karmaworld/apps/wysihtml5/static/wysihtml5/wysihtml-0.4.17/src/commands/outdentList.js

   1 wysihtml5.commands.outdentList = {
   2   exec: function(composer, command, value) {
   3     var listEls = composer.selection.getSelectionParentsByTag('LI');
   4     if (listEls) {
   5       return this.tryToPullLiLevel(listEls, composer);
   6     }
   7     return false;
   8   },
   9
  10   state: function(composer, command) {
  11       return false;
  12   },
  13
  14   tryToPullLiLevel: function(liNodes, composer) {
  15     var listNode, outerListNode, outerLiNode, list, prevLi, liNode, afterList,
  16         found = false,
  17         that = this;
  18
  19     composer.selection.executeAndRestoreRangy(function() {
  20
  21       for (var i = liNodes.length; i--;) {
  22         liNode = liNodes[i];
  23         if (liNode.parentNode) {
  24           listNode = liNode.parentNode;
  25
  26           if (listNode.tagName === 'OL' || listNode.tagName === 'UL') {
  27             found = true;
  28
  29             outerListNode = wysihtml5.dom.getParentElement(listNode.parentNode, { nodeName: ['OL', 'UL']}, false, composer.element);
  30             outerLiNode = wysihtml5.dom.getParentElement(listNode.parentNode, { nodeName: ['LI']}, false, composer.element);
  31
  32             if (outerListNode && outerLiNode) {
  33
  34               if (liNode.nextSibling) {
  35                 afterList = that.getAfterList(listNode, liNode);
  36                 liNode.appendChild(afterList);
  37               }
  38               outerListNode.insertBefore(liNode, outerLiNode.nextSibling);
  39
  40             } else {
  41
  42               if (liNode.nextSibling) {
  43                 afterList = that.getAfterList(listNode, liNode);
  44                 liNode.appendChild(afterList);
  45               }
  46
  47               for (var j = liNode.childNodes.length; j--;) {
  48                 listNode.parentNode.insertBefore(liNode.childNodes[j], listNode.nextSibling);
  49               }
  50
  51               listNode.parentNode.insertBefore(document.createElement('br'), listNode.nextSibling);
  52               liNode.parentNode.removeChild(liNode);
  53
  54             }
  55
  56             // cleanup
  57             if (listNode.childNodes.length === 0) {
  58                 listNode.parentNode.removeChild(listNode);
  59             }
  60           }
  61         }
  62       }
  63
  64     });
  65     return found;
  66   },
  67
  68   getAfterList: function(listNode, liNode) {
  69     var nodeName = listNode.nodeName,
  70         newList = document.createElement(nodeName);
  71
  72     while (liNode.nextSibling) {
  73       newList.appendChild(liNode.nextSibling);
  74     }
  75     return newList;
  76   }
  77
  78 };