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10060650 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060651 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060652 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060653 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060654 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060655 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060656 | <NME> SearchCommands.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Collections.Generic;
using Avalonia.Input;
using Avalonia.Threading;
using AvaloniaEdit.Editing;
namespace AvaloniaEdit.Search
{
/// <summary>
/// Search commands for AvalonEdit.
/// </summary>
public static class SearchCommands
{
/// <summary>
/// Finds the next occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindNext = new RoutedCommand(nameof(FindNext), new KeyGesture(Key.F3));
/// <summary>
/// Finds the previous occurrence in the file.
/// </summary>
public static readonly RoutedCommand FindPrevious = new RoutedCommand(nameof(FindPrevious), new KeyGesture(Key.F3, KeyModifiers.Shift));
/// <summary>
/// Closes the SearchPanel.
/// </summary>
public static readonly RoutedCommand CloseSearchPanel = new RoutedCommand(nameof(CloseSearchPanel), new KeyGesture(Key.Escape));
/// <summary>
/// Replaces the next occurrence in the document.
/// </summary>
public static readonly RoutedCommand ReplaceNext = new RoutedCommand(nameof(ReplaceNext), new KeyGesture(Key.R, KeyModifiers.Alt));
/// <summary>
/// Replaces all the occurrences in the document.
/// </summary>
public static readonly RoutedCommand ReplaceAll = new RoutedCommand(nameof(ReplaceAll), new KeyGesture(Key.A, KeyModifiers.Alt));
}
/// <summary>
/// TextAreaInputHandler that registers all search-related commands.
/// </summary>
internal class SearchInputHandler : TextAreaInputHandler
{
public SearchInputHandler(TextArea textArea, SearchPanel panel)
: base(textArea)
{
RegisterCommands(CommandBindings);
_panel = panel;
}
internal void RegisterGlobalCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
}
private void RegisterCommands(ICollection<RoutedCommandBinding> commandBindings)
{
commandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Find, ExecuteFind));
CommandBindings.Add(new RoutedCommandBinding(ApplicationCommands.Replace, ExecuteReplace));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindNext, ExecuteFindNext, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.FindPrevious, ExecuteFindPrevious, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceNext, ExecuteReplaceNext, CanExecuteWithOpenSearchPanel));
CommandBindings.Add(new RoutedCommandBinding(SearchCommands.ReplaceAll, ExecuteReplaceAll, CanExecuteWithOpenSearchPanel));
commandBindings.Add(new RoutedCommandBinding(SearchCommands.CloseSearchPanel, ExecuteCloseSearchPanel, CanExecuteWithOpenSearchPanel));
}
private readonly SearchPanel _panel;
private void ExecuteFind(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: false);
}
private void ExecuteReplace(object sender, ExecutedRoutedEventArgs e)
{
FindOrReplace(isReplaceMode: true);
}
private void FindOrReplace(bool isReplaceMode)
{
_panel.IsReplaceMode = isReplaceMode;
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
{
if (_panel.IsClosed)
{
e.CanExecute = false;
// Continue routing so that the key gesture can be consumed by another component.
//e.ContinueRouting = true;
}
else
{
e.CanExecute = true;
e.Handled = true;
}
}
private void ExecuteFindNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindNext();
e.Handled = true;
}
}
private void ExecuteFindPrevious(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.FindPrevious();
e.Handled = true;
}
}
private void ExecuteReplaceNext(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceNext();
e.Handled = true;
}
}
private void ExecuteReplaceAll(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.ReplaceAll();
e.Handled = true;
}
}
private void ExecuteCloseSearchPanel(object sender, ExecutedRoutedEventArgs e)
{
if (!_panel.IsClosed)
{
_panel.Close();
e.Handled = true;
}
}
/// <summary>
/// Fired when SearchOptions are modified inside the SearchPanel.
/// </summary>
public event EventHandler<SearchOptionsChangedEventArgs> SearchOptionsChanged
{
add => _panel.SearchOptionsChanged += value;
remove => _panel.SearchOptionsChanged -= value;
}
}
}
<MSG> fixes for latest avalonia.
<DFF> @@ -104,7 +104,7 @@ namespace AvaloniaEdit.Search
_panel.Open();
if (!(TextArea.Selection.IsEmpty || TextArea.Selection.IsMultiline))
_panel.SearchPattern = TextArea.Selection.GetText();
- Dispatcher.UIThread.InvokeAsync(_panel.Reactivate, DispatcherPriority.Input);
+ Dispatcher.UIThread.Post(_panel.Reactivate, DispatcherPriority.Input);
}
private void CanExecuteWithOpenSearchPanel(object sender, CanExecuteRoutedEventArgs e)
| 1 | fixes for latest avalonia. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060657 | <NME> readme.hogan
<BEF> # {{pkg.title}}
{{{partials.md.intro}}}
## License
Copyright (c) 2012 {{pkg.organization}}
Licensed under the MIT license.
## Credits and collaboration
The lead developer of {{pkg.title}} is [Wilson Page](http://github.com/wilsonpage) at FT Labs. All open source code released by FT Labs is licenced under the MIT licence. We welcome comments, feedback and suggestions. Please feel free to raise an issue or pull request.
<MSG> Fixed readme compilation
<DFF> @@ -1,6 +1,98 @@
# {{pkg.title}}
-{{{partials.md.intro}}}
+{{pkg.description}} Currently powering the award winning [FT Web App](http://apps.ft.com/ftwebapp/).
+
+FruitMachine was designed to construct nested view layouts from strictly modular components. We wanted it to be as light and unopinionated as possible so that it could be applied to almost any layout problem.
+
+```js
+// Define a module
+var Apple = fruitmachine.define({
+ module: 'apple',
+ template: function(){ return 'hello' }
+});
+
+// Create an instance
+var apple = new Apple();
+
+// Render & inject into DOM
+apple
+ .render()
+ .inject(document.body);
+
+apple.el.outerHTML;
+//=> <div class="apple">hello</div>
+```
+
+## Installation
+
+```
+$ npm install fruitmachine
+```
+
+or
+
+```
+$ bower install fruitmachine
+```
+
+or
+
+Download the [production version][min] (~3k gzipped) or the [development version][max].
+
+[min]: fruitmachine/raw/master/build/fruitmachine.min.js
+[max]: fruitmachine/raw/master/build/fruitmachine.js
+
+## Examples
+
+- [Article viewer](http://wilsonpage.github.io/fruitmachine/examples/1a/)
+- [TODO](http://wilsonpage.github.io/fruitmachine/examples/todo/)
+
+## Documentation
+
+- [Introduction](fruitmachine/blob/master/docs/introduction.md)
+- [Getting started](fruitmachine/blob/master/docs/getting-started.md)
+- [Defining modules](fruitmachine/blob/master/docs/view-defining-modules.md)
+- [Slots](fruitmachine/blob/master/docs/slots.md)
+- [View assembly](fruitmachine/blob/master/docs/view-assembly.md)
+- [Instantiation](fruitmachine/blob/master/docs/view-instantiation.md)
+- [Templates](fruitmachine/blob/master/docs/view-templates.md)
+- [Template markup](fruitmachine/blob/master/docs/view-template-markup.md)
+- [Rendering](fruitmachine/blob/master/docs/view-rendering.md)
+- [DOM injection](fruitmachine/blob/master/docs/view-injection.md)
+- [El](fruitmachine/blob/master/docs/view-el.md)
+- [Queries](fruitmachine/blob/master/docs/view-queries.md)
+- [Helpers](fruitmachine/blob/master/docs/view-helpers.md)
+- [Removing & destroying](fruitmachine/blob/master/docs/view-removing-and-destroying.md)
+- [Extending](fruitmachine/blob/master/docs/view-extending.md)
+
+## Tests
+
+#### With PhantomJS
+
+```
+$ npm install
+$ npm test
+```
+
+#### Without PhantomJS
+
+```
+$ node_modules/.bin/buster-static
+```
+
+Visit http://localhost:8282/ in browser
+
+## Author
+
+{{#pkg.author}}
+- **{{name}}** - [@{{github}}](http://github.com/{{github}})
+{{/pkg.author}}
+
+## Contributors
+
+{{#pkg.contributors}}
+- **{{name}}** - [@{{github}}](http://github.com/{{github}})
+{{/pkg.contributors}}
## License
Copyright (c) 2012 {{pkg.organization}}
| 93 | Fixed readme compilation | 1 | .hogan | hogan | mit | ftlabs/fruitmachine |
10060658 | <NME> module.module.js
<BEF>
describe('View#module()', function() {
var viewToTest;
beforeEach(function() {
var layout = new Layout({});
var apple = new Apple({ slot: 1 });
var orange = new Orange({ slot: 2 });
var pear = new Pear({ slot: 3 });
layout
.add(apple)
.add(orange)
.add(pear);
viewToTest = layout;
});
test("Should return module type if no arguments given", function() {
expect(viewToTest.module()).toBe('layout');
});
test("Should return the first child module with the specified type.", function() {
var child = viewToTest.module('pear');
expect(child).toBe(viewToTest.children[2]);
});
test("If there is more than one child of this module type, only the first is returned.", function() {
viewToTest
.add({ module: 'apple' });
var child = viewToTest.module('apple');
var firstChild = viewToTest.children[0];
var lastChild = viewToTest.children[viewToTest.children.length-1];
expect(child).toBe(firstChild);
expect(child).not.toEqual(lastChild);
});
assert.equals(henry.module(), 'henry');
assert.equals(henry.name, 'henry');
}
});
var pearInstance = viewToTest.module('pear');
expect(pearInstance.module()).toBe('pear');
expect(pearInstance.name).toBe('pear');
});
});
<MSG> Fix a bug where view.module(key) would not recurse when the key is the same as a
module that was previously an immediate child of that view.
Add a test for recursively looking up modules via #module.
<DFF> @@ -41,5 +41,22 @@ buster.testCase('View#module()', {
assert.equals(henry.module(), 'henry');
assert.equals(henry.name, 'henry');
+ },
+
+ "Should walk down the fruitmachine tree, recursively": function() {
+ var Elizabeth = fruitmachine.define({ name: 'elizabeth' });
+ var elizabeth = new Elizabeth();
+ this.view.module('apple').add(elizabeth);
+
+ var pear = this.view.module('pear').remove();
+ this.view.module('apple').add(pear);
+
+ var elizabethInstance = this.view.module('elizabeth');
+ assert.equals(elizabethInstance.module(), 'elizabeth');
+ assert.equals(elizabethInstance.name, 'elizabeth');
+
+ var pearInstance = this.view.module('pear');
+ assert.equals(pearInstance.module(), 'pear');
+ assert.equals(pearInstance.name, 'pear');
}
});
| 17 | Fix a bug where view.module(key) would not recurse when the key is the same as a module that was previously an immediate child of that view. Add a test for recursively looking up modules via #module. | 0 | .js | module | mit | ftlabs/fruitmachine |
10060659 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060660 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060661 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060662 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060663 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060664 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060665 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060666 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060667 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060668 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060669 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060670 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060671 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060672 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060673 | <NME> text.html.derivative
<BEF> <!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
<MSG> Added some javascript to html files to check embedded languages
<DFF> @@ -1,12 +1,20 @@
<!DOCTYPE html>
-<html>
-<head>
-<title>Page Title</title>
-</head>
-<body>
+ <html>
+ <head>
+ <title>Page Title</title>
+ </head>
+ <body>
+ <h1>My First Heading</h1>
+ <p>My first paragraph.</p>
+ <script type="text/javascript">
+ function doSomething() {
+ // some javascript comment here
+ alert('@Datetime.ToString()');
+ }
-<h1>My First Heading</h1>
-<p>My first paragraph.</p>
-
-</body>
+ function myFunction() {
+ document.getElementById("demo").innerHTML = "Paragraph changed.";
+ }
+ </script>
+ </body>
</html>
\ No newline at end of file
| 17 | Added some javascript to html files to check embedded languages | 9 | .derivative | Demo/Resources/SampleFiles/text | mit | AvaloniaUI/AvaloniaEdit |
10060674 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060675 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060676 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060677 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060678 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060679 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060680 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060681 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060682 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060683 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060684 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060685 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060686 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060687 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060688 | <NME> TextTransformation.cs
<BEF> using System;
using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
using TextMateSharp.Model;
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
{
public abstract void Transform(GenericLineTransformer transformer, DocumentLine line);
}
public class ForegroundTextTransformation : TextTransformation
{
public interface IColorMap
{
AM.IBrush GetBrush(int color);
}
public IColorMap ColorMap { get; set; }
public Action<Exception> ExceptionHandler { get; set; }
public int ForegroundColor { get; set; }
IBrush GetBrush(int color);
}
int _foreground;
int _background;
int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
int startOffset,
int endOffset,
int foreground,
if (StartOffset > line.Offset)
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
}
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
if (Length == 0)
{
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
if (StartOffset > line.Offset)
{
formattedOffset = StartOffset - line.Offset;
}
if (EndOffset < line.EndOffset)
{
endOffset = EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
FontStyle GetFontStyle()
return false;
}
}
}
return false;
}
IColorMap _colorMap;
}
}
<MSG> Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions
Try/catch exceptions for override methods and events
<DFF> @@ -1,12 +1,9 @@
using System;
-using System.Collections.Generic;
using Avalonia.Media;
using AvaloniaEdit.Document;
-using TextMateSharp.Model;
-
namespace AvaloniaEdit.TextMate
{
public abstract class TextTransformation : TextSegment
@@ -27,12 +24,15 @@ namespace AvaloniaEdit.TextMate
IBrush GetBrush(int color);
}
- int _foreground;
- int _background;
- int _fontStyle;
+ private IColorMap _colorMap;
+ private Action<Exception> _exceptionHandler;
+ private int _foreground;
+ private int _background;
+ private int _fontStyle;
public ForegroundTextTransformation(
IColorMap colorMap,
+ Action<Exception> exceptionHandler,
int startOffset,
int endOffset,
int foreground,
@@ -40,6 +40,7 @@ namespace AvaloniaEdit.TextMate
int fontStyle) : base(startOffset, endOffset)
{
_colorMap = colorMap;
+ _exceptionHandler = exceptionHandler;
_foreground = foreground;
_background = background;
_fontStyle = fontStyle;
@@ -47,23 +48,25 @@ namespace AvaloniaEdit.TextMate
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
- if (Length == 0)
+ try
{
- return;
- }
+ if (Length == 0)
+ {
+ return;
+ }
- var formattedOffset = 0;
- var endOffset = line.EndOffset;
+ var formattedOffset = 0;
+ var endOffset = line.EndOffset;
- if (StartOffset > line.Offset)
- {
- formattedOffset = StartOffset - line.Offset;
- }
+ if (StartOffset > line.Offset)
+ {
+ formattedOffset = StartOffset - line.Offset;
+ }
- if (EndOffset < line.EndOffset)
- {
- endOffset = EndOffset;
- }
+ if (EndOffset < line.EndOffset)
+ {
+ endOffset = EndOffset;
+ }
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
_colorMap.GetBrush(_foreground),
@@ -71,6 +74,11 @@ namespace AvaloniaEdit.TextMate
GetFontStyle(),
GetFontWeight(),
IsUnderline());
+ }
+ catch(Exception ex)
+ {
+ _exceptionHandler?.Invoke(ex);
+ }
}
FontStyle GetFontStyle()
@@ -99,7 +107,5 @@ namespace AvaloniaEdit.TextMate
return false;
}
-
- IColorMap _colorMap;
}
}
\ No newline at end of file
| 27 | Merge pull request #213 from AvaloniaUI/protect-transformer-exceptions | 21 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060689 | <NME> README.md
<BEF> # LoadJS
<img src="https://www.muicss.com/static/images/loadjs.svg" width="250px">
LoadJS is a tiny async loader for modern browsers (899 bytes).
[](https://david-dm.org/muicss/loadjs)
[](https://david-dm.org/muicss/loadjs?type=dev)
[](https://cdnjs.com/libraries/loadjs)
## Introduction
LoadJS is a tiny async loading library for modern browsers (IE9+). It has a simple but powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met. The recommended way to use LoadJS is to include the minified source code in your <html> and then use the `loadjs` global to manage JavaScript dependencies after pageload.
LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers.
## Browser Support
```html
<script src="//unpkg.com/loadjs@latest/dist/loadjs.min.js"></script>
<script>
// define a dependency bundle and execute code when it loads
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
</script>
```
You can also use more advanced syntax for more options:
```html
<script src="//unpkg.com/loadjs@latest/dist/loadjs.min.js"></script>
<script>
// define a dependency bundle with advanced options
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
before: function(path, scriptEl) { /* execute code before fetch */ },
async: true, // load files synchronously or asynchronously (default: true)
numRetries: 3 // see caveats about using numRetries with async:false (default: 0),
returnPromise: false // return Promise object (default: false)
});
loadjs.ready('foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(depsNotFound) { /* foobar bundle load failed */ },
});
</script>
```
The latest version of LoadJS can be found in the `dist/` directory in this repository:
* [https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.js](https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.js) (for development)
* [https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.min.js](https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.min.js) (for production)
It's also available from these public CDNs:
* UNPKG
* [https://unpkg.com/[email protected]/dist/loadjs.js](https://unpkg.com/[email protected]/dist/loadjs.js) (for development)
* [https://unpkg.com/[email protected]/dist/loadjs.min.js](https://unpkg.com/[email protected]/dist/loadjs.min.js) (for production)
* CDNJS
* [https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.js](https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.js) (for development)
* [https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.min.js](https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.min.js) (for production)
You can also use it as a CJS or AMD module:
```bash
$ npm install --save loadjs
```
```javascript
var loadjs = require('loadjs');
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
```
## Browser Support
* IE9+ (`async: false` support only works in IE10+)
* Opera 12+
* Safari 5+
* Chrome
* Firefox
* iOS 6+
* Android 4.4+
LoadJS also detects script load failures from AdBlock Plus and Ghostery in:
* Safari
* Chrome
Note: LoadJS treats empty CSS files as load failures in IE9-11 and uses `rel="preload"` to load CSS files in Edge (to get around lack of support for onerror events on `<link rel="stylesheet">` tags)
## Documentation
1. Load a single file
```javascript
loadjs('/path/to/foo.js', function() {
/* foo.js loaded */
});
```
1. Fetch files in parallel and load them asynchronously
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], function() {
/* foo.js and bar.js loaded */
});
```
1. Fetch JavaScript, CSS and image files
```javascript
loadjs(['/path/to/foo.css', '/path/to/bar.png', 'path/to/thunk.js'], function() {
/* foo.css, bar.png and thunk.js loaded */
});
```
1. Force treat file as CSS stylesheet
```javascript
loadjs(['css!/path/to/cssfile.custom'], function() {
/* cssfile.custom loaded as stylesheet */
});
```
1. Force treat file as image
```javascript
loadjs(['img!/path/to/image.custom'], function() {
/* image.custom loaded */
});
```
1. Add a bundle id
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', function() {
/* foo.js & bar.js loaded */
});
```
1. Use .ready() to define bundles and callbacks separately
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
```
1. Use multiple bundles in .ready() dependency lists
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs(['/path/to/bar1.js', '/path/to/bar2.js'], 'bar');
loadjs.ready(['foo', 'bar'], function() {
/* foo.js & bar1.js & bar2.js loaded */
});
```
1. Chain .ready() together
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs('/path/to/bar.js', 'bar');
loadjs
.ready('foo', function() {
/* foo.js loaded */
})
.ready('bar', function() {
/* bar.js loaded */
});
```
1. Use Promises to register callbacks
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {returnPromise: true})
.then(function() { /* foo.js & bar.js loaded */ })
.catch(function(pathsNotFound) { /* at least one didn't load */ });
```
1. Check if bundle has already been defined
```javascript
if (!loadjs.isDefined('foobar')) {
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', function() {
/* foo.js & bar.js loaded */
});
}
```
1. Fetch files in parallel and load them in series
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {
success: function() { /* foo.js and bar.js loaded in series */ },
async: false
});
```
1. Add an error callback
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(pathsNotFound) { /* at least one path didn't load */ }
});
```
1. Retry files before calling the error callback
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(pathsNotFound) { /* at least one path didn't load */ },
numRetries: 3
});
// NOTE: Using `numRetries` with `async: false` can cause files to load out-of-sync on retries
```
1. Execute a callback before script tags are embedded
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {
success: function() {},
error: function(pathsNotFound) {},
before: function(path, scriptEl) {
/* called for each script node before being embedded */
if (path === '/path/to/foo.js') scriptEl.crossOrigin = true;
}
});
```
1. Bypass LoadJS default DOM insertion mechanism (DOM `<head>`)
```javascript
loadjs(['/path/to/foo.js'], {
success: function() {},
error: function(pathsNotFound) {},
before: function(path, scriptEl) {
document.body.appendChild(scriptEl);
/* return `false` to bypass default DOM insertion mechanism */
return false;
}
});
```
1. Use bundle ids in error callback
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs('/path/to/bar.js', 'bar');
loadjs(['/path/to/thunkor.js', '/path/to/thunky.js'], 'thunk');
// wait for multiple depdendencies
loadjs.ready(['foo', 'bar', 'thunk'], {
success: function() {
// foo.js & bar.js & thunkor.js & thunky.js loaded
},
error: function(depsNotFound) {
if (depsNotFound.indexOf('foo') > -1) {}; // foo failed
if (depsNotFound.indexOf('bar') > -1) {}; // bar failed
if (depsNotFound.indexOf('thunk') > -1) {}; // thunk failed
}
});
```
1. Use .done() for more control
```javascript
loadjs.ready(['dependency1', 'dependency2'], function() {
/* run code after dependencies have been met */
});
function fn1() {
loadjs.done('dependency1');
}
function fn2() {
loadjs.done('dependency2');
}
```
1. Reset dependency trackers
```javascript
loadjs.reset();
```
1. Implement a require-like dependency manager
```javascript
var bundles = {
'bundleA': ['/file1.js', '/file2.js'],
'bundleB': ['/file3.js', '/file4.js']
};
function require(bundleIds, callbackFn) {
bundleIds.forEach(function(bundleId) {
if (!loadjs.isDefined(bundleId)) loadjs(bundles[bundleId], bundleId);
});
loadjs.ready(bundleIds, callbackFn);
}
require(['bundleA'], function() { /* bundleA loaded */ });
require(['bundleB'], function() { /* bundleB loaded */ });
require(['bundleA', 'bundleB'], function() { /* bundleA and bundleB loaded */ });
```
## Directory structure
<pre>
loadjs/
├── dist
│ ├── loadjs.js
│ ├── loadjs.min.js
│ └── loadjs.umd.js
├── examples
├── gulpfile.js
├── LICENSE.txt
├── package.json
├── README.md
├── src
│ └── loadjs.js
├── test
└── umd-templates
</pre>
## Development Quickstart
1. Install dependencies
* [nodejs](http://nodejs.org/)
* [npm](https://www.npmjs.org/)
* http-server (via npm)
1. Clone repository
```bash
$ git clone [email protected]:muicss/loadjs.git
$ cd loadjs
```
1. Install node dependencies using npm
```bash
$ npm install
```
1. Build examples
```bash
$ npm run build-examples
```
To view the examples you can use any static file server. To use the `nodejs` http-server module:
```bash
$ npm install http-server
$ npm run http-server -- -p 3000
```
Then visit [http://localhost:3000/examples](http://localhost:3000/examples)
1. Build distribution files
```bash
$ npm run build-dist
```
The files will be located in the `dist` directory.
1. Run tests
To run the browser tests first build the `loadjs` library:
```bash
$ npm run build-tests
```
Then visit [http://localhost:3000/test](http://localhost:3000/test)
1. Build all files
```bash
$ npm run build-all
```
<MSG> Update README.md
<DFF> @@ -12,7 +12,7 @@ LoadJS is a tiny async loader for modern browsers (590 bytes).
LoadJS is a tiny async loading library for modern browsers (IE9+). It has a simple but powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met. The recommended way to use LoadJS is to include the minified source code in your <html> and then use the `loadjs` global to manage JavaScript dependencies after pageload.
-LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers.
+LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers. Currently, LoadJS is 590 bytes (minified + gzipped).
## Browser Support
| 1 | Update README.md | 1 | .md | md | mit | muicss/loadjs |
10060690 | <NME> README.md
<BEF> # LoadJS
<img src="https://www.muicss.com/static/images/loadjs.svg" width="250px">
LoadJS is a tiny async loader for modern browsers (899 bytes).
[](https://david-dm.org/muicss/loadjs)
[](https://david-dm.org/muicss/loadjs?type=dev)
[](https://cdnjs.com/libraries/loadjs)
## Introduction
LoadJS is a tiny async loading library for modern browsers (IE9+). It has a simple but powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met. The recommended way to use LoadJS is to include the minified source code in your <html> and then use the `loadjs` global to manage JavaScript dependencies after pageload.
LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers.
## Browser Support
```html
<script src="//unpkg.com/loadjs@latest/dist/loadjs.min.js"></script>
<script>
// define a dependency bundle and execute code when it loads
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
</script>
```
You can also use more advanced syntax for more options:
```html
<script src="//unpkg.com/loadjs@latest/dist/loadjs.min.js"></script>
<script>
// define a dependency bundle with advanced options
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
before: function(path, scriptEl) { /* execute code before fetch */ },
async: true, // load files synchronously or asynchronously (default: true)
numRetries: 3 // see caveats about using numRetries with async:false (default: 0),
returnPromise: false // return Promise object (default: false)
});
loadjs.ready('foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(depsNotFound) { /* foobar bundle load failed */ },
});
</script>
```
The latest version of LoadJS can be found in the `dist/` directory in this repository:
* [https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.js](https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.js) (for development)
* [https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.min.js](https://cdn.rawgit.com/muicss/loadjs/4.2.0/dist/loadjs.min.js) (for production)
It's also available from these public CDNs:
* UNPKG
* [https://unpkg.com/[email protected]/dist/loadjs.js](https://unpkg.com/[email protected]/dist/loadjs.js) (for development)
* [https://unpkg.com/[email protected]/dist/loadjs.min.js](https://unpkg.com/[email protected]/dist/loadjs.min.js) (for production)
* CDNJS
* [https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.js](https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.js) (for development)
* [https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.min.js](https://cdnjs.cloudflare.com/ajax/libs/loadjs/4.2.0/loadjs.min.js) (for production)
You can also use it as a CJS or AMD module:
```bash
$ npm install --save loadjs
```
```javascript
var loadjs = require('loadjs');
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
```
## Browser Support
* IE9+ (`async: false` support only works in IE10+)
* Opera 12+
* Safari 5+
* Chrome
* Firefox
* iOS 6+
* Android 4.4+
LoadJS also detects script load failures from AdBlock Plus and Ghostery in:
* Safari
* Chrome
Note: LoadJS treats empty CSS files as load failures in IE9-11 and uses `rel="preload"` to load CSS files in Edge (to get around lack of support for onerror events on `<link rel="stylesheet">` tags)
## Documentation
1. Load a single file
```javascript
loadjs('/path/to/foo.js', function() {
/* foo.js loaded */
});
```
1. Fetch files in parallel and load them asynchronously
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], function() {
/* foo.js and bar.js loaded */
});
```
1. Fetch JavaScript, CSS and image files
```javascript
loadjs(['/path/to/foo.css', '/path/to/bar.png', 'path/to/thunk.js'], function() {
/* foo.css, bar.png and thunk.js loaded */
});
```
1. Force treat file as CSS stylesheet
```javascript
loadjs(['css!/path/to/cssfile.custom'], function() {
/* cssfile.custom loaded as stylesheet */
});
```
1. Force treat file as image
```javascript
loadjs(['img!/path/to/image.custom'], function() {
/* image.custom loaded */
});
```
1. Add a bundle id
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', function() {
/* foo.js & bar.js loaded */
});
```
1. Use .ready() to define bundles and callbacks separately
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar');
loadjs.ready('foobar', function() {
/* foo.js & bar.js loaded */
});
```
1. Use multiple bundles in .ready() dependency lists
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs(['/path/to/bar1.js', '/path/to/bar2.js'], 'bar');
loadjs.ready(['foo', 'bar'], function() {
/* foo.js & bar1.js & bar2.js loaded */
});
```
1. Chain .ready() together
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs('/path/to/bar.js', 'bar');
loadjs
.ready('foo', function() {
/* foo.js loaded */
})
.ready('bar', function() {
/* bar.js loaded */
});
```
1. Use Promises to register callbacks
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {returnPromise: true})
.then(function() { /* foo.js & bar.js loaded */ })
.catch(function(pathsNotFound) { /* at least one didn't load */ });
```
1. Check if bundle has already been defined
```javascript
if (!loadjs.isDefined('foobar')) {
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', function() {
/* foo.js & bar.js loaded */
});
}
```
1. Fetch files in parallel and load them in series
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {
success: function() { /* foo.js and bar.js loaded in series */ },
async: false
});
```
1. Add an error callback
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(pathsNotFound) { /* at least one path didn't load */ }
});
```
1. Retry files before calling the error callback
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], 'foobar', {
success: function() { /* foo.js & bar.js loaded */ },
error: function(pathsNotFound) { /* at least one path didn't load */ },
numRetries: 3
});
// NOTE: Using `numRetries` with `async: false` can cause files to load out-of-sync on retries
```
1. Execute a callback before script tags are embedded
```javascript
loadjs(['/path/to/foo.js', '/path/to/bar.js'], {
success: function() {},
error: function(pathsNotFound) {},
before: function(path, scriptEl) {
/* called for each script node before being embedded */
if (path === '/path/to/foo.js') scriptEl.crossOrigin = true;
}
});
```
1. Bypass LoadJS default DOM insertion mechanism (DOM `<head>`)
```javascript
loadjs(['/path/to/foo.js'], {
success: function() {},
error: function(pathsNotFound) {},
before: function(path, scriptEl) {
document.body.appendChild(scriptEl);
/* return `false` to bypass default DOM insertion mechanism */
return false;
}
});
```
1. Use bundle ids in error callback
```javascript
loadjs('/path/to/foo.js', 'foo');
loadjs('/path/to/bar.js', 'bar');
loadjs(['/path/to/thunkor.js', '/path/to/thunky.js'], 'thunk');
// wait for multiple depdendencies
loadjs.ready(['foo', 'bar', 'thunk'], {
success: function() {
// foo.js & bar.js & thunkor.js & thunky.js loaded
},
error: function(depsNotFound) {
if (depsNotFound.indexOf('foo') > -1) {}; // foo failed
if (depsNotFound.indexOf('bar') > -1) {}; // bar failed
if (depsNotFound.indexOf('thunk') > -1) {}; // thunk failed
}
});
```
1. Use .done() for more control
```javascript
loadjs.ready(['dependency1', 'dependency2'], function() {
/* run code after dependencies have been met */
});
function fn1() {
loadjs.done('dependency1');
}
function fn2() {
loadjs.done('dependency2');
}
```
1. Reset dependency trackers
```javascript
loadjs.reset();
```
1. Implement a require-like dependency manager
```javascript
var bundles = {
'bundleA': ['/file1.js', '/file2.js'],
'bundleB': ['/file3.js', '/file4.js']
};
function require(bundleIds, callbackFn) {
bundleIds.forEach(function(bundleId) {
if (!loadjs.isDefined(bundleId)) loadjs(bundles[bundleId], bundleId);
});
loadjs.ready(bundleIds, callbackFn);
}
require(['bundleA'], function() { /* bundleA loaded */ });
require(['bundleB'], function() { /* bundleB loaded */ });
require(['bundleA', 'bundleB'], function() { /* bundleA and bundleB loaded */ });
```
## Directory structure
<pre>
loadjs/
├── dist
│ ├── loadjs.js
│ ├── loadjs.min.js
│ └── loadjs.umd.js
├── examples
├── gulpfile.js
├── LICENSE.txt
├── package.json
├── README.md
├── src
│ └── loadjs.js
├── test
└── umd-templates
</pre>
## Development Quickstart
1. Install dependencies
* [nodejs](http://nodejs.org/)
* [npm](https://www.npmjs.org/)
* http-server (via npm)
1. Clone repository
```bash
$ git clone [email protected]:muicss/loadjs.git
$ cd loadjs
```
1. Install node dependencies using npm
```bash
$ npm install
```
1. Build examples
```bash
$ npm run build-examples
```
To view the examples you can use any static file server. To use the `nodejs` http-server module:
```bash
$ npm install http-server
$ npm run http-server -- -p 3000
```
Then visit [http://localhost:3000/examples](http://localhost:3000/examples)
1. Build distribution files
```bash
$ npm run build-dist
```
The files will be located in the `dist` directory.
1. Run tests
To run the browser tests first build the `loadjs` library:
```bash
$ npm run build-tests
```
Then visit [http://localhost:3000/test](http://localhost:3000/test)
1. Build all files
```bash
$ npm run build-all
```
<MSG> Update README.md
<DFF> @@ -12,7 +12,7 @@ LoadJS is a tiny async loader for modern browsers (590 bytes).
LoadJS is a tiny async loading library for modern browsers (IE9+). It has a simple but powerful dependency management system that lets you fetch files in parallel and execute code after the dependencies have been met. The recommended way to use LoadJS is to include the minified source code in your <html> and then use the `loadjs` global to manage JavaScript dependencies after pageload.
-LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers.
+LoadJS is based on the excellent <a href="https://github.com/ded/script.js">$script</a> library by <a href="https://github.com/ded">Dustin Diaz</a>. We kept the behavior of the library the same but we re-wrote the code from scratch to add support for error callbacks and to optimize the library for modern browsers. Currently, LoadJS is 590 bytes (minified + gzipped).
## Browser Support
| 1 | Update README.md | 1 | .md | md | mit | muicss/loadjs |
10060691 | <NME> view.toJSON.js
<BEF> ADDFILE
<MSG> Improved test coverage
<DFF> @@ -0,0 +1,32 @@
+
+buster.testCase('View#toJSON()', {
+
+ "Should return an fmid": function() {
+ var apple = new Apple();
+ var json = apple.toJSON();
+
+ assert(json.fmid);
+ },
+
+ "Should fire `tojson` event": function() {
+ var apple = new Apple();
+ var spy = this.spy();
+
+ apple.on('tojson', spy);
+ apple.toJSON();
+
+ assert(spy.called);
+ },
+
+ "Should be able to manipulate json output via `tojson` event": function() {
+ var apple = new Apple();
+
+ apple.on('tojson', function(json) {
+ json.test = 'data';
+ });
+
+ var json = apple.toJSON();
+
+ assert.equals(json.test, 'data');
+ }
+});
\ No newline at end of file
| 32 | Improved test coverage | 0 | .js | toJSON | mit | ftlabs/fruitmachine |
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10060693 | <NME> AvaloniaEdit.csproj
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10060695 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060699 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060700 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060701 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060702 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060703 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060704 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060705 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060706 | <NME> AvaloniaEdit.csproj
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<MSG> fix ci builds by updating avalonia.
