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// CodeMirror, copyright (c) by Marijn Haverbeke and others |
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// Distributed under an MIT license: http://codemirror.net/LICENSE |
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|
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(function(mod) { |
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if (typeof exports == "object" && typeof module == "object") // CommonJS |
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mod(require("../../lib/codemirror")); |
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else if (typeof define == "function" && define.amd) // AMD |
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define(["../../lib/codemirror"], mod); |
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else // Plain browser env |
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mod(CodeMirror); |
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})(function(CodeMirror) { |
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function continueComment(cm) { |
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if (cm.getOption("disableInput")) return CodeMirror.Pass; |
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var ranges = cm.listSelections(), mode, inserts = []; |
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for (var i = 0; i < ranges.length; i++) { |
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var pos = ranges[i].head |
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if (!/\bcomment\b/.test(cm.getTokenTypeAt(pos))) return CodeMirror.Pass; |
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var modeHere = cm.getModeAt(pos) |
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if (!mode) mode = modeHere; |
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else if (mode != modeHere) return CodeMirror.Pass; |
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|
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var insert = null; |
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if (mode.blockCommentStart && mode.blockCommentContinue) { |
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var line = cm.getLine(pos.line).slice(0, pos.ch) |
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var end = line.lastIndexOf(mode.blockCommentEnd), found |
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if (end != -1 && end == pos.ch - mode.blockCommentEnd.length) { |
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// Comment ended, don't continue it |
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} else if ((found = line.lastIndexOf(mode.blockCommentStart)) > -1 && found > end) { |
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insert = line.slice(0, found) |
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if (/\S/.test(insert)) { |
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insert = "" |
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for (var j = 0; j < found; ++j) insert += " " |
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} |
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} else if ((found = line.indexOf(mode.blockCommentContinue)) > -1 && !/\S/.test(line.slice(0, found))) { |
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insert = line.slice(0, found) |
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} |
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if (insert != null) insert += mode.blockCommentContinue |
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} |
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if (insert == null && mode.lineComment && continueLineCommentEnabled(cm)) { |
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var line = cm.getLine(pos.line), found = line.indexOf(mode.lineComment); |
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if (found > -1) { |
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insert = line.slice(0, found); |
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if (/\S/.test(insert)) insert = null; |
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else insert += mode.lineComment + line.slice(found + mode.lineComment.length).match(/^\s*/)[0]; |
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} |
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} |
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if (insert == null) return CodeMirror.Pass; |
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inserts[i] = "\n" + insert; |
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} |
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|
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cm.operation(function() { |
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for (var i = ranges.length - 1; i >= 0; i--) |
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cm.replaceRange(inserts[i], ranges[i].from(), ranges[i].to(), "+insert"); |
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}); |
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} |
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|
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function continueLineCommentEnabled(cm) { |
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var opt = cm.getOption("continueComments"); |
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if (opt && typeof opt == "object") |
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return opt.continueLineComment !== false; |
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return true; |
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} |
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|
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CodeMirror.defineOption("continueComments", null, function(cm, val, prev) { |
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if (prev && prev != CodeMirror.Init) |
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cm.removeKeyMap("continueComment"); |
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if (val) { |
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var key = "Enter"; |
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if (typeof val == "string") |
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key = val; |
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else if (typeof val == "object" && val.key) |
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key = val.key; |
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var map = {name: "continueComment"}; |
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map[key] = continueComment; |
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cm.addKeyMap(map); |
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} |
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}); |
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}); |
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