Search is not available for this dataset
id
stringlengths 1
8
| text
stringlengths 72
9.81M
| addition_count
int64 0
10k
| commit_subject
stringlengths 0
3.7k
| deletion_count
int64 0
8.43k
| file_extension
stringlengths 0
32
| lang
stringlengths 1
94
| license
stringclasses 10
values | repo_name
stringlengths 9
59
|
|---|---|---|---|---|---|---|---|---|
10060750 | <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 |
10060751 | <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 |
10060752 | <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 |
10060753 | <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 |
10060754 | <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 |
10060755 | <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 |
10060756 | <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 |
10060757 | <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 |
10060758 | <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 |
10060759 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060760 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060761 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060762 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060763 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060764 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060765 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060766 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060767 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060768 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060769 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060770 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060771 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060772 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060773 | <NME> TextTransformation.cs
<BEF> using System;
using AvaloniaEdit.Document;
using AM = Avalonia.Media;
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; }
public int BackgroundColor { get; set; }
public int FontStyle { get; set; }
public override void Transform(GenericLineTransformer transformer, DocumentLine line)
{
try
{
if (Length == 0)
{
return;
}
return;
}
var formattedOffset = 0;
var endOffset = line.EndOffset;
}
transformer.SetTextStyle(line, formattedOffset, endOffset - line.Offset - formattedOffset,
ColorMap.GetBrush(ForegroundColor),
ColorMap.GetBrush(BackgroundColor),
GetFontStyle(),
GetFontWeight(),
IsUnderline());
}
catch(Exception ex)
{
ExceptionHandler?.Invoke(ex);
}
}
AM.FontStyle GetFontStyle()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Italic) != 0)
return AM.FontStyle.Italic;
return AM.FontStyle.Normal;
}
AM.FontWeight GetFontWeight()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Bold) != 0)
return AM.FontWeight.Bold;
return AM.FontWeight.Regular;
}
bool IsUnderline()
{
if (FontStyle != TextMateSharp.Themes.FontStyle.NotSet &&
(FontStyle & TextMateSharp.Themes.FontStyle.Underline) != 0)
return true;
return false;
}
}
}
<MSG> fix theme change.
<DFF> @@ -36,6 +36,11 @@ namespace AvaloniaEdit.TextMate
return;
}
+ if (!_brushCache.ContainsKey(Foreground))
+ {
+ return;
+ }
+
var formattedOffset = 0;
var endOffset = line.EndOffset;
| 5 | fix theme change. | 0 | .cs | TextMate/TextTransformation | mit | AvaloniaUI/AvaloniaEdit |
10060774 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060775 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060776 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060777 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060778 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060779 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060780 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060781 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060782 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060783 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060784 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060785 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060786 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060787 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060788 | <NME> Directory.Build.props
<BEF> <Project>
<PropertyGroup>
<LangVersion>latest</LangVersion>
<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
<Version>11.0.999-cibuild0024027-beta</Version>
</PropertyGroup>
</Project>
<MSG> Bump version
<DFF> @@ -5,6 +5,6 @@
<AvaloniaVersion>11.0.999-cibuild0024027-beta</AvaloniaVersion>
<TextMateSharpVersion>1.0.43</TextMateSharpVersion>
<NewtonsoftJsonVersion>13.0.1</NewtonsoftJsonVersion>
- <Version>11.0.999-cibuild0024027-beta</Version>
+ <Version>11.0.999-cibuild0024032-beta</Version>
</PropertyGroup>
</Project>
| 1 | Bump version | 1 | .props | Build | mit | AvaloniaUI/AvaloniaEdit |
10060789 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060790 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060791 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060792 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060793 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060794 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060795 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060796 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060797 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060798 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060799 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060800 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060801 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060802 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060803 | <NME> TextEditor.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.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using Avalonia;
using AvaloniaEdit.Document;
using AvaloniaEdit.Editing;
using AvaloniaEdit.Highlighting;
using AvaloniaEdit.Rendering;
using AvaloniaEdit.Utils;
using Avalonia.Controls;
using Avalonia.Controls.Primitives;
using Avalonia.Controls.Shapes;
using Avalonia.Input;
using Avalonia.Interactivity;
using Avalonia.LogicalTree;
using Avalonia.Media;
using Avalonia.Data;
using AvaloniaEdit.Search;
namespace AvaloniaEdit
{
/// <summary>
/// The text editor control.
/// Contains a scrollable TextArea.
/// </summary>
public class TextEditor : TemplatedControl, ITextEditorComponent
{
#region Constructors
static TextEditor()
{
FocusableProperty.OverrideDefaultValue<TextEditor>(true);
HorizontalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
VerticalScrollBarVisibilityProperty.OverrideDefaultValue<TextEditor>(ScrollBarVisibility.Auto);
OptionsProperty.Changed.Subscribe(OnOptionsChanged);
DocumentProperty.Changed.Subscribe(OnDocumentChanged);
SyntaxHighlightingProperty.Changed.Subscribe(OnSyntaxHighlightingChanged);
IsReadOnlyProperty.Changed.Subscribe(OnIsReadOnlyChanged);
IsModifiedProperty.Changed.Subscribe(OnIsModifiedChanged);
ShowLineNumbersProperty.Changed.Subscribe(OnShowLineNumbersChanged);
LineNumbersForegroundProperty.Changed.Subscribe(OnLineNumbersForegroundChanged);
FontFamilyProperty.Changed.Subscribe(OnFontFamilyPropertyChanged);
FontSizeProperty.Changed.Subscribe(OnFontSizePropertyChanged);
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
public TextEditor() : this(new TextArea())
{
}
/// <summary>
/// Creates a new TextEditor instance.
/// </summary>
protected TextEditor(TextArea textArea) : this(textArea, new TextDocument())
{
}
protected TextEditor(TextArea textArea, TextDocument document)
{
this.textArea = textArea ?? throw new ArgumentNullException(nameof(textArea));
textArea.TextView.Services.AddService(this);
SetValue(OptionsProperty, textArea.Options);
SetValue(DocumentProperty, document);
textArea[!BackgroundProperty] = this[!BackgroundProperty];
}
#endregion
protected override void OnGotFocus(GotFocusEventArgs e)
{
base.OnGotFocus(e);
TextArea.Focus();
e.Handled = true;
}
#region Document property
/// <summary>
/// Document property.
/// </summary>
public static readonly StyledProperty<TextDocument> DocumentProperty
= TextView.DocumentProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the document displayed by the text editor.
/// This is a dependency property.
/// </summary>
public TextDocument Document
{
get => GetValue(DocumentProperty);
set => SetValue(DocumentProperty, value);
}
/// <summary>
/// Occurs when the document property has changed.
/// </summary>
public event EventHandler DocumentChanged;
/// <summary>
/// Raises the <see cref="DocumentChanged"/> event.
/// </summary>
protected virtual void OnDocumentChanged(EventArgs e)
{
DocumentChanged?.Invoke(this, e);
}
private static void OnDocumentChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnDocumentChanged((TextDocument)e.OldValue, (TextDocument)e.NewValue);
}
private void OnDocumentChanged(TextDocument oldValue, TextDocument newValue)
{
if (oldValue != null)
{
TextDocumentWeakEventManager.TextChanged.RemoveHandler(oldValue, OnTextChanged);
PropertyChangedWeakEventManager.RemoveHandler(oldValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
TextArea.Document = newValue;
if (newValue != null)
{
TextDocumentWeakEventManager.TextChanged.AddHandler(newValue, OnTextChanged);
PropertyChangedWeakEventManager.AddHandler(newValue.UndoStack, OnUndoStackPropertyChangedHandler);
}
OnDocumentChanged(EventArgs.Empty);
OnTextChanged(EventArgs.Empty);
}
#endregion
#region Options property
/// <summary>
/// Options property.