<DFF> @@ -31,7 +31,7 @@
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| 1 | fix ci builds by updating avalonia. | 1 | .csproj | csproj | mit | AvaloniaUI/AvaloniaEdit |
10060707 | <NME> README.md <BEF> # jsGrid Lightweight Grid jQuery Plugin [](https://travis-ci.org/tabalinas/jsgrid) Project site [js-grid.com](http://js-grid.com/) **jsGrid** is a lightweight client-side data grid control based on jQuery. It supports basic grid operations like inserting, filtering, editing, deleting, paging, sorting, and validating. jsGrid is tunable and allows to customize appearance and components.  ## Table of contents * [Demos](#demos) * [Installation](#installation) * [Basic Usage](#basic-usage) * [Configuration](#configuration) * [Grid Fields](#grid-fields) * [Methods](#methods) * [Callbacks](#callbacks) * [Grid Controller](#grid-controller) * [Validation](#validation) * [Localization](#localization) * [Sorting Strategies](#sorting-strategies) * [Load Strategies](#load-strategies) * [Load Indication](#load-indication) * [Requirement](#requirement) * [Compatibility](#compatibility) ## Demos See [Demos](http://js-grid.com/demos/) on project site. Sample projects showing how to use jsGrid with the most popular backend technologies * **PHP** - https://github.com/tabalinas/jsgrid-php * **ASP.NET WebAPI** - https://github.com/tabalinas/jsgrid-webapi * **Express (NodeJS)** - https://github.com/tabalinas/jsgrid-express * **Ruby on Rail** - https://github.com/tabalinas/jsgrid-rails * **Django (Python)** - https://github.com/tabalinas/jsgrid-django ## Installation Install jsgrid with bower: ```bash $ bower install js-grid --save ``` Find jsGrid cdn links [here](https://cdnjs.com/libraries/jsgrid). ## Basic Usage Ensure that jQuery library of version 1.8.3 or later is included. Include `jsgrid.min.js`, `jsgrid-theme.min.css`, and `jsgrid.min.css` files into the web page. Create grid applying jQuery plugin `jsGrid` with grid config as follows: ```javascript $("#jsGrid").jsGrid({ width: "100%", height: "400px", filtering: true, editing: true, sorting: true, paging: true, data: db.clients, fields: [ { name: "Name", type: "text", width: 150 }, { name: "Age", type: "number", width: 50 }, { name: "Address", type: "text", width: 200 }, { name: "Country", type: "select", items: db.countries, valueField: "Id", textField: "Name" }, { name: "Married", type: "checkbox", title: "Is Married", sorting: false }, { type: "control" } ] }); ``` ## Configuration The config object may contain following options (default values are specified below): ```javascript { fields: [], data: [], autoload: false, controller: { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop }, width: "auto", height: "auto", heading: true, filtering: false, inserting: false, editing: false, selecting: true, sorting: false, paging: false, pageLoading: false, insertRowLocation: "bottom", rowClass: function(item, itemIndex) { ... }, rowClick: function(args) { ... }, rowDoubleClick: function(args) { ... }, noDataContent: "Not found", confirmDeleting: true, deleteConfirm: "Are you sure?", pagerContainer: null, pageIndex: 1, pageSize: 20, pageButtonCount: 15, pagerFormat: "Pages: {first} {prev} {pages} {next} {last} {pageIndex} of {pageCount}", pagePrevText: "Prev", pageNextText: "Next", pageFirstText: "First", pageLastText: "Last", pageNavigatorNextText: "...", pageNavigatorPrevText: "...", invalidNotify: function(args) { ... } invalidMessage: "Invalid data entered!", loadIndication: true, loadIndicationDelay: 500, loadMessage: "Please, wait...", loadShading: true, loadIndicator: function(config) { ... } loadStrategy: function(config) { ... } updateOnResize: true, rowRenderer: null, headerRowRenderer: null, filterRowRenderer: null, insertRowRenderer: null, editRowRenderer: null, pagerRenderer: null } ``` ### fields An array of fields (columns) of the grid. Each field has general options and specific options depending on field type. General options peculiar to all field types: ```javascript { type: "", name: "", title: "", align: "", width: 100, visible: true, css: "", headercss: "", filtercss: "", insertcss: "", editcss: "", filtering: true, inserting: true, editing: true, sorting: true, sorter: "string", headerTemplate: function() { ... }, itemTemplate: function(value, item) { ... }, filterTemplate: function() { ... }, insertTemplate: function() { ... }, editTemplate: function(value, item) { ... }, filterValue: function() { ... }, insertValue: function() { ... }, editValue: function() { ... }, cellRenderer: null, validate: null } ``` - **type** is a string key of field (`"text"|"number"|"checkbox"|"select"|"textarea"|"control"`) in fields registry `jsGrid.fields` (the registry can be easily extended with custom field types). - **name** is a property of data item associated with the column. - **title** is a text to be displayed in the header of the column. If `title` is not specified, the `name` will be used instead. - **align** is alignment of text in the cell. Accepts following values `"left"|"center"|"right"`. - **width** is a width of the column. - **visible** is a boolean specifying whether to show a column or not. (version added: 1.3) - **css** is a string representing css classes to be attached to the table cell. - **headercss** is a string representing css classes to be attached to the table header cell. If not specified, then **css** is attached instead. - **filtercss** is a string representing css classes to be attached to the table filter row cell. If not specified, then **css** is attached instead. - **insertcss** is a string representing css classes to be attached to the table insert row cell. If not specified, then **css** is attached instead. - **editcss** is a string representing css classes to be attached to the table edit row cell. If not specified, then **css** is attached instead. - **filtering** is a boolean specifying whether or not column has filtering (`filterTemplate()` is rendered and `filterValue()` is included in load filter object). - **inserting** is a boolean specifying whether or not column has inserting (`insertTemplate()` is rendered and `insertValue()` is included in inserting item). - **editing** is a boolean specifying whether or not column has editing (`editTemplate()` is rendered and `editValue()` is included in editing item). - **sorting** is a boolean specifying whether or not column has sorting ability. - **sorter** is a string or a function specifying how to sort item by the field. The string is a key of sorting strategy in the registry `jsGrid.sortStrategies` (the registry can be easily extended with custom sorting functions). Sorting function has the signature `function(value1, value2) { return -1|0|1; }`. - **headerTemplate** is a function to create column header content. It should return markup as string, DomNode or jQueryElement. - **itemTemplate** is a function to create cell content. It should return markup as string, DomNode or jQueryElement. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. - **filterTemplate** is a function to create filter row cell content. It should return markup as string, DomNode or jQueryElement. - **insertTemplate** is a function to create insert row cell content. It should return markup as string, DomNode or jQueryElement. - **editTemplate** is a function to create cell content of editing row. It should return markup as string, DomNode or jQueryElement. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. - **filterValue** is a function returning the value of filter property associated with the column. - **insertValue** is a function returning the value of inserting item property associated with the column. - **editValue** is a function returning the value of editing item property associated with the column. - **cellRenderer** is a function to customize cell rendering. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. The function should return markup as a string, jQueryElement or DomNode representing table cell `td`. - **validate** is a string as validate rule name or validation function or a validation configuration object or an array of validation configuration objects. Read more details about validation in the [Validation section](#validation). Specific field options depends on concrete field type. Read about build-in fields in [Grid Fields](#grid-fields) section. ### data An array of items to be displayed in the grid. The option should be used to provide static data. Use the `controller` option to provide non static data. ### autoload (default `false`) A boolean value specifying whether `controller.loadData` will be called when grid is rendered. ### controller An object or function returning an object with the following structure: ```javascript { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop } ``` - **loadData** is a function returning an array of data or jQuery promise that will be resolved with an array of data (when `pageLoading` is `true` instead of object the structure `{ data: [items], itemsCount: [total items count] }` should be returned). Accepts filter parameter including current filter options and paging parameters when `pageLoading` is `true`. - **insertItem** is a function returning inserted item or jQuery promise that will be resolved with inserted item. Accepts inserting item object. - **updateItem** is a function returning updated item or jQuery promise that will be resolved with updated item. Accepts updating item object. - **deleteItem** is a function deleting item. Returns jQuery promise that will be resolved when deletion is completed. Accepts deleting item object. Read more about controller interface in [Grid Controller](#grid-controller) section. ### width (default: `"auto"`) Specifies the overall width of the grid. Accepts all value types accepting by `jQuery.width`. ### height (default: `"auto"`) Specifies the overall height of the grid including the pager. Accepts all value types accepting by `jQuery.height`. ### heading (default: `true`) A boolean value specifies whether to show grid header or not. ### filtering (default: `false`) A boolean value specifies whether to show filter row or not. ### inserting (default: `false`) A boolean value specifies whether to show inserting row or not. ### editing (default: `false`) A boolean value specifies whether editing is allowed. ### selecting (default: `true`) A boolean value specifies whether to highlight grid rows on hover. ### sorting (default: `false`) A boolean value specifies whether sorting is allowed. ### paging (default: `false`) A boolean value specifies whether data is displayed by pages. ### pageLoading (default: `false`) A boolean value specifies whether to load data by page. When `pageLoading` is `true` the `loadData` method of controller accepts `filter` parameter with two additional properties `pageSize` and `pageIndex`. ### insertRowLocation (default: `"bottom"`) Specifies the location of an inserted row within the grid. When `insertRowLocation` is `"bottom"` the new row will appear at the bottom of the grid. When set to `"top"`, the new row will appear at the top. ### rowClass A string or a function specifying row css classes. A string contains classes separated with spaces. A function has signature `function(item, itemIndex)`. It accepts the data item and index of the item. It should returns a string containing classes separated with spaces. ### rowClick A function handling row click. Accepts single argument with following structure: ```javascript { item // data item itemIndex // data item index event // jQuery event } ``` By default `rowClick` performs row editing when `editing` is `true`. ### rowDoubleClick A function handling row double click. Accepts single argument with the following structure: ```javascript { item // data item itemIndex // data item index event // jQuery event } ``` ### noDataContent (default `"Not found"`) A string or a function returning a markup, jQueryElement or DomNode specifying the content to be displayed when `data` is an empty array. ### confirmDeleting (default `true`) A boolean value specifying whether to ask user to confirm item deletion. ### deleteConfirm (default `"Are you sure?"`) A string or a function returning string specifying delete confirmation message to be displayed to the user. A function has the signature `function(item)` and accepts item to be deleted. ### pagerContainer (default `null`) A jQueryElement or DomNode to specify where to render a pager. Used for external pager rendering. When it is equal to `null`, the pager is rendered at the bottom of the grid. ### pageIndex (default `1`) An integer value specifying current page index. Applied only when `paging` is `true`. ### pageSize (default `20`) An integer value specifying the amount of items on the page. Applied only when `paging` is `true`. ### pageButtonCount (default `15`) An integer value specifying the maximum amount of page buttons to be displayed in the pager. ### pagerFormat A string specifying pager format. The default value is `"Pages: {first} {prev} {pages} {next} {last} {pageIndex} of {pageCount}"` There are placeholders that can be used in the format: ```javascript {first} // link to first page {prev} // link to previous page {pages} // page links {next} // link to next page {last} // link to last page {pageIndex} // current page index {pageCount} // total amount of pages {itemCount} // total amount of items ``` ### pageNextText (default `"Next"`) A string specifying the text of the link to the next page. ### pagePrevText (default `"Prev"`) A string specifying the text of the link to the previous page. ### pageFirstText (default `"First"`) A string specifying the text of the link to the first page. ### pageLastText (default `"Last"`) A string specifying the text of the link to the last page. ### pageNavigatorNextText (default `"..."`) A string specifying the text of the link to move to next set of page links, when total amount of pages more than `pageButtonCount`. ### pageNavigatorPrevText (default `"..."`) A string specifying the text of the link to move to previous set of page links, when total amount of pages more than `pageButtonCount`. ### invalidMessage (default `"Invalid data entered!"`) A string specifying the text of the alert message, when invalid data was entered. ### invalidNotify A function triggered, when invalid data was entered. By default all violated validators messages are alerted. The behavior can be customized by providing custom function. The function accepts a single argument with the following structure: ```javascript { item // inserting/editing item itemIndex // inserting/editing item index errors // array of validation violations in format { field: "fieldName", message: "validator message" } } ``` In the following example error messages are printed in the console instead of alerting: ```javascript $("#grid").jsGrid({ ... invalidNotify: function(args) { var messages = $.map(args.errors, function(error) { return error.field + ": " + error.message; }); console.log(messages); } ... }); ``` ### loadIndication (default `true`) A boolean value specifying whether to show loading indication during controller operations execution. ### loadIndicationDelay (default `500`) An integer value specifying the delay in ms before showing load indication. Applied only when `loadIndication` is `true`. ### loadMessage (default `"Please, wait..."`) A string specifying the text of loading indication panel. Applied only when `loadIndication` is `true`. ### loadShading (default `true`) A boolean value specifying whether to show overlay (shader) over grid content during loading indication. Applied only when `loadIndication` is `true`. ### loadIndicator An object or a function returning an object representing grid load indicator. Load indicator could be any js object supporting two methods `show` and `hide`. `show` is called on each loading start. `hide` method is called on each loading finish. Read more about custom load indicator in the [Load Indication](#load-indication) section. ### loadStrategy An object or a function returning an object representing grid load strategy. Load strategy defines behavior of the grid after loading data (any interaction with grid controller methods including data manipulation like inserting, updating and removing). There are two build-in load strategies: `DirectLoadingStrategy` and `PageLoadingStrategy`. Load strategy depends on `pageLoading` option value. For advanced scenarios custom load strategy can be provided. Read more about custom load strategies in the [Load Strategies](#load-strategies) section. ### updateOnResize (default `true`) A boolean value specifying whether to refresh grid on window resize event. ### rowRenderer (default `null`) A function to customize row rendering. The function signature is `function(item, itemIndex)`, where `item` is row data item, and `itemIndex` is the item index. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### headerRowRenderer (default `null`) A function to customize grid header row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### filterRowRenderer (default `null`) A function to customize grid filter row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### insertRowRenderer (default `null`) A function to customize grid inserting row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### editRowRenderer (default `null`) A function to customize editing row rendering. The function signature is `function(item, itemIndex)`, where `item` is row data item, and `itemIndex` is the item index. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### pagerRenderer (default `null`) > version added: 1.2 A function to customize pager rendering. The function accepts a single argument with the following structure: ```javascript { pageIndex, // index of the currently opened page pageCount // total amount of grid pages } ``` The function should return markup as a string, jQueryElement or DomNode representing the pager. If `pagerRenderer` is specified, then `pagerFormat` option will be ignored. ## Grid Fields All fields supporting by grid are stored in `jsGrid.fields` object, where key is a type of the field and the value is the field class. `jsGrid.fields` contains following build-in fields: ```javascript { text: { ... }, // simple text input number: { ... }, // number input select: { ... }, // select control checkbox: { ... }, // checkbox input textarea: { ... }, // textarea control (renders textarea for inserting and editing and text input for filtering) control: { ... } // control field with delete and editing buttons for data rows, search and add buttons for filter and inserting row } ``` Each build-in field can be easily customized with general configuration properties described in [fields](#fields) section and custom field-specific properties described below. ### text Text field renders `<input type="text">` in filter, inserting and editing rows. Custom properties: ```javascript { autosearch: true, // triggers searching when the user presses `enter` key in the filter input readOnly: false // a boolean defines whether input is readonly (added in v1.4) } ``` ### number Number field renders `<input type="number">` in filter, inserting and editing rows. Custom properties: ```javascript { sorter: "number", // uses sorter for numbers align: "right", // right text alignment readOnly: false // a boolean defines whether input is readonly (added in v1.4) } ``` ### select Select field renders `<select>` control in filter, inserting and editing rows. Custom properties: ```javascript { align: "center", // center text alignment autosearch: true, // triggers searching when the user changes the selected item in the filter items: [], // an array of items for select valueField: "", // name of property of item to be used as value textField: "", // name of property of item to be used as displaying value selectedIndex: -1, // index of selected item by default valueType: "number|string", // the data type of the value readOnly: false // a boolean defines whether select is readonly (added in v1.4) } ``` If valueField is not defined, then the item index is used instead. If textField is not defined, then item itself is used to display value. For instance the simple select field config may look like: ```javascript { name: "Country", type: "select", items: [ "", "United States", "Canada", "United Kingdom" ] } ``` or more complex with items as objects: ```javascript { name: "Country", type: "select" items: [ { Name: "", Id: 0 }, { Name: "United States", Id: 1 }, { Name: "Canada", Id: 2 }, { Name: "United Kingdom", Id: 3 } ], valueField: "Id", textField: "Name" } ``` `valueType` defines whether the field value should be converted to a number or returned as a string. The value of the option is determined automatically depending on the data type of `valueField` of the first item, but it can be overridden. ### checkbox Checkbox field renders `<input type="checkbox">` in filter, inserting and editing rows. Filter checkbox supports intermediate state for, so click switches between 3 states (checked|intermediate|unchecked). Custom properties: ```javascript { sorter: "number", // uses sorter for numbers align: "center", // center text alignment autosearch: true // triggers searching when the user clicks checkbox in filter } ``` ### textarea Textarea field renders `<textarea>` in inserting and editing rows and `<input type="text">` in filter row. Custom properties: ```javascript { autosearch: true, // triggers searching when the user presses `enter` key in the filter input readOnly: false // a boolean defines whether textarea is readonly (added in v1.4) } ``` ### control Control field renders delete and editing buttons in data row, search and add buttons in filter and inserting row accordingly. It also renders button switching between filtering and searching in header row. Custom properties: ```javascript { editButton: true, // show edit button deleteButton: true, // show delete button clearFilterButton: true, // show clear filter button modeSwitchButton: true, // show switching filtering/inserting button align: "center", // center content alignment width: 50, // default column width is 50px filtering: false, // disable filtering for column inserting: false, // disable inserting for column editing: false, // disable editing for column sorting: false, // disable sorting for column searchModeButtonTooltip: "Switch to searching", // tooltip of switching filtering/inserting button in inserting mode insertModeButtonTooltip: "Switch to inserting", // tooltip of switching filtering/inserting button in filtering mode editButtonTooltip: "Edit", // tooltip of edit item button deleteButtonTooltip: "Delete", // tooltip of delete item button searchButtonTooltip: "Search", // tooltip of search button clearFilterButtonTooltip: "Clear filter", // tooltip of clear filter button insertButtonTooltip: "Insert", // tooltip of insert button updateButtonTooltip: "Update", // tooltip of update item button cancelEditButtonTooltip: "Cancel edit", // tooltip of cancel editing button } ``` ### Custom Field If you need a completely custom field, the object `jsGrid.fields` can be easily extended. In this example we define new grid field `date`: ```javascript var MyDateField = function(config) { jsGrid.Field.call(this, config); }; MyDateField.prototype = new jsGrid.Field({ css: "date-field", // redefine general property 'css' align: "center", // redefine general property 'align' myCustomProperty: "foo", // custom property sorter: function(date1, date2) { return new Date(date1) - new Date(date2); }, itemTemplate: function(value) { return new Date(value).toDateString(); }, insertTemplate: function(value) { return this._insertPicker = $("<input>").datepicker({ defaultDate: new Date() }); }, editTemplate: function(value) { return this._editPicker = $("<input>").datepicker().datepicker("setDate", new Date(value)); }, insertValue: function() { return this._insertPicker.datepicker("getDate").toISOString(); }, editValue: function() { return this._editPicker.datepicker("getDate").toISOString(); } }); jsGrid.fields.date = MyDateField; ``` To have all general grid field properties custom field class should inherit `jsGrid.Field` class or any other field class. Here `itemTemplate` just returns the string representation of a date. `insertTemplate` and `editTemplate` create jQuery UI datePicker for inserting and editing row. Of course jquery ui library should be included to make it work. `insertValue` and `editValue` return date to insert and update items accordingly. We also defined date specific sorter. Now, our new field `date` can be used in the grid config as follows: ```javascript { fields: [ ... { type: "date", myCustomProperty: "bar" }, ... ] } ``` ## Methods jsGrid methods could be called with `jsGrid` jQuery plugin or directly. To use jsGrid plugin to call a method, just call `jsGrid` with method name and required parameters as next arguments: ```javascript // calling method with jQuery plugin $("#grid").jsGrid("methodName", param1, param2); ``` To call method directly you need to retrieve grid instance or just create grid with the constructor: ```javascript // retrieve grid instance from element data var grid = $("#grid").data("JSGrid"); // create grid with the constructor var grid = new jsGrid.Grid($("#grid"), { ... }); // call method directly grid.methodName(param1, param2); ``` ### cancelEdit() Cancels row editing. ```javascript $("#grid").jsGrid("cancelEdit"); ``` ### clearFilter(): `Promise` Clears current filter and performs search with empty filter. Returns jQuery promise resolved when data filtering is completed. ```javascript $("#grid").jsGrid("clearFilter").done(function() { console.log("filtering completed"); }); ``` ### clearInsert() Clears current inserting row. ```javascript $("#grid").jsGrid("clearInsert"); ``` ### deleteItem(item|$row|rowNode): `Promise` Removes specified row from the grid. Returns jQuery promise resolved when deletion is completed. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. ```javascript // delete row by item reference $("#grid").jsGrid("deleteItem", item); // delete row by jQueryElement $("#grid").jsGrid("deleteItem", $(".specific-row")); // delete row by DomNode $("#grid").jsGrid("deleteItem", rowNode); ``` ### destroy() Destroys the grid and brings the Node to its original state. ```javascript $("#grid").jsGrid("destroy"); ``` ### editItem(item|$row|rowNode) Sets grid editing row. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. ```javascript // edit row by item reference $("#grid").jsGrid("editItem", item); // edit row by jQueryElement $("#grid").jsGrid("editItem", $(".specific-row")); // edit row by DomNode $("#grid").jsGrid("editItem", rowNode); ``` ### getFilter(): `Object` Get grid filter as a plain object. ```javascript var filter = $("#grid").jsGrid("getFilter"); ``` ### getSorting(): `Object` > version added: 1.2 Get grid current sorting params as a plain object with the following format: ```javascript { field, // the name of the field by which grid is sorted order // 'asc' or 'desc' depending on sort order } ``` ```javascript var sorting = $("#grid").jsGrid("getSorting"); ``` ### fieldOption(fieldName|fieldIndex, optionName, [optionValue]) > version added: 1.3 Gets or sets the value of a field option. **fieldName|fieldIndex** is the name or the index of the field to get/set the option value (if the grid contains more than one field with the same name, the first field will be used). **optionName** is the name of the field option. **optionValue** is the new option value to set. If `optionValue` is not specified, then the value of the field option `optionName` will be returned. ```javascript // hide the field "ClientName" $("#grid").jsGrid("fieldOption", "ClientName", "visible", false); // get width of the 2nd field var secondFieldOption = $("#grid").jsGrid("fieldOption", 1, "width"); ``` ### insertItem([item]): `Promise` Inserts row into the grid based on item. Returns jQuery promise resolved when insertion is completed. **item** is the item to pass to `controller.insertItem`. If `item` is not specified the data from inserting row will be inserted. ```javascript // insert item from inserting row $("#grid").jsGrid("insertItem"); // insert item $("#grid").jsGrid("insertItem", { Name: "John", Age: 25, Country: 2 }).done(function() { console.log("insertion completed"); }); ``` ### loadData([filter]): `Promise` Loads data calling corresponding `controller.loadData` method. Returns jQuery promise resolved when data loading is completed. It preserves current sorting and paging unlike the `search` method . **filter** is a filter to pass to `controller.loadData`. If `filter` is not specified the current filter (filtering row values) will be applied. ```javascript // load data with current grid filter $("#grid").jsGrid("loadData"); // loadData with custom filter $("#grid").jsGrid("loadData", { Name: "John" }).done(function() { console.log("data loaded"); }); ``` ### exportData([options]) Transforms the grid data into the specified output type. Output can be formatted, filtered or modified by providing options. Currently only supports CSV output. ```javascript //Basic export var csv = $("#grid").jsGrid("exportData"); //Full Options var csv = $("#grid").jsGrid("exportData", { type: "csv", //Only CSV supported subset: "all" | "visible", //Visible will only output the currently displayed page delimiter: "|", //If using csv, the character to seperate fields includeHeaders: true, //Include header row in output encapsulate: true, //Surround each field with qoutation marks; needed for some systems newline: "\r\n", //Newline character to use //Takes each item and returns true if it should be included in output. //Executed only on the records within the given subset above. filter: function(item){return true}, //Transformations are a way to modify the display value of the output. //Provide a key of the field name, and a function that takes the current value. transformations: { "Married": function(value){ if (value === true){ return "Yes" } else{ return "No" } } } }); ``` ### openPage(pageIndex) Opens the page of specified index. **pageIndex** is one-based index of the page to open. The value should be in range from 1 to [total amount of pages]. ### option(optionName, [optionValue]) Gets or sets the value of an option. **optionName** is the name of the option. **optionValue** is the new option value to set. If `optionValue` is not specified, then the value of the option `optionName` will be returned. ```javascript // turn off paging $("#grid").jsGrid("option", "paging", false); // get current page index var pageIndex = $("#grid").jsGrid("option", "pageIndex"); ``` ### refresh() Refreshes the grid. Renders the grid body and pager content, recalculates sizes. ```javascript $("#grid").jsGrid("refresh"); ``` ### render(): `Promise` Performs complete grid rendering. If option `autoload` is `true` calls `controller.loadData`. The state of the grid like current page and sorting is retained. Returns jQuery promise resolved when data loading is completed. If auto-loading is disabled the promise is instantly resolved. ```javascript $("#grid").jsGrid("render").done(function() { console.log("rendering completed and data loaded"); }); ``` ### reset() Resets the state of the grid. Goes to the first data page, resets sorting, and then calls `refresh`. ```javascript $("#grid").jsGrid("reset"); ``` ### rowByItem(item): `jQueryElement` > version added: 1.3 Gets the row jQuery element corresponding to the item. **item** is the item corresponding to the row. ```javascript var $row = $("#grid").jsGrid("rowByItem", item); ``` ### search([filter]): `Promise` Performs filtering of the grid. Returns jQuery promise resolved when data loading is completed. It resets current sorting and paging unlike the `loadData` method. **filter** is a filter to pass to `controller.loadData`. If `filter` is not specified the current filter (filtering row values) will be applied. ```javascript // search with current grid filter $("#grid").jsGrid("search"); // search with custom filter $("#grid").jsGrid("search", { Name: "John" }).done(function() { console.log("filtering completed"); }); ``` ### showPrevPages() Shows previous set of pages, when total amount of pages more than `pageButtonCount`. ```javascript $("#grid").jsGrid("showPrevPages"); ``` ### showNextPages() Shows next set of pages, when total amount of pages more than `pageButtonCount`. ```javascript $("#grid").jsGrid("showNextPages"); ``` ### sort(sortConfig|field, [order]): `Promise` Sorts grid by specified field. Returns jQuery promise resolved when sorting is completed. **sortConfig** is the plain object of the following structure `{ field: (fieldIndex|fieldName|field), order: ("asc"|"desc") }` **field** is the field to sort by. It could be zero-based field index or field name or field reference **order** is the sorting order. Accepts the following values: "asc"|"desc" If `order` is not specified, then data is sorted in the reversed to current order, when grid is already sorted by the same field. Or `"asc"` for sorting by another field. When grid data is loaded by pages (`pageLoading` is `true`) sorting calls `controller.loadData` with sorting parameters. Read more in [Grid Controller](#grid-controller) section. Set current locale of all grids. **localeName|localeConfig** is the name of the supported locale ('fr', 'es', 'pl', 'ru', 'pt_br') or a custom localization config. Find more information on custom localization config in [Localization](#localization). ```javascript // sorting grid by myField in ascending order $("#grid").jsGrid("sort", myField, "asc").done(function() { console.log("sorting completed"); }); ``` ### updateItem([item|$row|rowNode], [editedItem]): `Promise` Updates item and row of the grid. Returns jQuery promise resolved when update is completed. