openrat-cms

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continuelist.js (3490B)

      1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
      2 // Distributed under an MIT license: http://codemirror.net/LICENSE
      3 
      4 (function(mod) {
      5   if (typeof exports == "object" && typeof module == "object") // CommonJS
      6     mod(require("../../lib/codemirror"));
      7   else if (typeof define == "function" && define.amd) // AMD
      8     define(["../../lib/codemirror"], mod);
      9   else // Plain browser env
     10     mod(CodeMirror);
     11 })(function(CodeMirror) {
     12   "use strict";
     13 
     14   var listRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]\s|[*+-]\s|(\d+)([.)]))(\s*)/,
     15       emptyListRE = /^(\s*)(>[> ]*|[*+-] \[[x ]\]|[*+-]|(\d+)[.)])(\s*)$/,
     16       unorderedListRE = /[*+-]\s/;
     17 
     18   CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) {
     19     if (cm.getOption("disableInput")) return CodeMirror.Pass;
     20     var ranges = cm.listSelections(), replacements = [];
     21     for (var i = 0; i < ranges.length; i++) {
     22       var pos = ranges[i].head;
     23       var eolState = cm.getStateAfter(pos.line);
     24       var inList = eolState.list !== false;
     25       var inQuote = eolState.quote !== 0;
     26 
     27       var line = cm.getLine(pos.line), match = listRE.exec(line);
     28       var cursorBeforeBullet = /^\s*$/.test(line.slice(0, pos.ch));
     29       if (!ranges[i].empty() || (!inList && !inQuote) || !match || cursorBeforeBullet) {
     30         cm.execCommand("newlineAndIndent");
     31         return;
     32       }
     33       if (emptyListRE.test(line)) {
     34         if (!/>\s*$/.test(line)) cm.replaceRange("", {
     35           line: pos.line, ch: 0
     36         }, {
     37           line: pos.line, ch: pos.ch + 1
     38         });
     39         replacements[i] = "\n";
     40       } else {
     41         var indent = match[1], after = match[5];
     42         var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0
     43           ? match[2].replace("x", " ")
     44           : (parseInt(match[3], 10) + 1) + match[4];
     45 
     46         replacements[i] = "\n" + indent + bullet + after;
     47 
     48         incrementRemainingMarkdownListNumbers(cm, pos);
     49       }
     50     }
     51 
     52     cm.replaceSelections(replacements);
     53   };
     54 
     55   // Auto-updating Markdown list numbers when a new item is added to the
     56   // middle of a list
     57   function incrementRemainingMarkdownListNumbers(cm, pos) {
     58     var startLine = pos.line, lookAhead = 0, skipCount = 0;
     59     var startItem = listRE.exec(cm.getLine(startLine)), startIndent = startItem[1];
     60 
     61     do {
     62       lookAhead += 1;
     63       var nextLineNumber = startLine + lookAhead;
     64       var nextLine = cm.getLine(nextLineNumber), nextItem = listRE.exec(nextLine);
     65 
     66       if (nextItem) {
     67         var nextIndent = nextItem[1];
     68         var newNumber = (parseInt(startItem[3], 10) + lookAhead - skipCount);
     69         var nextNumber = (parseInt(nextItem[3], 10)), itemNumber = nextNumber;
     70 
     71         if (startIndent === nextIndent) {
     72           if (newNumber === nextNumber) itemNumber = nextNumber + 1;
     73           if (newNumber > nextNumber) itemNumber = newNumber + 1;
     74           cm.replaceRange(
     75             nextLine.replace(listRE, nextIndent + itemNumber + nextItem[4] + nextItem[5]),
     76           {
     77             line: nextLineNumber, ch: 0
     78           }, {
     79             line: nextLineNumber, ch: nextLine.length
     80           });
     81         } else {
     82           if (startIndent.length > nextIndent.length) return;
     83           // This doesn't run if the next line immediatley indents, as it is
     84           // not clear of the users intention (new indented item or same level)
     85           if ((startIndent.length < nextIndent.length) && (lookAhead === 1)) return;
     86           skipCount += 1;
     87         }
     88       }
     89     } while (nextItem);
     90   }
     91 });