/// </summary>
public static readonly StyledProperty<TextEditorOptions> OptionsProperty
= TextView.OptionsProperty.AddOwner<TextEditor>();
/// <summary>
/// Gets/Sets the options currently used by the text editor.
/// </summary>
public TextEditorOptions Options
{
get => GetValue(OptionsProperty);
set => SetValue(OptionsProperty, value);
}
/// <summary>
/// Occurs when a text editor option has changed.
/// </summary>
public event PropertyChangedEventHandler OptionChanged;
/// <summary>
/// Raises the <see cref="OptionChanged"/> event.
/// </summary>
protected virtual void OnOptionChanged(PropertyChangedEventArgs e)
{
OptionChanged?.Invoke(this, e);
}
private static void OnOptionsChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnOptionsChanged((TextEditorOptions)e.OldValue, (TextEditorOptions)e.NewValue);
}
private void OnOptionsChanged(TextEditorOptions oldValue, TextEditorOptions newValue)
{
if (oldValue != null)
{
PropertyChangedWeakEventManager.RemoveHandler(oldValue, OnPropertyChangedHandler);
}
TextArea.Options = newValue;
if (newValue != null)
{
PropertyChangedWeakEventManager.AddHandler(newValue, OnPropertyChangedHandler);
}
OnOptionChanged(new PropertyChangedEventArgs(null));
}
private void OnPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
OnOptionChanged(e);
}
protected override void OnPropertyChanged(AvaloniaPropertyChangedEventArgs change)
{
base.OnPropertyChanged(change);
if (change.Property == WordWrapProperty)
{
if (WordWrap)
{
_horizontalScrollBarVisibilityBck = HorizontalScrollBarVisibility;
HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
HorizontalScrollBarVisibility = _horizontalScrollBarVisibilityBck;
}
}
}
private void OnUndoStackPropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
HandleIsOriginalChanged(e);
}
}
private void OnTextChanged(object sender, EventArgs e)
{
OnTextChanged(e);
}
#endregion
#region Text property
/// <summary>
/// Gets/Sets the text of the current document.
/// </summary>
public string Text
{
get
{
var document = Document;
return document != null ? document.Text : string.Empty;
}
set
{
var document = GetDocument();
document.Text = value ?? string.Empty;
// after replacing the full text, the caret is positioned at the end of the document
// - reset it to the beginning.
CaretOffset = 0;
document.UndoStack.ClearAll();
}
}
private TextDocument GetDocument()
{
var document = Document;
if (document == null)
throw ThrowUtil.NoDocumentAssigned();
return document;
}
/// <summary>
/// Occurs when the Text property changes.
/// </summary>
public event EventHandler TextChanged;
/// <summary>
/// Raises the <see cref="TextChanged"/> event.
/// </summary>
protected virtual void OnTextChanged(EventArgs e)
{
TextChanged?.Invoke(this, e);
}
#endregion
#region TextArea / ScrollViewer properties
private readonly TextArea textArea;
private SearchPanel searchPanel;
private bool wasSearchPanelOpened;
protected override void OnApplyTemplate(TemplateAppliedEventArgs e)
{
base.OnApplyTemplate(e);
ScrollViewer = (ScrollViewer)e.NameScope.Find("PART_ScrollViewer");
ScrollViewer.Content = TextArea;
searchPanel = SearchPanel.Install(this);
}
protected override void OnAttachedToLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnAttachedToLogicalTree(e);
if (searchPanel != null && wasSearchPanelOpened)
{
searchPanel.Open();
}
}
protected override void OnDetachedFromLogicalTree(LogicalTreeAttachmentEventArgs e)
{
base.OnDetachedFromLogicalTree(e);
if (searchPanel != null)
{
wasSearchPanelOpened = searchPanel.IsOpened;
if (searchPanel.IsOpened)
searchPanel.Close();
}
}
/// <summary>
/// Gets the text area.
/// </summary>
public TextArea TextArea => textArea;
/// <summary>
/// Gets the search panel.
/// </summary>
public SearchPanel SearchPanel => searchPanel;
/// <summary>
/// Gets the scroll viewer used by the text editor.
/// This property can return null if the template has not been applied / does not contain a scroll viewer.
/// </summary>
internal ScrollViewer ScrollViewer { get; private set; }
#endregion
#region Syntax highlighting
/// <summary>
/// The <see cref="SyntaxHighlighting"/> property.
/// </summary>
public static readonly StyledProperty<IHighlightingDefinition> SyntaxHighlightingProperty =
AvaloniaProperty.Register<TextEditor, IHighlightingDefinition>("SyntaxHighlighting");
/// <summary>
/// Gets/sets the syntax highlighting definition used to colorize the text.
/// </summary>
public IHighlightingDefinition SyntaxHighlighting
{
get => GetValue(SyntaxHighlightingProperty);
set => SetValue(SyntaxHighlightingProperty, value);
}
private IVisualLineTransformer _colorizer;
private static void OnSyntaxHighlightingChanged(AvaloniaPropertyChangedEventArgs e)
{
(e.Sender as TextEditor)?.OnSyntaxHighlightingChanged(e.NewValue as IHighlightingDefinition);
}
private void OnSyntaxHighlightingChanged(IHighlightingDefinition newValue)
{
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Remove(_colorizer);
_colorizer = null;
}
if (newValue != null)
{
_colorizer = CreateColorizer(newValue);
if (_colorizer != null)
{
textArea.TextView.LineTransformers.Insert(0, _colorizer);
}
}
}
/// <summary>
/// Creates the highlighting colorizer for the specified highlighting definition.
/// Allows derived classes to provide custom colorizer implementations for special highlighting definitions.
/// </summary>
/// <returns></returns>
protected virtual IVisualLineTransformer CreateColorizer(IHighlightingDefinition highlightingDefinition)
{
if (highlightingDefinition == null)
throw new ArgumentNullException(nameof(highlightingDefinition));
return new HighlightingColorizer(highlightingDefinition);
}
#endregion
#region WordWrap
/// <summary>
/// Word wrap dependency property.
/// </summary>
public static readonly StyledProperty<bool> WordWrapProperty =
AvaloniaProperty.Register<TextEditor, bool>("WordWrap");
/// <summary>
/// Specifies whether the text editor uses word wrapping.
/// </summary>
/// <remarks>
/// Setting WordWrap=true has the same effect as setting HorizontalScrollBarVisibility=Disabled and will override the
/// HorizontalScrollBarVisibility setting.
/// </remarks>
public bool WordWrap
{
get => GetValue(WordWrapProperty);
set => SetValue(WordWrapProperty, value);
}
#endregion
#region IsReadOnly
/// <summary>
/// IsReadOnly dependency property.
/// </summary>
public static readonly StyledProperty<bool> IsReadOnlyProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsReadOnly");
/// <summary>
/// Specifies whether the user can change the text editor content.
/// Setting this property will replace the
/// <see cref="Editing.TextArea.ReadOnlySectionProvider">TextArea.ReadOnlySectionProvider</see>.
/// </summary>
public bool IsReadOnly
{
get => GetValue(IsReadOnlyProperty);
set => SetValue(IsReadOnlyProperty, value);
}
private static void OnIsReadOnlyChanged(AvaloniaPropertyChangedEventArgs e)
{
if (e.Sender is TextEditor editor)
{
if ((bool)e.NewValue)
editor.TextArea.ReadOnlySectionProvider = ReadOnlySectionDocument.Instance;
else
editor.TextArea.ReadOnlySectionProvider = NoReadOnlySections.Instance;
}
}
#endregion
#region IsModified
/// <summary>
/// Dependency property for <see cref="IsModified"/>
/// </summary>
public static readonly StyledProperty<bool> IsModifiedProperty =
AvaloniaProperty.Register<TextEditor, bool>("IsModified");
/// <summary>
/// Gets/Sets the 'modified' flag.