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. **editedItem** is the changed item to pass to `controller.updateItem`. If `item|$row|rowNode` is not specified then editing row will be updated. If `editedItem` is not specified the data from editing row will be taken. ```javascript // update currently editing row $("#grid").jsGrid("updateItem"); // update currently editing row with specified data $("#grid").jsGrid("updateItem", { ID: 1, Name: "John", Age: 25, Country: 2 }); // update specified item with particular data (row DomNode or row jQueryElement can be used instead of item reference) $("#grid").jsGrid("updateItem", item, { ID: 1, Name: "John", Age: 25, Country: 2 }).done(function() { console.log("update completed"); }); ``` ### jsGrid.locale(localeName|localeConfig) > version added: 1.4 Set current locale of all grids. **localeName|localeConfig** is the name of the supported locale (see [available locales](src/i18n)) or a custom localization config. Find more information on custom localization config in [Localization](#localization). ```javascript // set French locale jsGrid.locale("fr"); ``` ### jsGrid.setDefaults(config) Set default options for all grids. ```javascript jsGrid.setDefaults({ filtering: true, inserting: true }); ``` ### jsGrid.setDefaults(fieldName, config) Set default options of the particular field. ```javascript jsGrid.setDefaults("text", { width: 150, css: "text-field-cls" }); ``` ## Callbacks jsGrid allows to specify a callback function to be executed on a particular event. The following callbacks are supported: ```javascript { onDataLoading: function(args) {}, // before controller.loadData onDataLoaded: function(args) {}, // on done of controller.loadData onDataExporting: function() {}, // before data export onInit: function(args) {}, // after grid initialization onItemInserting: function(args) {}, // before controller.insertItem onItemInserted: function(args) {}, // on done of controller.insertItem onItemUpdating: function(args) {}, // before controller.updateItem onItemUpdated: function(args) {}, // on done of controller.updateItem onItemDeleting: function(args) {}, // before controller.deleteItem onItemDeleted: function(args) {}, // on done of controller.deleteItem onItemInvalid: function(args) {}, // after item validation, in case data is invalid onError: function(args) {}, // on fail of any controller call onOptionChanging: function(args) {}, // before changing the grid option onOptionChanged: function(args) {}, // after changing the grid option onPageChanged: function(args) {}, // after changing the current page onRefreshing: function(args) {}, // before grid refresh onRefreshed: function(args) {}, // after grid refresh } ``` ### onDataLoading Fires before data loading. Has the following arguments: ```javascript { grid // grid instance filter // loading filter object } ``` #### Cancel Data Loading > version added: 1.2 To cancel data loading set `args.cancel = true`. In the following example loading is canceled when the filter has empty 'name' field: ```javascript $("#grid").jsGrid({ ... onDataLoading: function(args) { // cancel loading data if 'name' is empty if(args.filter.name === "") { args.cancel = true; } } }); ``` ### onDataLoaded Fires after data loading. Has the following arguments: ```javascript { grid // grid instance data // load result (array of items or data structure for loading by page scenario) } ``` In the following example the loaded data is written to the browser console. ```javascript $("#grid").jsGrid({ ... onDataLoaded: function(args) { console.log(args.data); } }); ``` ### onInit > version added: 1.5 Fires after grid initialization right before rendering. Usually used to get grid instance. Has the following arguments: ```javascript { grid // grid instance } ``` In the following example we get the grid instance on initialization: ```javascript var gridInstance; $("#grid").jsGrid({ ... onInit: function(args) { gridInstance = args.grid; } }); ``` ### onError Fires when controller handler promise failed. Has the following arguments: ```javascript { grid // grid instance args // an array of arguments provided to fail promise handler } ``` ### onItemDeleting Fires before item deletion. Has the following arguments: ```javascript { grid // grid instance row // deleting row jQuery element item // deleting item itemIndex // deleting item index } ``` #### Cancel Item Deletion > version added: 1.2 To cancel item deletion set `args.cancel = true`. This allows to do a validation before performing the actual deletion. In the following example the deletion of items marked as `protected` is canceled: ```javascript $("#grid").jsGrid({ ... onItemDeleting: function(args) { // cancel deletion of the item with 'protected' field if(args.item.protected) { args.cancel = true; } } }); ``` ### onItemDeleted Fires after item deletion. Has the following arguments: ```javascript { grid // grid instance row // deleted row jQuery element item // deleted item itemIndex // deleted item index } ``` ### onItemEditing > version added: 1.4 Fires before item editing. Has the following arguments: ```javascript { grid // grid instance row // editing row jQuery element item // editing item itemIndex // editing item index } ``` #### Cancel Item Editing To cancel item editing set `args.cancel = true`. This allows to prevent row from editing conditionally. In the following example the editing of the row for item with 'ID' = 0 is canceled: ```javascript $("#grid").jsGrid({ ... onItemEditing: function(args) { // cancel editing of the row of item with field 'ID' = 0 if(args.item.ID === 0) { args.cancel = true; } } }); ``` ### onItemInserting Fires before item insertion. Has the following arguments: ```javascript { grid // grid instance item // inserting item } ``` #### Cancel Item Insertion > version added: 1.2 To cancel item insertion set `args.cancel = true`. This allows to do a validation before performing the actual insertion. In the following example insertion of items with the 'name' specified is allowed: ```javascript $("#grid").jsGrid({ ... onItemInserting: function(args) { // cancel insertion of the item with empty 'name' field if(args.item.name === "") { args.cancel = true; alert("Specify the name of the item!"); } } }); ``` ### onItemInserted Fires after item insertion. Has the following arguments: ```javascript { grid // grid instance item // inserted item } ``` ### onItemInvalid Fired when item is not following validation rules on inserting or updating. Has the following arguments: ```javascript { grid // grid instance row // inserting/editing row jQuery element item // inserting/editing item itemIndex // inserting/editing item index errors // array of validation violations in format { field: "fieldName", message: "validator message" } } ``` The following handler prints errors on the console ```javascript $("#grid").jsGrid({ ... onItemInvalid: function(args) { // prints [{ field: "Name", message: "Enter client name" }] console.log(args.errors); } }); ``` ### onItemUpdating Fires before item update. Has the following arguments: ```javascript { grid // grid instance row // updating row jQuery element item // updating item itemIndex // updating item index previousItem // shallow copy (not deep copy) of item before editing } ``` #### Cancel Item Update > version added: 1.2 To cancel item update set `args.cancel = true`. This allows to do a validation before performing the actual update. In the following example update of items with the 'name' specified is allowed: ```javascript $("#grid").jsGrid({ ... onItemUpdating: function(args) { // cancel update of the item with empty 'name' field if(args.item.name === "") { args.cancel = true; alert("Specify the name of the item!"); } } }); ``` ### onItemUpdated Fires after item update. Has the following arguments: ```javascript { grid // grid instance row // updated row jQuery element item // updated item itemIndex // updated item index previousItem // shallow copy (not deep copy) of item before editing } ``` ### onOptionChanging Fires before grid option value change. Has the following arguments: ```javascript { grid // grid instance option // name of option to be changed oldValue // old value of option newValue // new value of option } ``` ### onOptionChanged Fires after grid option value change. Has the following arguments: ```javascript { grid // grid instance option // name of changed option value // changed option value } ``` ### onPageChanged > version added: 1.5 Fires once grid current page index is changed. It happens either by switching between the pages with the pager links, or by calling the method `openPage`, or changing the option `pageIndex`. Has the following arguments: ```javascript { grid // grid instance pageIndex // current page index } ``` In the following example we print the current page index in the browser console once it has been changed: ```javascript $("#grid").jsGrid({ ... onPageChanged: function(args) { console.log(args.pageIndex); } }); ``` ### onRefreshing Fires before grid refresh. Has the following arguments: ```javascript { grid // grid instance } ``` ### onRefreshed Fires after grid refresh. Has the following arguments: ```javascript { grid // grid instance } ``` ## Grid Controller The controller is a gateway between grid and data storage. All data manipulations call accordant controller methods. By default grid has an empty controller and can work with static array of items stored in option `data`. A controller should implement the following methods: ```javascript { loadData: function(filter) { ... }, insertItem: function(item) { ... }, updateItem: function(item) { ... }, deleteItem: function(item) { ... } } ``` Asynchronous controller methods should return a Promise, resolved once the request is completed. Starting v1.5 jsGrid supports standard JavaScript Promise/A, earlier versions support only jQuery.Promise. For instance the controller for typical REST service might look like: ```javascript { loadData: function(filter) { return $.ajax({ type: "GET", url: "/items", data: filter }); }, insertItem: function(item) { return $.ajax({ type: "POST", url: "/items", data: item }); }, updateItem: function(item) { return $.ajax({ type: "PUT", url: "/items", data: item }); }, deleteItem: function(item) { return $.ajax({ type: "DELETE", url: "/items", data: item }); }, } ``` ### loadData(filter): `Promise|dataResult` Called on data loading. **filter** contains all filter parameters of fields with enabled filtering When `pageLoading` is `true` and data is loaded by page, `filter` includes two more parameters: ```javascript { pageIndex // current page index pageSize // the size of page } ``` When grid sorting is enabled, `filter` includes two more parameters: ```javascript { sortField // the name of sorting field sortOrder // the order of sorting as string "asc"|"desc" } ``` Method should return `dataResult` or jQuery promise that will be resolved with `dataResult`. **dataResult** depends on `pageLoading`. When `pageLoading` is `false` (by default), then data result is a plain javascript array of objects. If `pageLoading` is `true` data result should have following structure ```javascript { data // array of items itemsCount // total items amount in storage } ``` ### insertItem(item): `Promise|insertedItem` Called on item insertion. Method should return `insertedItem` or jQuery promise that will be resolved with `insertedItem`. If no item is returned, inserting item will be used as inserted item. **item** is the item to be inserted. ### updateItem(item): `Promise|updatedItem` Called on item update. Method should return `updatedItem` or jQuery promise that will be resolved with `updatedItem`. If no item is returned, updating item will be used as updated item. **item** is the item to be updated. ### deleteItem(item): `Promise` Called on item deletion. If deletion is asynchronous, method should return jQuery promise that will be resolved when deletion is completed. **item** is the item to be deleted. ## Validation > version added: 1.4 ### Field Validation Config `validate` option of the field can have 4 different value types `string|Object|Array|function`: 1. `validate: "validatorName"` **validatorName** - is a string key of the validator in the `jsGrid.validators` registry. The registry can be easily extended. See available [built-in validators here](#built-in-validators). In the following example the `required` validator is applied: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "text", name: "FieldName", validate: "required" }] }); ``` 2. `validate: validationConfig` **validateConfig** - is a plain object of the following structure: ```javascript { validator: string|function(value, item, param), // built-in validator name or custom validation function message: string|function, // validation message or a function(value, item) returning validation message param: any // a plain object with parameters to be passed to validation function } ``` In the following example the `range` validator is applied with custom validation message and range provided in parameters: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "number", name: "Age", validate: { validator: "range", message: function(value, item) { return "The client age should be between 21 and 80. Entered age is \"" + value + "\" is out of specified range."; }, param: [21, 80] } }] }); ``` 3. `validate: validateArray` **validateArray** - is an array of validators. It can contain * `string` - validator name * `Object` - validator configuration of structure `{ validator, message, param }` * `function` - validation function as `function(value, item)` In the following example the field has three validators: `required`, `range`, and a custom function validator: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "number", name: "Age", validate: [ "required", { validator: "range", param: [21, 80] }, function(value, item) { return item.IsRetired ? value > 55 : true; } ] }] }); ``` 4. `validate: function(value, item, param)` The parameters of the function: * `value` - entered value of the field * `item` - editing/inserting item * `param` - a parameter provided by validator (applicable only when validation config is defined at validation object or an array of objects) In the following example the field has custom validation function: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "text", name: "Phone", validate: function(value, item) { return value.length == 10 && phoneBelongsToCountry(value, item.Country); } }] }); ``` ### Built-in Validators The `jsGrid.validators` object contains all built-in validators. The key of the hash is a validator name and the value is the validator config. `jsGrid.validators` contains the following build-in validators: * **required** - the field value is required * **rangeLength** - the length of the field value is limited by range (the range should be provided as an array in `param` field of validation config) * **minLength** - the minimum length of the field value is limited (the minimum value should be provided in `param` field of validation config) * **maxLength** - the maximum length of the field value is limited (the maximum value should be provided in `param` field of validation config) * **pattern** - the field value should match the defined pattern (the pattern should be provided as a regexp literal or string in `param` field of validation config) * **range** - the value of the number field is limited by range (the range should be provided as an array in `param` field of validation config) * **min** - the minimum value of the number field is limited (the minimum should be provided in `param` field of validation config) * **max** - the maximum value of the number field is limited (the maximum should be provided in `param` field of validation config) ### Custom Validators To define a custom validator just add it to the `jsGrid.validators` object. In the following example a custom validator `time` is registered: ```javascript jsGrid.validators.time = { message: "Please enter a valid time, between 00:00 and 23:59", validator: function(value, item) { return /^([01]\d|2[0-3]|[0-9])(:[0-5]\d){1,2}$/.test(value); } } ``` ## Localization > version added: 1.4 Current locale can be set for all grids on the page with the [`jsGrid.locale(localeName)`](#jsgridlocalelocalenamelocaleconfig) method. New custom locale can be added to `jsGrid.locales` hash like the following: ```javascript jsGrid.locales.my_lang = { // localization config goes here ... }; ``` Here is how localization config looks like for Spanish [i18n/es.js](src/i18n/es.js). Find all available locales [here](src/i18n). ## Sorting Strategies All supported sorting strategies are stored in `jsGrid.sortStrategies` object, where key is a name of the strategy and the value is a `sortingFunction`. `jsGrid.sortStrategies` contains following build-in sorting strategies: ```javascript { string: { ... }, // string sorter number: { ... }, // number sorter date: { ... }, // date sorter numberAsString: { ... } // numbers are parsed before comparison } ``` **sortingFunction** is a sorting function with the following format: ```javascript function(value1, value2) { if(value1 < value2) return -1; // return negative value when first is less than second if(value1 === value2) return 0; // return zero if values are equal if(value1 > value2) return 1; // return positive value when first is greater than second } ``` ### Custom Sorting Strategy If you need a custom sorting strategy, the object `jsGrid.sortStrategies` can be easily extended. In this example we define new sorting strategy for our client objects: ```javascript // clients array var clients = [{ Index: 1, Name: "John", Age: 25 }, ...]; // sort clients by name and then by age jsGrid.sortStrategies.client = function(index1, index2) { var client1 = clients[index1]; var client2 = clients[index2]; return client1.Name.localeCompare(client2.Name) || client1.Age - client2.Age; }; ``` Now, our new sorting strategy `client` can be used in the grid config as follows: ```javascript { fields: [ ... { name: "Index", sorter: "client" }, ... ] } ``` Worth to mention, that if you need particular sorting only once, you can just inline sorting function in `sorter` not registering the new strategy: ```javascript { fields: [ ... { name: "Index", sorter: function(index1, index2) { var client1 = clients[index1]; var client2 = clients[index2]; return client1.Name.localeCompare(client2.Name) || client1.Age - client2.Age; } }, ... ] } ``` ## Load Strategies The behavior of the grid regarding data source interaction is defined by load strategy. The load strategy has the following methods: ```javascript { firstDisplayIndex: function() {}, // returns the index of the first displayed item lastDisplayIndex: function() {}, // returns the index of the last displayed item itemsCount: function() {}, // returns the total amount of grid items openPage: function(index) {}, // handles opening of the particular page loadParams: function() {}, // returns additional parameters for controller.loadData method sort: function() {}, // handles sorting of data in the grid, should return a Promise reset: function() {}, // handles grid refresh on grid reset with 'reset' method call, should return a Promise finishLoad: function(loadedData) {}, // handles the finish of loading data by controller.loadData finishInsert: function(insertedItem) {}, // handles the finish of inserting item by controller.insertItem finishDelete: function(deletedItem, deletedItemIndex) {} // handles the finish of deleting item by controller.deleteItem } ``` There are two build-in load strategies: DirectLoadingStrategy (for `pageLoading=false`) and PageLoadingStrategy (for `pageLoading=true`). ### DirectLoadingStrategy **DirectLoadingStrategy** is used when loading by page is turned off (`pageLoading=false`). It provides the following behavior: - **firstDisplayIndex** returns the index of the first item on the displayed page - **lastDisplayIndex** returns the index of the last item on the displayed page - **itemsCount** returns the actual amount of all the loaded items - **openPage** refreshes the grid to render items of current page - **loadParams** returns empty object, since no extra load params are needed - **sort** sorts data items and refreshes the grid calling `grid.refresh` - **reset** calls `grid.refresh` method to refresh the grid - **finishLoad** puts the data coming from `controller.loadData` into the option `data` of the grid - **finishInsert** pushes new inserted item into the option `data` and refreshes the grid - **finishDelete** removes deleted item from the option `data` and resets the grid ### PageLoadingStrategy **PageLoadingStrategy** is used when data is loaded to the grid by pages (`pageLoading=true`). It provides the following behavior: - **firstDisplayIndex** returns 0, because all loaded items displayed on the current page - **lastDisplayIndex** returns the amount of loaded items, since data loaded by page - **itemsCount** returns `itemsCount` provided by `controller.loadData` (read more in section [controller.loadData](#loaddatafilter-promisedataresult)) - **openPage** calls `grid.loadData` to load data for the current page - **loadParams** returns an object with the structure `{ pageIndex, pageSize }` to provide server with paging info - **sort** calls `grid.loadData` to load sorted data from the server - **reset** calls `grid.loadData` method to refresh the data - **finishLoad** saves `itemsCount` returned by server and puts the `data` into the option `data` of the grid - **finishInsert** calls `grid.search` to reload the data - **finishDelete** calls `grid.search` to reload the data ### Custom LoadStrategy The option `loadStrategy` allows to specify a custom load strategy to customize the behavior of the grid. The easiest way to do it is to inherit from existing strategy. By default DirectLoadingStrategy resets the grid (resets the paging and sorting) when an item is deleted. The following example shows how to create a custom strategy to avoid grid reset on deletion of an item. ```javascript var MyCustomDirectLoadStrategy = function(grid) { jsGrid.loadStrategies.DirectLoadingStrategy.call(this, grid); }; MyCustomDirectLoadStrategy.prototype = new jsGrid.loadStrategies.DirectLoadingStrategy(); MyCustomDirectLoadStrategy.prototype.finishDelete = function(deletedItem, deletedItemIndex) { var grid = this._grid; grid.option("data").splice(deletedItemIndex, 1); grid.refresh(); }; // use custom strategy in grid config $("#grid").jsGrid({ loadStrategy: function() { return new MyCustomDirectLoadStrategy(this); }, ... }); ``` ## Load Indication By default jsGrid uses jsGrid.LoadIndicator. Load indicator can be customized with the `loadIndicator` option. Set an object or a function returning an object supporting the following interface: ```javascript { show: function() { | 1 | Docs: Correct supported locales | 1 | .md | md | mit | tabalinas/jsgrid |
10060708 | <NME> README.md <BEF> # jsGrid Lightweight Grid jQuery Plugin [](https://travis-ci.org/tabalinas/jsgrid) Project site [js-grid.com](http://js-grid.com/) **jsGrid** is a lightweight client-side data grid control based on jQuery. It supports basic grid operations like inserting, filtering, editing, deleting, paging, sorting, and validating. jsGrid is tunable and allows to customize appearance and components.  ## Table of contents * [Demos](#demos) * [Installation](#installation) * [Basic Usage](#basic-usage) * [Configuration](#configuration) * [Grid Fields](#grid-fields) * [Methods](#methods) * [Callbacks](#callbacks) * [Grid Controller](#grid-controller) * [Validation](#validation) * [Localization](#localization) * [Sorting Strategies](#sorting-strategies) * [Load Strategies](#load-strategies) * [Load Indication](#load-indication) * [Requirement](#requirement) * [Compatibility](#compatibility) ## Demos See [Demos](http://js-grid.com/demos/) on project site. Sample projects showing how to use jsGrid with the most popular backend technologies * **PHP** - https://github.com/tabalinas/jsgrid-php * **ASP.NET WebAPI** - https://github.com/tabalinas/jsgrid-webapi * **Express (NodeJS)** - https://github.com/tabalinas/jsgrid-express * **Ruby on Rail** - https://github.com/tabalinas/jsgrid-rails * **Django (Python)** - https://github.com/tabalinas/jsgrid-django ## Installation Install jsgrid with bower: ```bash $ bower install js-grid --save ``` Find jsGrid cdn links [here](https://cdnjs.com/libraries/jsgrid). ## Basic Usage Ensure that jQuery library of version 1.8.3 or later is included. Include `jsgrid.min.js`, `jsgrid-theme.min.css`, and `jsgrid.min.css` files into the web page. Create grid applying jQuery plugin `jsGrid` with grid config as follows: ```javascript $("#jsGrid").jsGrid({ width: "100%", height: "400px", filtering: true, editing: true, sorting: true, paging: true, data: db.clients, fields: [ { name: "Name", type: "text", width: 150 }, { name: "Age", type: "number", width: 50 }, { name: "Address", type: "text", width: 200 }, { name: "Country", type: "select", items: db.countries, valueField: "Id", textField: "Name" }, { name: "Married", type: "checkbox", title: "Is Married", sorting: false }, { type: "control" } ] }); ``` ## Configuration The config object may contain following options (default values are specified below): ```javascript { fields: [], data: [], autoload: false, controller: { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop }, width: "auto", height: "auto", heading: true, filtering: false, inserting: false, editing: false, selecting: true, sorting: false, paging: false, pageLoading: false, insertRowLocation: "bottom", rowClass: function(item, itemIndex) { ... }, rowClick: function(args) { ... }, rowDoubleClick: function(args) { ... }, noDataContent: "Not found", confirmDeleting: true, deleteConfirm: "Are you sure?", pagerContainer: null, pageIndex: 1, pageSize: 20, pageButtonCount: 15, pagerFormat: "Pages: {first} {prev} {pages} {next} {last} {pageIndex} of {pageCount}", pagePrevText: "Prev", pageNextText: "Next", pageFirstText: "First", pageLastText: "Last", pageNavigatorNextText: "...", pageNavigatorPrevText: "...", invalidNotify: function(args) { ... } invalidMessage: "Invalid data entered!", loadIndication: true, loadIndicationDelay: 500, loadMessage: "Please, wait...", loadShading: true, loadIndicator: function(config) { ... } loadStrategy: function(config) { ... } updateOnResize: true, rowRenderer: null, headerRowRenderer: null, filterRowRenderer: null, insertRowRenderer: null, editRowRenderer: null, pagerRenderer: null } ``` ### fields An array of fields (columns) of the grid. Each field has general options and specific options depending on field type. General options peculiar to all field types: ```javascript { type: "", name: "", title: "", align: "", width: 100, visible: true, css: "", headercss: "", filtercss: "", insertcss: "", editcss: "", filtering: true, inserting: true, editing: true, sorting: true, sorter: "string", headerTemplate: function() { ... }, itemTemplate: function(value, item) { ... }, filterTemplate: function() { ... }, insertTemplate: function() { ... }, editTemplate: function(value, item) { ... }, filterValue: function() { ... }, insertValue: function() { ... }, editValue: function() { ... }, cellRenderer: null, validate: null } ``` - **type** is a string key of field (`"text"|"number"|"checkbox"|"select"|"textarea"|"control"`) in fields registry `jsGrid.fields` (the registry can be easily extended with custom field types). - **name** is a property of data item associated with the column. - **title** is a text to be displayed in the header of the column. If `title` is not specified, the `name` will be used instead. - **align** is alignment of text in the cell. Accepts following values `"left"|"center"|"right"`. - **width** is a width of the column. - **visible** is a boolean specifying whether to show a column or not. (version added: 1.3) - **css** is a string representing css classes to be attached to the table cell. - **headercss** is a string representing css classes to be attached to the table header cell. If not specified, then **css** is attached instead. - **filtercss** is a string representing css classes to be attached to the table filter row cell. If not specified, then **css** is attached instead. - **insertcss** is a string representing css classes to be attached to the table insert row cell. If not specified, then **css** is attached instead. - **editcss** is a string representing css classes to be attached to the table edit row cell. If not specified, then **css** is attached instead. - **filtering** is a boolean specifying whether or not column has filtering (`filterTemplate()` is rendered and `filterValue()` is included in load filter object). - **inserting** is a boolean specifying whether or not column has inserting (`insertTemplate()` is rendered and `insertValue()` is included in inserting item). - **editing** is a boolean specifying whether or not column has editing (`editTemplate()` is rendered and `editValue()` is included in editing item). - **sorting** is a boolean specifying whether or not column has sorting ability. - **sorter** is a string or a function specifying how to sort item by the field. The string is a key of sorting strategy in the registry `jsGrid.sortStrategies` (the registry can be easily extended with custom sorting functions). Sorting function has the signature `function(value1, value2) { return -1|0|1; }`. - **headerTemplate** is a function to create column header content. It should return markup as string, DomNode or jQueryElement. - **itemTemplate** is a function to create cell content. It should return markup as string, DomNode or jQueryElement. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. - **filterTemplate** is a function to create filter row cell content. It should return markup as string, DomNode or jQueryElement. - **insertTemplate** is a function to create insert row cell content. It should return markup as string, DomNode or jQueryElement. - **editTemplate** is a function to create cell content of editing row. It should return markup as string, DomNode or jQueryElement. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. - **filterValue** is a function returning the value of filter property associated with the column. - **insertValue** is a function returning the value of inserting item property associated with the column. - **editValue** is a function returning the value of editing item property associated with the column. - **cellRenderer** is a function to customize cell rendering. The function signature is `function(value, item)`, where `value` is a value of column property of data item, and `item` is a row data item. The function should return markup as a string, jQueryElement or DomNode representing table cell `td`. - **validate** is a string as validate rule name or validation function or a validation configuration object or an array of validation configuration objects. Read more details about validation in the [Validation section](#validation). Specific field options depends on concrete field type. Read about build-in fields in [Grid Fields](#grid-fields) section. ### data An array of items to be displayed in the grid. The option should be used to provide static data. Use the `controller` option to provide non static data. ### autoload (default `false`) A boolean value specifying whether `controller.loadData` will be called when grid is rendered. ### controller An object or function returning an object with the following structure: ```javascript { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop } ``` - **loadData** is a function returning an array of data or jQuery promise that will be resolved with an array of data (when `pageLoading` is `true` instead of object the structure `{ data: [items], itemsCount: [total items count] }` should be returned). Accepts filter parameter including current filter options and paging parameters when `pageLoading` is `true`. - **insertItem** is a function returning inserted item or jQuery promise that will be resolved with inserted item. Accepts inserting item object. - **updateItem** is a function returning updated item or jQuery promise that will be resolved with updated item. Accepts updating item object. - **deleteItem** is a function deleting item. Returns jQuery promise that will be resolved when deletion is completed. Accepts deleting item object. Read more about controller interface in [Grid Controller](#grid-controller) section. ### width (default: `"auto"`) Specifies the overall width of the grid. Accepts all value types accepting by `jQuery.width`. ### height (default: `"auto"`) Specifies the overall height of the grid including the pager. Accepts all value types accepting by `jQuery.height`. ### heading (default: `true`) A boolean value specifies whether to show grid header or not. ### filtering (default: `false`) A boolean value specifies whether to show filter row or not. ### inserting (default: `false`) A boolean value specifies whether to show inserting row or not. ### editing (default: `false`) A boolean value specifies whether editing is allowed. ### selecting (default: `true`) A boolean value specifies whether to highlight grid rows on hover. ### sorting (default: `false`) A boolean value specifies whether sorting is allowed. ### paging (default: `false`) A boolean value specifies whether data is displayed by pages. ### pageLoading (default: `false`) A boolean value specifies whether to load data by page. When `pageLoading` is `true` the `loadData` method of controller accepts `filter` parameter with two additional properties `pageSize` and `pageIndex`. ### insertRowLocation (default: `"bottom"`) Specifies the location of an inserted row within the grid. When `insertRowLocation` is `"bottom"` the new row will appear at the bottom of the grid. When set to `"top"`, the new row will appear at the top. ### rowClass A string or a function specifying row css classes. A string contains classes separated with spaces. A function has signature `function(item, itemIndex)`. It accepts the data item and index of the item. It should returns a string containing classes separated with spaces. ### rowClick A function handling row click. Accepts single argument with following structure: ```javascript { item // data item itemIndex // data item index event // jQuery event } ``` By default `rowClick` performs row editing when `editing` is `true`. ### rowDoubleClick A function handling row double click. Accepts single argument with the following structure: ```javascript { item // data item itemIndex // data item index event // jQuery event } ``` ### noDataContent (default `"Not found"`) A string or a function returning a markup, jQueryElement or DomNode specifying the content to be displayed when `data` is an empty array. ### confirmDeleting (default `true`) A boolean value specifying whether to ask user to confirm item deletion. ### deleteConfirm (default `"Are you sure?"`) A string or a function returning string specifying delete confirmation message to be displayed to the user. A function has the signature `function(item)` and accepts item to be deleted. ### pagerContainer (default `null`) A jQueryElement or DomNode to specify where to render a pager. Used for external pager rendering. When it is equal to `null`, the pager is rendered at the bottom of the grid. ### pageIndex (default `1`) An integer value specifying current page index. Applied only when `paging` is `true`. ### pageSize (default `20`) An integer value specifying the amount of items on the page. Applied only when `paging` is `true`. ### pageButtonCount (default `15`) An integer value specifying the maximum amount of page buttons to be displayed in the pager. ### pagerFormat A string specifying pager format. The default value is `"Pages: {first} {prev} {pages} {next} {last} {pageIndex} of {pageCount}"` There are placeholders that can be used in the format: ```javascript {first} // link to first page {prev} // link to previous page {pages} // page links {next} // link to next page {last} // link to last page {pageIndex} // current page index {pageCount} // total amount of pages {itemCount} // total amount of items ``` ### pageNextText (default `"Next"`) A string specifying the text of the link to the next page. ### pagePrevText (default `"Prev"`) A string specifying the text of the link to the previous page. ### pageFirstText (default `"First"`) A string specifying the text of the link to the first page. ### pageLastText (default `"Last"`) A string specifying the text of the link to the last page. ### pageNavigatorNextText (default `"..."`) A string specifying the text of the link to move to next set of page links, when total amount of pages more than `pageButtonCount`. ### pageNavigatorPrevText (default `"..."`) A string specifying the text of the link to move to previous set of page links, when total amount of pages more than `pageButtonCount`. ### invalidMessage (default `"Invalid data entered!"`) A string specifying the text of the alert message, when invalid data was entered. ### invalidNotify A function triggered, when invalid data was entered. By default all violated validators messages are alerted. The behavior can be customized by providing custom function. The function accepts a single argument with the following structure: ```javascript { item // inserting/editing item itemIndex // inserting/editing item index errors // array of validation violations in format { field: "fieldName", message: "validator message" } } ``` In the following example error messages are printed in the console instead of alerting: ```javascript $("#grid").jsGrid({ ... invalidNotify: function(args) { var messages = $.map(args.errors, function(error) { return error.field + ": " + error.message; }); console.log(messages); } ... }); ``` ### loadIndication (default `true`) A boolean value specifying whether to show loading indication during controller operations execution. ### loadIndicationDelay (default `500`) An integer value specifying the delay in ms before showing load indication. Applied only when `loadIndication` is `true`. ### loadMessage (default `"Please, wait..."`) A string specifying the text of loading indication panel. Applied only when `loadIndication` is `true`. ### loadShading (default `true`) A boolean value specifying whether to show overlay (shader) over grid content during loading indication. Applied only when `loadIndication` is `true`. ### loadIndicator An object or a function returning an object representing grid load indicator. Load indicator could be any js object supporting two methods `show` and `hide`. `show` is called on each loading start. `hide` method is called on each loading finish. Read more about custom load indicator in the [Load Indication](#load-indication) section. ### loadStrategy An object or a function returning an object representing grid load strategy. Load strategy defines behavior of the grid after loading data (any interaction with grid controller methods including data manipulation like inserting, updating and removing). There are two build-in load strategies: `DirectLoadingStrategy` and `PageLoadingStrategy`. Load strategy depends on `pageLoading` option value. For advanced scenarios custom load strategy can be provided. Read more about custom load strategies in the [Load Strategies](#load-strategies) section. ### updateOnResize (default `true`) A boolean value specifying whether to refresh grid on window resize event. ### rowRenderer (default `null`) A function to customize row rendering. The function signature is `function(item, itemIndex)`, where `item` is row data item, and `itemIndex` is the item index. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### headerRowRenderer (default `null`) A function to customize grid header row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### filterRowRenderer (default `null`) A function to customize grid filter row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### insertRowRenderer (default `null`) A function to customize grid inserting row. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### editRowRenderer (default `null`) A function to customize editing row rendering. The function signature is `function(item, itemIndex)`, where `item` is row data item, and `itemIndex` is the item index. The function should return markup as a string, jQueryElement or DomNode representing table row `tr`. ### pagerRenderer (default `null`) > version added: 1.2 A function to customize pager rendering. The function accepts a single argument with the following structure: ```javascript { pageIndex, // index of the currently opened page pageCount // total amount of grid pages } ``` The function should return markup as a string, jQueryElement or DomNode representing the pager. If `pagerRenderer` is specified, then `pagerFormat` option will be ignored. ## Grid Fields All fields supporting by grid are stored in `jsGrid.fields` object, where key is a type of the field and the value is the field class. `jsGrid.fields` contains following build-in fields: ```javascript { text: { ... }, // simple text input number: { ... }, // number input select: { ... }, // select control checkbox: { ... }, // checkbox input textarea: { ... }, // textarea control (renders textarea for inserting and editing and text input for filtering) control: { ... } // control field with delete and editing buttons for data rows, search and add buttons for filter and inserting row } ``` Each build-in field can be easily customized with general configuration properties described in [fields](#fields) section and custom field-specific properties described below. ### text Text field renders `<input type="text">` in filter, inserting and editing rows. Custom properties: ```javascript { autosearch: true, // triggers searching when the user presses `enter` key in the filter input readOnly: false // a boolean defines whether input is readonly (added in v1.4) } ``` ### number Number field renders `<input type="number">` in filter, inserting and editing rows. Custom properties: ```javascript { sorter: "number", // uses sorter for numbers align: "right", // right text alignment readOnly: false // a boolean defines whether input is readonly (added in v1.4) } ``` ### select Select field renders `<select>` control in filter, inserting and editing rows. Custom properties: ```javascript { align: "center", // center text alignment autosearch: true, // triggers searching when the user changes the selected item in the filter items: [], // an array of items for select valueField: "", // name of property of item to be used as value textField: "", // name of property of item to be used as displaying value selectedIndex: -1, // index of selected item by default valueType: "number|string", // the data type of the value readOnly: false // a boolean defines whether select is readonly (added in v1.4) } ``` If valueField is not defined, then the item index is used instead. If textField is not defined, then item itself is used to display value. For instance the simple select field config may look like: ```javascript { name: "Country", type: "select", items: [ "", "United States", "Canada", "United Kingdom" ] } ``` or more complex with items as objects: ```javascript { name: "Country", type: "select" items: [ { Name: "", Id: 0 }, { Name: "United States", Id: 1 }, { Name: "Canada", Id: 2 }, { Name: "United Kingdom", Id: 3 } ], valueField: "Id", textField: "Name" } ``` `valueType` defines whether the field value should be converted to a number or returned as a string. The value of the option is determined automatically depending on the data type of `valueField` of the first item, but it can be overridden. ### checkbox Checkbox field renders `<input type="checkbox">` in filter, inserting and editing rows. Filter checkbox supports intermediate state for, so click switches between 3 states (checked|intermediate|unchecked). Custom properties: ```javascript { sorter: "number", // uses sorter for numbers align: "center", // center text alignment autosearch: true // triggers searching when the user clicks checkbox in filter } ``` ### textarea Textarea field renders `<textarea>` in inserting and editing rows and `<input type="text">` in filter row. Custom properties: ```javascript { autosearch: true, // triggers searching when the user presses `enter` key in the filter input readOnly: false // a boolean defines whether textarea is readonly (added in v1.4) } ``` ### control Control field renders delete and editing buttons in data row, search and add buttons in filter and inserting row accordingly. It also renders button switching between filtering and searching in header row. Custom properties: ```javascript { editButton: true, // show edit button deleteButton: true, // show delete button clearFilterButton: true, // show clear filter button modeSwitchButton: true, // show switching filtering/inserting button align: "center", // center content alignment width: 50, // default column width is 50px filtering: false, // disable filtering for column inserting: false, // disable inserting for column editing: false, // disable editing for column sorting: false, // disable sorting for column searchModeButtonTooltip: "Switch to searching", // tooltip of switching filtering/inserting button in inserting mode insertModeButtonTooltip: "Switch to inserting", // tooltip of switching filtering/inserting button in filtering mode editButtonTooltip: "Edit", // tooltip of edit item button deleteButtonTooltip: "Delete", // tooltip of delete item button searchButtonTooltip: "Search", // tooltip of search button clearFilterButtonTooltip: "Clear filter", // tooltip of clear filter button insertButtonTooltip: "Insert", // tooltip of insert button updateButtonTooltip: "Update", // tooltip of update item button cancelEditButtonTooltip: "Cancel edit", // tooltip of cancel editing button } ``` ### Custom Field If you need a completely custom field, the object `jsGrid.fields` can be easily extended. In this example we define new grid field `date`: ```javascript var MyDateField = function(config) { jsGrid.Field.call(this, config); }; MyDateField.prototype = new jsGrid.Field({ css: "date-field", // redefine general property 'css' align: "center", // redefine general property 'align' myCustomProperty: "foo", // custom property sorter: function(date1, date2) { return new Date(date1) - new Date(date2); }, itemTemplate: function(value) { return new Date(value).toDateString(); }, insertTemplate: function(value) { return this._insertPicker = $("<input>").datepicker({ defaultDate: new Date() }); }, editTemplate: function(value) { return this._editPicker = $("<input>").datepicker().datepicker("setDate", new Date(value)); }, insertValue: function() { return this._insertPicker.datepicker("getDate").toISOString(); }, editValue: function() { return this._editPicker.datepicker("getDate").toISOString(); } }); jsGrid.fields.date = MyDateField; ``` To have all general grid field properties custom field class should inherit `jsGrid.Field` class or any other field class. Here `itemTemplate` just returns the string representation of a date. `insertTemplate` and `editTemplate` create jQuery UI datePicker for inserting and editing row. Of course jquery ui library should be included to make it work. `insertValue` and `editValue` return date to insert and update items accordingly. We also defined date specific sorter. Now, our new field `date` can be used in the grid config as follows: ```javascript { fields: [ ... { type: "date", myCustomProperty: "bar" }, ... ] } ``` ## Methods jsGrid methods could be called with `jsGrid` jQuery plugin or directly. To use jsGrid plugin to call a method, just call `jsGrid` with method name and required parameters as next arguments: ```javascript // calling method with jQuery plugin $("#grid").jsGrid("methodName", param1, param2); ``` To call method directly you need to retrieve grid instance or just create grid with the constructor: ```javascript // retrieve grid instance from element data var grid = $("#grid").data("JSGrid"); // create grid with the constructor var grid = new jsGrid.Grid($("#grid"), { ... }); // call method directly grid.methodName(param1, param2); ``` ### cancelEdit() Cancels row editing. ```javascript $("#grid").jsGrid("cancelEdit"); ``` ### clearFilter(): `Promise` Clears current filter and performs search with empty filter. Returns jQuery promise resolved when data filtering is completed. ```javascript $("#grid").jsGrid("clearFilter").done(function() { console.log("filtering completed"); }); ``` ### clearInsert() Clears current inserting row. ```javascript $("#grid").jsGrid("clearInsert"); ``` ### deleteItem(item|$row|rowNode): `Promise` Removes specified row from the grid. Returns jQuery promise resolved when deletion is completed. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. ```javascript // delete row by item reference $("#grid").jsGrid("deleteItem", item); // delete row by jQueryElement $("#grid").jsGrid("deleteItem", $(".specific-row")); // delete row by DomNode $("#grid").jsGrid("deleteItem", rowNode); ``` ### destroy() Destroys the grid and brings the Node to its original state. ```javascript $("#grid").jsGrid("destroy"); ``` ### editItem(item|$row|rowNode) Sets grid editing row. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. ```javascript // edit row by item reference $("#grid").jsGrid("editItem", item); // edit row by jQueryElement $("#grid").jsGrid("editItem", $(".specific-row")); // edit row by DomNode $("#grid").jsGrid("editItem", rowNode); ``` ### getFilter(): `Object` Get grid filter as a plain object. ```javascript var filter = $("#grid").jsGrid("getFilter"); ``` ### getSorting(): `Object` > version added: 1.2 Get grid current sorting params as a plain object with the following format: ```javascript { field, // the name of the field by which grid is sorted order // 'asc' or 'desc' depending on sort order } ``` ```javascript var sorting = $("#grid").jsGrid("getSorting"); ``` ### fieldOption(fieldName|fieldIndex, optionName, [optionValue]) > version added: 1.3 Gets or sets the value of a field option. **fieldName|fieldIndex** is the name or the index of the field to get/set the option value (if the grid contains more than one field with the same name, the first field will be used). **optionName** is the name of the field option. **optionValue** is the new option value to set. If `optionValue` is not specified, then the value of the field option `optionName` will be returned. ```javascript // hide the field "ClientName" $("#grid").jsGrid("fieldOption", "ClientName", "visible", false); // get width of the 2nd field var secondFieldOption = $("#grid").jsGrid("fieldOption", 1, "width"); ``` ### insertItem([item]): `Promise` Inserts row into the grid based on item. Returns jQuery promise resolved when insertion is completed. **item** is the item to pass to `controller.insertItem`. If `item` is not specified the data from inserting row will be inserted. ```javascript // insert item from inserting row $("#grid").jsGrid("insertItem"); // insert item $("#grid").jsGrid("insertItem", { Name: "John", Age: 25, Country: 2 }).done(function() { console.log("insertion completed"); }); ``` ### loadData([filter]): `Promise` Loads data calling corresponding `controller.loadData` method. Returns jQuery promise resolved when data loading is completed. It preserves current sorting and paging unlike the `search` method . **filter** is a filter to pass to `controller.loadData`. If `filter` is not specified the current filter (filtering row values) will be applied. ```javascript // load data with current grid filter $("#grid").jsGrid("loadData"); // loadData with custom filter $("#grid").jsGrid("loadData", { Name: "John" }).done(function() { console.log("data loaded"); }); ``` ### exportData([options]) Transforms the grid data into the specified output type. Output can be formatted, filtered or modified by providing options. Currently only supports CSV output. ```javascript //Basic export var csv = $("#grid").jsGrid("exportData"); //Full Options var csv = $("#grid").jsGrid("exportData", { type: "csv", //Only CSV supported subset: "all" | "visible", //Visible will only output the currently displayed page delimiter: "|", //If using csv, the character to seperate fields includeHeaders: true, //Include header row in output encapsulate: true, //Surround each field with qoutation marks; needed for some systems newline: "\r\n", //Newline character to use //Takes each item and returns true if it should be included in output. //Executed only on the records within the given subset above. filter: function(item){return true}, //Transformations are a way to modify the display value of the output. //Provide a key of the field name, and a function that takes the current value. transformations: { "Married": function(value){ if (value === true){ return "Yes" } else{ return "No" } } } }); ``` ### openPage(pageIndex) Opens the page of specified index. **pageIndex** is one-based index of the page to open. The value should be in range from 1 to [total amount of pages]. ### option(optionName, [optionValue]) Gets or sets the value of an option. **optionName** is the name of the option. **optionValue** is the new option value to set. If `optionValue` is not specified, then the value of the option `optionName` will be returned. ```javascript // turn off paging $("#grid").jsGrid("option", "paging", false); // get current page index var pageIndex = $("#grid").jsGrid("option", "pageIndex"); ``` ### refresh() Refreshes the grid. Renders the grid body and pager content, recalculates sizes. ```javascript $("#grid").jsGrid("refresh"); ``` ### render(): `Promise` Performs complete grid rendering. If option `autoload` is `true` calls `controller.loadData`. The state of the grid like current page and sorting is retained. Returns jQuery promise resolved when data loading is completed. If auto-loading is disabled the promise is instantly resolved. ```javascript $("#grid").jsGrid("render").done(function() { console.log("rendering completed and data loaded"); }); ``` ### reset() Resets the state of the grid. Goes to the first data page, resets sorting, and then calls `refresh`. ```javascript $("#grid").jsGrid("reset"); ``` ### rowByItem(item): `jQueryElement` > version added: 1.3 Gets the row jQuery element corresponding to the item. **item** is the item corresponding to the row. ```javascript var $row = $("#grid").jsGrid("rowByItem", item); ``` ### search([filter]): `Promise` Performs filtering of the grid. Returns jQuery promise resolved when data loading is completed. It resets current sorting and paging unlike the `loadData` method. **filter** is a filter to pass to `controller.loadData`. If `filter` is not specified the current filter (filtering row values) will be applied. ```javascript // search with current grid filter $("#grid").jsGrid("search"); // search with custom filter $("#grid").jsGrid("search", { Name: "John" }).done(function() { console.log("filtering completed"); }); ``` ### showPrevPages() Shows previous set of pages, when total amount of pages more than `pageButtonCount`. ```javascript $("#grid").jsGrid("showPrevPages"); ``` ### showNextPages() Shows next set of pages, when total amount of pages more than `pageButtonCount`. ```javascript $("#grid").jsGrid("showNextPages"); ``` ### sort(sortConfig|field, [order]): `Promise` Sorts grid by specified field. Returns jQuery promise resolved when sorting is completed. **sortConfig** is the plain object of the following structure `{ field: (fieldIndex|fieldName|field), order: ("asc"|"desc") }` **field** is the field to sort by. It could be zero-based field index or field name or field reference **order** is the sorting order. Accepts the following values: "asc"|"desc" If `order` is not specified, then data is sorted in the reversed to current order, when grid is already sorted by the same field. Or `"asc"` for sorting by another field. When grid data is loaded by pages (`pageLoading` is `true`) sorting calls `controller.loadData` with sorting parameters. Read more in [Grid Controller](#grid-controller) section. Set current locale of all grids. **localeName|localeConfig** is the name of the supported locale ('fr', 'es', 'pl', 'ru', 'pt_br') or a custom localization config. Find more information on custom localization config in [Localization](#localization). ```javascript // sorting grid by myField in ascending order $("#grid").jsGrid("sort", myField, "asc").done(function() { console.log("sorting completed"); }); ``` ### updateItem([item|$row|rowNode], [editedItem]): `Promise` Updates item and row of the grid. Returns jQuery promise resolved when update is completed. **item|$row|rowNode** is the reference to the item or the row jQueryElement or the row DomNode. **editedItem** is the changed item to pass to `controller.updateItem`. If `item|$row|rowNode` is not specified then editing row will be updated. If `editedItem` is not specified the data from editing row will be taken. ```javascript // update currently editing row $("#grid").jsGrid("updateItem"); // update currently editing row with specified data $("#grid").jsGrid("updateItem", { ID: 1, Name: "John", Age: 25, Country: 2 }); // update specified item with particular data (row DomNode or row jQueryElement can be used instead of item reference) $("#grid").jsGrid("updateItem", item, { ID: 1, Name: "John", Age: 25, Country: 2 }).done(function() { console.log("update completed"); }); ``` ### jsGrid.locale(localeName|localeConfig) > version added: 1.4 Set current locale of all grids. **localeName|localeConfig** is the name of the supported locale (see [available locales](src/i18n)) or a custom localization config. Find more information on custom localization config in [Localization](#localization). ```javascript // set French locale jsGrid.locale("fr"); ``` ### jsGrid.setDefaults(config) Set default options for all grids. ```javascript jsGrid.setDefaults({ filtering: true, inserting: true }); ``` ### jsGrid.setDefaults(fieldName, config) Set default options of the particular field. ```javascript jsGrid.setDefaults("text", { width: 150, css: "text-field-cls" }); ``` ## Callbacks jsGrid allows to specify a callback function to be executed on a particular event. The following callbacks are supported: ```javascript { onDataLoading: function(args) {}, // before controller.loadData onDataLoaded: function(args) {}, // on done of controller.loadData onDataExporting: function() {}, // before data export onInit: function(args) {}, // after grid initialization onItemInserting: function(args) {}, // before controller.insertItem onItemInserted: function(args) {}, // on done of controller.insertItem onItemUpdating: function(args) {}, // before controller.updateItem onItemUpdated: function(args) {}, // on done of controller.updateItem onItemDeleting: function(args) {}, // before controller.deleteItem onItemDeleted: function(args) {}, // on done of controller.deleteItem onItemInvalid: function(args) {}, // after item validation, in case data is invalid onError: function(args) {}, // on fail of any controller call onOptionChanging: function(args) {}, // before changing the grid option onOptionChanged: function(args) {}, // after changing the grid option onPageChanged: function(args) {}, // after changing the current page onRefreshing: function(args) {}, // before grid refresh onRefreshed: function(args) {}, // after grid refresh } ``` ### onDataLoading Fires before data loading. Has the following arguments: ```javascript { grid // grid instance filter // loading filter object } ``` #### Cancel Data Loading > version added: 1.2 To cancel data loading set `args.cancel = true`. In the following example loading is canceled when the filter has empty 'name' field: ```javascript $("#grid").jsGrid({ ... onDataLoading: function(args) { // cancel loading data if 'name' is empty if(args.filter.name === "") { args.cancel = true; } } }); ``` ### onDataLoaded Fires after data loading. Has the following arguments: ```javascript { grid // grid instance data // load result (array of items or data structure for loading by page scenario) } ``` In the following example the loaded data is written to the browser console. ```javascript $("#grid").jsGrid({ ... onDataLoaded: function(args) { console.log(args.data); } }); ``` ### onInit > version added: 1.5 Fires after grid initialization right before rendering. Usually used to get grid instance. Has the following arguments: ```javascript { grid // grid instance } ``` In the following example we get the grid instance on initialization: ```javascript var gridInstance; $("#grid").jsGrid({ ... onInit: function(args) { gridInstance = args.grid; } }); ``` ### onError Fires when controller handler promise failed. Has the following arguments: ```javascript { grid // grid instance args // an array of arguments provided to fail promise handler } ``` ### onItemDeleting Fires before item deletion. Has the following arguments: ```javascript { grid // grid instance row // deleting row jQuery element item // deleting item itemIndex // deleting item index } ``` #### Cancel Item Deletion > version added: 1.2 To cancel item deletion set `args.cancel = true`. This allows to do a validation before performing the actual deletion. In the following example the deletion of items marked as `protected` is canceled: ```javascript $("#grid").jsGrid({ ... onItemDeleting: function(args) { // cancel deletion of the item with 'protected' field if(args.item.protected) { args.cancel = true; } } }); ``` ### onItemDeleted Fires after item deletion. Has the following arguments: ```javascript { grid // grid instance row // deleted row jQuery element item // deleted item itemIndex // deleted item index } ``` ### onItemEditing > version added: 1.4 Fires before item editing. Has the following arguments: ```javascript { grid // grid instance row // editing row jQuery element item // editing item itemIndex // editing item index } ``` #### Cancel Item Editing To cancel item editing set `args.cancel = true`. This allows to prevent row from editing conditionally. In the following example the editing of the row for item with 'ID' = 0 is canceled: ```javascript $("#grid").jsGrid({ ... onItemEditing: function(args) { // cancel editing of the row of item with field 'ID' = 0 if(args.item.ID === 0) { args.cancel = true; } } }); ``` ### onItemInserting Fires before item insertion. Has the following arguments: ```javascript { grid // grid instance item // inserting item } ``` #### Cancel Item Insertion > version added: 1.2 To cancel item insertion set `args.cancel = true`. This allows to do a validation before performing the actual insertion. In the following example insertion of items with the 'name' specified is allowed: ```javascript $("#grid").jsGrid({ ... onItemInserting: function(args) { // cancel insertion of the item with empty 'name' field if(args.item.name === "") { args.cancel = true; alert("Specify the name of the item!"); } } }); ``` ### onItemInserted Fires after item insertion. Has the following arguments: ```javascript { grid // grid instance item // inserted item } ``` ### onItemInvalid Fired when item is not following validation rules on inserting or updating. Has the following arguments: ```javascript { grid // grid instance row // inserting/editing row jQuery element item // inserting/editing item itemIndex // inserting/editing item index errors // array of validation violations in format { field: "fieldName", message: "validator message" } } ``` The following handler prints errors on the console ```javascript $("#grid").jsGrid({ ... onItemInvalid: function(args) { // prints [{ field: "Name", message: "Enter client name" }] console.log(args.errors); } }); ``` ### onItemUpdating Fires before item update. Has the following arguments: ```javascript { grid // grid instance row // updating row jQuery element item // updating item itemIndex // updating item index previousItem // shallow copy (not deep copy) of item before editing } ``` #### Cancel Item Update > version added: 1.2 To cancel item update set `args.cancel = true`. This allows to do a validation before performing the actual update. In the following example update of items with the 'name' specified is allowed: ```javascript $("#grid").jsGrid({ ... onItemUpdating: function(args) { // cancel update of the item with empty 'name' field if(args.item.name === "") { args.cancel = true; alert("Specify the name of the item!"); } } }); ``` ### onItemUpdated Fires after item update. Has the following arguments: ```javascript { grid // grid instance row // updated row jQuery element item // updated item itemIndex // updated item index previousItem // shallow copy (not deep copy) of item before editing } ``` ### onOptionChanging Fires before grid option value change. Has the following arguments: ```javascript { grid // grid instance option // name of option to be changed oldValue // old value of option newValue // new value of option } ``` ### onOptionChanged Fires after grid option value change. Has the following arguments: ```javascript { grid // grid instance option // name of changed option value // changed option value } ``` ### onPageChanged > version added: 1.5 Fires once grid current page index is changed. It happens either by switching between the pages with the pager links, or by calling the method `openPage`, or changing the option `pageIndex`. Has the following arguments: ```javascript { grid // grid instance pageIndex // current page index } ``` In the following example we print the current page index in the browser console once it has been changed: ```javascript $("#grid").jsGrid({ ... onPageChanged: function(args) { console.log(args.pageIndex); } }); ``` ### onRefreshing Fires before grid refresh. Has the following arguments: ```javascript { grid // grid instance } ``` ### onRefreshed Fires after grid refresh. Has the following arguments: ```javascript { grid // grid instance } ``` ## Grid Controller The controller is a gateway between grid and data storage. All data manipulations call accordant controller methods. By default grid has an empty controller and can work with static array of items stored in option `data`. A controller should implement the following methods: ```javascript { loadData: function(filter) { ... }, insertItem: function(item) { ... }, updateItem: function(item) { ... }, deleteItem: function(item) { ... } } ``` Asynchronous controller methods should return a Promise, resolved once the request is completed. Starting v1.5 jsGrid supports standard JavaScript Promise/A, earlier versions support only jQuery.Promise. For instance the controller for typical REST service might look like: ```javascript { loadData: function(filter) { return $.ajax({ type: "GET", url: "/items", data: filter }); }, insertItem: function(item) { return $.ajax({ type: "POST", url: "/items", data: item }); }, updateItem: function(item) { return $.ajax({ type: "PUT", url: "/items", data: item }); }, deleteItem: function(item) { return $.ajax({ type: "DELETE", url: "/items", data: item }); }, } ``` ### loadData(filter): `Promise|dataResult` Called on data loading. **filter** contains all filter parameters of fields with enabled filtering When `pageLoading` is `true` and data is loaded by page, `filter` includes two more parameters: ```javascript { pageIndex // current page index pageSize // the size of page } ``` When grid sorting is enabled, `filter` includes two more parameters: ```javascript { sortField // the name of sorting field sortOrder // the order of sorting as string "asc"|"desc" } ``` Method should return `dataResult` or jQuery promise that will be resolved with `dataResult`. **dataResult** depends on `pageLoading`. When `pageLoading` is `false` (by default), then data result is a plain javascript array of objects. If `pageLoading` is `true` data result should have following structure ```javascript { data // array of items itemsCount // total items amount in storage } ``` ### insertItem(item): `Promise|insertedItem` Called on item insertion. Method should return `insertedItem` or jQuery promise that will be resolved with `insertedItem`. If no item is returned, inserting item will be used as inserted item. **item** is the item to be inserted. ### updateItem(item): `Promise|updatedItem` Called on item update. Method should return `updatedItem` or jQuery promise that will be resolved with `updatedItem`. If no item is returned, updating item will be used as updated item. **item** is the item to be updated. ### deleteItem(item): `Promise` Called on item deletion. If deletion is asynchronous, method should return jQuery promise that will be resolved when deletion is completed. **item** is the item to be deleted. ## Validation > version added: 1.4 ### Field Validation Config `validate` option of the field can have 4 different value types `string|Object|Array|function`: 1. `validate: "validatorName"` **validatorName** - is a string key of the validator in the `jsGrid.validators` registry. The registry can be easily extended. See available [built-in validators here](#built-in-validators). In the following example the `required` validator is applied: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "text", name: "FieldName", validate: "required" }] }); ``` 2. `validate: validationConfig` **validateConfig** - is a plain object of the following structure: ```javascript { validator: string|function(value, item, param), // built-in validator name or custom validation function message: string|function, // validation message or a function(value, item) returning validation message param: any // a plain object with parameters to be passed to validation function } ``` In the following example the `range` validator is applied with custom validation message and range provided in parameters: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "number", name: "Age", validate: { validator: "range", message: function(value, item) { return "The client age should be between 21 and 80. Entered age is \"" + value + "\" is out of specified range."; }, param: [21, 80] } }] }); ``` 3. `validate: validateArray` **validateArray** - is an array of validators. It can contain * `string` - validator name * `Object` - validator configuration of structure `{ validator, message, param }` * `function` - validation function as `function(value, item)` In the following example the field has three validators: `required`, `range`, and a custom function validator: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "number", name: "Age", validate: [ "required", { validator: "range", param: [21, 80] }, function(value, item) { return item.IsRetired ? value > 55 : true; } ] }] }); ``` 4. `validate: function(value, item, param)` The parameters of the function: * `value` - entered value of the field * `item` - editing/inserting item * `param` - a parameter provided by validator (applicable only when validation config is defined at validation object or an array of objects) In the following example the field has custom validation function: ```javascript $("#grid").jsGrid({ ... fields: [{ type: "text", name: "Phone", validate: function(value, item) { return value.length == 10 && phoneBelongsToCountry(value, item.Country); } }] }); ``` ### Built-in Validators The `jsGrid.validators` object contains all built-in validators. The key of the hash is a validator name and the value is the validator config. `jsGrid.validators` contains the following build-in validators: * **required** - the field value is required * **rangeLength** - the length of the field value is limited by range (the range should be provided as an array in `param` field of validation config) * **minLength** - the minimum length of the field value is limited (the minimum value should be provided in `param` field of validation config) * **maxLength** - the maximum length of the field value is limited (the maximum value should be provided in `param` field of validation config) * **pattern** - the field value should match the defined pattern (the pattern should be provided as a regexp literal or string in `param` field of validation config) * **range** - the value of the number field is limited by range (the range should be provided as an array in `param` field of validation config) * **min** - the minimum value of the number field is limited (the minimum should be provided in `param` field of validation config) * **max** - the maximum value of the number field is limited (the maximum should be provided in `param` field of validation config) ### Custom Validators To define a custom validator just add it to the `jsGrid.validators` object. In the following example a custom validator `time` is registered: ```javascript jsGrid.validators.time = { message: "Please enter a valid time, between 00:00 and 23:59", validator: function(value, item) { return /^([01]\d|2[0-3]|[0-9])(:[0-5]\d){1,2}$/.test(value); } } ``` ## Localization > version added: 1.4 Current locale can be set for all grids on the page with the [`jsGrid.locale(localeName)`](#jsgridlocalelocalenamelocaleconfig) method. New custom locale can be added to `jsGrid.locales` hash like the following: ```javascript jsGrid.locales.my_lang = { // localization config goes here ... }; ``` Here is how localization config looks like for Spanish [i18n/es.js](src/i18n/es.js). Find all available locales [here](src/i18n). ## Sorting Strategies All supported sorting strategies are stored in `jsGrid.sortStrategies` object, where key is a name of the strategy and the value is a `sortingFunction`. `jsGrid.sortStrategies` contains following build-in sorting strategies: ```javascript { string: { ... }, // string sorter number: { ... }, // number sorter date: { ... }, // date sorter numberAsString: { ... } // numbers are parsed before comparison } ``` **sortingFunction** is a sorting function with the following format: ```javascript function(value1, value2) { if(value1 < value2) return -1; // return negative value when first is less than second if(value1 === value2) return 0; // return zero if values are equal if(value1 > value2) return 1; // return positive value when first is greater than second } ``` ### Custom Sorting Strategy If you need a custom sorting strategy, the object `jsGrid.sortStrategies` can be easily extended. In this example we define new sorting strategy for our client objects: ```javascript // clients array var clients = [{ Index: 1, Name: "John", Age: 25 }, ...]; // sort clients by name and then by age jsGrid.sortStrategies.client = function(index1, index2) { var client1 = clients[index1]; var client2 = clients[index2]; return client1.Name.localeCompare(client2.Name) || client1.Age - client2.Age; }; ``` Now, our new sorting strategy `client` can be used in the grid config as follows: ```javascript { fields: [ ... { name: "Index", sorter: "client" }, ... ] } ``` Worth to mention, that if you need particular sorting only once, you can just inline sorting function in `sorter` not registering the new strategy: ```javascript { fields: [ ... { name: "Index", sorter: function(index1, index2) { var client1 = clients[index1]; var client2 = clients[index2]; return client1.Name.localeCompare(client2.Name) || client1.Age - client2.Age; } }, ... ] } ``` ## Load Strategies The behavior of the grid regarding data source interaction is defined by load strategy. The load strategy has the following methods: ```javascript { firstDisplayIndex: function() {}, // returns the index of the first displayed item lastDisplayIndex: function() {}, // returns the index of the last displayed item itemsCount: function() {}, // returns the total amount of grid items openPage: function(index) {}, // handles opening of the particular page loadParams: function() {}, // returns additional parameters for controller.loadData method sort: function() {}, // handles sorting of data in the grid, should return a Promise reset: function() {}, // handles grid refresh on grid reset with 'reset' method call, should return a Promise finishLoad: function(loadedData) {}, // handles the finish of loading data by controller.loadData finishInsert: function(insertedItem) {}, // handles the finish of inserting item by controller.insertItem finishDelete: function(deletedItem, deletedItemIndex) {} // handles the finish of deleting item by controller.deleteItem } ``` There are two build-in load strategies: DirectLoadingStrategy (for `pageLoading=false`) and PageLoadingStrategy (for `pageLoading=true`). ### DirectLoadingStrategy **DirectLoadingStrategy** is used when loading by page is turned off (`pageLoading=false`). It provides the following behavior: - **firstDisplayIndex** returns the index of the first item on the displayed page - **lastDisplayIndex** returns the index of the last item on the displayed page - **itemsCount** returns the actual amount of all the loaded items - **openPage** refreshes the grid to render items of current page - **loadParams** returns empty object, since no extra load params are needed - **sort** sorts data items and refreshes the grid calling `grid.refresh` - **reset** calls `grid.refresh` method to refresh the grid - **finishLoad** puts the data coming from `controller.loadData` into the option `data` of the grid - **finishInsert** pushes new inserted item into the option `data` and refreshes the grid - **finishDelete** removes deleted item from the option `data` and resets the grid ### PageLoadingStrategy **PageLoadingStrategy** is used when data is loaded to the grid by pages (`pageLoading=true`). It provides the following behavior: - **firstDisplayIndex** returns 0, because all loaded items displayed on the current page - **lastDisplayIndex** returns the amount of loaded items, since data loaded by page - **itemsCount** returns `itemsCount` provided by `controller.loadData` (read more in section [controller.loadData](#loaddatafilter-promisedataresult)) - **openPage** calls `grid.loadData` to load data for the current page - **loadParams** returns an object with the structure `{ pageIndex, pageSize }` to provide server with paging info - **sort** calls `grid.loadData` to load sorted data from the server - **reset** calls `grid.loadData` method to refresh the data - **finishLoad** saves `itemsCount` returned by server and puts the `data` into the option `data` of the grid - **finishInsert** calls `grid.search` to reload the data - **finishDelete** calls `grid.search` to reload the data ### Custom LoadStrategy The option `loadStrategy` allows to specify a custom load strategy to customize the behavior of the grid. The easiest way to do it is to inherit from existing strategy. By default DirectLoadingStrategy resets the grid (resets the paging and sorting) when an item is deleted. The following example shows how to create a custom strategy to avoid grid reset on deletion of an item. ```javascript var MyCustomDirectLoadStrategy = function(grid) { jsGrid.loadStrategies.DirectLoadingStrategy.call(this, grid); }; MyCustomDirectLoadStrategy.prototype = new jsGrid.loadStrategies.DirectLoadingStrategy(); MyCustomDirectLoadStrategy.prototype.finishDelete = function(deletedItem, deletedItemIndex) { var grid = this._grid; grid.option("data").splice(deletedItemIndex, 1); grid.refresh(); }; // use custom strategy in grid config $("#grid").jsGrid({ loadStrategy: function() { return new MyCustomDirectLoadStrategy(this); }, ... }); ``` ## Load Indication By default jsGrid uses jsGrid.LoadIndicator. Load indicator can be customized with the `loadIndicator` option. Set an object or a function returning an object supporting the following interface: ```javascript { show: function() { | 1 | Docs: Correct supported locales | 1 | .md | md | mit | tabalinas/jsgrid |
10060709 | <NME> PassportServiceProvider.php
<BEF> <?php
namespace Dusterio\LumenPassport;
use Dusterio\LumenPassport\Console\Commands\Purge;
use Illuminate\Support\ServiceProvider;
use Illuminate\Database\Connection;
/**
* Class CustomQueueServiceProvider
* @package App\Providers
*/
class PassportServiceProvider extends ServiceProvider
{
/**
* Bootstrap any application services.
*
* @return void
*/
public function boot()
{
$this->app->singleton(Connection::class, function() {
return $this->app['db.connection'];
});
if (preg_match('/5\.[67]\.\d+/', $this->app->version())) {
$this->app->singleton(\Illuminate\Hashing\HashManager::class, function ($app) {
return new \Illuminate\Hashing\HashManager($app);
});
}
if ($this->app->runningInConsole()) {
$this->commands([
Purge::class
]);
}
}
/**
* @return void
*/
public function register()
{
}
}
<MSG> Merge pull request #99 from lloricode/laravel-58
Laravel 5.8 compatibility added on check regex
<DFF> @@ -23,7 +23,7 @@ class PassportServiceProvider extends ServiceProvider
return $this->app['db.connection'];
});
- if (preg_match('/5\.[67]\.\d+/', $this->app->version())) {
+ if (preg_match('/5\.[678]\.\d+/', $this->app->version())) {
$this->app->singleton(\Illuminate\Hashing\HashManager::class, function ($app) {
return new \Illuminate\Hashing\HashManager($app);
});
| 1 | Merge pull request #99 from lloricode/laravel-58 | 1 | .php | php | mit | dusterio/lumen-passport |
10060710 | <NME> AccessTokenController.php
<BEF> <?php
namespace Dusterio\LumenPassport\Http\Controllers;
use Laravel\Passport\Passport;
use Laravel\Passport\Token;
use Laminas\Diactoros\Response as Psr7Response;
use Psr\Http\Message\ServerRequestInterface;
use Dusterio\LumenPassport\LumenPassport;
/**
* Class AccessTokenController
* @package Dusterio\LumenPassport\Http\Controllers
*/
class AccessTokenController extends \Laravel\Passport\Http\Controllers\AccessTokenController
{
/**
* Authorize a client to access the user's account.
*
* @param ServerRequestInterface $request
* @return Response
*/
public function issueToken(ServerRequestInterface $request)
{
$response = $this->withErrorHandling(function () use ($request) {
$input = (array) $request->getParsedBody();
$clientId = isset($input['client_id']) ? $input['client_id'] : null;
// Overwrite password grant at the last minute to add support for customized TTLs
$this->server->enableGrantType(
$this->makePasswordGrant(), LumenPassport::tokensExpireIn(null, $clientId)
);
return $this->server->respondToAccessTokenRequest($request, new Psr7Response);
});
if ($response->getStatusCode() < 200 || $response->getStatusCode() > 299) {
return $response;
}
$payload = json_decode($response->getBody()->__toString(), true);
if (isset($payload['access_token'])) {
/* @deprecated the jwt property will be removed in a future Laravel Passport release */
$token = $this->jwt->parse($payload['access_token']);
if (method_exists($token, 'getClaim')) {
$tokenId = $token->getClaim('jti');
} else if (method_exists($token, 'claims')) {
$tokenId = $token->claims()->get('jti');
} else {
throw new \RuntimeException('This package is not compatible with the Laravel Passport version used');
}
$token = $this->tokens->find($tokenId);
if (!$token instanceof Token) {
return $response;
}
if ($token->client->firstParty() && LumenPassport::$allowMultipleTokens) {
// We keep previous tokens for password clients
} else {
$this->revokeOrDeleteAccessTokens($token, $tokenId);
}
}
return $response;
}
/**
* Create and configure a Password grant instance.
