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| // CodeMirror, copyright (c) by Marijn Haverbeke and others | |
| // Distributed under an MIT license: http://codemirror.net/LICENSE | |
| (function(mod) { | |
| if (typeof exports == "object" && typeof module == "object") // CommonJS | |
| mod(require("../../lib/codemirror")); | |
| else if (typeof define == "function" && define.amd) // AMD | |
| define(["../../lib/codemirror"], mod); | |
| else // Plain browser env | |
| mod(CodeMirror); | |
| })(function(CodeMirror) { | |
| "use strict"; | |
| var listRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/, | |
| emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/, | |
| unorderedListRE = /[*+-]\s/; | |
| CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { | |
| if (cm.getOption("disableInput")) return CodeMirror.Pass; | |
| var ranges = cm.listSelections(), replacements = []; | |
| for (var i = 0; i < ranges.length; i++) { | |
| var pos = ranges[i].head; | |
| var eolState = cm.getStateAfter(pos.line); | |
| var inList = eolState.list !== false; | |
| var inQuote = eolState.quote !== 0; | |
| var line = cm.getLine(pos.line), match = listRE.exec(line); | |
| var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch)); | |
| if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) { | |
| cm.execCommand("newlineAndIndent"); | |
| return; | |
| } | |
| if (emptyListRE.test(line)) { | |
| if (!/>\s*$/.test(line)) cm.replaceRange("", { | |
| line: pos.line, ch: 0 | |
| }, { | |
| line: pos.line, ch: pos.ch + 1 | |
| }); | |
| replacements[i] = "\n"; | |
| } else { | |
| var indent = match[1], after = match[5]; | |
| var numbered = !(unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0); | |
| var bullet = numbered ? (parseInt(match[3], 10) + 1) + match[4] : match[2].replace("x", " "); | |
| replacements[i] = "\n" + indent + bullet + after; | |
| if (numbered) incrementRemainingMarkdownListNumbers(cm, pos); | |
| } | |
| } | |
| cm.replaceSelections(replacements); | |
| }; | |
| // Auto-updating Markdown list numbers when a new item is added to the | |
| // middle of a list | |
| function incrementRemainingMarkdownListNumbers(cm, pos) { | |
| var startLine = pos.line, lookAhead = 0, skipCount = 0; | |
| var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1]; | |
| do { | |
| lookAhead += 1; | |
| var nextLineNumber = startLine + lookAhead; | |
| var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine); | |
| if (nextItem) { | |
| var nextIndent = nextItem[1]; | |
| var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount); | |
| var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber; | |
| if (startIndent === nextIndent && !isNaN(nextNumber)) { | |
| if (newNumber === nextNumber) itemNumber = nextNumber + 1; | |
| if (newNumber > nextNumber) itemNumber = newNumber + 1; | |
| cm.replaceRange( | |
| nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]), | |
| { | |
| line: nextLineNumber, ch: 0 | |
| }, { | |
| line: nextLineNumber, ch: nextLine.length | |
| }); | |
| } else { | |
| if (startIndent.length > nextIndent.length) return; | |
| // This doesn't run if the next line immediatley indents, as it is | |
| // not clear of the users intention (new indented item or same level) | |
| if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return; | |
| skipCount += 1; | |
| } | |
| } | |
| } while (nextItem); | |
| } | |
| }); | |