/// </summary>
public bool IsModified
{
get => GetValue(IsModifiedProperty);
set => SetValue(IsModifiedProperty, value);
}
private static void OnIsModifiedChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var document = editor?.Document;
if (document != null)
{
var undoStack = document.UndoStack;
if ((bool)e.NewValue)
{
if (undoStack.IsOriginalFile)
undoStack.DiscardOriginalFileMarker();
}
else
{
undoStack.MarkAsOriginalFile();
}
}
}
private void HandleIsOriginalChanged(PropertyChangedEventArgs e)
{
if (e.PropertyName == "IsOriginalFile")
{
var document = Document;
if (document != null)
{
SetValue(IsModifiedProperty, (object)!document.UndoStack.IsOriginalFile);
}
}
}
#endregion
#region ShowLineNumbers
/// <summary>
/// ShowLineNumbers dependency property.
/// </summary>
public static readonly StyledProperty<bool> ShowLineNumbersProperty =
AvaloniaProperty.Register<TextEditor, bool>("ShowLineNumbers");
/// <summary>
/// Specifies whether line numbers are shown on the left to the text view.
/// </summary>
public bool ShowLineNumbers
{
get => GetValue(ShowLineNumbersProperty);
set => SetValue(ShowLineNumbersProperty, value);
}
private static void OnShowLineNumbersChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
if (editor == null) return;
var leftMargins = editor.TextArea.LeftMargins;
if ((bool)e.NewValue)
{
var lineNumbers = new LineNumberMargin();
var line = (Line)DottedLineMargin.Create();
leftMargins.Insert(0, lineNumbers);
leftMargins.Insert(1, line);
var lineNumbersForeground = new Binding("LineNumbersForeground") { Source = editor };
line.Bind(Shape.StrokeProperty, lineNumbersForeground);
lineNumbers.Bind(ForegroundProperty, lineNumbersForeground);
}
else
{
for (var i = 0; i < leftMargins.Count; i++)
{
if (leftMargins[i] is LineNumberMargin)
{
leftMargins.RemoveAt(i);
if (i < leftMargins.Count && DottedLineMargin.IsDottedLineMargin(leftMargins[i]))
{
leftMargins.RemoveAt(i);
}
break;
}
}
}
}
#endregion
#region LineNumbersForeground
/// <summary>
/// LineNumbersForeground dependency property.
/// </summary>
public static readonly StyledProperty<IBrush> LineNumbersForegroundProperty =
AvaloniaProperty.Register<TextEditor, IBrush>("LineNumbersForeground", Brushes.Gray);
/// <summary>
/// Gets/sets the Brush used for displaying the foreground color of line numbers.
/// </summary>
public IBrush LineNumbersForeground
{
get => GetValue(LineNumbersForegroundProperty);
set => SetValue(LineNumbersForegroundProperty, value);
}
private static void OnLineNumbersForegroundChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
var lineNumberMargin = editor?.TextArea.LeftMargins.FirstOrDefault(margin => margin is LineNumberMargin) as LineNumberMargin;
lineNumberMargin?.SetValue(ForegroundProperty, e.NewValue);
}
private static void OnFontFamilyPropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontFamilyProperty, e.NewValue);
}
private static void OnFontSizePropertyChanged(AvaloniaPropertyChangedEventArgs e)
{
var editor = e.Sender as TextEditor;
editor?.TextArea.TextView.SetValue(FontSizeProperty, e.NewValue);
}
#endregion
#region TextBoxBase-like methods
/// <summary>
/// Appends text to the end of the document.
/// </summary>
public void AppendText(string textData)
{
var document = GetDocument();
document.Insert(document.TextLength, textData);
}
/// <summary>
/// Begins a group of document changes.
/// </summary>
public void BeginChange()
{
GetDocument().BeginUpdate();
}
/// <summary>
/// Copies the current selection to the clipboard.
/// </summary>
public void Copy()
{
if (CanCopy)
{
ApplicationCommands.Copy.Execute(null, TextArea);
}
}
/// <summary>
/// Removes the current selection and copies it to the clipboard.
/// </summary>
public void Cut()
{
if (CanCut)
{
ApplicationCommands.Cut.Execute(null, TextArea);
}
}
/// <summary>
/// Begins a group of document changes and returns an object that ends the group of document
/// changes when it is disposed.
/// </summary>
public IDisposable DeclareChangeBlock()
{
return GetDocument().RunUpdate();
}
/// <summary>
/// Removes the current selection without copying it to the clipboard.
/// </summary>
public void Delete()
{
if(CanDelete)
{
ApplicationCommands.Delete.Execute(null, TextArea);
}
}
/// <summary>
/// Ends the current group of document changes.
/// </summary>
public void EndChange()
{
GetDocument().EndUpdate();
}
/// <summary>
/// Scrolls one line down.
/// </summary>
public void LineDown()
{
//if (scrollViewer != null)
// scrollViewer.LineDown();
}
/// <summary>
/// Scrolls to the left.
/// </summary>
public void LineLeft()
{
//if (scrollViewer != null)
// scrollViewer.LineLeft();
}
/// <summary>
/// Scrolls to the right.
/// </summary>
public void LineRight()
{
//if (scrollViewer != null)
// scrollViewer.LineRight();
}
/// <summary>
/// Scrolls one line up.
/// </summary>
public void LineUp()
{
//if (scrollViewer != null)
// scrollViewer.LineUp();
}
/// <summary>
/// Scrolls one page down.
/// </summary>
public void PageDown()
{
//if (scrollViewer != null)
// scrollViewer.PageDown();
}
/// <summary>
/// Scrolls one page up.
/// </summary>
public void PageUp()
{
//if (scrollViewer != null)
// scrollViewer.PageUp();
}
/// <summary>
/// Scrolls one page left.
/// </summary>
public void PageLeft()
{
//if (scrollViewer != null)
// scrollViewer.PageLeft();
}
/// <summary>
/// Scrolls one page right.
/// </summary>
public void PageRight()
{
//if (scrollViewer != null)
// scrollViewer.PageRight();
}
/// <summary>
/// Pastes the clipboard content.
/// </summary>
public void Paste()
{
if (CanPaste)
{
ApplicationCommands.Paste.Execute(null, TextArea);
}
}
/// <summary>
/// Redoes the most recent undone command.
/// </summary>
/// <returns>True is the redo operation was successful, false is the redo stack is empty.</returns>
public bool Redo()
{
if (CanRedo)
{
ApplicationCommands.Redo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Scrolls to the end of the document.
/// </summary>
public void ScrollToEnd()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToEnd();
}
/// <summary>
/// Scrolls to the start of the document.
/// </summary>
public void ScrollToHome()
{
ApplyTemplate(); // ensure scrollViewer is created
ScrollViewer?.ScrollToHome();
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToHorizontalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToHorizontalOffset(offset);
}
/// <summary>
/// Scrolls to the specified position in the document.
/// </summary>
public void ScrollToVerticalOffset(double offset)
{
ApplyTemplate(); // ensure scrollViewer is created
//if (scrollViewer != null)
// scrollViewer.ScrollToVerticalOffset(offset);
}
/// <summary>
/// Selects the entire text.
/// </summary>
public void SelectAll()
{
if (CanSelectAll)
{
ApplicationCommands.SelectAll.Execute(null, TextArea);
}
}
/// <summary>
/// Undoes the most recent command.
/// </summary>
/// <returns>True is the undo operation was successful, false is the undo stack is empty.</returns>
public bool Undo()
{
if (CanUndo)
{
ApplicationCommands.Undo.Execute(null, TextArea);
return true;
}
return false;
}
/// <summary>
/// Gets if the most recent undone command can be redone.
/// </summary>
public bool CanRedo
{
get { return ApplicationCommands.Redo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if the most recent command can be undone.