*
* @return \League\OAuth2\Server\Grant\PasswordGrant
*/
private function makePasswordGrant()
{
$grant = new \League\OAuth2\Server\Grant\PasswordGrant(
app()->make(\Laravel\Passport\Bridge\UserRepository::class),
app()->make(\Laravel\Passport\Bridge\RefreshTokenRepository::class)
);
*/
protected function revokeOrDeleteAccessTokens(Token $token, $tokenId)
{
$this->tokens->revokeOtherAccessTokens(
$token->client_id, $token->user_id, $tokenId, Passport::$pruneRevokedTokens
);
}
}
if ($tokenId) {
$query->where('id', '<>', $tokenId);
}
$query->update(['revoked' => true]);
}
}
<MSG> r Support for token revokation
<DFF> @@ -80,8 +80,16 @@ class AccessTokenController extends \Laravel\Passport\Http\Controllers\AccessTok
*/
protected function revokeOrDeleteAccessTokens(Token $token, $tokenId)
{
- $this->tokens->revokeOtherAccessTokens(
- $token->client_id, $token->user_id, $tokenId, Passport::$pruneRevokedTokens
- );
+ $query = Token::where('user_id', $token->user_id)->where('client_id', $token->client_id);
+
+ if ($tokenId) {
+ $query->where('id', '<>', $tokenId);
+ }
+
+ if (Passport::$pruneRevokedTokens) {
+ $query->delete();
+ } else {
+ $query->update(['revoked' => true]);
+ }
}
}
| 11 | r Support for token revokation | 3 | .php | php | mit | dusterio/lumen-passport |
10060711 | <NME> .travis.yml
<BEF> ADDFILE
<MSG> Add travis.cl support
<DFF> @@ -0,0 +1,12 @@
+language: node_js
+matrix:
+ include:
+ - node_js: "0.12"
+ - node_js: "0.11"
+ - node_js: "0.10"
+ - node_js: "iojs"
+ - node_js: "iojs-v1.0.4" # earlier version of iojs
+
+script: "mocha -b test"
+
+sudo: false
| 12 | Add travis.cl support | 0 | .yml | travis | mit | mziccard/node-timsort |
10060712 | <NME> jsgrid.tests.js <BEF> $(function() { var Grid = jsGrid.Grid, JSGRID = "JSGrid", JSGRID_DATA_KEY = JSGRID; Grid.prototype.updateOnResize = false; module("basic"); test("default creation", function() { var gridOptions = { simpleOption: "test", complexOption: { a: "subtest", b: 1, c: {} } }, grid = new Grid("#jsGrid", gridOptions); equal(grid._container[0], $("#jsGrid")[0], "container saved"); equal(grid.simpleOption, "test", "primitive option extended"); equal(grid.complexOption, gridOptions.complexOption, "non-primitive option extended"); }); test("jquery adapter creation", function() { var gridOptions = { option: "test" }, $element = $("#jsGrid"), result = $element.jsGrid(gridOptions), grid = $element.data(JSGRID_DATA_KEY); equal(result, $element, "jquery fn returned source jQueryElement"); ok(grid instanceof Grid, "jsGrid saved to jquery data"); equal(grid.option, "test", "options provided"); }); test("destroy", function() { var $element = $("#jsGrid"), grid; $element.jsGrid({}); grid = $element.data(JSGRID_DATA_KEY); grid.destroy(); strictEqual($element.html(), "", "content is removed"); strictEqual($element.data(JSGRID_DATA_KEY), undefined, "jquery data is removed"); }); test("jquery adapter second call changes option value", function() { var $element = $("#jsGrid"), gridOptions = { option: "test" }, grid; $element.jsGrid(gridOptions); grid = $element.data(JSGRID_DATA_KEY); gridOptions.option = "new test"; $element.jsGrid(gridOptions); equal(grid, $element.data(JSGRID_DATA_KEY), "instance was not changed"); equal(grid.option, "new test", "option changed"); }); test("jquery adapter invokes jsGrid method", function() { var methodResult = "", $element = $("#jsGrid"), gridOptions = { method: function(str) { methodResult = "test_" + str; } }; $element.jsGrid(gridOptions); $element.jsGrid("method", "invoke"); equal(methodResult, "test_invoke", "method invoked"); }); test("onInit callback", function() { var $element = $("#jsGrid"), onInitArguments, gridOptions = { onInit: function(args) { onInitArguments = args; } }; var grid = new Grid($element, gridOptions); equal(onInitArguments.grid, grid, "grid instance is provided in onInit callback arguments"); }); test("controller methods are $.noop when not specified", function() { var $element = $("#jsGrid"), gridOptions = { controller: {} }, testOption; $element.jsGrid(gridOptions); deepEqual($element.data(JSGRID_DATA_KEY)._controller, { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop }, "controller has stub methods"); }); test("option method", function() { var $element = $("#jsGrid"), gridOptions = { test: "value" }, testOption; $element.jsGrid(gridOptions); testOption = $element.jsGrid("option", "test"); equal(testOption, "value", "read option value"); $element.jsGrid("option", "test", "new_value"); testOption = $element.jsGrid("option", "test"); equal(testOption, "new_value", "set option value"); }); test("fieldOption method", function() { var dataLoadedCount = 0; var $element = $("#jsGrid"), gridOptions = { loadMessage: "", autoload: true, controller: { loadData: function() { dataLoadedCount++; return [{ prop1: "value1", prop2: "value2", prop3: "value3" }]; } }, fields: [ { name: "prop1", title: "_" } ] }; $element.jsGrid(gridOptions); var fieldOptionValue = $element.jsGrid("fieldOption", "prop1", "name"); equal(fieldOptionValue, "prop1", "read field option"); $element.jsGrid("fieldOption", "prop1", "name", "prop2"); equal($element.text(), "_value2", "set field option by field name"); equal(dataLoadedCount, 1, "data not reloaded on field option change"); $element.jsGrid("fieldOption", 0, "name", "prop3"); equal($element.text(), "_value3", "set field option by field index"); }); test("option changing event handlers", function() { var $element = $("#jsGrid"), optionChangingEventArgs, optionChangedEventArgs, gridOptions = { test: "testValue", another: "anotherValue", onOptionChanging: function(e) { optionChangingEventArgs = $.extend({}, e); e.option = "another"; e.newValue = e.newValue + "_" + this.another; }, onOptionChanged: function(e) { optionChangedEventArgs = $.extend({}, e); } }, anotherOption; $element.jsGrid(gridOptions); $element.jsGrid("option", "test", "newTestValue"); equal(optionChangingEventArgs.option, "test", "option name is provided in args of optionChanging"); equal(optionChangingEventArgs.oldValue, "testValue", "old option value is provided in args of optionChanging"); equal(optionChangingEventArgs.newValue, "newTestValue", "new option value is provided in args of optionChanging"); anotherOption = $element.jsGrid("option", "another"); equal(anotherOption, "newTestValue_anotherValue", "option changing handler changed option and value"); equal(optionChangedEventArgs.option, "another", "option name is provided in args of optionChanged"); equal(optionChangedEventArgs.value, "newTestValue_anotherValue", "option value is provided in args of optionChanged"); }); test("common layout rendering", function() { var $element = $("#jsGrid"), grid = new Grid($element, {}), $headerGrid, $headerGridTable, $bodyGrid, $bodyGridTable; ok($element.hasClass(grid.containerClass), "container class attached"); ok($element.children().eq(0).hasClass(grid.gridHeaderClass), "grid header"); ok($element.children().eq(1).hasClass(grid.gridBodyClass), "grid body"); ok($element.children().eq(2).hasClass(grid.pagerContainerClass), "pager container"); $headerGrid = $element.children().eq(0); $headerGridTable = $headerGrid.children().first(); ok($headerGridTable.hasClass(grid.tableClass), "header table"); equal($headerGrid.find("." + grid.headerRowClass).length, 1, "header row"); equal($headerGrid.find("." + grid.filterRowClass).length, 1, "filter row"); equal($headerGrid.find("." + grid.insertRowClass).length, 1, "insert row"); ok(grid._headerRow.hasClass(grid.headerRowClass), "header row class"); ok(grid._filterRow.hasClass(grid.filterRowClass), "filter row class"); ok(grid._insertRow.hasClass(grid.insertRowClass), "insert row class"); $bodyGrid = $element.children().eq(1); $bodyGridTable = $bodyGrid.children().first(); ok($bodyGridTable.hasClass(grid.tableClass), "body table"); equal(grid._content.parent()[0], $bodyGridTable[0], "content is tbody in body table"); equal($bodyGridTable.find("." + grid.noDataRowClass).length, 1, "no data row"); equal($bodyGridTable.text(), grid.noDataContent, "no data text"); }); test("set default options with setDefaults", function() { jsGrid.setDefaults({ defaultOption: "test" }); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "defaultOption"), "test", "default option set"); }); module("loading"); test("loading with controller", function() { var $element = $("#jsGrid"), data = [ { test: "test1" }, { test: "test2" } ], gridOptions = { controller: { loadData: function() { return data; } } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(grid.option("data"), data, "loadData loads data"); }); test("loadData throws exception when controller method not found", function() { var $element = $("#jsGrid"); var grid = new Grid($element); grid._controller = {}; throws(function() { grid.loadData(); }, /loadData/, "loadData threw an exception"); }); test("onError event should be fired on controller fail", function() { var errorArgs, errorFired = 0, $element = $("#jsGrid"), gridOptions = { controller: { loadData: function() { return $.Deferred().reject({ value: 1 }, "test").promise(); } }, onError: function(args) { errorFired++; errorArgs = args; } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(errorFired, 1, "onError handler fired"); deepEqual(errorArgs, { grid: grid, args: [{ value: 1 }, "test"] }, "error has correct params"); }); asyncTest("autoload should call loadData after render", 1, function() { new Grid($("#jsGrid"), { autoload: true, controller: { loadData: function() { ok(true, "autoload calls loadData on creation"); start(); return []; } } }); }); test("loading filtered data", function() { ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); test("filter get/set/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, { field: "test_another" }, { field: "test" } ], gridOptions = { filtering: true, { name: "field", filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text"); return result; }, filterValue: function(value) { if(!arguments.length) { return this.filterControl.val(); } this.filterControl.val(value); } } ] }, onDataLoaded: function(e) { loadedArgs = $.extend(true, {}, e); grid.fields[0].filterControl.val("test"); deepEqual(grid.getFilter(), { field: "test" }, "get filter"); grid.setFilter({ field: "new test", fieldAdditional: "additional test" }); equal(grid.fields[0].filterControl.val(), "new test", "set filter"); grid.clearFilter(); deepEqual(grid.getFilter(), { field: "" }, "filter cleared"); equal(grid.fields[0].filterControl.val(), "", "grid field filterControl cleared"); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(loadingArgs.filter.field, "test"); equal(grid.option("data").length, 2, "filtered data loaded"); deepEqual(loadedArgs.data, filteredData); }); asyncTest("loading indication", function() { var timeout = 10, stage = "initial", $element = $("#jsGrid"), gridOptions = { loadIndication: true, loadIndicationDelay: timeout, loadMessage: "loading...", loadIndicator: function(config) { equal(config.message, gridOptions.loadMessage, "message provided"); ok(config.container.jquery, "grid container is provided"); return { show: function() { stage = "started"; }, hide: function() { stage = "finished"; } }; }, fields: [ { name: "field" } ], controller: { loadData: function() { var deferred = $.Deferred(); equal(stage, "initial", "initial stage"); setTimeout(function() { equal(stage, "started", "loading started"); deferred.resolve([]); equal(stage, "finished", "loading finished"); start(); }, timeout); return deferred.promise(); } } }, grid = new Grid($element, gridOptions); grid.loadData(); }); asyncTest("loadingIndication=false should not show loading", 0, function() { var $element = $("#jsGrid"), timeout = 10, gridOptions = { loadIndication: false, loadIndicationDelay: timeout, loadIndicator: function() { return { show: function() { ok(false, "should not call show"); }, hide: function() { ok(false, "should not call hide"); } }; }, fields: [ { name: "field" } ], controller: { loadData: function() { var deferred = $.Deferred(); setTimeout(function() { deferred.resolve([]); start(); }, timeout); return deferred.promise(); } } }, grid = new Grid($element, gridOptions); grid.loadData(); }); test("search", function() { var $element = $("#jsGrid"), data = [ { field: "test" }, { field: "test_another" }, { field: "test_another" }, { field: "test" } ], gridOptions = { pageIndex: 2, _sortField: "field", _sortOrder: "desc", filtering: true, fields: [ { name: "field", filterValue: function(value) { return "test"; } } ], controller: { loadData: function(filter) { var filteredData = $.grep(data, function(item) { return item.field === filter.field; }); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.search(); equal(grid.option("data").length, 2, "data filtered"); strictEqual(grid.option("pageIndex"), 1, "pageIndex reset"); strictEqual(grid._sortField, null, "sortField reset"); strictEqual(grid._sortOrder, "asc", "sortOrder reset"); }); test("change loadStrategy on the fly", function() { var $element = $("#jsGrid"); var gridOptions = { controller: { loadData: function() { return []; } } }; var grid = new Grid($element, gridOptions); grid.option("loadStrategy", { firstDisplayIndex: function() { return 0; }, lastDisplayIndex: function() { return 1; }, loadParams: function() { return []; }, finishLoad: function() { grid.option("data", [{}]); } }); grid.loadData(); equal(grid.option("data").length, 1, "new load strategy is applied"); }); module("filtering"); test("filter rendering", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, fields: [ { name: "test", align: "right", filtercss: "filter-class", filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text").addClass("filter-input"); return result; } } ] }, grid = new Grid($element, gridOptions); equal(grid._filterRow.find(".filter-class").length, 1, "filtercss class is attached"); equal(grid._filterRow.find(".filter-input").length, 1, "filter control rendered"); equal(grid._filterRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok(grid._filterRow.find(".filter-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); test("filter get/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, controller: { loadData: function() { return []; } }, fields: [ { name: "field", filterTemplate: function() { return this.filterControl = $("<input>").attr("type", "text"); }, filterValue: function() { return this.filterControl.val(); } } ] }, grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test"); deepEqual(grid.getFilter(), { field: "test" }, "get filter"); grid.clearFilter(); deepEqual(grid.getFilter(), { field: "" }, "filter cleared"); equal(grid.fields[0].filterControl.val(), "", "grid field filterControl cleared"); }); test("field without filtering", function() { var $element = $("#jsGrid"), jsGridFieldConfig = { filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text"); return result; }, filterValue: function(value) { if(!arguments.length) { return this.filterControl.val(); } this.filterControl.val(value); } }, gridOptions = { filtering: true, fields: [ $.extend({}, jsGridFieldConfig, { name: "field1", filtering: false }), $.extend({}, jsGridFieldConfig, { name: "field2" }) ] }, grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test1"); grid.fields[1].filterControl.val("test2"); deepEqual(grid.getFilter(), { field2: "test2" }, "field with filtering=false is not included in filter"); }); test("search with filter", function() { var $element = $("#jsGrid"), data = [ { field: "test" }, { field: "test_another" }, { field: "test_another" }, { field: "test" } ], gridOptions = { fields: [ { name: "field" } ], controller: { loadData: function(filter) { var filteredData = $.grep(data, function(item) { return item.field === filter.field; }); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.search({ field: "test" }); equal(grid.option("data").length, 2, "data filtered"); }); test("filtering with static data should not do actual filtering", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, fields: [ { type: "text", name: "field" } ], data: [ { name: "value1" }, { name: "value2" } ] }, grid = new Grid($element, gridOptions); grid._filterRow.find("input").val("1"); grid.search(); equal(grid.option("data").length, 2, "data is not filtered"); }); module("nodatarow"); test("nodatarow after bind on empty array", function() { var $element = $("#jsGrid"), gridOptions = {}, grid = new Grid($element, gridOptions); grid.option("data", []); equal(grid._content.find("." + grid.noDataRowClass).length, 1, "no data row rendered"); equal(grid._content.find("." + grid.cellClass).length, 1, "grid cell class attached"); equal(grid._content.text(), grid.noDataContent, "no data text rendered"); }); test("nodatarow customize content", function() { var noDataMessage = "NoData Custom Content", $element = $("#jsGrid"), gridOptions = { noDataContent: function() { return noDataMessage; } }, grid = new Grid($element, gridOptions); grid.option("data", []); equal(grid._content.find("." + grid.cellClass).length, 1, "grid cell class attached"); equal(grid._content.text(), noDataMessage, "custom noDataContent"); }); module("row rendering", { setup: function() { this.testData = [ { id: 1, text: "test1" }, { id: 2, text: "test2" }, { id: 3, text: "test3" } ]; } }); test("rows rendered correctly", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData }, grid = new Grid($element, gridOptions); equal(grid._content.children().length, 3, "rows rendered"); equal(grid._content.find("." + grid.oddRowClass).length, 2, "two odd rows for 3 items"); equal(grid._content.find("." + grid.evenRowClass).length, 1, "one even row for 3 items"); }); test("custom rowClass", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData, rowClass: "custom-row-cls" }, grid = new Grid($element, gridOptions); equal(grid._content.find("." + grid.oddRowClass).length, 2); equal(grid._content.find("." + grid.evenRowClass).length, 1); equal(grid._content.find(".custom-row-cls").length, 3, "custom row class"); }); test("custom rowClass callback", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData, rowClass: function(item, index) { return item.text; } }, grid = new Grid($element, gridOptions); equal(grid._content.find("." + grid.oddRowClass).length, 2); equal(grid._content.find("." + grid.evenRowClass).length, 1); equal(grid._content.find(".test1").length, 1, "custom row class"); equal(grid._content.find(".test2").length, 1, "custom row class"); equal(grid._content.find(".test3").length, 1, "custom row class"); }); test("rowClick standard handler", function() { var $element = $("#jsGrid"), $secondRow, grid = new Grid($element, { editing: true }); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("click", $.Event($secondRow)); equal(grid._editingRow.get(0), $secondRow.get(0), "clicked row is editingRow"); }); test("rowClick handler", function() { var rowClickArgs, $element = $("#jsGrid"), $secondRow, gridOptions = { rowClick: function(args) { rowClickArgs = args; } }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("click", $.Event($secondRow)); ok(rowClickArgs.event instanceof jQuery.Event, "jquery event arg"); equal(rowClickArgs.item, this.testData[1], "item arg"); equal(rowClickArgs.itemIndex, 1, "itemIndex arg"); }); test("row selecting with selectedRowClass", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { selecting: true }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("mouseenter", $.Event($secondRow)); ok($secondRow.hasClass(grid.selectedRowClass), "mouseenter adds selectedRowClass"); $secondRow.trigger("mouseleave", $.Event($secondRow)); ok(!$secondRow.hasClass(grid.selectedRowClass), "mouseleave removes selectedRowClass"); }); test("no row selecting while selection is disabled", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { selecting: false }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("mouseenter", $.Event($secondRow)); ok(!$secondRow.hasClass(grid.selectedRowClass), "mouseenter doesn't add selectedRowClass"); }); test("refreshing and refreshed callbacks", function() { var refreshingEventArgs, refreshedEventArgs, $element = $("#jsGrid"), grid = new Grid($element, {}); grid.onRefreshing = function(e) { refreshingEventArgs = e; equal(grid._content.find("." + grid.oddRowClass).length, 0, "no items before refresh"); }; grid.onRefreshed = function(e) { refreshedEventArgs = e; equal(grid._content.find("." + grid.oddRowClass).length, 2, "items rendered after refresh"); }; grid.option("data", this.testData); equal(refreshingEventArgs.grid, grid, "grid provided in args for refreshing event"); equal(refreshedEventArgs.grid, grid, "grid provided in args for refreshed event"); equal(grid._content.find("." + grid.oddRowClass).length, 2, "items rendered"); }); test("grid fields normalization", function() { var CustomField = function(config) { $.extend(true, this, config); }; jsGrid.fields.custom = CustomField; try { var $element = $("#jsGrid"), gridOptions = { fields: [ new jsGrid.Field({ name: "text1", title: "title1" }), { name: "text2", title: "title2" }, { name: "text3", type: "custom" } ] }, grid = new Grid($element, gridOptions); var field1 = grid.fields[0]; ok(field1 instanceof jsGrid.Field); equal(field1.name, "text1", "name is set for field"); equal(field1.title, "title1", "title field"); var field2 = grid.fields[1]; ok(field2 instanceof jsGrid.Field); equal(field2.name, "text2", "name is set for field"); equal(field2.title, "title2", "title field"); var field3 = grid.fields[2]; ok(field3 instanceof CustomField); equal(field3.name, "text3", "name is set for field"); } finally { delete jsGrid.fields.custom; } }); test("'0' itemTemplate should be rendered", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}], fields: [ new jsGrid.Field({ name: "id", itemTemplate: function() { return 0; } }) ] }); equal(grid._bodyGrid.text(), "0", "item template is rendered"); }); test("grid field name used for header if title is not specified", function() { var $element = $("#jsGrid"), grid = new Grid($element, { fields: [ new jsGrid.Field({ name: "id" }) ] }); equal(grid._headerRow.text(), "id", "name is rendered in header"); }); test("grid fields header and item rendering", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { fields: [ new jsGrid.Field({ name: "text", title: "title", css: "cell-class", headercss: "header-class", align: "right" }) ] }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); equal(grid._headerRow.text(), "title", "header rendered"); equal(grid._headerRow.find("." + grid.headerCellClass).length, 1, "header cell class is attached"); equal(grid._headerRow.find(".header-class").length, 1, "headercss class is attached"); ok(grid._headerRow.find(".header-class").hasClass("jsgrid-align-right"), "align class is attached"); $secondRow = grid._content.find("." + grid.evenRowClass); equal($secondRow.text(), "test2", "item rendered"); equal($secondRow.find(".cell-class").length, 1, "css class added to cell"); equal($secondRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok($secondRow.find(".cell-class").hasClass("jsgrid-align-right"), "align class added to cell"); }); test("grid field cellRenderer", function() { var testItem = { text: "test" }, args; var $grid = $("#jsGrid"); var gridOptions = { data: [testItem], fields: [ { name: "text", cellRenderer: function(value, item) { args = { value: value, item: item }; return $("<td>").addClass("custom-class").text(value); } } ] }; var grid = new Grid($grid, gridOptions); var $customCell = $grid.find(".custom-class"); equal($customCell.length, 1, "custom cell rendered"); equal($customCell.text(), "test"); deepEqual(args, { value: "test", item: testItem }, "cellRenderer args provided"); }); test("grid field 'visible' option", function() { var $grid = $("#jsGrid"); var gridOptions = { editing: true, fields: [ { name: "id", visible: false }, { name: "test" } ] }; var grid = new Grid($grid, gridOptions); equal($grid.find("." + grid.noDataRowClass).children().eq(0).prop("colspan"), 1, "no data row colspan only for visible cells"); grid.option("data", this.testData); grid.editItem(this.testData[2]); equal($grid.find("." + grid.headerRowClass).children().length, 1, "header single cell"); equal($grid.find("." + grid.filterRowClass).children().length, 1, "filter single cell"); equal($grid.find("." + grid.insertRowClass).children().length, 1, "insert single cell"); equal($grid.find("." + grid.editRowClass).children().length, 1, "edit single cell"); equal($grid.find("." + grid.oddRowClass).eq(0).children().length, 1, "odd data row single cell"); equal($grid.find("." + grid.evenRowClass).eq(0).children().length, 1, "even data row single cell"); }); module("inserting"); test("inserting rendering", function() { var $element = $("#jsGrid"), gridOptions = { inserting: true, fields: [ { name: "test", align: "right", insertcss: "insert-class", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text").addClass("insert-input"); return result; } } ] }, grid = new Grid($element, gridOptions); equal(grid._insertRow.find(".insert-class").length, 1, "insertcss class is attached"); equal(grid._insertRow.find(".insert-input").length, 1, "insert control rendered"); equal(grid._insertRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok(grid._insertRow.find(".insert-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].insertControl.is("input[type=text]"), "insert control saved in field"); }); test("field without inserting", function() { var $element = $("#jsGrid"), jsGridFieldConfig = { insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } }, gridOptions = { inserting: true, fields: [ $.extend({}, jsGridFieldConfig, { name: "field1", inserting: false }), $.extend({}, jsGridFieldConfig, { name: "field2" }) ] }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test1"); grid.fields[1].insertControl.val("test2"); deepEqual(grid._getInsertItem(), { field2: "test2" }, "field with inserting=false is not included in inserting item"); }); test("insert data with default location", function() { var $element = $("#jsGrid"), inserted = false, insertingArgs, insertedArgs, gridOptions = { inserting: true, data: [{field: "default"}], fields: [ { name: "field", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } } ], onItemInserting: function(e) { insertingArgs = $.extend(true, {}, e); }, onItemInserted: function(e) { insertedArgs = $.extend(true, {}, e); }, controller: { insertItem: function() { inserted = true; } } }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(insertingArgs.item.field, "test", "field is provided in inserting args"); equal(grid.option("data").length, 2, "data is inserted"); ok(inserted, "controller insertItem was called"); deepEqual(grid.option("data")[1], { field: "test" }, "correct data is inserted"); equal(insertedArgs.item.field, "test", "field is provided in inserted args"); }); test("insert data with specified insert location", function() { var $element = $("#jsGrid"), inserted = false, insertingArgs, insertedArgs, gridOptions = { inserting: true, insertRowLocation: "top", data: [{field: "default"}], fields: [ { name: "field", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } } ], onItemInserting: function(e) { insertingArgs = $.extend(true, {}, e); }, onItemInserted: function(e) { insertedArgs = $.extend(true, {}, e); }, controller: { insertItem: function() { inserted = true; } } }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(insertingArgs.item.field, "test", "field is provided in inserting args"); equal(grid.option("data").length, 2, "data is inserted"); ok(inserted, "controller insertItem was called"); deepEqual(grid.option("data")[0], { field: "test" }, "correct data is inserted at the beginning"); equal(insertedArgs.item.field, "test", "field is provided in inserted args"); }); test("insertItem accepts item to insert", function() { var $element = $("#jsGrid"), itemToInsert = { field: "test" }, insertedItem, gridOptions = { data: [], fields: [ { name: "field" } ], controller: { insertItem: function(item) { insertedItem = item; } } }, grid = new Grid($element, gridOptions); grid.insertItem(itemToInsert); deepEqual(grid.option("data")[0], itemToInsert, "data is inserted"); deepEqual(insertedItem, itemToInsert, "controller insertItem was called with correct item"); }); module("editing"); test("editing rendering", function() { var $element = $("#jsGrid"), $editRow, data = [{ test: "value" }], gridOptions = { editing: true, fields: [ { name: "test", align: "right", editcss: "edit-class", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value).addClass("edit-input"); return result; } } ] }, grid = new Grid($element, gridOptions); grid.option("data", data); equal(grid._content.find("." + grid.editRowClass).length, 0, "no edit row after initial rendering"); grid.editItem(data[0]); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); equal($editRow.find(".edit-class").length, 1, "editcss class is attached"); equal($editRow.find(".edit-input").length, 1, "edit control rendered"); equal($editRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok($editRow.find(".edit-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].editControl.is("input[type=text]"), "edit control saved in field"); equal(grid.fields[0].editControl.val(), "value", "edit control value"); }); test("editItem accepts row to edit", function() { var $element = $("#jsGrid"), $editRow, data = [ { test: "value" } ], gridOptions = { editing: true, fields: [ { name: "test" } ] }, grid = new Grid($element, gridOptions); grid.option("data", data); var $row = $element.find("." + grid.oddRowClass).eq(0); grid.editItem($row); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); grid.cancelEdit(); grid.editItem($row.get(0)); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); }); test("edit item", function() { var $element = $("#jsGrid"), editingArgs, editingRow, updated = false, updatingArgs, updatingRow, updatedRow, updatedArgs, data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateItem: function(updatingItem) { updated = true; } }, onItemEditing: function(e) { editingArgs = $.extend(true, {}, e); editingRow = grid.rowByItem(data[0])[0]; }, onItemUpdating: function(e) { updatingArgs = $.extend(true, {}, e); updatingRow = grid.rowByItem(data[0])[0]; }, onItemUpdated: function(e) { updatedArgs = $.extend(true, {}, e); updatedRow = grid.rowByItem(data[0])[0]; } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); deepEqual(editingArgs.item, { field: "value" }, "item before editing is provided in editing event args"); equal(editingArgs.itemIndex, 0, "itemIndex is provided in editing event args"); equal(editingArgs.row[0], editingRow, "row element is provided in editing event args"); grid.fields[0].editControl.val("new value"); grid.updateItem(); deepEqual(updatingArgs.previousItem, { field: "value" }, "item before editing is provided in updating event args"); deepEqual(updatingArgs.item, { field: "new value" }, "updating item is provided in updating event args"); equal(updatingArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(updatingArgs.row[0], updatingRow, "row element is provided in updating event args"); ok(updated, "controller updateItem called"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); equal(grid._content.find("." + grid.editRowClass).length, 0, "edit row removed"); equal(grid._content.find("." + grid.oddRowClass).length, 1, "data row rendered"); deepEqual(updatedArgs.previousItem, { field: "value" }, "item before editing is provided in updated event args"); deepEqual(updatedArgs.item, { field: "new value" }, "updated item is provided in updated event args"); equal(updatedArgs.itemIndex, 0, "itemIndex is provided in updated event args"); equal(updatedArgs.row[0], updatedRow, "row element is provided in updated event args"); }); test("failed update should not change original item", function() { var $element = $("#jsGrid"), data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateItem: function(updatingItem) { return $.Deferred().reject(); } } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); grid.fields[0].editControl.val("new value"); grid.updateItem(); deepEqual(grid.option("data")[0], { field: "value" }, "value is not updated"); }); test("cancel edit", function() { var $element = $("#jsGrid"), updated = false, cancellingArgs, cancellingRow, data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateData: function(updatingItem) { updated = true; } }, onItemEditCancelling: function(e) { cancellingArgs = $.extend(true, {}, e); cancellingRow = grid.rowByItem(data[0])[0]; } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); grid.fields[0].editControl.val("new value"); grid.cancelEdit(); deepEqual(cancellingArgs.item, { field: "value" }, "item before cancel is provided in cancelling event args"); equal(cancellingArgs.itemIndex, 0, "itemIndex is provided in cancelling event args"); equal(cancellingArgs.row[0], cancellingRow, "row element is provided in cancelling event args"); ok(!updated, "controller updateItem was not called"); deepEqual(grid.option("data")[0], { field: "value" }, "data were not updated"); equal(grid._content.find("." + grid.editRowClass).length, 0, "edit row removed"); equal(grid._content.find("." + grid.oddRowClass).length, 1, "data row restored"); }); test("updateItem accepts item to update and new item", function() { var $element = $("#jsGrid"), updatingItem, data = [{ field: "value" }], gridOptions = { fields: [ { name: "field" } ], controller: { updateItem: function(item) { return updatingItem = item; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.updateItem(data[0], { field: "new value" }); deepEqual(updatingItem, { field: "new value" }, "controller updateItem called correctly"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); }); test("updateItem accepts single argument - item to update", function() { var $element = $("#jsGrid"), updatingItem, data = [{ field: "value" }], gridOptions = { fields: [ { name: "field" } ], controller: { updateItem: function(item) { return updatingItem = item; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); data[0].field = "new value"; grid.updateItem(data[0]); deepEqual(updatingItem, { field: "new value" }, "controller updateItem called correctly"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); }); test("editRowRenderer", function() { var $element = $("#jsGrid"), data = [ { value: "test" } ], gridOptions = { data: data, editing: true, editRowRenderer: function(item, itemIndex) { return $("<tr>").addClass("custom-edit-row").append($("<td>").text(itemIndex + ":" + item.value)); }, fields: [ { name: "value" } ] }, grid = new Grid($element, gridOptions); grid.editItem(data[0]); var $editRow = grid._content.find(".custom-edit-row"); equal($editRow.length, 1, "edit row rendered"); equal($editRow.text(), "0:test", "custom edit row renderer rendered"); }); module("deleting"); test("delete item", function() { var $element = $("#jsGrid"), deleted = false, deletingArgs, deletedArgs, data = [{ field: "value" }], gridOptions = { confirmDeleting: false, fields: [ { name: "field" } ], controller: { deleteItem: function(deletingItem) { deleted = true; } }, onItemDeleting: function(e) { deletingArgs = $.extend(true, {}, e); }, onItemDeleted: function(e) { deletedArgs = $.extend(true, {}, e); } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.deleteItem(data[0]); deepEqual(deletingArgs.item, { field: "value" }, "field and value is provided in deleting event args"); equal(deletingArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(deletingArgs.row.length, 1, "row element is provided in updating event args"); ok(deleted, "controller deleteItem called"); equal(grid.option("data").length, 0, "data row deleted"); deepEqual(deletedArgs.item, { field: "value" }, "item is provided in updating event args"); equal(deletedArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(deletedArgs.row.length, 1, "row element is provided in updating event args"); }); test("deleteItem accepts row", function() { var $element = $("#jsGrid"), deletedItem, itemToDelete = { field: "value" }, data = [itemToDelete], gridOptions = { confirmDeleting: false, fields: [ { name: "field" } ], controller: { deleteItem: function(deletingItem) { deletedItem = deletingItem; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); var $row = $element.find("." + grid.oddRowClass).eq(0); grid.deleteItem($row); deepEqual(deletedItem, itemToDelete, "controller deleteItem called correctly"); equal(grid.option("data").length, 0, "data row deleted"); }); module("paging"); test("pager is rendered if necessary", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}, {}], paging: false, pageSize: 2 }); ok(grid._pagerContainer.is(":hidden"), "pager is hidden when paging=false"); equal(grid._pagerContainer.html(), "", "pager is not rendered when paging=false"); grid.option("paging", true); ok(grid._pagerContainer.is(":visible"), "pager is visible when paging=true"); ok(grid._pagerContainer.html(), "pager is rendered when paging=true"); grid.option("data", [{}, {}]); ok(grid._pagerContainer.is(":hidden"), "pager is hidden for single page"); ok(grid._pagerContainer.html(), "pager is rendered for single page when paging=true"); }); test("external pagerContainer", function() { var $pagerContainer = $("<div>").appendTo("#qunit-fixture").hide(), $element = $("#jsGrid"); new Grid($element, { data: [{}, {}, {}], pagerContainer: $pagerContainer, paging: true, pageSize: 2 }); ok($pagerContainer.is(":visible"), "external pager shown"); ok($pagerContainer.html(), "external pager rendered"); }); test("pager functionality", function() { var $element = $("#jsGrid"), pager, pageChangedArgs, grid = new Grid($element, { data: [{}, {}, {}, {}, {}, {}, {}, {}, {}], onPageChanged: function(args) { pageChangedArgs = args; }, paging: true, pageSize: 2, pageButtonCount: 3 }); equal(grid._pagesCount(), 5, "correct page count"); equal(grid.option("pageIndex"), 1, "pageIndex is initialized"); equal(grid._firstDisplayingPage, 1, "_firstDisplayingPage is initialized"); pager = grid._pagerContainer; equal(pager.find("." + grid.currentPageClass).length, 1, "there is one current page"); ok(pager.find("." + grid.pageClass).eq(0).hasClass(grid.currentPageClass), "first page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); equal(pager.find("." + grid.pagerNavButtonClass).length, 5, "five nav buttons displayed: Fisrt Prev Next Last ..."); equal(pager.find("." + grid.pagerNavButtonInactiveClass).length, 2, "two nav buttons inactive: Fisrt Prev"); grid.openPage(2); equal(pager.find("." + grid.currentPageClass).length, 1, "there is one current page"); ok(pager.find("." + grid.pageClass).eq(1).hasClass(grid.currentPageClass), "second page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); equal(pager.find("." + grid.pagerNavButtonClass).length, 5, "five nav buttons displayed: First Prev Next Last and ..."); equal(pageChangedArgs.pageIndex, 2, "onPageChanged callback provides pageIndex in arguments"); grid.showNextPages(); equal(grid._firstDisplayingPage, 3, "navigate by pages forward"); grid.showPrevPages(); equal(grid._firstDisplayingPage, 1, "navigate by pages backward"); grid.openPage(5); equal(grid._firstDisplayingPage, 3, "opening next non-visible page moves first displaying page forward"); grid.openPage(2); equal(grid._firstDisplayingPage, 2, "opening prev non-visible page moves first displaying page backward"); }); test("pager format", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}, {}, {}, {}, {}], paging: true, pageSize: 2, pageIndex: 2, pageButtonCount: 1, pagerFormat: "a {pageIndex} {first} {prev} {pages} {next} {last} {pageCount} {itemCount} z", pagePrevText: "<", pageNextText: ">", pageFirstText: "<<", pageLastText: ">>", pageNavigatorNextText: "np", pageNavigatorPrevText: "pp" }); grid._firstDisplayingPage = 2; grid._refreshPager(); equal($.trim(grid._pagerContainer.text()), "a 2 << < pp2np > >> 3 6 z", "pager text follows the format specified"); }); test("pagerRenderer", function() { var $element = $("#jsGrid"); var pagerRendererConfig; var pageSize = 2; var items = [{}, {}, {}, {}, {}, {}, {}]; var pageCount = Math.ceil(items.length / pageSize); var grid = new Grid($element, { data: items, paging: true, pageSize: pageSize, pagerRenderer: function(pagerConfig) { pagerRendererConfig = pagerConfig; } }); deepEqual(pagerRendererConfig, { pageIndex: 1, pageCount: pageCount }); grid.openPage(2); deepEqual(pagerRendererConfig, { pageIndex: 2, pageCount: pageCount }); }); test("loading by page", function() { var $element = $("#jsGrid"), data = [], itemCount = 20; for(var i = 1; i <= itemCount; i += 1) { data.push({ value: i }); } var gridOptions = { pageLoading: true, paging: true, pageSize: 7, fields: [ { name: "value" } ], controller: { loadData: function(filter) { var startIndex = (filter.pageIndex - 1) * filter.pageSize, result = data.slice(startIndex, startIndex + filter.pageSize); return { data: result, itemsCount: data.length }; } } }; var grid = new Grid($element, gridOptions); grid.loadData(); var pager = grid._pagerContainer; var gridData = grid.option("data"); equal(gridData.length, 7, "loaded one page of data"); equal(gridData[0].value, 1, "loaded right data start value"); equal(gridData[gridData.length - 1].value, 7, "loaded correct data end value"); ok(pager.find("." + grid.pageClass).eq(0).hasClass(grid.currentPageClass), "first page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); grid.openPage(3); gridData = grid.option("data"); equal(gridData.length, 6, "loaded last page of data"); equal(gridData[0].value, 15, "loaded right data start value"); equal(gridData[gridData.length - 1].value, 20, "loaded right data end value"); ok(pager.find("." + grid.pageClass).eq(2).hasClass(grid.currentPageClass), "third page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); }); test("'openPage' method ignores indexes out of range", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}], paging: true, pageSize: 1 }); grid.openPage(0); equal(grid.option("pageIndex"), 1, "too small index is ignored"); grid.openPage(3); equal(grid.option("pageIndex"), 1, "too big index is ignored"); }); module("sorting"); test("sorting", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortOrder, "asc", "asc sorting order for first click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 1); equal(gridData[1].value, 2); equal(gridData[2].value, 3); ok($th.hasClass(grid.sortableClass)); ok($th.hasClass(grid.sortAscClass)); $th.trigger("click"); equal(grid._sortOrder, "desc", "desc sorting order for second click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); ok(!