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Diffstat (limited to 'devtools/client/shared/sourceeditor/codemirror/addon/edit/continuelist.js')
-rw-r--r-- | devtools/client/shared/sourceeditor/codemirror/addon/edit/continuelist.js | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/devtools/client/shared/sourceeditor/codemirror/addon/edit/continuelist.js b/devtools/client/shared/sourceeditor/codemirror/addon/edit/continuelist.js new file mode 100644 index 0000000000..222995f4d1 --- /dev/null +++ b/devtools/client/shared/sourceeditor/codemirror/addon/edit/continuelist.js @@ -0,0 +1,99 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: https://codemirror.net/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("resource://devtools/client/shared/sourceeditor/codemirror/lib/codemirror.js")); + 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*)$/, + unorderedListRE = /[*+-]\s/; + + CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) { + if (cm.getOption("disableInput")) return CodeMirror.Pass; + var ranges = cm.listSelections(), replacements = []; + for (var i = 0; i < ranges.length; i++) { + var pos = ranges[i].head; + + // If we're not in Markdown mode, fall back to normal newlineAndIndent + var eolState = cm.getStateAfter(pos.line); + var inner = CodeMirror.innerMode(cm.getMode(), eolState); + if (inner.mode.name !== "markdown") { + cm.execCommand("newlineAndIndent"); + return; + } else { + eolState = inner.state; + } + + var inList = eolState.list !== false; + var inQuote = eolState.quote !== 0; + + var line = cm.getLine(pos.line), match = listRE.exec(line); + var cursorBeforeBullet = /^\s*$/.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); + } +}); |