/// </summary>
public bool CanUndo
{
get { return ApplicationCommands.Undo.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be copied
/// </summary>
public bool CanCopy
{
get { return ApplicationCommands.Copy.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be cut
/// </summary>
public bool CanCut
{
get { return ApplicationCommands.Cut.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text in editor can be pasted
/// </summary>
public bool CanPaste
{
get { return ApplicationCommands.Paste.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if selected text in editor can be deleted
/// </summary>
public bool CanDelete
{
get { return ApplicationCommands.Delete.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text the editor can select all
/// </summary>
public bool CanSelectAll
{
get { return ApplicationCommands.SelectAll.CanExecute(null, TextArea); }
}
/// <summary>
/// Gets if text editor can activate the search panel
/// </summary>
public bool CanSearch
{
get { return searchPanel != null; }
}
/// <summary>
/// Gets the vertical size of the document.
/// </summary>
public double ExtentHeight => ScrollViewer?.Extent.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the current document region.
/// </summary>
public double ExtentWidth => ScrollViewer?.Extent.Width ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportHeight => ScrollViewer?.Viewport.Height ?? 0;
/// <summary>
/// Gets the horizontal size of the viewport.
/// </summary>
public double ViewportWidth => ScrollViewer?.Viewport.Width ?? 0;
/// <summary>
/// Gets the vertical scroll position.
/// </summary>
public double VerticalOffset => ScrollViewer?.Offset.Y ?? 0;
/// <summary>
/// Gets the horizontal scroll position.
/// </summary>
public double HorizontalOffset => ScrollViewer?.Offset.X ?? 0;
#endregion
#region TextBox methods
/// <summary>
/// Gets/Sets the selected text.
/// </summary>
public string SelectedText
{
get
{
// We'll get the text from the whole surrounding segment.
// This is done to ensure that SelectedText.Length == SelectionLength.
if (textArea.Document != null && !textArea.Selection.IsEmpty)
return textArea.Document.GetText(textArea.Selection.SurroundingSegment);
return string.Empty;
}
set
{
if (value == null)
throw new ArgumentNullException(nameof(value));
var textArea = TextArea;
if (textArea.Document != null)
{
var offset = SelectionStart;
var length = SelectionLength;
textArea.Document.Replace(offset, length, value);
// keep inserted text selected
textArea.Selection = Selection.Create(textArea, offset, offset + value.Length);
}
}
}
/// <summary>
/// Gets/sets the caret position.
/// </summary>
public int CaretOffset
{
get
{
return textArea.Caret.Offset;
}
set
{
textArea.Caret.Offset = value;
}
}
/// <summary>
/// Gets/sets the start position of the selection.
/// </summary>
public int SelectionStart
{
get
{
if (textArea.Selection.IsEmpty)
return textArea.Caret.Offset;
else
return textArea.Selection.SurroundingSegment.Offset;
}
set => Select(value, SelectionLength);
}
/// <summary>
/// Gets/sets the length of the selection.
/// </summary>
public int SelectionLength
{
get
{
if (!textArea.Selection.IsEmpty)
return textArea.Selection.SurroundingSegment.Length;
else
return 0;
}
set => Select(SelectionStart, value);
}
/// <summary>
/// Selects the specified text section.
/// </summary>
public void Select(int start, int length)
{
var documentLength = Document?.TextLength ?? 0;
if (start < 0 || start > documentLength)
throw new ArgumentOutOfRangeException(nameof(start), start, "Value must be between 0 and " + documentLength);
if (length < 0 || start + length > documentLength)
throw new ArgumentOutOfRangeException(nameof(length), length, "Value must be between 0 and " + (documentLength - start));
TextArea.Selection = Selection.Create(TextArea, start, start + length);
TextArea.Caret.Offset = start + length;
}
/// <summary>
/// Gets the number of lines in the document.
/// </summary>
public int LineCount
{
get
{
var document = Document;
if (document != null)
return document.LineCount;
return 1;
}
}
/// <summary>
/// Clears the text.
/// </summary>
public void Clear()
{
Text = string.Empty;
}
#endregion
#region Loading from stream
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Load(Stream stream)
{
using (var reader = FileReader.OpenStream(stream, Encoding ?? Encoding.UTF8))
{
Text = reader.ReadToEnd();
SetValue(EncodingProperty, (object)reader.CurrentEncoding);
}
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Loads the text from the stream, auto-detecting the encoding.
/// </summary>
public void Load(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO:load
//using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
//{
// Load(fs);
//}
}
/// <summary>
/// Encoding dependency property.
/// </summary>
public static readonly StyledProperty<Encoding> EncodingProperty =
AvaloniaProperty.Register<TextEditor, Encoding>("Encoding");
/// <summary>
/// Gets/sets the encoding used when the file is saved.
/// </summary>
/// <remarks>
/// The <see cref="Load(Stream)"/> method autodetects the encoding of the file and sets this property accordingly.
/// The <see cref="Save(Stream)"/> method uses the encoding specified in this property.
/// </remarks>
public Encoding Encoding
{
get => GetValue(EncodingProperty);
set => SetValue(EncodingProperty, value);
}
/// <summary>
/// Saves the text to the stream.
/// </summary>
/// <remarks>
/// This method sets <see cref="IsModified"/> to false.
/// </remarks>
public void Save(Stream stream)
{
if (stream == null)
throw new ArgumentNullException(nameof(stream));
var encoding = Encoding;
var document = Document;
var writer = encoding != null ? new StreamWriter(stream, encoding) : new StreamWriter(stream);
document?.WriteTextTo(writer);
writer.Flush();
// do not close the stream
SetValue(IsModifiedProperty, (object)false);
}
/// <summary>
/// Saves the text to the file.
/// </summary>
public void Save(string fileName)
{
if (fileName == null)
throw new ArgumentNullException(nameof(fileName));
// TODO: save
//using (FileStream fs = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.None))
//{
// Save(fs);
//}
}
#endregion
#region PointerHover events
/// <summary>
/// The PreviewPointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverEvent =
TextView.PreviewPointerHoverEvent;
/// <summary>
/// the pointerHover event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverEvent =
TextView.PointerHoverEvent;
/// <summary>
/// The PreviewPointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PreviewPointerHoverStoppedEvent =
TextView.PreviewPointerHoverStoppedEvent;
/// <summary>
/// the pointerHoverStopped event.
/// </summary>
public static readonly RoutedEvent<PointerEventArgs> PointerHoverStoppedEvent =
TextView.PointerHoverStoppedEvent;
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHover
{
add => AddHandler(PreviewPointerHoverEvent, value);
remove => RemoveHandler(PreviewPointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer has hovered over a fixed location for some time.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHover
{
add => AddHandler(PointerHoverEvent, value);
remove => RemoveHandler(PointerHoverEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PreviewPointerHoverStopped
{
add => AddHandler(PreviewPointerHoverStoppedEvent, value);
remove => RemoveHandler(PreviewPointerHoverStoppedEvent, value);
}
/// <summary>
/// Occurs when the pointer had previously hovered but now started moving again.
/// </summary>
public event EventHandler<PointerEventArgs> PointerHoverStopped
{
add => AddHandler(PointerHoverStoppedEvent, value);
remove => RemoveHandler(PointerHoverStoppedEvent, value);
}
#endregion
/// </summary>
public void ScrollTo(int line, int column)
{
//const double MinimumScrollFraction = 0.3;
//ScrollTo(line, column, VisualYPosition.LineMiddle,
// null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
/// </summary>
public ScrollBarVisibility HorizontalScrollBarVisibility
{
get => GetValue(HorizontalScrollBarVisibilityProperty);
set => SetValue(HorizontalScrollBarVisibilityProperty, value);
}
private ScrollBarVisibility _horizontalScrollBarVisibilityBck = ScrollBarVisibility.Auto;
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
/*TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (scrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
IScrollInfo scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
object IServiceProvider.GetService(Type serviceType)
{
return TextArea.GetService(serviceType);
}
/// <summary>
/// Gets the text view position from a point inside the editor.