$th.hasClass(grid.sortAscClass)); ok($th.hasClass(grid.sortDescClass)); }); test("sorting with pageLoading", function() { var $element = $("#jsGrid"), loadFilter, gridOptions = { sorting: true, pageLoading: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], controller: { loadData: function(filter) { loadFilter = filter; return { itemsCount: 0, data: [] }; } }, fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortOrder, "asc", "asc sorting order for first click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(loadFilter.sortOrder, "asc", "sort direction is provided in loadFilter"); equal(loadFilter.sortField, "value", "sort field is provided in loadFilter"); $th.trigger("click"); equal(grid._sortOrder, "desc", "desc sorting order for second click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(loadFilter.sortOrder, "desc", "sort direction is provided in loadFilter"); equal(loadFilter.sortField, "value", "sort field is provided in loadFilter"); }); test("no sorting for column with sorting = false", function() { var $element = $("#jsGrid"); var gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorting: false } ] }; var grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortField, null, "sort field is not set for the field with sorting=false"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); equal($th.hasClass(grid.sortableClass), false, "no sorting css for field with sorting=false"); equal($th.hasClass(grid.sortAscClass), false, "no sorting css for field with sorting=false"); }); test("sort accepts sorting config", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var gridData = grid.option("data"); grid.sort({ field: "value", order: "asc" }); equal(grid._sortOrder, "asc", "asc sorting order is set"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 1); equal(gridData[1].value, 2); equal(gridData[2].value, 3); grid.sort({ field: 0 }); equal(grid._sortOrder, "desc", "desc sorting order for already set asc sorting"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); grid.sort("value", "asc"); equal(grid._sortOrder, "asc", "asc sorting order is set"); equal(grid._sortField, grid.fields[0], "sort field is set"); grid.sort(0); equal(grid._sortOrder, "desc", "desc sorting order for already set asc sorting"); equal(grid._sortField, grid.fields[0], "sort field is set"); }); test("getSorting returns current sorting", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); deepEqual(grid.getSorting(), { field: undefined, order: undefined }, "undefined field and order before sorting"); grid.sort("value"); deepEqual(grid.getSorting(), { field: "value", order: "asc" }, "current sorting returned"); }); test("sorting css attached correctly when a field is hidden", function() { var $element = $("#jsGrid"); var gridOptions = { sorting: true, data: [], fields: [ { name: "field1", visible: false }, { name: "field2" } ] }; var grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal($th.hasClass(grid.sortAscClass), true, "sorting css is attached to first field"); }); module("canceling events"); test("cancel item edit", function() { var $element = $("#jsGrid"); var data = [{}]; var gridOptions = { editing: true, onItemEditing: function(e) { e.cancel = true; }, controller: { loadData: function() { return data; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.loadData(); grid.editItem(data[0]); strictEqual(grid._editingRow, null, "no editing row"); }); test("cancel controller.loadData", function() { var $element = $("#jsGrid"); var gridOptions = { onDataLoading: function(e) { e.cancel = true; }, controller: { loadData: function() { return [{}]; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.loadData(); equal(grid.option("data").length, 0, "no data loaded"); }); test("cancel controller.insertItem", function() { var $element = $("#jsGrid"); var insertedItem = null; var gridOptions = { onItemInserting: function(e) { e.cancel = true; }, controller: { insertItem: function(item) { insertedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.insertItem({ test: "value" }); strictEqual(insertedItem, null, "item was not inserted"); }); test("cancel controller.updateItem", function() { var $element = $("#jsGrid"); var updatedItem = null; var existingItem = { test: "value" }; var gridOptions = { data: [ existingItem ], onItemUpdating: function(e) { e.cancel = true; }, controller: { updateItem: function(item) { updatedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.updateItem(existingItem, { test: "new_value" }); strictEqual(updatedItem, null, "item was not updated"); }); test("cancel controller.deleteItem", function() { var $element = $("#jsGrid"); var deletingItem = { test: "value" }; var deletedItem = null; var gridOptions = { data: [ deletingItem ], confirmDeleting: false, onItemDeleting: function(e) { e.cancel = true; }, controller: { deleteItem: function(item) { deletedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.deleteItem(deletingItem); strictEqual(deletedItem, null, "item was not deleted"); }); module("complex properties binding"); test("rendering", function() { var $element = $("#jsGrid"); var gridOptions = { loadMessage: "", data: [ { complexProp: { prop: "test" } } ], fields: [ { name: "complexProp.prop", title: "" } ] }; new Grid($element, gridOptions); equal($element.text(), "test", "complex property value rendered"); }); test("editing", function() { var $element = $("#jsGrid"); var gridOptions = { editing: true, data: [ { complexProp: { prop: "test" } } ], fields: [ { type: "text", name: "complexProp.prop" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); equal(grid.fields[0].editControl.val(), "test", "complex property value set in editor"); }); test("should not fail if property is absent", function() { var $element = $("#jsGrid"); var gridOptions = { loadMessage: "", data: [ { complexProp: { } } ], fields: [ { name: "complexProp.subprop.prop", title: "" } ] }; new Grid($element, gridOptions); equal($element.text(), "", "rendered empty value"); }); test("inserting", function() { var $element = $("#jsGrid"); var insertingItem; var gridOptions = { inserting: true, fields: [ { type: "text", name: "complexProp.prop" } ], onItemInserting: function(args) { insertingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); deepEqual(insertingItem, { complexProp: { prop: "test" } }, "inserting item has complex properties"); }); test("filtering", function() { var $element = $("#jsGrid"); var loadFilter; var gridOptions = { filtering: true, fields: [ { type: "text", name: "complexProp.prop" } ], controller: { loadData: function(filter) { loadFilter = filter; } } }; var grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test"); grid.search(); deepEqual(loadFilter, { complexProp: { prop: "test" } }, "filter has complex properties"); }); test("updating", function() { var $element = $("#jsGrid"); var updatingItem; var gridOptions = { editing: true, data: [ { complexProp: { } } ], fields: [ { type: "text", name: "complexProp.prop" } ], onItemUpdating: function(args) { updatingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test"); grid.updateItem(); deepEqual(updatingItem, { complexProp: { prop: "test" } }, "updating item has complex properties"); }); test("update nested prop", function() { var $element = $("#jsGrid"); var updatingItem; var previousItem; var gridOptions = { editing: true, data: [ { prop: { subprop1: "test1", subprop2: "test2" } } ], fields: [ { type: "text", name: "prop.subprop1" }, { type: "text", name: "prop.subprop2" } ], onItemUpdating: function(args) { updatingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("new_test1"); grid.updateItem(); var expectedUpdatingItem = { prop: { subprop1: "new_test1", subprop2: "test2" } }; deepEqual(updatingItem, expectedUpdatingItem, "updating item has nested properties"); }); test("updating deeply nested prop", function() { var $element = $("#jsGrid"); var updatingItem; var previousItem; var gridOptions = { editing: true, data: [ { complexProp: { subprop1: { another_prop: "test" } } } ], fields: [ { type: "text", name: "complexProp.subprop1.prop1" }, { type: "text", name: "complexProp.subprop1.subprop2.prop12" } ], onItemUpdating: function(args) { updatingItem = $.extend(true, {}, args.item); previousItem = $.extend(true, {}, args.previousItem); } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test1"); grid.fields[1].editControl.val("test2"); grid.updateItem(); var expectedUpdatingItem = { complexProp: { subprop1: { another_prop: "test", prop1: "test1", subprop2: { prop12: "test2" } } } }; var expectedPreviousItem = { complexProp: { subprop1: { another_prop: "test" } } }; deepEqual(updatingItem, expectedUpdatingItem, "updating item has deeply nested properties"); deepEqual(previousItem, expectedPreviousItem, "previous item preserved correctly"); }); module("validation"); test("insertItem should call validation.validate", function() { var $element = $("#jsGrid"); var fieldValidationRules = { test: "value" }; var validatingArgs; var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function(args) { validatingArgs = args; return []; } }, fields: [ { type: "text", name: "Name", validate: fieldValidationRules } ] }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); deepEqual(validatingArgs, { value: "test", item: { Name: "test" }, itemIndex: -1, row: grid._insertRow, rules: fieldValidationRules }, "validating args is provided"); }); test("insertItem rejected when data is not valid", function() { var $element = $("#jsGrid"); var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem().done(function() { ok(false, "insertItem should not be completed"); }).fail(function() { ok(true, "insertItem should fail"); }); }); test("invalidClass is attached on invalid cell on inserting", function() { var $element = $("#jsGrid"); var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Id", visible: false }, { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); var $insertCell = grid._insertRow.children().eq(0); grid.insertItem(); ok($insertCell.hasClass(grid.invalidClass), "invalid class is attached"); equal($insertCell.attr("title"), "Error", "cell tooltip contains error message"); }); test("onItemInvalid callback", function() { var $element = $("#jsGrid"); var errors = ["Error"]; var onItemInvalidCalled = 0; var onItemInvalidArgs; var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, onItemInvalid: function(args) { onItemInvalidCalled++; onItemInvalidArgs = args; }, validation: { validate: function(args) { return !args.value ? errors : []; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.insertItem(); equal(onItemInvalidCalled, 1, "onItemInvalid is called, when item data is invalid"); deepEqual(onItemInvalidArgs, { grid: grid, errors: [{ field: grid.fields[0], message: "Error" }], item: { Name: "" }, itemIndex: -1, row: grid._insertRow }, "arguments provided"); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(onItemInvalidCalled, 1, "onItemInvalid was not called, when data is valid"); }); test("invalidNotify", function() { var $element = $("#jsGrid"); var errors = ["Error"]; var invalidNotifyCalled = 0; var invalidNotifyArgs; var gridOptions = { data: [], inserting: true, invalidNotify: function(args) { invalidNotifyCalled++; invalidNotifyArgs = args; }, validation: { validate: function(args) { return !args.value ? errors : []; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.insertItem(); equal(invalidNotifyCalled, 1, "invalidNotify is called, when item data is invalid"); deepEqual(invalidNotifyArgs, { grid: grid, errors: [{ field: grid.fields[0], message: "Error" }], row: grid._insertRow, item: { Name: "" }, itemIndex: -1 }, "arguments provided"); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(invalidNotifyCalled, 1, "invalidNotify was not called, when data is valid"); }); test("invalidMessage", function() { var $element = $("#jsGrid"); var invalidMessage; var originalAlert = window.alert; window.alert = function(message) { invalidMessage = message; }; try { Grid.prototype.invalidMessage = "InvalidTest"; Grid.prototype.invalidNotify({ errors: [{ message: "Message1" }, { message: "Message2" }] }); var expectedInvalidMessage = ["InvalidTest", "Message1", "Message2"].join("\n"); equal(invalidMessage, expectedInvalidMessage, "message contains invalidMessage and field error messages"); } finally { window.alert = originalAlert; } }); test("updateItem should call validation.validate", function() { var $element = $("#jsGrid"); var validatingArgs; var gridOptions = { data: [{ Name: "" }], editing: true, invalidNotify: $.noop, validation: { validate: function(args) { validatingArgs = args; return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: "required" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test"); grid.updateItem(); deepEqual(validatingArgs, { value: "test", item: { Name: "test" }, itemIndex: 0, row: grid._getEditRow(), rules: "required" }, "validating args is provided"); }); test("invalidClass is attached on invalid cell on updating", function() { var $element = $("#jsGrid"); var gridOptions = { data: [{}], editing: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); var $editCell = grid._getEditRow().children().eq(0); grid.updateItem(); ok($editCell.hasClass(grid.invalidClass), "invalid class is attached"); equal($editCell.attr("title"), "Error", "cell tooltip contains error message"); }); test("validation should ignore not editable fields", function() { var invalidNotifyCalled = 0; var $element = $("#jsGrid"); var validatingArgs; var gridOptions = { data: [{ Name: "" }], editing: true, invalidNotify: function() { invalidNotifyCalled++; }, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", editing: false, validate: "required" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.updateItem(); equal(invalidNotifyCalled, 0, "data is valid"); }); module("api"); test("reset method should go the first page when pageLoading is truned on", function() { var items = [{ Name: "1" }, { Name: "2" }]; var $element = $("#jsGrid"); var gridOptions = { paging: true, pageSize: 1, pageLoading: true, autoload: true, controller: { loadData: function(args) { return { data: [items[args.pageIndex - 1]], itemsCount: items.length }; } }, fields: [ { type: "text", name: "Name" } ] }; var grid = new Grid($element, gridOptions); grid.openPage(2); grid.reset(); equal(grid._bodyGrid.text(), "1", "grid content reset"); }); module("i18n"); test("set locale by name", function() { jsGrid.locales.my_lang = { grid: { test: "test_text" } }; jsGrid.locale("my_lang"); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "test"), "test_text", "option localized"); }); test("set locale by config", function() { jsGrid.locale( { grid: { test: "test_text" } }); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "test"), "test_text", "option localized"); }); test("locale throws exception for unknown locale", function() { throws(function() { jsGrid.locale("unknown_lang"); }, /unknown_lang/, "locale threw an exception"); }); module("controller promise"); asyncTest("should support jQuery promise success callback", 1, function() { var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { var d = $.Deferred(); setTimeout(function() { d.resolve(data); start(); }); return d.promise(); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); asyncTest("should support jQuery promise fail callback", 1, function() { var failArgs = {}; var gridOptions = { autoload: false, controller: { loadData: function() { var d = $.Deferred(); setTimeout(function() { d.reject(failArgs); start(); }); return d.promise(); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.fail(function(result) { equal(result, failArgs, "fail args provided to fail callback"); }); }); asyncTest("should support JS promise success callback", 1, function() { if(typeof Promise === "undefined") { ok(true, "Promise not supported"); start(); return; } var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { return new Promise(function(resolve, reject) { setTimeout(function() { resolve(data); start(); }); }); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); asyncTest("should support JS promise fail callback", 1, function() { if(typeof Promise === "undefined") { ok(true, "Promise not supported"); start(); return; } var failArgs = {}; var gridOptions = { autoload: false, controller: { loadData: function() { return new Promise(function(resolve, reject) { setTimeout(function() { reject(failArgs); start(); }); }); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.fail(function(result) { equal(result, failArgs, "fail args provided to fail callback"); }); }); test("should support non-promise result", 1, function() { var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { return data; } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); module("renderTemplate"); test("should pass undefined and null arguments to the renderer", function() { var rendererArgs; var rendererContext; var context = {}; var renderer = function() { rendererArgs = arguments; rendererContext = this; }; Grid.prototype.renderTemplate(renderer, context, { arg1: undefined, arg2: null, arg3: "test" }); equal(rendererArgs.length, 3); strictEqual(rendererArgs[0], undefined, "undefined passed"); strictEqual(rendererArgs[1], null, "null passed"); strictEqual(rendererArgs[2], "test", "null passed"); strictEqual(rendererContext, context, "context is preserved"); }); module("Data Export", { setup: function() { this.exportConfig = {}; this.exportConfig.type = "csv"; this.exportConfig.subset = "all"; this.exportConfig.delimiter = "|"; this.exportConfig.includeHeaders = true; this.exportConfig.encapsulate = true; this.element = $("#jsGrid"); this.gridOptions = { width: "100%", height: "400px", inserting: true, editing: true, sorting: true, paging: true, pageSize: 2, data: [ { "Name": "Otto Clay", "Country": 1, "Married": false }, { "Name": "Connor Johnston", "Country": 2, "Married": true }, { "Name": "Lacey Hess", "Country": 2, "Married": false }, { "Name": "Timothy Henson", "Country": 1, "Married": true } ], fields: [ { name: "Name", type: "text", width: 150, validate: "required" }, { name: "Country", type: "select", items: [{ Name: "United States", Id: 1 },{ Name: "Canada", Id: 2 }], valueField: "Id", textField: "Name" }, { name: "Married", type: "checkbox", title: "Is Married", sorting: false }, { type: "control" } ] } } }); /* Base Choice Criteria type: csv subset: all delimiter: | includeHeaders: true encapsulate: true */ test("Should export data: Base Choice",function(){ var grid = new Grid($(this.element), this.gridOptions); var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV configured to Base Choice Criteria -- Check Source"); }); test("Should export data: defaults = BCC",function(){ var grid = new Grid($(this.element), this.gridOptions); var data = grid.exportData(); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV with all defaults -- Should be equal to Base Choice"); }); test("Should export data: subset=visible", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.subset = "visible"; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; //expected += '"Lacey Hess"|"Canada"|"false"\r\n'; //expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV of visible records"); }); test("Should export data: delimiter=;", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.delimiter = ";"; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name";"Country";"Is Married"\r\n'; expected += '"Otto Clay";"United States";"false"\r\n'; expected += '"Connor Johnston";"Canada";"true"\r\n'; expected += '"Lacey Hess";"Canada";"false"\r\n'; expected += '"Timothy Henson";"United States";"true"\r\n'; equal(data, expected, "Output CSV with non-default delimiter"); }); test("Should export data: headers=false", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.includeHeaders = false; var data = grid.exportData(this.exportConfig); var expected = ""; //expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV without Headers"); }); test("Should export data: encapsulate=false", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.encapsulate = false; var data = grid.exportData(this.exportConfig); var expected = ""; expected += 'Name|Country|Is Married\r\n'; expected += 'Otto Clay|United States|false\r\n'; expected += 'Connor Johnston|Canada|true\r\n'; expected += 'Lacey Hess|Canada|false\r\n'; expected += 'Timothy Henson|United States|true\r\n'; equal(data, expected, "Output CSV without encapsulation"); }); test("Should export filtered data", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig['filter'] = function(item){ if (item["Name"].indexOf("O") === 0) return true }; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; //expected += '"Connor Johnston"|"Canada"|"true"\r\n'; //expected += '"Lacey Hess"|"Canada"|"false"\r\n'; //expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV filtered to show names starting with O"); }); test("Should export data: transformed value", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig['transforms'] = {}; this.exportConfig.transforms['Married'] = function(value){ if (value === true) return "Yes" if (value === false) return "No" }; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"No"\r\n'; expected += '"Connor Johnston"|"Canada"|"Yes"\r\n'; expected += '"Lacey Hess"|"Canada"|"No"\r\n'; expected += '"Timothy Henson"|"United States"|"Yes"\r\n'; equal(data, expected, "Output CSV column value transformed properly"); }); }); <MSG> Filtering: Remove 'setFilter' api method <DFF> @@ -317,7 +317,7 @@ $(function() { ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); - test("filter get/set/clear", function() { + test("filter get/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, @@ -330,14 +330,10 @@ $(function() { { name: "field", filterTemplate: function() { - var result = this.filterControl = $("<input>").attr("type", "text"); - return result; + return this.filterControl = $("<input>").attr("type", "text"); }, - filterValue: function(value) { - if(!arguments.length) { - return this.filterControl.val(); - } - this.filterControl.val(value); + | 4 | Filtering: Remove 'setFilter' api method | 14 | .js | tests | mit | tabalinas/jsgrid |
10060713 | <NME> jsgrid.tests.js <BEF> $(function() { var Grid = jsGrid.Grid, JSGRID = "JSGrid", JSGRID_DATA_KEY = JSGRID; Grid.prototype.updateOnResize = false; module("basic"); test("default creation", function() { var gridOptions = { simpleOption: "test", complexOption: { a: "subtest", b: 1, c: {} } }, grid = new Grid("#jsGrid", gridOptions); equal(grid._container[0], $("#jsGrid")[0], "container saved"); equal(grid.simpleOption, "test", "primitive option extended"); equal(grid.complexOption, gridOptions.complexOption, "non-primitive option extended"); }); test("jquery adapter creation", function() { var gridOptions = { option: "test" }, $element = $("#jsGrid"), result = $element.jsGrid(gridOptions), grid = $element.data(JSGRID_DATA_KEY); equal(result, $element, "jquery fn returned source jQueryElement"); ok(grid instanceof Grid, "jsGrid saved to jquery data"); equal(grid.option, "test", "options provided"); }); test("destroy", function() { var $element = $("#jsGrid"), grid; $element.jsGrid({}); grid = $element.data(JSGRID_DATA_KEY); grid.destroy(); strictEqual($element.html(), "", "content is removed"); strictEqual($element.data(JSGRID_DATA_KEY), undefined, "jquery data is removed"); }); test("jquery adapter second call changes option value", function() { var $element = $("#jsGrid"), gridOptions = { option: "test" }, grid; $element.jsGrid(gridOptions); grid = $element.data(JSGRID_DATA_KEY); gridOptions.option = "new test"; $element.jsGrid(gridOptions); equal(grid, $element.data(JSGRID_DATA_KEY), "instance was not changed"); equal(grid.option, "new test", "option changed"); }); test("jquery adapter invokes jsGrid method", function() { var methodResult = "", $element = $("#jsGrid"), gridOptions = { method: function(str) { methodResult = "test_" + str; } }; $element.jsGrid(gridOptions); $element.jsGrid("method", "invoke"); equal(methodResult, "test_invoke", "method invoked"); }); test("onInit callback", function() { var $element = $("#jsGrid"), onInitArguments, gridOptions = { onInit: function(args) { onInitArguments = args; } }; var grid = new Grid($element, gridOptions); equal(onInitArguments.grid, grid, "grid instance is provided in onInit callback arguments"); }); test("controller methods are $.noop when not specified", function() { var $element = $("#jsGrid"), gridOptions = { controller: {} }, testOption; $element.jsGrid(gridOptions); deepEqual($element.data(JSGRID_DATA_KEY)._controller, { loadData: $.noop, insertItem: $.noop, updateItem: $.noop, deleteItem: $.noop }, "controller has stub methods"); }); test("option method", function() { var $element = $("#jsGrid"), gridOptions = { test: "value" }, testOption; $element.jsGrid(gridOptions); testOption = $element.jsGrid("option", "test"); equal(testOption, "value", "read option value"); $element.jsGrid("option", "test", "new_value"); testOption = $element.jsGrid("option", "test"); equal(testOption, "new_value", "set option value"); }); test("fieldOption method", function() { var dataLoadedCount = 0; var $element = $("#jsGrid"), gridOptions = { loadMessage: "", autoload: true, controller: { loadData: function() { dataLoadedCount++; return [{ prop1: "value1", prop2: "value2", prop3: "value3" }]; } }, fields: [ { name: "prop1", title: "_" } ] }; $element.jsGrid(gridOptions); var fieldOptionValue = $element.jsGrid("fieldOption", "prop1", "name"); equal(fieldOptionValue, "prop1", "read field option"); $element.jsGrid("fieldOption", "prop1", "name", "prop2"); equal($element.text(), "_value2", "set field option by field name"); equal(dataLoadedCount, 1, "data not reloaded on field option change"); $element.jsGrid("fieldOption", 0, "name", "prop3"); equal($element.text(), "_value3", "set field option by field index"); }); test("option changing event handlers", function() { var $element = $("#jsGrid"), optionChangingEventArgs, optionChangedEventArgs, gridOptions = { test: "testValue", another: "anotherValue", onOptionChanging: function(e) { optionChangingEventArgs = $.extend({}, e); e.option = "another"; e.newValue = e.newValue + "_" + this.another; }, onOptionChanged: function(e) { optionChangedEventArgs = $.extend({}, e); } }, anotherOption; $element.jsGrid(gridOptions); $element.jsGrid("option", "test", "newTestValue"); equal(optionChangingEventArgs.option, "test", "option name is provided in args of optionChanging"); equal(optionChangingEventArgs.oldValue, "testValue", "old option value is provided in args of optionChanging"); equal(optionChangingEventArgs.newValue, "newTestValue", "new option value is provided in args of optionChanging"); anotherOption = $element.jsGrid("option", "another"); equal(anotherOption, "newTestValue_anotherValue", "option changing handler changed option and value"); equal(optionChangedEventArgs.option, "another", "option name is provided in args of optionChanged"); equal(optionChangedEventArgs.value, "newTestValue_anotherValue", "option value is provided in args of optionChanged"); }); test("common layout rendering", function() { var $element = $("#jsGrid"), grid = new Grid($element, {}), $headerGrid, $headerGridTable, $bodyGrid, $bodyGridTable; ok($element.hasClass(grid.containerClass), "container class attached"); ok($element.children().eq(0).hasClass(grid.gridHeaderClass), "grid header"); ok($element.children().eq(1).hasClass(grid.gridBodyClass), "grid body"); ok($element.children().eq(2).hasClass(grid.pagerContainerClass), "pager container"); $headerGrid = $element.children().eq(0); $headerGridTable = $headerGrid.children().first(); ok($headerGridTable.hasClass(grid.tableClass), "header table"); equal($headerGrid.find("." + grid.headerRowClass).length, 1, "header row"); equal($headerGrid.find("." + grid.filterRowClass).length, 1, "filter row"); equal($headerGrid.find("." + grid.insertRowClass).length, 1, "insert row"); ok(grid._headerRow.hasClass(grid.headerRowClass), "header row class"); ok(grid._filterRow.hasClass(grid.filterRowClass), "filter row class"); ok(grid._insertRow.hasClass(grid.insertRowClass), "insert row class"); $bodyGrid = $element.children().eq(1); $bodyGridTable = $bodyGrid.children().first(); ok($bodyGridTable.hasClass(grid.tableClass), "body table"); equal(grid._content.parent()[0], $bodyGridTable[0], "content is tbody in body table"); equal($bodyGridTable.find("." + grid.noDataRowClass).length, 1, "no data row"); equal($bodyGridTable.text(), grid.noDataContent, "no data text"); }); test("set default options with setDefaults", function() { jsGrid.setDefaults({ defaultOption: "test" }); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "defaultOption"), "test", "default option set"); }); module("loading"); test("loading with controller", function() { var $element = $("#jsGrid"), data = [ { test: "test1" }, { test: "test2" } ], gridOptions = { controller: { loadData: function() { return data; } } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(grid.option("data"), data, "loadData loads data"); }); test("loadData throws exception when controller method not found", function() { var $element = $("#jsGrid"); var grid = new Grid($element); grid._controller = {}; throws(function() { grid.loadData(); }, /loadData/, "loadData threw an exception"); }); test("onError event should be fired on controller fail", function() { var errorArgs, errorFired = 0, $element = $("#jsGrid"), gridOptions = { controller: { loadData: function() { return $.Deferred().reject({ value: 1 }, "test").promise(); } }, onError: function(args) { errorFired++; errorArgs = args; } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(errorFired, 1, "onError handler fired"); deepEqual(errorArgs, { grid: grid, args: [{ value: 1 }, "test"] }, "error has correct params"); }); asyncTest("autoload should call loadData after render", 1, function() { new Grid($("#jsGrid"), { autoload: true, controller: { loadData: function() { ok(true, "autoload calls loadData on creation"); start(); return []; } } }); }); test("loading filtered data", function() { ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); test("filter get/set/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, { field: "test_another" }, { field: "test" } ], gridOptions = { filtering: true, { name: "field", filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text"); return result; }, filterValue: function(value) { if(!arguments.length) { return this.filterControl.val(); } this.filterControl.val(value); } } ] }, onDataLoaded: function(e) { loadedArgs = $.extend(true, {}, e); grid.fields[0].filterControl.val("test"); deepEqual(grid.getFilter(), { field: "test" }, "get filter"); grid.setFilter({ field: "new test", fieldAdditional: "additional test" }); equal(grid.fields[0].filterControl.val(), "new test", "set filter"); grid.clearFilter(); deepEqual(grid.getFilter(), { field: "" }, "filter cleared"); equal(grid.fields[0].filterControl.val(), "", "grid field filterControl cleared"); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.loadData(); equal(loadingArgs.filter.field, "test"); equal(grid.option("data").length, 2, "filtered data loaded"); deepEqual(loadedArgs.data, filteredData); }); asyncTest("loading indication", function() { var timeout = 10, stage = "initial", $element = $("#jsGrid"), gridOptions = { loadIndication: true, loadIndicationDelay: timeout, loadMessage: "loading...", loadIndicator: function(config) { equal(config.message, gridOptions.loadMessage, "message provided"); ok(config.container.jquery, "grid container is provided"); return { show: function() { stage = "started"; }, hide: function() { stage = "finished"; } }; }, fields: [ { name: "field" } ], controller: { loadData: function() { var deferred = $.Deferred(); equal(stage, "initial", "initial stage"); setTimeout(function() { equal(stage, "started", "loading started"); deferred.resolve([]); equal(stage, "finished", "loading finished"); start(); }, timeout); return deferred.promise(); } } }, grid = new Grid($element, gridOptions); grid.loadData(); }); asyncTest("loadingIndication=false should not show loading", 0, function() { var $element = $("#jsGrid"), timeout = 10, gridOptions = { loadIndication: false, loadIndicationDelay: timeout, loadIndicator: function() { return { show: function() { ok(false, "should not call show"); }, hide: function() { ok(false, "should not call hide"); } }; }, fields: [ { name: "field" } ], controller: { loadData: function() { var deferred = $.Deferred(); setTimeout(function() { deferred.resolve([]); start(); }, timeout); return deferred.promise(); } } }, grid = new Grid($element, gridOptions); grid.loadData(); }); test("search", function() { var $element = $("#jsGrid"), data = [ { field: "test" }, { field: "test_another" }, { field: "test_another" }, { field: "test" } ], gridOptions = { pageIndex: 2, _sortField: "field", _sortOrder: "desc", filtering: true, fields: [ { name: "field", filterValue: function(value) { return "test"; } } ], controller: { loadData: function(filter) { var filteredData = $.grep(data, function(item) { return item.field === filter.field; }); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.search(); equal(grid.option("data").length, 2, "data filtered"); strictEqual(grid.option("pageIndex"), 1, "pageIndex reset"); strictEqual(grid._sortField, null, "sortField reset"); strictEqual(grid._sortOrder, "asc", "sortOrder reset"); }); test("change loadStrategy on the fly", function() { var $element = $("#jsGrid"); var gridOptions = { controller: { loadData: function() { return []; } } }; var grid = new Grid($element, gridOptions); grid.option("loadStrategy", { firstDisplayIndex: function() { return 0; }, lastDisplayIndex: function() { return 1; }, loadParams: function() { return []; }, finishLoad: function() { grid.option("data", [{}]); } }); grid.loadData(); equal(grid.option("data").length, 1, "new load strategy is applied"); }); module("filtering"); test("filter rendering", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, fields: [ { name: "test", align: "right", filtercss: "filter-class", filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text").addClass("filter-input"); return result; } } ] }, grid = new Grid($element, gridOptions); equal(grid._filterRow.find(".filter-class").length, 1, "filtercss class is attached"); equal(grid._filterRow.find(".filter-input").length, 1, "filter control rendered"); equal(grid._filterRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok(grid._filterRow.find(".filter-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); test("filter get/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, controller: { loadData: function() { return []; } }, fields: [ { name: "field", filterTemplate: function() { return this.filterControl = $("<input>").attr("type", "text"); }, filterValue: function() { return this.filterControl.val(); } } ] }, grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test"); deepEqual(grid.getFilter(), { field: "test" }, "get filter"); grid.clearFilter(); deepEqual(grid.getFilter(), { field: "" }, "filter cleared"); equal(grid.fields[0].filterControl.val(), "", "grid field filterControl cleared"); }); test("field without filtering", function() { var $element = $("#jsGrid"), jsGridFieldConfig = { filterTemplate: function() { var result = this.filterControl = $("<input>").attr("type", "text"); return result; }, filterValue: function(value) { if(!arguments.length) { return this.filterControl.val(); } this.filterControl.val(value); } }, gridOptions = { filtering: true, fields: [ $.extend({}, jsGridFieldConfig, { name: "field1", filtering: false }), $.extend({}, jsGridFieldConfig, { name: "field2" }) ] }, grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test1"); grid.fields[1].filterControl.val("test2"); deepEqual(grid.getFilter(), { field2: "test2" }, "field with filtering=false is not included in filter"); }); test("search with filter", function() { var $element = $("#jsGrid"), data = [ { field: "test" }, { field: "test_another" }, { field: "test_another" }, { field: "test" } ], gridOptions = { fields: [ { name: "field" } ], controller: { loadData: function(filter) { var filteredData = $.grep(data, function(item) { return item.field === filter.field; }); return filteredData; } } }, grid = new Grid($element, gridOptions); grid.search({ field: "test" }); equal(grid.option("data").length, 2, "data filtered"); }); test("filtering with static data should not do actual filtering", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, fields: [ { type: "text", name: "field" } ], data: [ { name: "value1" }, { name: "value2" } ] }, grid = new Grid($element, gridOptions); grid._filterRow.find("input").val("1"); grid.search(); equal(grid.option("data").length, 2, "data is not filtered"); }); module("nodatarow"); test("nodatarow after bind on empty array", function() { var $element = $("#jsGrid"), gridOptions = {}, grid = new Grid($element, gridOptions); grid.option("data", []); equal(grid._content.find("." + grid.noDataRowClass).length, 1, "no data row rendered"); equal(grid._content.find("." + grid.cellClass).length, 1, "grid cell class attached"); equal(grid._content.text(), grid.noDataContent, "no data text rendered"); }); test("nodatarow customize content", function() { var noDataMessage = "NoData Custom Content", $element = $("#jsGrid"), gridOptions = { noDataContent: function() { return noDataMessage; } }, grid = new Grid($element, gridOptions); grid.option("data", []); equal(grid._content.find("." + grid.cellClass).length, 1, "grid cell class attached"); equal(grid._content.text(), noDataMessage, "custom noDataContent"); }); module("row rendering", { setup: function() { this.testData = [ { id: 1, text: "test1" }, { id: 2, text: "test2" }, { id: 3, text: "test3" } ]; } }); test("rows rendered correctly", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData }, grid = new Grid($element, gridOptions); equal(grid._content.children().length, 3, "rows rendered"); equal(grid._content.find("." + grid.oddRowClass).length, 2, "two odd rows for 3 items"); equal(grid._content.find("." + grid.evenRowClass).length, 1, "one even row for 3 items"); }); test("custom rowClass", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData, rowClass: "custom-row-cls" }, grid = new Grid($element, gridOptions); equal(grid._content.find("." + grid.oddRowClass).length, 2); equal(grid._content.find("." + grid.evenRowClass).length, 1); equal(grid._content.find(".custom-row-cls").length, 3, "custom row class"); }); test("custom rowClass callback", function() { var $element = $("#jsGrid"), gridOptions = { data: this.testData, rowClass: function(item, index) { return item.text; } }, grid = new Grid($element, gridOptions); equal(grid._content.find("." + grid.oddRowClass).length, 2); equal(grid._content.find("." + grid.evenRowClass).length, 1); equal(grid._content.find(".test1").length, 1, "custom row class"); equal(grid._content.find(".test2").length, 1, "custom row class"); equal(grid._content.find(".test3").length, 1, "custom row class"); }); test("rowClick standard handler", function() { var $element = $("#jsGrid"), $secondRow, grid = new Grid($element, { editing: true }); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("click", $.Event($secondRow)); equal(grid._editingRow.get(0), $secondRow.get(0), "clicked row is editingRow"); }); test("rowClick handler", function() { var rowClickArgs, $element = $("#jsGrid"), $secondRow, gridOptions = { rowClick: function(args) { rowClickArgs = args; } }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("click", $.Event($secondRow)); ok(rowClickArgs.event instanceof jQuery.Event, "jquery event arg"); equal(rowClickArgs.item, this.testData[1], "item arg"); equal(rowClickArgs.itemIndex, 1, "itemIndex arg"); }); test("row selecting with selectedRowClass", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { selecting: true }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("mouseenter", $.Event($secondRow)); ok($secondRow.hasClass(grid.selectedRowClass), "mouseenter adds selectedRowClass"); $secondRow.trigger("mouseleave", $.Event($secondRow)); ok(!$secondRow.hasClass(grid.selectedRowClass), "mouseleave removes selectedRowClass"); }); test("no row selecting while selection is disabled", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { selecting: false }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); $secondRow = grid._content.find("." + grid.evenRowClass); $secondRow.trigger("mouseenter", $.Event($secondRow)); ok(!$secondRow.hasClass(grid.selectedRowClass), "mouseenter doesn't add selectedRowClass"); }); test("refreshing and refreshed callbacks", function() { var refreshingEventArgs, refreshedEventArgs, $element = $("#jsGrid"), grid = new Grid($element, {}); grid.onRefreshing = function(e) { refreshingEventArgs = e; equal(grid._content.find("." + grid.oddRowClass).length, 0, "no items before refresh"); }; grid.onRefreshed = function(e) { refreshedEventArgs = e; equal(grid._content.find("." + grid.oddRowClass).length, 2, "items rendered after refresh"); }; grid.option("data", this.testData); equal(refreshingEventArgs.grid, grid, "grid provided in args for refreshing event"); equal(refreshedEventArgs.grid, grid, "grid provided in args for refreshed event"); equal(grid._content.find("." + grid.oddRowClass).length, 2, "items rendered"); }); test("grid fields normalization", function() { var CustomField = function(config) { $.extend(true, this, config); }; jsGrid.fields.custom = CustomField; try { var $element = $("#jsGrid"), gridOptions = { fields: [ new jsGrid.Field({ name: "text1", title: "title1" }), { name: "text2", title: "title2" }, { name: "text3", type: "custom" } ] }, grid = new Grid($element, gridOptions); var field1 = grid.fields[0]; ok(field1 instanceof jsGrid.Field); equal(field1.name, "text1", "name is set for field"); equal(field1.title, "title1", "title field"); var field2 = grid.fields[1]; ok(field2 instanceof jsGrid.Field); equal(field2.name, "text2", "name is set for field"); equal(field2.title, "title2", "title field"); var field3 = grid.fields[2]; ok(field3 instanceof CustomField); equal(field3.name, "text3", "name is set for field"); } finally { delete jsGrid.fields.custom; } }); test("'0' itemTemplate should be rendered", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}], fields: [ new jsGrid.Field({ name: "id", itemTemplate: function() { return 0; } }) ] }); equal(grid._bodyGrid.text(), "0", "item template is rendered"); }); test("grid field name used for header if title is not specified", function() { var $element = $("#jsGrid"), grid = new Grid($element, { fields: [ new jsGrid.Field({ name: "id" }) ] }); equal(grid._headerRow.text(), "id", "name is rendered in header"); }); test("grid fields header and item rendering", function() { var $element = $("#jsGrid"), $secondRow, gridOptions = { fields: [ new jsGrid.Field({ name: "text", title: "title", css: "cell-class", headercss: "header-class", align: "right" }) ] }, grid = new Grid($element, gridOptions); grid.option("data", this.testData); equal(grid._headerRow.text(), "title", "header rendered"); equal(grid._headerRow.find("." + grid.headerCellClass).length, 1, "header cell class is attached"); equal(grid._headerRow.find(".header-class").length, 1, "headercss class is attached"); ok(grid._headerRow.find(".header-class").hasClass("jsgrid-align-right"), "align class is attached"); $secondRow = grid._content.find("." + grid.evenRowClass); equal($secondRow.text(), "test2", "item rendered"); equal($secondRow.find(".cell-class").length, 1, "css class added to cell"); equal($secondRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok($secondRow.find(".cell-class").hasClass("jsgrid-align-right"), "align class added to cell"); }); test("grid field cellRenderer", function() { var testItem = { text: "test" }, args; var $grid = $("#jsGrid"); var gridOptions = { data: [testItem], fields: [ { name: "text", cellRenderer: function(value, item) { args = { value: value, item: item }; return $("<td>").addClass("custom-class").text(value); } } ] }; var grid = new Grid($grid, gridOptions); var $customCell = $grid.find(".custom-class"); equal($customCell.length, 1, "custom cell rendered"); equal($customCell.text(), "test"); deepEqual(args, { value: "test", item: testItem }, "cellRenderer args provided"); }); test("grid field 'visible' option", function() { var $grid = $("#jsGrid"); var gridOptions = { editing: true, fields: [ { name: "id", visible: false }, { name: "test" } ] }; var grid = new Grid($grid, gridOptions); equal($grid.find("." + grid.noDataRowClass).children().eq(0).prop("colspan"), 1, "no data row colspan only for visible cells"); grid.option("data", this.testData); grid.editItem(this.testData[2]); equal($grid.find("." + grid.headerRowClass).children().length, 1, "header single cell"); equal($grid.find("." + grid.filterRowClass).children().length, 1, "filter single cell"); equal($grid.find("." + grid.insertRowClass).children().length, 1, "insert single cell"); equal($grid.find("." + grid.editRowClass).children().length, 1, "edit single cell"); equal($grid.find("." + grid.oddRowClass).eq(0).children().length, 1, "odd data row single cell"); equal($grid.find("." + grid.evenRowClass).eq(0).children().length, 1, "even data row single cell"); }); module("inserting"); test("inserting rendering", function() { var $element = $("#jsGrid"), gridOptions = { inserting: true, fields: [ { name: "test", align: "right", insertcss: "insert-class", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text").addClass("insert-input"); return result; } } ] }, grid = new Grid($element, gridOptions); equal(grid._insertRow.find(".insert-class").length, 1, "insertcss class is attached"); equal(grid._insertRow.find(".insert-input").length, 1, "insert control rendered"); equal(grid._insertRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok(grid._insertRow.find(".insert-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].insertControl.is("input[type=text]"), "insert control saved in field"); }); test("field without inserting", function() { var $element = $("#jsGrid"), jsGridFieldConfig = { insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } }, gridOptions = { inserting: true, fields: [ $.extend({}, jsGridFieldConfig, { name: "field1", inserting: false }), $.extend({}, jsGridFieldConfig, { name: "field2" }) ] }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test1"); grid.fields[1].insertControl.val("test2"); deepEqual(grid._getInsertItem(), { field2: "test2" }, "field with inserting=false is not included in inserting item"); }); test("insert data with default location", function() { var $element = $("#jsGrid"), inserted = false, insertingArgs, insertedArgs, gridOptions = { inserting: true, data: [{field: "default"}], fields: [ { name: "field", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } } ], onItemInserting: function(e) { insertingArgs = $.extend(true, {}, e); }, onItemInserted: function(e) { insertedArgs = $.extend(true, {}, e); }, controller: { insertItem: function() { inserted = true; } } }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(insertingArgs.item.field, "test", "field is provided in inserting args"); equal(grid.option("data").length, 2, "data is inserted"); ok(inserted, "controller insertItem was called"); deepEqual(grid.option("data")[1], { field: "test" }, "correct data is inserted"); equal(insertedArgs.item.field, "test", "field is provided in inserted args"); }); test("insert data with specified insert location", function() { var $element = $("#jsGrid"), inserted = false, insertingArgs, insertedArgs, gridOptions = { inserting: true, insertRowLocation: "top", data: [{field: "default"}], fields: [ { name: "field", insertTemplate: function() { var result = this.insertControl = $("<input>").attr("type", "text"); return result; }, insertValue: function() { return this.insertControl.val(); } } ], onItemInserting: function(e) { insertingArgs = $.extend(true, {}, e); }, onItemInserted: function(e) { insertedArgs = $.extend(true, {}, e); }, controller: { insertItem: function() { inserted = true; } } }, grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(insertingArgs.item.field, "test", "field is provided in inserting args"); equal(grid.option("data").length, 2, "data is inserted"); ok(inserted, "controller insertItem was called"); deepEqual(grid.option("data")[0], { field: "test" }, "correct data is inserted at the beginning"); equal(insertedArgs.item.field, "test", "field is provided in inserted args"); }); test("insertItem accepts item to insert", function() { var $element = $("#jsGrid"), itemToInsert = { field: "test" }, insertedItem, gridOptions = { data: [], fields: [ { name: "field" } ], controller: { insertItem: function(item) { insertedItem = item; } } }, grid = new Grid($element, gridOptions); grid.insertItem(itemToInsert); deepEqual(grid.option("data")[0], itemToInsert, "data is inserted"); deepEqual(insertedItem, itemToInsert, "controller insertItem was called with correct item"); }); module("editing"); test("editing rendering", function() { var $element = $("#jsGrid"), $editRow, data = [{ test: "value" }], gridOptions = { editing: true, fields: [ { name: "test", align: "right", editcss: "edit-class", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value).addClass("edit-input"); return result; } } ] }, grid = new Grid($element, gridOptions); grid.option("data", data); equal(grid._content.find("." + grid.editRowClass).length, 0, "no edit row after initial rendering"); grid.editItem(data[0]); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); equal($editRow.find(".edit-class").length, 1, "editcss class is attached"); equal($editRow.find(".edit-input").length, 1, "edit control rendered"); equal($editRow.find("." + grid.cellClass).length, 1, "cell class is attached"); ok($editRow.find(".edit-class").hasClass("jsgrid-align-right"), "align class is attached"); ok(grid.fields[0].editControl.is("input[type=text]"), "edit control saved in field"); equal(grid.fields[0].editControl.val(), "value", "edit control value"); }); test("editItem accepts row to edit", function() { var $element = $("#jsGrid"), $editRow, data = [ { test: "value" } ], gridOptions = { editing: true, fields: [ { name: "test" } ] }, grid = new Grid($element, gridOptions); grid.option("data", data); var $row = $element.find("." + grid.oddRowClass).eq(0); grid.editItem($row); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); grid.cancelEdit(); grid.editItem($row.get(0)); $editRow = grid._content.find("." + grid.editRowClass); equal($editRow.length, 1, "edit row rendered"); }); test("edit item", function() { var $element = $("#jsGrid"), editingArgs, editingRow, updated = false, updatingArgs, updatingRow, updatedRow, updatedArgs, data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateItem: function(updatingItem) { updated = true; } }, onItemEditing: function(e) { editingArgs = $.extend(true, {}, e); editingRow = grid.rowByItem(data[0])[0]; }, onItemUpdating: function(e) { updatingArgs = $.extend(true, {}, e); updatingRow = grid.rowByItem(data[0])[0]; }, onItemUpdated: function(e) { updatedArgs = $.extend(true, {}, e); updatedRow = grid.rowByItem(data[0])[0]; } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); deepEqual(editingArgs.item, { field: "value" }, "item before editing is provided in editing event args"); equal(editingArgs.itemIndex, 0, "itemIndex is provided in editing event args"); equal(editingArgs.row[0], editingRow, "row element is provided in editing event args"); grid.fields[0].editControl.val("new value"); grid.updateItem(); deepEqual(updatingArgs.previousItem, { field: "value" }, "item before editing is provided in updating event args"); deepEqual(updatingArgs.item, { field: "new value" }, "updating item is provided in updating event args"); equal(updatingArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(updatingArgs.row[0], updatingRow, "row element is provided in updating event args"); ok(updated, "controller updateItem called"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); equal(grid._content.find("." + grid.editRowClass).length, 0, "edit row removed"); equal(grid._content.find("." + grid.oddRowClass).length, 1, "data row rendered"); deepEqual(updatedArgs.previousItem, { field: "value" }, "item before editing is provided in updated event args"); deepEqual(updatedArgs.item, { field: "new value" }, "updated item is provided in updated event args"); equal(updatedArgs.itemIndex, 0, "itemIndex is provided in updated event args"); equal(updatedArgs.row[0], updatedRow, "row element is provided in updated event args"); }); test("failed update should not change original item", function() { var $element = $("#jsGrid"), data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateItem: function(updatingItem) { return $.Deferred().reject(); } } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); grid.fields[0].editControl.val("new value"); grid.updateItem(); deepEqual(grid.option("data")[0], { field: "value" }, "value is not updated"); }); test("cancel edit", function() { var $element = $("#jsGrid"), updated = false, cancellingArgs, cancellingRow, data = [{ field: "value" }], gridOptions = { editing: true, fields: [ { name: "field", editTemplate: function(value) { var result = this.editControl = $("<input>").attr("type", "text").val(value); return result; }, editValue: function() { return this.editControl.val(); } } ], controller: { updateData: function(updatingItem) { updated = true; } }, onItemEditCancelling: function(e) { cancellingArgs = $.extend(true, {}, e); cancellingRow = grid.rowByItem(data[0])[0]; } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.editItem(data[0]); grid.fields[0].editControl.val("new value"); grid.cancelEdit(); deepEqual(cancellingArgs.item, { field: "value" }, "item before cancel is provided in cancelling event args"); equal(cancellingArgs.itemIndex, 0, "itemIndex is provided in cancelling event args"); equal(cancellingArgs.row[0], cancellingRow, "row element is provided in cancelling event args"); ok(!updated, "controller updateItem was not called"); deepEqual(grid.option("data")[0], { field: "value" }, "data were not updated"); equal(grid._content.find("." + grid.editRowClass).length, 0, "edit row removed"); equal(grid._content.find("." + grid.oddRowClass).length, 1, "data row restored"); }); test("updateItem accepts item to update and new item", function() { var $element = $("#jsGrid"), updatingItem, data = [{ field: "value" }], gridOptions = { fields: [ { name: "field" } ], controller: { updateItem: function(item) { return updatingItem = item; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.updateItem(data[0], { field: "new value" }); deepEqual(updatingItem, { field: "new value" }, "controller updateItem called correctly"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); }); test("updateItem accepts single argument - item to update", function() { var $element = $("#jsGrid"), updatingItem, data = [{ field: "value" }], gridOptions = { fields: [ { name: "field" } ], controller: { updateItem: function(item) { return updatingItem = item; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); data[0].field = "new value"; grid.updateItem(data[0]); deepEqual(updatingItem, { field: "new value" }, "controller updateItem called correctly"); deepEqual(grid.option("data")[0], { field: "new value" }, "correct data updated"); }); test("editRowRenderer", function() { var $element = $("#jsGrid"), data = [ { value: "test" } ], gridOptions = { data: data, editing: true, editRowRenderer: function(item, itemIndex) { return $("<tr>").addClass("custom-edit-row").append($("<td>").text(itemIndex + ":" + item.value)); }, fields: [ { name: "value" } ] }, grid = new Grid($element, gridOptions); grid.editItem(data[0]); var $editRow = grid._content.find(".custom-edit-row"); equal($editRow.length, 1, "edit row rendered"); equal($editRow.text(), "0:test", "custom edit row renderer rendered"); }); module("deleting"); test("delete item", function() { var $element = $("#jsGrid"), deleted = false, deletingArgs, deletedArgs, data = [{ field: "value" }], gridOptions = { confirmDeleting: false, fields: [ { name: "field" } ], controller: { deleteItem: function(deletingItem) { deleted = true; } }, onItemDeleting: function(e) { deletingArgs = $.extend(true, {}, e); }, onItemDeleted: function(e) { deletedArgs = $.extend(true, {}, e); } }, grid = new Grid($element, gridOptions); grid.option("data", data); grid.deleteItem(data[0]); deepEqual(deletingArgs.item, { field: "value" }, "field and value is provided in deleting event args"); equal(deletingArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(deletingArgs.row.length, 1, "row element is provided in updating event args"); ok(deleted, "controller deleteItem called"); equal(grid.option("data").length, 0, "data row deleted"); deepEqual(deletedArgs.item, { field: "value" }, "item is provided in updating event args"); equal(deletedArgs.itemIndex, 0, "itemIndex is provided in updating event args"); equal(deletedArgs.row.length, 1, "row element is provided in updating event args"); }); test("deleteItem accepts row", function() { var $element = $("#jsGrid"), deletedItem, itemToDelete = { field: "value" }, data = [itemToDelete], gridOptions = { confirmDeleting: false, fields: [ { name: "field" } ], controller: { deleteItem: function(deletingItem) { deletedItem = deletingItem; } } }, grid = new Grid($element, gridOptions); grid.option("data", data); var $row = $element.find("." + grid.oddRowClass).eq(0); grid.deleteItem($row); deepEqual(deletedItem, itemToDelete, "controller deleteItem called correctly"); equal(grid.option("data").length, 0, "data row deleted"); }); module("paging"); test("pager is rendered if necessary", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}, {}], paging: false, pageSize: 2 }); ok(grid._pagerContainer.is(":hidden"), "pager is hidden when paging=false"); equal(grid._pagerContainer.html(), "", "pager is not rendered when paging=false"); grid.option("paging", true); ok(grid._pagerContainer.is(":visible"), "pager is visible when paging=true"); ok(grid._pagerContainer.html(), "pager is rendered when paging=true"); grid.option("data", [{}, {}]); ok(grid._pagerContainer.is(":hidden"), "pager is hidden for single page"); ok(grid._pagerContainer.html(), "pager is rendered for single page when paging=true"); }); test("external pagerContainer", function() { var $pagerContainer = $("<div>").appendTo("#qunit-fixture").hide(), $element = $("#jsGrid"); new Grid($element, { data: [{}, {}, {}], pagerContainer: $pagerContainer, paging: true, pageSize: 2 }); ok($pagerContainer.is(":visible"), "external pager shown"); ok($pagerContainer.html(), "external pager rendered"); }); test("pager functionality", function() { var $element = $("#jsGrid"), pager, pageChangedArgs, grid = new Grid($element, { data: [{}, {}, {}, {}, {}, {}, {}, {}, {}], onPageChanged: function(args) { pageChangedArgs = args; }, paging: true, pageSize: 2, pageButtonCount: 3 }); equal(grid._pagesCount(), 5, "correct page count"); equal(grid.option("pageIndex"), 1, "pageIndex is initialized"); equal(grid._firstDisplayingPage, 1, "_firstDisplayingPage is initialized"); pager = grid._pagerContainer; equal(pager.find("." + grid.currentPageClass).length, 1, "there is one current page"); ok(pager.find("." + grid.pageClass).eq(0).hasClass(grid.currentPageClass), "first page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); equal(pager.find("." + grid.pagerNavButtonClass).length, 5, "five nav buttons displayed: Fisrt Prev Next Last ..."); equal(pager.find("." + grid.pagerNavButtonInactiveClass).length, 2, "two nav buttons inactive: Fisrt Prev"); grid.openPage(2); equal(pager.find("." + grid.currentPageClass).length, 1, "there is one current page"); ok(pager.find("." + grid.pageClass).eq(1).hasClass(grid.currentPageClass), "second page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); equal(pager.find("." + grid.pagerNavButtonClass).length, 5, "five nav buttons displayed: First Prev Next Last and ..."); equal(pageChangedArgs.pageIndex, 2, "onPageChanged callback provides pageIndex in arguments"); grid.showNextPages(); equal(grid._firstDisplayingPage, 3, "navigate by pages forward"); grid.showPrevPages(); equal(grid._firstDisplayingPage, 1, "navigate by pages backward"); grid.openPage(5); equal(grid._firstDisplayingPage, 3, "opening next non-visible page moves first displaying page forward"); grid.openPage(2); equal(grid._firstDisplayingPage, 2, "opening prev non-visible page moves first displaying page backward"); }); test("pager format", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}, {}, {}, {}, {}], paging: true, pageSize: 2, pageIndex: 2, pageButtonCount: 1, pagerFormat: "a {pageIndex} {first} {prev} {pages} {next} {last} {pageCount} {itemCount} z", pagePrevText: "<", pageNextText: ">", pageFirstText: "<<", pageLastText: ">>", pageNavigatorNextText: "np", pageNavigatorPrevText: "pp" }); grid._firstDisplayingPage = 2; grid._refreshPager(); equal($.trim(grid._pagerContainer.text()), "a 2 << < pp2np > >> 3 6 z", "pager text follows the format specified"); }); test("pagerRenderer", function() { var $element = $("#jsGrid"); var pagerRendererConfig; var pageSize = 2; var items = [{}, {}, {}, {}, {}, {}, {}]; var pageCount = Math.ceil(items.length / pageSize); var grid = new Grid($element, { data: items, paging: true, pageSize: pageSize, pagerRenderer: function(pagerConfig) { pagerRendererConfig = pagerConfig; } }); deepEqual(pagerRendererConfig, { pageIndex: 1, pageCount: pageCount }); grid.openPage(2); deepEqual(pagerRendererConfig, { pageIndex: 2, pageCount: pageCount }); }); test("loading by page", function() { var $element = $("#jsGrid"), data = [], itemCount = 20; for(var i = 1; i <= itemCount; i += 1) { data.push({ value: i }); } var gridOptions = { pageLoading: true, paging: true, pageSize: 7, fields: [ { name: "value" } ], controller: { loadData: function(filter) { var startIndex = (filter.pageIndex - 1) * filter.pageSize, result = data.slice(startIndex, startIndex + filter.pageSize); return { data: result, itemsCount: data.length }; } } }; var grid = new Grid($element, gridOptions); grid.loadData(); var pager = grid._pagerContainer; var gridData = grid.option("data"); equal(gridData.length, 7, "loaded one page of data"); equal(gridData[0].value, 1, "loaded right data start value"); equal(gridData[gridData.length - 1].value, 7, "loaded correct data end value"); ok(pager.find("." + grid.pageClass).eq(0).hasClass(grid.currentPageClass), "first page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); grid.openPage(3); gridData = grid.option("data"); equal(gridData.length, 6, "loaded last page of data"); equal(gridData[0].value, 15, "loaded right data start value"); equal(gridData[gridData.length - 1].value, 20, "loaded right data end value"); ok(pager.find("." + grid.pageClass).eq(2).hasClass(grid.currentPageClass), "third page is current"); equal(pager.find("." + grid.pageClass).length, 3, "three pages displayed"); }); test("'openPage' method ignores indexes out of range", function() { var $element = $("#jsGrid"), grid = new Grid($element, { data: [{}, {}], paging: true, pageSize: 1 }); grid.openPage(0); equal(grid.option("pageIndex"), 1, "too small index is ignored"); grid.openPage(3); equal(grid.option("pageIndex"), 1, "too big index is ignored"); }); module("sorting"); test("sorting", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortOrder, "asc", "asc sorting order for first click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 1); equal(gridData[1].value, 2); equal(gridData[2].value, 3); ok($th.hasClass(grid.sortableClass)); ok($th.hasClass(grid.sortAscClass)); $th.trigger("click"); equal(grid._sortOrder, "desc", "desc sorting order for second click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); ok(!$th.hasClass(grid.sortAscClass)); ok($th.hasClass(grid.sortDescClass)); }); test("sorting with pageLoading", function() { var $element = $("#jsGrid"), loadFilter, gridOptions = { sorting: true, pageLoading: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], controller: { loadData: function(filter) { loadFilter = filter; return { itemsCount: 0, data: [] }; } }, fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortOrder, "asc", "asc sorting order for first click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(loadFilter.sortOrder, "asc", "sort direction is provided in loadFilter"); equal(loadFilter.sortField, "value", "sort field is provided in loadFilter"); $th.trigger("click"); equal(grid._sortOrder, "desc", "desc sorting order for second click"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(loadFilter.sortOrder, "desc", "sort direction is provided in loadFilter"); equal(loadFilter.sortField, "value", "sort field is provided in loadFilter"); }); test("no sorting for column with sorting = false", function() { var $element = $("#jsGrid"); var gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorting: false } ] }; var grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal(grid._sortField, null, "sort field is not set for the field with sorting=false"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); equal($th.hasClass(grid.sortableClass), false, "no sorting css for field with sorting=false"); equal($th.hasClass(grid.sortAscClass), false, "no sorting css for field with sorting=false"); }); test("sort accepts sorting config", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); var gridData = grid.option("data"); grid.sort({ field: "value", order: "asc" }); equal(grid._sortOrder, "asc", "asc sorting order is set"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 1); equal(gridData[1].value, 2); equal(gridData[2].value, 3); grid.sort({ field: 0 }); equal(grid._sortOrder, "desc", "desc sorting order for already set asc sorting"); equal(grid._sortField, grid.fields[0], "sort field is set"); equal(gridData[0].value, 3); equal(gridData[1].value, 2); equal(gridData[2].value, 1); grid.sort("value", "asc"); equal(grid._sortOrder, "asc", "asc sorting order is set"); equal(grid._sortField, grid.fields[0], "sort field is set"); grid.sort(0); equal(grid._sortOrder, "desc", "desc sorting order for already set asc sorting"); equal(grid._sortField, grid.fields[0], "sort field is set"); }); test("getSorting returns current sorting", function() { var $element = $("#jsGrid"), gridOptions = { sorting: true, data: [ { value: 3 }, { value: 2 }, { value: 1 } ], fields: [ { name: "value", sorter: "number" } ] }, grid = new Grid($element, gridOptions); deepEqual(grid.getSorting(), { field: undefined, order: undefined }, "undefined field and order before sorting"); grid.sort("value"); deepEqual(grid.getSorting(), { field: "value", order: "asc" }, "current sorting returned"); }); test("sorting css attached correctly when a field is hidden", function() { var $element = $("#jsGrid"); var gridOptions = { sorting: true, data: [], fields: [ { name: "field1", visible: false }, { name: "field2" } ] }; var grid = new Grid($element, gridOptions); var gridData = grid.option("data"); var $th = grid._headerRow.find("th").eq(0); $th.trigger("click"); equal($th.hasClass(grid.sortAscClass), true, "sorting css is attached to first field"); }); module("canceling events"); test("cancel item edit", function() { var $element = $("#jsGrid"); var data = [{}]; var gridOptions = { editing: true, onItemEditing: function(e) { e.cancel = true; }, controller: { loadData: function() { return data; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.loadData(); grid.editItem(data[0]); strictEqual(grid._editingRow, null, "no editing row"); }); test("cancel controller.loadData", function() { var $element = $("#jsGrid"); var gridOptions = { onDataLoading: function(e) { e.cancel = true; }, controller: { loadData: function() { return [{}]; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.loadData(); equal(grid.option("data").length, 0, "no data loaded"); }); test("cancel controller.insertItem", function() { var $element = $("#jsGrid"); var insertedItem = null; var gridOptions = { onItemInserting: function(e) { e.cancel = true; }, controller: { insertItem: function(item) { insertedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.insertItem({ test: "value" }); strictEqual(insertedItem, null, "item was not inserted"); }); test("cancel controller.updateItem", function() { var $element = $("#jsGrid"); var updatedItem = null; var existingItem = { test: "value" }; var gridOptions = { data: [ existingItem ], onItemUpdating: function(e) { e.cancel = true; }, controller: { updateItem: function(item) { updatedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.updateItem(existingItem, { test: "new_value" }); strictEqual(updatedItem, null, "item was not updated"); }); test("cancel controller.deleteItem", function() { var $element = $("#jsGrid"); var deletingItem = { test: "value" }; var deletedItem = null; var gridOptions = { data: [ deletingItem ], confirmDeleting: false, onItemDeleting: function(e) { e.cancel = true; }, controller: { deleteItem: function(item) { deletedItem = item; } }, fields: [ { name: "test" } ] }; var grid = new Grid($element, gridOptions); grid.deleteItem(deletingItem); strictEqual(deletedItem, null, "item was not deleted"); }); module("complex properties binding"); test("rendering", function() { var $element = $("#jsGrid"); var gridOptions = { loadMessage: "", data: [ { complexProp: { prop: "test" } } ], fields: [ { name: "complexProp.prop", title: "" } ] }; new Grid($element, gridOptions); equal($element.text(), "test", "complex property value rendered"); }); test("editing", function() { var $element = $("#jsGrid"); var gridOptions = { editing: true, data: [ { complexProp: { prop: "test" } } ], fields: [ { type: "text", name: "complexProp.prop" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); equal(grid.fields[0].editControl.val(), "test", "complex property value set in editor"); }); test("should not fail if property is absent", function() { var $element = $("#jsGrid"); var gridOptions = { loadMessage: "", data: [ { complexProp: { } } ], fields: [ { name: "complexProp.subprop.prop", title: "" } ] }; new Grid($element, gridOptions); equal($element.text(), "", "rendered empty value"); }); test("inserting", function() { var $element = $("#jsGrid"); var insertingItem; var gridOptions = { inserting: true, fields: [ { type: "text", name: "complexProp.prop" } ], onItemInserting: function(args) { insertingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); deepEqual(insertingItem, { complexProp: { prop: "test" } }, "inserting item has complex properties"); }); test("filtering", function() { var $element = $("#jsGrid"); var loadFilter; var gridOptions = { filtering: true, fields: [ { type: "text", name: "complexProp.prop" } ], controller: { loadData: function(filter) { loadFilter = filter; } } }; var grid = new Grid($element, gridOptions); grid.fields[0].filterControl.val("test"); grid.search(); deepEqual(loadFilter, { complexProp: { prop: "test" } }, "filter has complex properties"); }); test("updating", function() { var $element = $("#jsGrid"); var updatingItem; var gridOptions = { editing: true, data: [ { complexProp: { } } ], fields: [ { type: "text", name: "complexProp.prop" } ], onItemUpdating: function(args) { updatingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test"); grid.updateItem(); deepEqual(updatingItem, { complexProp: { prop: "test" } }, "updating item has complex properties"); }); test("update nested prop", function() { var $element = $("#jsGrid"); var updatingItem; var previousItem; var gridOptions = { editing: true, data: [ { prop: { subprop1: "test1", subprop2: "test2" } } ], fields: [ { type: "text", name: "prop.subprop1" }, { type: "text", name: "prop.subprop2" } ], onItemUpdating: function(args) { updatingItem = args.item; } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("new_test1"); grid.updateItem(); var expectedUpdatingItem = { prop: { subprop1: "new_test1", subprop2: "test2" } }; deepEqual(updatingItem, expectedUpdatingItem, "updating item has nested properties"); }); test("updating deeply nested prop", function() { var $element = $("#jsGrid"); var updatingItem; var previousItem; var gridOptions = { editing: true, data: [ { complexProp: { subprop1: { another_prop: "test" } } } ], fields: [ { type: "text", name: "complexProp.subprop1.prop1" }, { type: "text", name: "complexProp.subprop1.subprop2.prop12" } ], onItemUpdating: function(args) { updatingItem = $.extend(true, {}, args.item); previousItem = $.extend(true, {}, args.previousItem); } }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test1"); grid.fields[1].editControl.val("test2"); grid.updateItem(); var expectedUpdatingItem = { complexProp: { subprop1: { another_prop: "test", prop1: "test1", subprop2: { prop12: "test2" } } } }; var expectedPreviousItem = { complexProp: { subprop1: { another_prop: "test" } } }; deepEqual(updatingItem, expectedUpdatingItem, "updating item has deeply nested properties"); deepEqual(previousItem, expectedPreviousItem, "previous item preserved correctly"); }); module("validation"); test("insertItem should call validation.validate", function() { var $element = $("#jsGrid"); var fieldValidationRules = { test: "value" }; var validatingArgs; var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function(args) { validatingArgs = args; return []; } }, fields: [ { type: "text", name: "Name", validate: fieldValidationRules } ] }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem(); deepEqual(validatingArgs, { value: "test", item: { Name: "test" }, itemIndex: -1, row: grid._insertRow, rules: fieldValidationRules }, "validating args is provided"); }); test("insertItem rejected when data is not valid", function() { var $element = $("#jsGrid"); var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.fields[0].insertControl.val("test"); grid.insertItem().done(function() { ok(false, "insertItem should not be completed"); }).fail(function() { ok(true, "insertItem should fail"); }); }); test("invalidClass is attached on invalid cell on inserting", function() { var $element = $("#jsGrid"); var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Id", visible: false }, { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); var $insertCell = grid._insertRow.children().eq(0); grid.insertItem(); ok($insertCell.hasClass(grid.invalidClass), "invalid class is attached"); equal($insertCell.attr("title"), "Error", "cell tooltip contains error message"); }); test("onItemInvalid callback", function() { var $element = $("#jsGrid"); var errors = ["Error"]; var onItemInvalidCalled = 0; var onItemInvalidArgs; var gridOptions = { data: [], inserting: true, invalidNotify: $.noop, onItemInvalid: function(args) { onItemInvalidCalled++; onItemInvalidArgs = args; }, validation: { validate: function(args) { return !args.value ? errors : []; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.insertItem(); equal(onItemInvalidCalled, 1, "onItemInvalid is called, when item data is invalid"); deepEqual(onItemInvalidArgs, { grid: grid, errors: [{ field: grid.fields[0], message: "Error" }], item: { Name: "" }, itemIndex: -1, row: grid._insertRow }, "arguments provided"); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(onItemInvalidCalled, 1, "onItemInvalid was not called, when data is valid"); }); test("invalidNotify", function() { var $element = $("#jsGrid"); var errors = ["Error"]; var invalidNotifyCalled = 0; var invalidNotifyArgs; var gridOptions = { data: [], inserting: true, invalidNotify: function(args) { invalidNotifyCalled++; invalidNotifyArgs = args; }, validation: { validate: function(args) { return !args.value ? errors : []; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.insertItem(); equal(invalidNotifyCalled, 1, "invalidNotify is called, when item data is invalid"); deepEqual(invalidNotifyArgs, { grid: grid, errors: [{ field: grid.fields[0], message: "Error" }], row: grid._insertRow, item: { Name: "" }, itemIndex: -1 }, "arguments provided"); grid.fields[0].insertControl.val("test"); grid.insertItem(); equal(invalidNotifyCalled, 1, "invalidNotify was not called, when data is valid"); }); test("invalidMessage", function() { var $element = $("#jsGrid"); var invalidMessage; var originalAlert = window.alert; window.alert = function(message) { invalidMessage = message; }; try { Grid.prototype.invalidMessage = "InvalidTest"; Grid.prototype.invalidNotify({ errors: [{ message: "Message1" }, { message: "Message2" }] }); var expectedInvalidMessage = ["InvalidTest", "Message1", "Message2"].join("\n"); equal(invalidMessage, expectedInvalidMessage, "message contains invalidMessage and field error messages"); } finally { window.alert = originalAlert; } }); test("updateItem should call validation.validate", function() { var $element = $("#jsGrid"); var validatingArgs; var gridOptions = { data: [{ Name: "" }], editing: true, invalidNotify: $.noop, validation: { validate: function(args) { validatingArgs = args; return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: "required" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.fields[0].editControl.val("test"); grid.updateItem(); deepEqual(validatingArgs, { value: "test", item: { Name: "test" }, itemIndex: 0, row: grid._getEditRow(), rules: "required" }, "validating args is provided"); }); test("invalidClass is attached on invalid cell on updating", function() { var $element = $("#jsGrid"); var gridOptions = { data: [{}], editing: true, invalidNotify: $.noop, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", validate: true } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); var $editCell = grid._getEditRow().children().eq(0); grid.updateItem(); ok($editCell.hasClass(grid.invalidClass), "invalid class is attached"); equal($editCell.attr("title"), "Error", "cell tooltip contains error message"); }); test("validation should ignore not editable fields", function() { var invalidNotifyCalled = 0; var $element = $("#jsGrid"); var validatingArgs; var gridOptions = { data: [{ Name: "" }], editing: true, invalidNotify: function() { invalidNotifyCalled++; }, validation: { validate: function() { return ["Error"]; } }, fields: [ { type: "text", name: "Name", editing: false, validate: "required" } ] }; var grid = new Grid($element, gridOptions); grid.editItem(gridOptions.data[0]); grid.updateItem(); equal(invalidNotifyCalled, 0, "data is valid"); }); module("api"); test("reset method should go the first page when pageLoading is truned on", function() { var items = [{ Name: "1" }, { Name: "2" }]; var $element = $("#jsGrid"); var gridOptions = { paging: true, pageSize: 1, pageLoading: true, autoload: true, controller: { loadData: function(args) { return { data: [items[args.pageIndex - 1]], itemsCount: items.length }; } }, fields: [ { type: "text", name: "Name" } ] }; var grid = new Grid($element, gridOptions); grid.openPage(2); grid.reset(); equal(grid._bodyGrid.text(), "1", "grid content reset"); }); module("i18n"); test("set locale by name", function() { jsGrid.locales.my_lang = { grid: { test: "test_text" } }; jsGrid.locale("my_lang"); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "test"), "test_text", "option localized"); }); test("set locale by config", function() { jsGrid.locale( { grid: { test: "test_text" } }); var $element = $("#jsGrid").jsGrid({}); equal($element.jsGrid("option", "test"), "test_text", "option localized"); }); test("locale throws exception for unknown locale", function() { throws(function() { jsGrid.locale("unknown_lang"); }, /unknown_lang/, "locale threw an exception"); }); module("controller promise"); asyncTest("should support jQuery promise success callback", 1, function() { var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { var d = $.Deferred(); setTimeout(function() { d.resolve(data); start(); }); return d.promise(); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); asyncTest("should support jQuery promise fail callback", 1, function() { var failArgs = {}; var gridOptions = { autoload: false, controller: { loadData: function() { var d = $.Deferred(); setTimeout(function() { d.reject(failArgs); start(); }); return d.promise(); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.fail(function(result) { equal(result, failArgs, "fail args provided to fail callback"); }); }); asyncTest("should support JS promise success callback", 1, function() { if(typeof Promise === "undefined") { ok(true, "Promise not supported"); start(); return; } var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { return new Promise(function(resolve, reject) { setTimeout(function() { resolve(data); start(); }); }); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); asyncTest("should support JS promise fail callback", 1, function() { if(typeof Promise === "undefined") { ok(true, "Promise not supported"); start(); return; } var failArgs = {}; var gridOptions = { autoload: false, controller: { loadData: function() { return new Promise(function(resolve, reject) { setTimeout(function() { reject(failArgs); start(); }); }); } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.fail(function(result) { equal(result, failArgs, "fail args provided to fail callback"); }); }); test("should support non-promise result", 1, function() { var data = []; var gridOptions = { autoload: false, controller: { loadData: function() { return data; } } }; var grid = new Grid($("#jsGrid"), gridOptions); var promise = grid._controllerCall("loadData", {}, false, $.noop); promise.done(function(result) { equal(result, data, "data provided to done callback"); }); }); module("renderTemplate"); test("should pass undefined and null arguments to the renderer", function() { var rendererArgs; var rendererContext; var context = {}; var renderer = function() { rendererArgs = arguments; rendererContext = this; }; Grid.prototype.renderTemplate(renderer, context, { arg1: undefined, arg2: null, arg3: "test" }); equal(rendererArgs.length, 3); strictEqual(rendererArgs[0], undefined, "undefined passed"); strictEqual(rendererArgs[1], null, "null passed"); strictEqual(rendererArgs[2], "test", "null passed"); strictEqual(rendererContext, context, "context is preserved"); }); module("Data Export", { setup: function() { this.exportConfig = {}; this.exportConfig.type = "csv"; this.exportConfig.subset = "all"; this.exportConfig.delimiter = "|"; this.exportConfig.includeHeaders = true; this.exportConfig.encapsulate = true; this.element = $("#jsGrid"); this.gridOptions = { width: "100%", height: "400px", inserting: true, editing: true, sorting: true, paging: true, pageSize: 2, data: [ { "Name": "Otto Clay", "Country": 1, "Married": false }, { "Name": "Connor Johnston", "Country": 2, "Married": true }, { "Name": "Lacey Hess", "Country": 2, "Married": false }, { "Name": "Timothy Henson", "Country": 1, "Married": true } ], fields: [ { name: "Name", type: "text", width: 150, validate: "required" }, { name: "Country", type: "select", items: [{ Name: "United States", Id: 1 },{ Name: "Canada", Id: 2 }], valueField: "Id", textField: "Name" }, { name: "Married", type: "checkbox", title: "Is Married", sorting: false }, { type: "control" } ] } } }); /* Base Choice Criteria type: csv subset: all delimiter: | includeHeaders: true encapsulate: true */ test("Should export data: Base Choice",function(){ var grid = new Grid($(this.element), this.gridOptions); var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV configured to Base Choice Criteria -- Check Source"); }); test("Should export data: defaults = BCC",function(){ var grid = new Grid($(this.element), this.gridOptions); var data = grid.exportData(); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV with all defaults -- Should be equal to Base Choice"); }); test("Should export data: subset=visible", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.subset = "visible"; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; //expected += '"Lacey Hess"|"Canada"|"false"\r\n'; //expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV of visible records"); }); test("Should export data: delimiter=;", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.delimiter = ";"; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name";"Country";"Is Married"\r\n'; expected += '"Otto Clay";"United States";"false"\r\n'; expected += '"Connor Johnston";"Canada";"true"\r\n'; expected += '"Lacey Hess";"Canada";"false"\r\n'; expected += '"Timothy Henson";"United States";"true"\r\n'; equal(data, expected, "Output CSV with non-default delimiter"); }); test("Should export data: headers=false", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.includeHeaders = false; var data = grid.exportData(this.exportConfig); var expected = ""; //expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; expected += '"Connor Johnston"|"Canada"|"true"\r\n'; expected += '"Lacey Hess"|"Canada"|"false"\r\n'; expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV without Headers"); }); test("Should export data: encapsulate=false", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig.encapsulate = false; var data = grid.exportData(this.exportConfig); var expected = ""; expected += 'Name|Country|Is Married\r\n'; expected += 'Otto Clay|United States|false\r\n'; expected += 'Connor Johnston|Canada|true\r\n'; expected += 'Lacey Hess|Canada|false\r\n'; expected += 'Timothy Henson|United States|true\r\n'; equal(data, expected, "Output CSV without encapsulation"); }); test("Should export filtered data", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig['filter'] = function(item){ if (item["Name"].indexOf("O") === 0) return true }; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"false"\r\n'; //expected += '"Connor Johnston"|"Canada"|"true"\r\n'; //expected += '"Lacey Hess"|"Canada"|"false"\r\n'; //expected += '"Timothy Henson"|"United States"|"true"\r\n'; equal(data, expected, "Output CSV filtered to show names starting with O"); }); test("Should export data: transformed value", function(){ var grid = new Grid($(this.element), this.gridOptions); this.exportConfig['transforms'] = {}; this.exportConfig.transforms['Married'] = function(value){ if (value === true) return "Yes" if (value === false) return "No" }; var data = grid.exportData(this.exportConfig); var expected = ""; expected += '"Name"|"Country"|"Is Married"\r\n'; expected += '"Otto Clay"|"United States"|"No"\r\n'; expected += '"Connor Johnston"|"Canada"|"Yes"\r\n'; expected += '"Lacey Hess"|"Canada"|"No"\r\n'; expected += '"Timothy Henson"|"United States"|"Yes"\r\n'; equal(data, expected, "Output CSV column value transformed properly"); }); }); <MSG> Filtering: Remove 'setFilter' api method <DFF> @@ -317,7 +317,7 @@ $(function() { ok(grid.fields[0].filterControl.is("input[type=text]"), "filter control saved in field"); }); - test("filter get/set/clear", function() { + test("filter get/clear", function() { var $element = $("#jsGrid"), gridOptions = { filtering: true, @@ -330,14 +330,10 @@ $(function() { { name: "field", filterTemplate: function() { - var result = this.filterControl = $("<input>").attr("type", "text"); - return result; + return this.filterControl = $("<input>").attr("type", "text"); }, - filterValue: function(value) { - if(!arguments.length) { - return this.filterControl.val(); - } - this.filterControl.val(value); + | 4 | Filtering: Remove 'setFilter' api method | 14 | .js | tests | mit | tabalinas/jsgrid |
10060714 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060715 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060716 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060717 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060718 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060719 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060720 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060721 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060722 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060723 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060724 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060725 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060726 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060727 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060728 | <NME> SelectionMouseHandler.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using Avalonia;
using Avalonia.Input;
using AvaloniaEdit.Document;
using AvaloniaEdit.Utils;
using System;
using System.ComponentModel;
using System.Linq;
namespace AvaloniaEdit.Editing
{
/// <summary>
/// Handles selection of text using the mouse.