/// </summary>
/// <param name="point">The position, relative to top left
/// corner of TextEditor control</param>
/// <returns>The text view position, or null if the point is outside the document.</returns>
public TextViewPosition? GetPositionFromPoint(Point point)
}
}
Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
minimumScrollFraction * scrollViewer.ViewportHeight)
{
scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
}
if (column > 0)
{
if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
minimumScrollFraction * scrollViewer.ViewportWidth)
{
scrollViewer.ScrollToHorizontalOffset(horizontalPos);
}
}
else
{
scrollViewer.ScrollToHorizontalOffset(0);
}
}
}*/
}
}
}
TextView textView = textArea.TextView;
TextDocument document = textView.Document;
if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
// to the correct position.
// This avoids that the user has to repeat the ScrollTo() call several times when there are very long lines.
VisualLine vl = textView.GetOrConstructVisualLine(document.GetLineByNumber(line));
double remainingHeight = referencedVerticalViewPortOffset;
while (remainingHeight > 0)
{
DocumentLine prevLine = vl.FirstDocumentLine.PreviousLine;
if (prevLine == null)
break;
vl = textView.GetOrConstructVisualLine(prevLine);
remainingHeight -= vl.Height;
}
}
Point p = textArea.TextView.GetVisualPosition(
new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
double targetX = ScrollViewer.Offset.X;
double targetY = ScrollViewer.Offset.Y;
double verticalPos = p.Y - referencedVerticalViewPortOffset;
if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
minimumScrollFraction * ScrollViewer.Viewport.Height)
{
targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
minimumScrollFraction * ScrollViewer.Viewport.Width)
{
targetX = 0;
}
}
else
{
targetX = 0;
}
}
if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
ScrollViewer.Offset = new Vector(targetX, targetY);
}
}
}
}
<MSG> Merge pull request #235 from AvaloniaUI/fix-149
Enable ScrollTo functionality
<DFF> @@ -1169,9 +1169,9 @@ namespace AvaloniaEdit
/// </summary>
public void ScrollTo(int line, int column)
{
- //const double MinimumScrollFraction = 0.3;
- //ScrollTo(line, column, VisualYPosition.LineMiddle,
- // null != scrollViewer ? scrollViewer.ViewportHeight / 2 : 0.0, MinimumScrollFraction);
+ const double MinimumScrollFraction = 0.3;
+ ScrollTo(line, column, VisualYPosition.LineMiddle,
+ null != ScrollViewer ? ScrollViewer.Viewport.Height / 2 : 0.0, MinimumScrollFraction);
}
/// <summary>
@@ -1186,16 +1186,16 @@ namespace AvaloniaEdit
public void ScrollTo(int line, int column, VisualYPosition yPositionMode,
double referencedVerticalViewPortOffset, double minimumScrollFraction)
{
- /*TextView textView = textArea.TextView;
+ TextView textView = textArea.TextView;
TextDocument document = textView.Document;
- if (scrollViewer != null && document != null)
+ if (ScrollViewer != null && document != null)
{
if (line < 1)
line = 1;
if (line > document.LineCount)
line = document.LineCount;
- IScrollInfo scrollInfo = textView;
+ ILogicalScrollable scrollInfo = textView;
if (!scrollInfo.CanHorizontallyScroll)
{
// Word wrap is enabled. Ensure that we have up-to-date info about line height so that we scroll
@@ -1214,32 +1214,40 @@ namespace AvaloniaEdit
}
}
- Point p = textArea.TextView.GetVisualPosition(new TextViewPosition(line, Math.Max(1, column)),
+ Point p = textArea.TextView.GetVisualPosition(
+ new TextViewPosition(line, Math.Max(1, column)),
yPositionMode);
+
+ double targetX = ScrollViewer.Offset.X;
+ double targetY = ScrollViewer.Offset.Y;
+
double verticalPos = p.Y - referencedVerticalViewPortOffset;
- if (Math.Abs(verticalPos - scrollViewer.VerticalOffset) >
- minimumScrollFraction * scrollViewer.ViewportHeight)
+ if (Math.Abs(verticalPos - ScrollViewer.Offset.Y) >
+ minimumScrollFraction * ScrollViewer.Viewport.Height)
{
- scrollViewer.ScrollToVerticalOffset(Math.Max(0, verticalPos));
+ targetY = Math.Max(0, verticalPos);
}
if (column > 0)
{
- if (p.X > scrollViewer.ViewportWidth - Caret.MinimumDistanceToViewBorder * 2)
+ if (p.X > ScrollViewer.Viewport.Width - Caret.MinimumDistanceToViewBorder * 2)
{
- double horizontalPos = Math.Max(0, p.X - scrollViewer.ViewportWidth / 2);
- if (Math.Abs(horizontalPos - scrollViewer.HorizontalOffset) >
- minimumScrollFraction * scrollViewer.ViewportWidth)
+ double horizontalPos = Math.Max(0, p.X - ScrollViewer.Viewport.Width / 2);
+ if (Math.Abs(horizontalPos - ScrollViewer.Offset.X) >
+ minimumScrollFraction * ScrollViewer.Viewport.Width)
{
- scrollViewer.ScrollToHorizontalOffset(horizontalPos);
+ targetX = 0;
}
}
else
{
- scrollViewer.ScrollToHorizontalOffset(0);
+ targetX = 0;
}
}
- }*/
+
+ if (targetX != ScrollViewer.Offset.X || targetY != ScrollViewer.Offset.Y)
+ ScrollViewer.Offset = new Vector(targetX, targetY);
+ }
}
}
}
| 25 | Merge pull request #235 from AvaloniaUI/fix-149 | 17 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060804 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060805 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060806 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060807 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060808 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060809 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060810 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060811 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060812 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060813 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060814 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060815 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060816 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060817 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060818 | <NME> TextLineRunTests.cs
<BEF> ADDFILE
<MSG> Added unit tests
<DFF> @@ -0,0 +1,91 @@
+using Avalonia.Media;
+using Avalonia.Platform;
+
+using AvaloniaEdit.AvaloniaMocks;
+using AvaloniaEdit.Rendering;
+
+using Moq;
+
+using NUnit.Framework;
+
+using static AvaloniaEdit.Rendering.SingleCharacterElementGenerator;
+
+namespace AvaloniaEdit.Text
+{
+ [TestFixture]
+ internal class TextLineRunTests
+ {
+ [Test]
+ public void Text_Line_Run_Should_Have_Valid_Glyph_Widths()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "0123",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 2);
+
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 0, run.GetDistanceFromCharacter(0));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 1, run.GetDistanceFromCharacter(1));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 2, run.GetDistanceFromCharacter(2));
+ Assert.AreEqual(MockGlyphTypeface.GlyphAdvance * 3, run.GetDistanceFromCharacter(3));
+ }
+
+ [Test]
+ public void Tab_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ SimpleTextSource s = new SimpleTextSource(
+ "\t",
+ CreateDefaultTextProperties());
+
+ TextLineRun run = TextLineRun.Create(s, 0, 0, 1);
+
+ Assert.AreEqual(40, run.GetDistanceFromCharacter(1));
+ }
+
+ [Test]
+ public void TextEmbeddedObject_Line_Run_Should_Have_Fixed_Glyph_Width()
+ {
+ using var app = UnitTestApplication.Start(new TestServices().With(
+ renderInterface: new MockPlatformRenderInterface(),
+ fontManagerImpl: new MockFontManagerImpl(),
+ formattedTextImpl: Mock.Of<IFormattedTextImpl>()));
+
+ int runWidth = 50;
+
+ TextLine textLine = Mock.Of<TextLine>(
+ t => t.WidthIncludingTrailingWhitespace == runWidth);
+
+ SpecialCharacterTextRun f = new SpecialCharacterTextRun(
+ new FormattedTextElement("BEL", 1) { TextLine = textLine },
+ CreateDefaultTextProperties());
+
+ Mock<TextSource> ts = new Mock<TextSource>();
+ ts.Setup(s=> s.GetTextRun(It.IsAny<int>())).Returns(f);
+
+ TextLineRun run = TextLineRun.Create(ts.Object, 0, 0, 1);
+
+ Assert.AreEqual(
+ runWidth + SpecialCharacterTextRun.BoxMargin,
+ run.GetDistanceFromCharacter(1));
+ }
+
+ TextRunProperties CreateDefaultTextProperties()
+ {