/// </summary>
internal sealed class SelectionMouseHandler : ITextAreaInputHandler
{
#region enum SelectionMode
private enum SelectionMode
{
/// <summary>
/// no selection (no mouse button down)
/// </summary>
None,
/// <summary>
/// left mouse button down on selection, might be normal click
/// or might be drag'n'drop
/// </summary>
PossibleDragStart,
/// <summary>
/// dragging text
/// </summary>
Drag,
/// <summary>
/// normal selection (click+drag)
/// </summary>
Normal,
/// <summary>
/// whole-word selection (double click+drag or ctrl+click+drag)
/// </summary>
WholeWord,
/// <summary>
/// whole-line selection (triple click+drag)
/// </summary>
WholeLine,
/// <summary>
/// rectangular selection (alt+click+drag)
/// </summary>
Rectangular
}
#endregion
private SelectionMode _mode;
private AnchorSegment _startWord;
private Point _possibleDragStartMousePos;
#region Constructor + Attach + Detach
public SelectionMouseHandler(TextArea textArea)
{
TextArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
}
public TextArea TextArea { get; }
public void Attach()
{
TextArea.PointerPressed += TextArea_MouseLeftButtonDown;
TextArea.PointerMoved += TextArea_MouseMove;
TextArea.PointerReleased += TextArea_MouseLeftButtonUp;
//textArea.QueryCursor += textArea_QueryCursor;
TextArea.OptionChanged += TextArea_OptionChanged;
_enableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (_enableTextDragDrop)
{
AttachDragDrop();
}
}
public void Detach()
{
_mode = SelectionMode.None;
TextArea.PointerPressed -= TextArea_MouseLeftButtonDown;
TextArea.PointerMoved -= TextArea_MouseMove;
TextArea.PointerReleased -= TextArea_MouseLeftButtonUp;
//textArea.QueryCursor -= textArea_QueryCursor;
TextArea.OptionChanged -= TextArea_OptionChanged;
if (_enableTextDragDrop)
{
DetachDragDrop();
}
}
private void AttachDragDrop()
{
//textArea.AllowDrop = true;
//textArea.GiveFeedback += textArea_GiveFeedback;
//textArea.QueryContinueDrag += textArea_QueryContinueDrag;
//textArea.DragEnter += textArea_DragEnter;
//textArea.DragOver += textArea_DragOver;
//textArea.DragLeave += textArea_DragLeave;
//textArea.Drop += textArea_Drop;
}
private void DetachDragDrop()
{
//textArea.AllowDrop = false;
//textArea.GiveFeedback -= textArea_GiveFeedback;
//textArea.QueryContinueDrag -= textArea_QueryContinueDrag;
//textArea.DragEnter -= textArea_DragEnter;
//textArea.DragOver -= textArea_DragOver;
//textArea.DragLeave -= textArea_DragLeave;
//textArea.Drop -= textArea_Drop;
}
private bool _enableTextDragDrop;
private void TextArea_OptionChanged(object sender, PropertyChangedEventArgs e)
{
var newEnableTextDragDrop = TextArea.Options.EnableTextDragDrop;
if (newEnableTextDragDrop != _enableTextDragDrop)
{
_enableTextDragDrop = newEnableTextDragDrop;
if (newEnableTextDragDrop)
AttachDragDrop();
else
DetachDragDrop();
}
}
#endregion
#region Dropping text
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragEnter(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// textArea.Caret.Show();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragOver(object sender, DragEventArgs e)
//{
// try {
// e.Effects = GetEffect(e);
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//DragDropEffects GetEffect(DragEventArgs e)
//{
// if (e.Data.GetDataPresent(DataFormats.UnicodeText, true)) {
// e.Handled = true;
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e.GetPosition(textArea.TextView), out visualColumn, out isAtEndOfLine);
// if (offset >= 0) {
// textArea.Caret.Position = new TextViewPosition(textArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
// textArea.Caret.DesiredXPos = double.NaN;
// if (textArea.ReadOnlySectionProvider.CanInsert(offset)) {
// if ((e.AllowedEffects & DragDropEffects.Move) == DragDropEffects.Move
// && (e.KeyStates & DragDropKeyStates.ControlKey) != DragDropKeyStates.ControlKey)
// {
// return DragDropEffects.Move;
// } else {
// return e.AllowedEffects & DragDropEffects.Copy;
// }
// }
// }
// }
// return DragDropEffects.None;
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_DragLeave(object sender, DragEventArgs e)
//{
// try {
// e.Handled = true;
// if (!textArea.IsKeyboardFocusWithin)
// textArea.Caret.Hide();
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_Drop(object sender, DragEventArgs e)
//{
// try {
// DragDropEffects effect = GetEffect(e);
// e.Effects = effect;
// if (effect != DragDropEffects.None) {
// int start = textArea.Caret.Offset;
// if (mode == SelectionMode.Drag && textArea.Selection.Contains(start)) {
// Debug.WriteLine("Drop: did not drop: drop target is inside selection");
// e.Effects = DragDropEffects.None;
// } else {
// Debug.WriteLine("Drop: insert at " + start);
// var pastingEventArgs = new DataObjectPastingEventArgs(e.Data, true, DataFormats.UnicodeText);
// textArea.RaiseEvent(pastingEventArgs);
// if (pastingEventArgs.CommandCancelled)
// return;
// string text = EditingCommandHandler.GetTextToPaste(pastingEventArgs, textArea);
// if (text == null)
// return;
// bool rectangular = pastingEventArgs.DataObject.GetDataPresent(RectangleSelection.RectangularSelectionDataType);
// // Mark the undo group with the currentDragDescriptor, if the drag
// // is originating from the same control. This allows combining
// // the undo groups when text is moved.
// textArea.Document.UndoStack.StartUndoGroup(this.currentDragDescriptor);
// try {
// if (rectangular && RectangleSelection.PerformRectangularPaste(textArea, textArea.Caret.Position, text, true)) {
// } else {
// textArea.Document.Insert(start, text);
// textArea.Selection = Selection.Create(textArea, start, start + text.Length);
// }
// } finally {
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
// e.Handled = true;
// }
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//void OnDragException(Exception ex)
//{
// // swallows exceptions during drag'n'drop or reports them incorrectly, so
// // we re-throw them later to allow the application's unhandled exception handler
// // to catch them
// textArea.Dispatcher.BeginInvoke(
// DispatcherPriority.Send,
// new Action(delegate {
// throw new DragDropException("Exception during drag'n'drop", ex);
// }));
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_GiveFeedback(object sender, GiveFeedbackEventArgs e)
//{
// try {
// e.UseDefaultCursors = true;
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
//[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1031:DoNotCatchGeneralExceptionTypes")]
//void textArea_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
//{
// try {
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// } else if ((e.KeyStates & DragDropKeyStates.LeftMouseButton) != DragDropKeyStates.LeftMouseButton) {
// e.Action = DragAction.Drop;
// } else {
// e.Action = DragAction.Continue;
// }
// e.Handled = true;
// } catch (Exception ex) {
// OnDragException(ex);
// }
//}
#endregion
#region Start Drag
//object currentDragDescriptor;
//void StartDrag()
//{
// // prevent nested StartDrag calls
// mode = SelectionMode.Drag;
// // mouse capture and Drag'n'Drop doesn't mix
// textArea.ReleaseMouseCapture();
// DataObject dataObject = textArea.Selection.CreateDataObject(textArea);
// DragDropEffects allowedEffects = DragDropEffects.All;
// var deleteOnMove = textArea.Selection.Segments.Select(s => new AnchorSegment(textArea.Document, s)).ToList();
// foreach (ISegment s in deleteOnMove) {
// ISegment[] result = textArea.GetDeletableSegments(s);
// if (result.Length != 1 || result[0].Offset != s.Offset || result[0].EndOffset != s.EndOffset) {
// allowedEffects &= ~DragDropEffects.Move;
// }
// }
// var copyingEventArgs = new DataObjectCopyingEventArgs(dataObject, true);
// textArea.RaiseEvent(copyingEventArgs);
// if (copyingEventArgs.CommandCancelled)
// return;
// object dragDescriptor = new object();
// this.currentDragDescriptor = dragDescriptor;
// DragDropEffects resultEffect;
// using (textArea.AllowCaretOutsideSelection()) {
// var oldCaretPosition = textArea.Caret.Position;
// try {
// Debug.WriteLine("DoDragDrop with allowedEffects=" + allowedEffects);
// resultEffect = DragDrop.DoDragDrop(textArea, dataObject, allowedEffects);
// Debug.WriteLine("DoDragDrop done, resultEffect=" + resultEffect);
// } catch (COMException ex) {
// // ignore COM errors - don't crash on badly implemented drop targets
// Debug.WriteLine("DoDragDrop failed: " + ex.ToString());
// return;
// }
// if (resultEffect == DragDropEffects.None) {
// // reset caret if drag was aborted
// textArea.Caret.Position = oldCaretPosition;
// }
// }
// this.currentDragDescriptor = null;
// if (deleteOnMove != null && resultEffect == DragDropEffects.Move && (allowedEffects & DragDropEffects.Move) == DragDropEffects.Move) {
// bool draggedInsideSingleDocument = (dragDescriptor == textArea.Document.UndoStack.LastGroupDescriptor);
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.StartContinuedUndoGroup(null);
// textArea.Document.BeginUpdate();
// try {
// foreach (ISegment s in deleteOnMove) {
// textArea.Document.Remove(s.Offset, s.Length);
// }
// } finally {
// textArea.Document.EndUpdate();
// if (draggedInsideSingleDocument)
// textArea.Document.UndoStack.EndUndoGroup();
// }
// }
//}
#endregion
#region QueryCursor
// provide the IBeam Cursor for the text area
//void textArea_QueryCursor(object sender, QueryCursorEventArgs e)
//{
// if (!e.Handled) {
// if (mode != SelectionMode.None) {
// // during selection, use IBeam cursor even outside the text area
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// } else if (textArea.TextView.VisualLinesValid) {
// // Only query the cursor if the visual lines are valid.
// // If they are invalid, the cursor will get re-queried when the visual lines
// // get refreshed.
// Point p = e.GetPosition(textArea.TextView);
// if (p.X >= 0 && p.Y >= 0 && p.X <= textArea.TextView.ActualWidth && p.Y <= textArea.TextView.ActualHeight) {
// int visualColumn;
// bool isAtEndOfLine;
// int offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
// if (enableTextDragDrop && textArea.Selection.Contains(offset))
// e.Cursor = Cursors.Arrow;
// else
// e.Cursor = Cursors.IBeam;
// e.Handled = true;
// }
// }
// }
//}
#endregion
#region LeftButtonDown
private void TextArea_MouseLeftButtonDown(object sender, PointerPressedEventArgs e)
{
if (e.GetCurrentPoint(TextArea).Properties.IsLeftButtonPressed == false)
{
if (TextArea.RightClickMovesCaret == true && e.Handled == false)
{
SetCaretOffsetToMousePosition(e);
}
}
else
{
TextArea.Cursor = Cursor.Parse("IBeam");
var pointer = e.GetCurrentPoint(TextArea);
_mode = SelectionMode.None;
if (!e.Handled)
{
var modifiers = e.KeyModifiers;
var shift = modifiers.HasFlag(KeyModifiers.Shift);
if (_enableTextDragDrop && e.ClickCount == 1 && !shift)
{
var offset = GetOffsetFromMousePosition(e, out _, out _);
if (TextArea.Selection.Contains(offset))
{
if (TextArea.CapturePointer(e.Pointer))
{
_mode = SelectionMode.PossibleDragStart;
_possibleDragStartMousePos = e.GetPosition(TextArea);
}
e.Handled = true;
return;
}
}
var oldPosition = TextArea.Caret.Position;
SetCaretOffsetToMousePosition(e);
if (!shift)
{
TextArea.ClearSelection();
}
if (TextArea.CapturePointer(e.Pointer))
{
if (modifiers.HasFlag(KeyModifiers.Alt) && TextArea.Options.EnableRectangularSelection)
{
_mode = SelectionMode.Rectangular;
if (shift && TextArea.Selection is RectangleSelection)
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (modifiers.HasFlag(KeyModifiers.Control) && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.WholeWord;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else if (pointer.Properties.IsLeftButtonPressed && e.ClickCount == 1) // e.ClickCount == 1
{
_mode = SelectionMode.Normal;
if (shift && !(TextArea.Selection is RectangleSelection))
{
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
}
else
{
SimpleSegment startWord;
if (e.ClickCount == 3)
{
_mode = SelectionMode.WholeLine;
startWord = GetLineAtMousePosition(e);
}
else
{
_mode = SelectionMode.WholeWord;
startWord = GetWordAtMousePosition(e);
}
if (startWord == SimpleSegment.Invalid)
{
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
return;
}
if (shift && !TextArea.Selection.IsEmpty)
{
if (startWord.Offset < TextArea.Selection.SurroundingSegment.Offset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.Offset)));
}
else if (startWord.EndOffset > TextArea.Selection.SurroundingSegment.EndOffset)
{
TextArea.Selection = TextArea.Selection.SetEndpoint(new TextViewPosition(TextArea.Document.GetLocation(startWord.EndOffset)));
}
_startWord = new AnchorSegment(TextArea.Document, TextArea.Selection.SurroundingSegment);
}
else
{
TextArea.Selection = Selection.Create(TextArea, startWord.Offset, startWord.EndOffset);
_startWord = new AnchorSegment(TextArea.Document, startWord.Offset, startWord.Length);
}
}
}
e.Handled = true;
}
}
}
#endregion
#region LeftButtonClick
#endregion
#region LeftButtonDoubleTap
#endregion
#region Mouse Position <-> Text coordinates
private SimpleSegment GetWordAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
var visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace);
var wordStartVc = line.GetNextCaretPosition(visualColumn + 1, LogicalDirection.Backward, CaretPositioningMode.WordStartOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordStartVc == -1)
wordStartVc = 0;
var wordEndVc = line.GetNextCaretPosition(wordStartVc, LogicalDirection.Forward, CaretPositioningMode.WordBorderOrSymbol, TextArea.Selection.EnableVirtualSpace);
if (wordEndVc == -1)
wordEndVc = line.VisualLength;
var relOffset = line.FirstDocumentLine.Offset;
var wordStartOffset = line.GetRelativeOffset(wordStartVc) + relOffset;
var wordEndOffset = line.GetRelativeOffset(wordEndVc) + relOffset;
return new SimpleSegment(wordStartOffset, wordEndOffset - wordStartOffset);
}
else
{
return SimpleSegment.Invalid;
}
}
private SimpleSegment GetLineAtMousePosition(PointerEventArgs e)
{
var textView = TextArea.TextView;
if (textView == null) return SimpleSegment.Invalid;
var pos = e.GetPosition(textView);
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
var line = textView.GetVisualLineFromVisualTop(pos.Y);
return line != null && line.TextLines != null
? new SimpleSegment(line.StartOffset, line.LastDocumentLine.EndOffset - line.StartOffset)
: SimpleSegment.Invalid;
}
private int GetOffsetFromMousePosition(PointerEventArgs e, out int visualColumn, out bool isAtEndOfLine)
{
return GetOffsetFromMousePosition(e.GetPosition(TextArea.TextView), out visualColumn, out isAtEndOfLine);
}
private int GetOffsetFromMousePosition(Point positionRelativeToTextView, out int visualColumn, out bool isAtEndOfLine)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(pos, TextArea.Selection.EnableVirtualSpace, out isAtEndOfLine);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
isAtEndOfLine = false;
return -1;
}
private int GetOffsetFromMousePositionFirstTextLineOnly(Point positionRelativeToTextView, out int visualColumn)
{
visualColumn = 0;
var textView = TextArea.TextView;
var pos = positionRelativeToTextView;
if (pos.Y < 0)
pos = pos.WithY(0);
if (pos.Y > textView.Bounds.Height)
pos = pos.WithY(textView.Bounds.Height);
pos += textView.ScrollOffset;
if (pos.Y >= textView.DocumentHeight)
pos = pos.WithY(textView.DocumentHeight - ExtensionMethods.Epsilon);
var line = textView.GetVisualLineFromVisualTop(pos.Y);
if (line != null && line.TextLines != null)
{
visualColumn = line.GetVisualColumn(line.TextLines.First(), pos.X, TextArea.Selection.EnableVirtualSpace);
return line.GetRelativeOffset(visualColumn) + line.FirstDocumentLine.Offset;
}
return -1;
}
#endregion
private const int MinimumHorizontalDragDistance = 2;
private const int MinimumVerticalDragDistance = 2;
#region MouseMove
private void TextArea_MouseMove(object sender, PointerEventArgs e)
{
if (e.Handled)
return;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine || _mode == SelectionMode.Rectangular)
{
e.Handled = true;
if (TextArea.TextView.VisualLinesValid)
{
// If the visual lines are not valid, don't extend the selection.
// Extending the selection forces a VisualLine refresh, and it is sufficient
// to do that on MouseUp, we don't have to do it every MouseMove.
ExtendSelectionToMouse(e);
}
}
else if (_mode == SelectionMode.PossibleDragStart)
{
e.Handled = true;
Vector mouseMovement = e.GetPosition(TextArea) - _possibleDragStartMousePos;
if (Math.Abs(mouseMovement.X) > MinimumHorizontalDragDistance
|| Math.Abs(mouseMovement.Y) > MinimumVerticalDragDistance)
{
// TODO: drag
//StartDrag();
}
}
}
#endregion
#region ExtendSelection
private void SetCaretOffsetToMousePosition(PointerEventArgs e, ISegment allowedSegment = null)
{
int visualColumn;
bool isAtEndOfLine;
int offset;
if (_mode == SelectionMode.Rectangular)
{
offset = GetOffsetFromMousePositionFirstTextLineOnly(e.GetPosition(TextArea.TextView), out visualColumn);
isAtEndOfLine = true;
}
else
{
offset = GetOffsetFromMousePosition(e, out visualColumn, out isAtEndOfLine);
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
if (offset >= 0)
{
TextArea.Caret.Position = new TextViewPosition(TextArea.Document.GetLocation(offset), visualColumn) { IsAtEndOfLine = isAtEndOfLine };
TextArea.Caret.DesiredXPos = double.NaN;
}
}
private void ExtendSelectionToMouse(PointerEventArgs e)
{
var oldPosition = TextArea.Caret.Position;
if (_mode == SelectionMode.Normal || _mode == SelectionMode.Rectangular)
{
SetCaretOffsetToMousePosition(e);
if (_mode == SelectionMode.Normal && TextArea.Selection is RectangleSelection)
TextArea.Selection = new SimpleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else if (_mode == SelectionMode.Rectangular && !(TextArea.Selection is RectangleSelection))
TextArea.Selection = new RectangleSelection(TextArea, oldPosition, TextArea.Caret.Position);
else
TextArea.Selection = TextArea.Selection.StartSelectionOrSetEndpoint(oldPosition, TextArea.Caret.Position);
}
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
if (newWord != SimpleSegment.Invalid && _startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
Math.Max(newWord.EndOffset, _startWord.EndOffset));
// moves caret to start or end of selection
TextArea.Caret.Offset = newWord.Offset < _startWord.Offset ? newWord.Offset : Math.Max(newWord.EndOffset, _startWord.EndOffset);
}
}
TextArea.Caret.BringCaretToView(0);
}
#endregion
#region MouseLeftButtonUp
private void TextArea_MouseLeftButtonUp(object sender, PointerEventArgs e)
{
if (_mode == SelectionMode.None || e.Handled)
return;
e.Handled = true;
switch (_mode)
{
case SelectionMode.PossibleDragStart:
// this was not a drag start (mouse didn't move after mousedown)
SetCaretOffsetToMousePosition(e);
TextArea.ClearSelection();
break;
case SelectionMode.Normal:
case SelectionMode.WholeWord:
case SelectionMode.WholeLine:
case SelectionMode.Rectangular:
if (TextArea.Options.ExtendSelectionOnMouseUp)
ExtendSelectionToMouse(e);
break;
}
_mode = SelectionMode.None;
TextArea.ReleasePointerCapture(e.Pointer);
}
#endregion
}
}
<MSG> fix null reference exception.
<DFF> @@ -666,7 +666,7 @@ namespace AvaloniaEdit.Editing
else if (_mode == SelectionMode.WholeWord || _mode == SelectionMode.WholeLine)
{
var newWord = (_mode == SelectionMode.WholeLine) ? GetLineAtMousePosition(e) : GetWordAtMousePosition(e);
- if (newWord != SimpleSegment.Invalid)
+ if (newWord != SimpleSegment.Invalid &&_startWord != null)
{
TextArea.Selection = Selection.Create(TextArea,
Math.Min(newWord.Offset, _startWord.Offset),
| 1 | fix null reference exception. | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060729 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060730 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060731 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060732 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060733 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060734 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060735 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060736 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060737 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060738 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060739 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060740 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060741 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060742 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060743 | <NME> TextMate.cs
<BEF> using System;
using System.Linq;
using TextMateSharp.Grammars;
using TextMateSharp.Model;
using TextMateSharp.Registry;
using TextMateSharp.Themes;
namespace AvaloniaEdit.TextMate
{
public static class TextMate
{
public static void RegisterExceptionHandler(Action<Exception> handler)
{
_exceptionHandler = handler;
}
public static Installation InstallTextMate(
this TextEditor editor,
IRegistryOptions registryOptions,
bool initCurrentDocument = true)
{
return new Installation(editor, registryOptions, initCurrentDocument);
}
public class Installation
{
private IRegistryOptions _textMateRegistryOptions;
private Registry _textMateRegistry;
private TextEditor _editor;
private TextEditorModel _editorModel;
private IGrammar _grammar;
private TMModel _tmModel;
private TextMateColoringTransformer _transformer;
public IRegistryOptions RegistryOptions { get { return _textMateRegistryOptions; } }
public TextEditorModel EditorModel { get { return _editorModel; } }
public Installation(TextEditor editor, IRegistryOptions registryOptions, bool initCurrentDocument = true)
{
_textMateRegistryOptions = registryOptions;
_textMateRegistry = new Registry(registryOptions);
_editor = editor;
SetTheme(registryOptions.GetDefaultTheme());
editor.DocumentChanged += OnEditorOnDocumentChanged;
if (initCurrentDocument)
{
OnEditorOnDocumentChanged(editor, EventArgs.Empty);
}
}
public void SetGrammar(string scopeName)
{
_grammar = _textMateRegistry.LoadGrammar(scopeName);
GetOrCreateTransformer().SetGrammar(_grammar);
_editor.TextArea.TextView.Redraw();
}
public void SetTheme(IRawTheme theme)
{
_textMateRegistry.SetTheme(theme);
GetOrCreateTransformer().SetTheme(_textMateRegistry.GetTheme());
_tmModel?.InvalidateLine(0);
_editorModel?.InvalidateViewPortLines();
}
public void Dispose()
{
_editor.DocumentChanged -= OnEditorOnDocumentChanged;
DisposeEditorModel(_editorModel);
{
try
{
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
{
DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel, _transformer);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
_tmModel = new TMModel(_editorModel);
_tmModel.SetGrammar(_grammar);
_transformer = GetOrCreateTransformer();
_transformer.SetModel(_editor.Document, _tmModel);
_tmModel.AddModelTokensChangedListener(_transformer);
}
catch (Exception ex)
{
_exceptionHandler?.Invoke(ex);
}
}
TextMateColoringTransformer GetOrCreateTransformer()
{
var transformer = _editor.TextArea.TextView.LineTransformers.OfType<TextMateColoringTransformer>().FirstOrDefault();
if (transformer is null)
{
transformer = new TextMateColoringTransformer(
_editor.TextArea.TextView, _exceptionHandler);
_editor.TextArea.TextView.LineTransformers.Add(transformer);
}
return transformer;
}
transformer.Dispose();
}
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
}
tmModel.Dispose();
}
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
return;
editorModel.Dispose();
}
}
static Action<Exception> _exceptionHandler;
}
}
<MSG> Dispose the TextEditorModel!
Additionally do not use the Shared buffer pool because it fails under concurrency. Better use a private array and resize it according to the line number to avoid allocations and de-allocations as far as possible
<DFF> @@ -81,6 +81,7 @@ namespace AvaloniaEdit.TextMate
{
try
{
+ DisposeEditorModel(_editorModel);
DisposeTMModel(_tmModel);
_editorModel = new TextEditorModel(_editor.TextArea.TextView, _editor.Document, _exceptionHandler);
@@ -119,7 +120,6 @@ namespace AvaloniaEdit.TextMate
transformer.Dispose();
}
-
static void DisposeTMModel(TMModel tmModel)
{
if (tmModel == null)
@@ -128,6 +128,14 @@ namespace AvaloniaEdit.TextMate
tmModel.Dispose();
}
+ static void DisposeEditorModel(TextEditorModel editorModel)
+ {
+ if (editorModel == null)
+ return;
+
+ editorModel.Dispose();
+ }
+
RegistryOptions _textMateRegistryOptions;
Registry _textMateRegistry;
TextEditor _editor;
| 9 | Dispose the TextEditorModel! | 1 | .cs | TextMate/TextMate | mit | AvaloniaUI/AvaloniaEdit |
10060744 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060745 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060746 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060747 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060748 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060749 | <NME> TextFormatterFactory.cs
<BEF> // Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
using System;
using System.Globalization;
using Avalonia.Controls;
using Avalonia.Controls.Documents;
using Avalonia.Media;
using Avalonia.Media.TextFormatting;
namespace AvaloniaEdit.Utils
{
/// <summary>
/// Creates TextFormatter instances that with the correct TextFormattingMode, if running on .NET 4.0.
/// </summary>
static class TextFormatterFactory
{
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(Control owner)
{
return TextFormatter.Current;
}
/// <summary>
/// Creates formatted text.
/// </summary>
/// <param name="element">The owner element. The text formatter setting are read from this element.</param>
/// <param name="text">The text.</param>
/// <param name="typeface">The typeface to use. If this parameter is null, the typeface of the <paramref name="element"/> will be used.</param>
/// <param name="emSize">The font size. If this parameter is null, the font size of the <paramref name="element"/> will be used.</param>
/// <param name="foreground">The foreground color. If this parameter is null, the foreground of the <paramref name="element"/> will be used.</param>
/// <returns>A FormattedText object using the specified settings.</returns>
public static FormattedText CreateFormattedText(Control element, string text, Typeface typeface, double? emSize, IBrush foreground)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (text == null)
throw new ArgumentNullException(nameof(text));
if (typeface == default)
typeface = element.CreateTypeface();
if (emSize == null)
var formattedText = new FormattedText
{
Text = text,
Typeface = new Typeface(typeface),
FontSize = emSize.Value
};
FlowDirection.LeftToRight,
typeface,
emSize.Value,
foreground);
}
}
}
<MSG> Merge pull request #110 from HendrikMennen/fix-memory-leak
fix memory leak
<DFF> @@ -59,7 +59,7 @@ namespace AvaloniaEdit.Utils
var formattedText = new FormattedText
{
Text = text,
- Typeface = new Typeface(typeface),
+ Typeface = FontManager.Current.GetOrAddTypeface(typeface),
FontSize = emSize.Value
};
| 1 | Merge pull request #110 from HendrikMennen/fix-memory-leak | 1 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
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