+ return new TextRunProperties()
+ {
+ Typeface = new Typeface("Default"),
+ FontSize = MockGlyphTypeface.DefaultFontSize,
+ };
+ }
+ }
+}
| 91 | Added unit tests | 0 | .cs | Tests/Text/TextLineRunTests | mit | AvaloniaUI/AvaloniaEdit |
10060819 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060820 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060821 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060822 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060823 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060824 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060825 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060826 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060827 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060828 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060829 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060830 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060831 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060832 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060833 | <NME> DocumentSnapshotTests.cs
<BEF> using AvaloniaEdit.Document;
using AvaloniaEdit.TextMate;
using NUnit.Framework;
namespace AvaloniaEdit.Tests.TextMate
{
[TestFixture]
internal class DocumentSnapshotTests
{
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy", documentSnaphot.GetLineText(0));
Assert.AreEqual("pussy", documentSnaphot.GetLineText(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineText(2));
}
[Test]
public void DocumentSnaphot_Should_Have_CorrectLineText_Including_Terminator()
{
TextDocument document = new TextDocument();
document.Text = "puppy\npussy\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Text_Including_Terminator_CR_LF()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("puppy\r\n", documentSnaphot.GetLineTextIncludingTerminator(0));
Assert.AreEqual("pussy\r\n", documentSnaphot.GetLineTextIncludingTerminator(1));
Assert.AreEqual("birdie", documentSnaphot.GetLineTextIncludingTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Terminators()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(0));
Assert.AreEqual("\r\n", documentSnaphot.GetLineTerminator(1));
Assert.AreEqual("", documentSnaphot.GetLineTerminator(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(5, documentSnaphot.GetLineLength(0));
Assert.AreEqual(5, documentSnaphot.GetLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetLineLength(2));
}
[Test]
public void DocumentSnaphot_Should_Have_Correct_Line_Total_Len()
{
TextDocument document = new TextDocument();
document.Text = "puppy\r\npussy\r\nbirdie";
DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(0));
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
}
}
<MSG> Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text
Fixed index out of range replacing text
<DFF> @@ -85,5 +85,57 @@ namespace AvaloniaEdit.Tests.TextMate
Assert.AreEqual(7, documentSnaphot.GetTotalLineLength(1));
Assert.AreEqual(6, documentSnaphot.GetTotalLineLength(2));
}
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_All_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 3);
+
+ Assert.AreEqual(0, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_First_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 0);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Two_First_Lines()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(0, 1);
+
+ Assert.AreEqual(2, documentSnaphot.LineCount);
+ }
+
+ [Test]
+ public void DocumentSnapshot_Should_Have_Correct_Line_Count_Before_Remove_Last_Line()
+ {
+ TextDocument document = new TextDocument();
+ document.Text = "puppy\r\npussy\r\nbirdie\r\ndoggie";
+
+ DocumentSnapshot documentSnaphot = new DocumentSnapshot(document);
+
+ documentSnaphot.RemoveLines(3, 3);
+
+ Assert.AreEqual(3, documentSnaphot.LineCount);
+ }
}
}
| 52 | Merge pull request #214 from AvaloniaUI/index-out-of-range-replacing-text | 0 | .cs | Tests/TextMate/DocumentSnapshotTests | mit | AvaloniaUI/AvaloniaEdit |
10060834 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060835 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060836 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060837 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060838 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060839 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060840 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060841 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060842 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060843 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060844 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060845 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060846 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060847 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060848 | <NME> PopupWithCustomPosition.cs
<BEF> using Avalonia;
using Avalonia.Controls.Primitives;
namespace AvaloniaEdit.CodeCompletion
{
internal class PopupWithCustomPosition : Popup
{
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
public Point Position { get; set; }
protected override Point GetPosition()
{
return Position;
}
set
{
HorizontalOffset = value.X;
VerticalOffset = value.Y;
//this.Revalidate(VerticalOffsetProperty);
}
}
}
}
<MSG> update to be compatible with new avalonia api for pixelpoint
<DFF> @@ -8,9 +8,9 @@ namespace AvaloniaEdit.CodeCompletion
public static readonly AvaloniaProperty<Point> PositionProperty =
AvaloniaProperty.Register<PopupWithCustomPosition, Point>(nameof(Position));
- public Point Position { get; set; }
+ public PixelPoint Position { get; set; }
- protected override Point GetPosition()
+ protected override PixelPoint GetPosition()
{
return Position;
}
| 2 | update to be compatible with new avalonia api for pixelpoint | 2 | .cs | cs | mit | AvaloniaUI/AvaloniaEdit |
10060849 | <NME> tests.js
<BEF> /**
* loadjs tests
* @module test/tests.js
*/
var pathsLoaded = null, // file register
testEl = null,
expect = chai.expect;
describe('hello', function() {
beforeEach(function() {
// reset register
pathsLoaded = {};
// reset loadjs dependencies
loadjs.reset();
});
// ==========================================================================
// JavaScript file loading tests
});
});
it('should call success callback on two valid paths', function(done) {
loadjs(['assets/file1.js', 'assets/file2.js'], function() {
assert.equal(pathsLoaded['file1.js'], true);
error: function(pathsNotFound) {
assert.equal(pathsNotFound.length, 1);
assert.equal(pathsNotFound[0], 'assets/file-doesntexist.js');
done();
}
});
});
it('should call before callback before embedding into document', function(done) {
var scriptTags = [];
loadjs(['assets/file1.js', 'assets/file2.js'], {
before: function(path, el) {
scriptTags.push({
path: path,
el: el
});
// add cross origin script for file2
if (path === 'assets/file2.js') {
el.crossOrigin = 'anonymous';
}
},
success: function() {
assert.equal(scriptTags[0].path, 'assets/file1.js');
assert.equal(scriptTags[1].path, 'assets/file2.js');
assert.equal(scriptTags[0].el.crossOrigin, undefined);
assert.equal(scriptTags[1].el.crossOrigin, 'anonymous');
it('should throw an error if bundle is already defined', function() {
loadjs(['assets/file1.js'], 'bundle3');
var fn = function() {
loadjs(['assets/file1.js'], 'bundle3');
};
document.body.appendChild(el);
});
it('should call fail callback on invalid path', function(done) {
loadjs(['assets/file-doesntexist.js'],
function() {throw "Executed success callback";},
function() {done();});
});
});
async: false
});
};
// run tests
testFn(paths);
});
it('should support multiple tries', function(done) {
loadjs('assets/file-numretries.js', {
error: function() {
// check number of scripts in document
var selector = 'script[src="assets/file-numretries.js"]',
scripts = document.querySelectorAll(selector);
if (scripts.length === 2) done();
},
numRetries: 1
});
});
// Un-'x' this for testing ad blocked scripts.
// Ghostery: Disallow "Google Adservices"
// AdBlock Plus: Add "www.googletagservices.com/tag/js/gpt.js" as a
// custom filter under Options
//
xit('it should report ad blocked scripts as missing', function(done) {
var s1 = 'https://www.googletagservices.com/tag/js/gpt.js',
s2 = 'https://munchkin.marketo.net/munchkin-beta.js';
loadjs([s1, s2, 'assets/file1.js'], {
success: function() {
throw new Error('Executed success callback');
},
error: function(pathsNotFound) {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(pathsNotFound.length, 2);
assert.equal(pathsNotFound[0], s1);
assert.equal(pathsNotFound[1], s2);
done();
}
});
});
});
// ==========================================================================
// CSS file loading tests
// ==========================================================================
describe('CSS file loading tests', function() {
before(function() {
// add test div to body for css tests
testEl = document.createElement('div');
testEl.className = 'test-div mui-container';
testEl.style.display = 'inline-block';
document.body.appendChild(testEl);
});
afterEach(function() {
var els = document.getElementsByTagName('link'),
i = els.length,
el;
// iteratete through stylesheets
while (i--) {
el = els[i];
// remove test stylesheets
if (el.href.indexOf('mocha.css') === -1) {
el.parentNode.removeChild(el);
}
}
});
it('should load one file', function(done) {
loadjs(['assets/file1.css'], {
success: function() {
assert.equal(testEl.offsetWidth, 100);
done();
}
});
});
it('should load multiple files', function(done) {
loadjs(['assets/file1.css', 'assets/file2.css'], {
success: function() {
assert.equal(testEl.offsetWidth, 200);
done();
}
});
});
it('should call error callback on one invalid path', function(done) {
loadjs(['assets/file1.css', 'assets/file-doesntexist.css'], {
success: function() {
throw new Error('Executed success callback');
},
error: function(pathsNotFound) {
assert.equal(testEl.offsetWidth, 100);
assert.equal(pathsNotFound.length, 1);
assert.equal(pathsNotFound[0], 'assets/file-doesntexist.css');
done();
}
});
});
it('should support mix of css and js', function(done) {
loadjs(['assets/file1.css', 'assets/file1.js'], {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(testEl.offsetWidth, 100);
done();
}
});
});
it('should support forced "css!" files', function(done) {
loadjs(['css!assets/file1.css'], {
success: function() {
// loop through files
var els = document.getElementsByTagName('link'),
i = els.length,
el;
while (i--) {
if (els[i].href.indexOf('file1.css') !== -1) done();
}
}
});
});
it('supports urls with query arguments', function(done) {
loadjs(['assets/file1.css?x=x'], {
success: function() {
assert.equal(testEl.offsetWidth, 100);
done();
}
});
});
it('supports urls with anchor tags', function(done) {
loadjs(['assets/file1.css#anchortag'], {
success: function() {
assert.equal(testEl.offsetWidth, 100);
done();
}
});
});
it('supports urls with query arguments and anchor tags', function(done) {
loadjs(['assets/file1.css?x=x#anchortag'], {
success: function() {
assert.equal(testEl.offsetWidth, 100);
done();
}
});
});
it('should load external css files', function(done) {
this.timeout(0);
loadjs(['//cdn.muicss.com/mui-0.6.8/css/mui.min.css'], {
success: function() {
var styleObj = getComputedStyle(testEl);
assert.equal(styleObj.getPropertyValue('padding-left'), '15px');
done();
}
});
});
it('should call error on missing external file', function(done) {
this.timeout(0);
loadjs(['//cdn.muicss.com/mui-0.6.8/css/mui-doesnotexist.min.css'], {
success: function() {
throw new Error('Executed success callback');
},
error: function(pathsNotFound) {
var styleObj = getComputedStyle(testEl);
assert.equal(styleObj.getPropertyValue('padding-left'), '0px');
assert.equal(pathsNotFound.length, 1);
done();
}
});
});
// teardown
return after(function() {
// remove test div
testEl.parentNode.removeChild(testEl);
});
});
// ==========================================================================
// Image file loading tests
// ==========================================================================
describe('Image file loading tests', function() {
function assertLoaded(src) {
// loop through images
var imgs = document.getElementsByTagName('img');
Array.prototype.slice.call(imgs).forEach(function(img) {
// verify image was loaded
if (img.src === src) assert.equal(img.naturalWidth > 0, true);
});
}
function assertNotLoaded(src) {
// loop through images
var imgs = document.getElementsByTagName('img');
Array.prototype.slice.call(imgs).forEach(function(img) {
// fail if image was loaded
if (img.src === src) assert.equal(img.naturalWidth, 0);
});
}
it('should load one file', function(done) {
loadjs(['assets/flash.png'], {
success: function() {
assertLoaded('assets/flash.png');
done();
}
});
});
it('should load multiple files', function(done) {
loadjs(['assets/flash.png', 'assets/flash.jpg'], {
success: function() {
assertLoaded('assets/flash.png');
assertLoaded('assets/flash.jpg');
done();
}
});
});
it('detects png|gif|jpg|svg|webp extensions', function(done) {
let files = [
'assets/flash.png',
'assets/flash.gif',
'assets/flash.jpg',
'assets/flash.svg',
'assets/flash.webp'
];
loadjs(files, function() {
files.forEach(file => {assertLoaded(file);});
done();
});
});
it('supports urls with query arguments', function(done) {
var src = 'assets/flash.png?' + Math.random();
loadjs([src], {
success: function() {
assertLoaded(src);
done();
}
});
});
it('supports urls with anchor tags', function(done) {
var src = 'assets/flash.png#' + Math.random();
loadjs([src], {
success: function() {
assertLoaded(src);
done();
}
});
});
it('supports urls with query arguments and anchor tags', function(done) {
var src = 'assets/flash.png';
src += '?' + Math.random();
src += '#' + Math.random();
loadjs([src], {
success: function() {
assertLoaded(src);
done();
}
});
});
it('should support forced "img!" files', function(done) {
var src = 'assets/flash.png?' + Math.random();
loadjs(['img!' + src], {
success: function() {
assertLoaded(src);
done();
}
});
});
it('should call error callback on one invalid path', function(done) {
var src1 = 'assets/flash.png?' + Math.random(),
src2 = 'assets/flash-doesntexist.png?' + Math.random();
loadjs(['img!' + src1, 'img!' + src2], {
success: function() {
throw new Error('Executed success callback');
},
error: function(pathsNotFound) {
assert.equal(pathsNotFound.length, 1);
assertLoaded(src1);
assertNotLoaded(src2);
done();
}
});
});
it('should support mix of img and js', function(done) {
var src = 'assets/flash.png?' + Math.random();
loadjs(['img!' + src, 'assets/file1.js'], {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assertLoaded(src);
done();
}
});
});
it('should load external img files', function(done) {
this.timeout(0);
var src = 'https://www.muicss.com/static/images/mui-logo.png?';
src += Math.random();
loadjs(['img!' + src], {
success: function() {
assertLoaded(src);
done();
}
});
});
it('should call error on missing external file', function(done) {
this.timeout(0);
var src = 'https://www.muicss.com/static/images/';
src += 'mui-logo-doesntexist.png?' + Math.random();
loadjs(['img!' + src], {
success: function() {
throw new Error('Executed success callback');
},
error: function(pathsNotFound) {
assertNotLoaded(src);
done();
}
});
});
});
// ==========================================================================
// API tests
// ==========================================================================
describe('API tests', function() {
it('should throw an error if bundle is already defined', function() {
// define bundle
loadjs(['assets/file1.js'], 'bundle');
// define bundle again
var fn = function() {
loadjs(['assets/file1.js'], 'bundle');
};
expect(fn).to.throw("LoadJS");
});
it('should create a bundle id and a callback inline', function(done) {
loadjs(['assets/file1.js', 'assets/file2.js'], 'bundle', {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(pathsLoaded['file2.js'], true);
done();
}
});
});
it('should chain loadjs object', function(done) {
function bothDone() {
if (pathsLoaded['file1.js'] && pathsLoaded['file2.js']) done();
}
// define bundles
loadjs('assets/file1.js', 'bundle1');
loadjs('assets/file2.js', 'bundle2');
loadjs
.ready('bundle1', {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
bothDone();
}})
.ready('bundle2', {
success: function() {
assert.equal(pathsLoaded['file2.js'], true);
bothDone();
}
});
});
it('should handle multiple dependencies', function(done) {
loadjs('assets/file1.js', 'bundle1');
loadjs('assets/file2.js', 'bundle2');
loadjs.ready(['bundle1', 'bundle2'], {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(pathsLoaded['file2.js'], true);
done();
}
});
});
it('should error on missing depdendencies', function(done) {
loadjs('assets/file1.js', 'bundle1');
loadjs('assets/file-doesntexist.js', 'bundle2');
loadjs.ready(['bundle1', 'bundle2'], {
success: function() {
throw "Executed success callback";
},
error: function(depsNotFound) {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(depsNotFound.length, 1);
assert.equal(depsNotFound[0], 'bundle2');
done();
}
});
});
it('should execute callbacks on .done()', function(done) {
// add handler
loadjs.ready('plugin', {
success: function() {
done();
}
});
// execute done
loadjs.done('plugin');
});
it('should execute callbacks created after .done()', function(done) {
// execute done
loadjs.done('plugin');
// add handler
loadjs.ready('plugin', {
success: function() {
done();
}
});
});
it('should define bundles', function(done) {
// define bundle
loadjs(['assets/file1.js', 'assets/file2.js'], 'bundle');
// use 1 second delay to let files load
setTimeout(function() {
loadjs.ready('bundle', {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(pathsLoaded['file2.js'], true);
done();
}
});
}, 1000);
});
it('should allow bundle callbacks before definitions', function(done) {
// define callback
loadjs.ready('bundle', {
success: function() {
assert.equal(pathsLoaded['file1.js'], true);
assert.equal(pathsLoaded['file2.js'], true);
done();
}
});
// use 1 second delay
setTimeout(function() {
loadjs(['assets/file1.js', 'assets/file2.js'], 'bundle');
}, 1000);
});
it('should reset dependencies statuses', function() {
loadjs(['assets/file1.js'], 'cleared');
loadjs.reset();
// define bundle again
var fn = function() {
loadjs(['assets/file1.js'], 'cleared');
};
expect(fn).not.to.throw("LoadJS");
});
it('should indicate if bundle has already been defined', function() {
loadjs(['assets/file1/js'], 'bundle1');
assert.equal(loadjs.isDefined('bundle1'), true);
assert.equal(loadjs.isDefined('bundleXX'), false);
});
it('should accept success callback functions to loadjs()', function(done) {
loadjs('assets/file1.js', function() {
done();
});
});
it('should accept success callback functions to .ready()', function(done) {
loadjs.done('plugin');
loadjs.ready('plugin', function() {
done();
});
});
it('should return Promise object if returnPromise is true', function() {
var prom = loadjs(['assets/file1.js'], {returnPromise: true});
// verify that response object is a Promise
assert.equal(prom instanceof Promise, true);
});
it('Promise object should support resolutions', function(done) {
var prom = loadjs(['assets/file1.js'], {returnPromise: true});
prom.then(function() {
assert.equal(pathsLoaded['file1.js'], true);
done();
});
});
it('Promise object should support rejections', function(done) {
var prom = loadjs(['assets/file-doesntexist.js'], {returnPromise: true});
prom.then(
function(){},
function(pathsNotFound) {
assert.equal(pathsNotFound.length, 1);
assert.equal(pathsNotFound[0], 'assets/file-doesntexist.js');
done();
}
);
});
it('Promise object should support catches', function(done) {
var prom = loadjs(['assets/file-doesntexist.js'], {returnPromise: true});
prom
.catch(function(pathsNotFound) {
assert.equal(pathsNotFound.length, 1);
assert.equal(pathsNotFound[0], 'assets/file-doesntexist.js');
done();
});
});
it('supports Promises and success callbacks', function(done) {
var numCompleted = 0;
function completedFn() {
numCompleted += 1;
if (numCompleted === 2) done();
};
var prom = loadjs('assets/file1.js', {
success: completedFn,
returnPromise: true
});
prom.then(completedFn);
});
it('supports Promises and bundle ready events', function(done) {
var numCompleted = 0;
function completedFn() {
numCompleted += 1;
if (numCompleted === 2) done();
};
loadjs('assets/file1.js', 'bundle1', {returnPromise: true})
.then(completedFn);
loadjs.ready('bundle1', completedFn);
});
});
});
<MSG> most tests passing
<DFF> @@ -8,7 +8,7 @@ var pathsLoaded = null, // file register
expect = chai.expect;
-describe('hello', function() {
+describe('loadjs tests', function() {
beforeEach(function() {
@@ -24,7 +24,19 @@ describe('hello', function() {
});
});
-
+
+ it('should call fail callback on invalid path', function(done) {
+ loadjs(['assets/file-doesntexist.js'],
+ function() {
+ throw "Executed success callback";
+ },
+ function(pathsNotFound) {
+ // TODO: implement and test pathsNotFound
+ done();
+ });
+ });
+
+
it('should call success callback on two valid paths', function(done) {
loadjs(['assets/file1.js', 'assets/file2.js'], function() {
assert.equal(pathsLoaded['file1.js'], true);
@@ -62,8 +74,10 @@ describe('hello', function() {
it('should throw an error if bundle is already defined', function() {
+ // define bundle
loadjs(['assets/file1.js'], 'bundle3');
+ // define bundle again
var fn = function() {
loadjs(['assets/file1.js'], 'bundle3');
};
@@ -72,9 +86,83 @@ describe('hello', function() {
});
- it('should call fail callback on invalid path', function(done) {
- loadjs(['assets/file-doesntexist.js'],
- function() {throw "Executed success callback";},
- function() {done();});
+ it('should create an id and a callback inline', function(done) {
+ loadjs(['assets/file1.js', 'assets/file2.js'], 'bundle4', function() {
+ assert.equal(pathsLoaded['file1.js'], true);
+ assert.equal(pathsLoaded['file2.js'], true);
+ done();
+ });
+ });
+
+
+ it('should chain loadjs object', function(done) {
+ function bothDone() {
+ if (pathsLoaded['file1.js'] && pathsLoaded['file2.js']) done();
+ }
+
+ // define bundles
+ loadjs('assets/file1.js', 'bundle5');
+ loadjs('assets/file2.js', 'bundle6');
+
+ loadjs
+ .ready('bundle5', function() {
+ assert.equal(pathsLoaded['file1.js'], true);
+ bothDone();
+ })
+ .ready('bundle6', function() {
+ assert.equal(pathsLoaded['file2.js'], true);
+ bothDone();
+ });
+ });
+
+
+ it('should handle multiple dependencies', function(done) {
+ loadjs('assets/file1.js', 'bundle7');
+ loadjs('assets/file2.js', 'bundle8');
+
+ loadjs.ready(['bundle7', 'bundle8'], function() {
+ assert.equal(pathsLoaded['file1.js'], true);
+ assert.equal(pathsLoaded['file2.js'], true);
+ done();
+ });
+ });
+
+
+ it('should fail on missing depdendencies', function(done) {
+ loadjs('assets/file1.js', 'bundle9');
+ loadjs('assets/file-doesntexist.js', 'bundle10');
+
+ loadjs.ready(['bundle9', 'bundle10'],
+ function() {
+ throw "Executed success callback";
+ },
+ function(depsNotFound) {
+ assert.equal(pathsLoaded['file1.js'], true);
+ assert.equal(depsNotFound.length, 1);
+ assert.equal(depsNotFound[0], 'bundle10');
+ done();
+ });
+ });
+
+
+ it('should execute callbacks on .done()', function(done) {
+ // add handler
+ loadjs.ready('plugin1', function() {
+ done();
+ });
+
+ // execute done
+ loadjs.done('plugin1');
+ });
+
+
+ it('should execute callbacks created after .done()', function(done) {
+ // execute done
+ loadjs.done('plugin2');
+
+ // add handler
+ loadjs.ready('plugin2', function() {
+ done();
+ });
});
});
| 94 | most tests passing | 6 | .js | js | mit | muicss/loadjs |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.