4 ], function(utils, datetime) {
 
   9 var gridToggled = false;
 
  13     register: function(name, command) {
 
  14         this._cmds[name] = command;
 
  17     run: function(name, params, canvas, user) {
 
  18         return this._cmds[name](canvas, params, user);
 
  22 commands.register('undo', function(canvas) {
 
  23     var doc = canvas.wlxmlDocument;
 
  28 commands.register('redo', function(canvas) {
 
  29     var doc = canvas.wlxmlDocument;
 
  34 commands.register('remove-node', function(canvas) {
 
  35     canvas.getCurrentNodeElement().data('wlxmlNode').detach();
 
  38 commands.register('unwrap-node', function(canvas) {
 
  39     var cursor = canvas.getCursor(),
 
  40         selectionStart = cursor.getSelectionStart(),
 
  41         selectionEnd = cursor.getSelectionEnd(),
 
  42         parent1 = selectionStart.element.parent() || undefined,
 
  43         parent2 = selectionEnd.element.parent() || undefined;
 
  45     var selectionAnchor = cursor.getSelectionAnchor(),
 
  46         node1 = parent1.data('wlxmlNode'),
 
  47         node2 = parent2.data('wlxmlNode'),
 
  49     if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
 
  50         doc.extractItems({item1: node1, item2: node2});
 
  51         canvas.setCurrentElement(selectionAnchor.element, {caretTo: selectionAnchor.offset});
 
  52     } else if(!cursor.isSelecting()) {
 
  53         var nodeToUnwrap = cursor.getPosition().element.data('wlxmlNode'),
 
  54             parentNode = nodeToUnwrap.unwrap();
 
  56             canvas.setCurrentElement(utils.findCanvasElement(parentNode));
 
  61 commands.register('wrap-node', function(canvas) {
 
  62     var cursor = canvas.getCursor(),
 
  63         selectionStart = cursor.getSelectionStart(),
 
  64         selectionEnd = cursor.getSelectionEnd(),
 
  65         parent1 = selectionStart.element.parent() || undefined,
 
  66         parent2 = selectionEnd.element.parent() || undefined;
 
  68     var node1 = parent1.data('wlxmlNode'),
 
  69         node2 = parent2.data('wlxmlNode'),
 
  72     if(doc.areItemsOfSameList({node1: node1, node2: node2})) {
 
  73         doc.createList({node1: node1, node2: node2});
 
  77 commands.register('list', function(canvas, params) {
 
  79     var cursor = canvas.getCursor(),
 
  80         selectionStart = cursor.getSelectionStart(),
 
  81         selectionEnd = cursor.getSelectionEnd(),
 
  82         parent1 = selectionStart.element.parent() || undefined,
 
  83         parent2 = selectionEnd.element.parent() || undefined;
 
  85     var selectionFocus = cursor.getSelectionFocus();
 
  87     if(selectionStart.element.isInsideList() || selectionEnd.element.isInsideList()) {
 
  91     var node1 = parent1.data('wlxmlNode'),
 
  92         node2 = parent2.data('wlxmlNode'),
 
  95     doc.createList({node1: node1, node2: node2});
 
  96     canvas.setCurrentElement(selectionFocus.element, {caretTo: selectionFocus.offset});
 
  99 commands.register('toggle-grid', function(canvas, params) {
 
 100     canvas.doc().dom().parent().toggleClass('grid-on', params.toggle);
 
 101     gridToggled = params.toggle;
 
 104 commands.register('newNodeRequested', function(canvas, params, user) {
 
 105     var cursor = canvas.getCursor(),
 
 106         selectionStart = cursor.getSelectionStart(),
 
 107         selectionEnd = cursor.getSelectionEnd(),
 
 108         wlxmlNode, caretTo, wrapper, wrapperCanvasElement;
 
 110     var insertNode = function(insertion) {
 
 111         var doc = canvas.wlxmlDocument,
 
 112             node, metadata, creator;
 
 114         doc.startTransaction();
 
 116         if(node.getTagName() === 'aside' && node.getClass() === 'comment') {
 
 120                     creator += ' (' + user.email + ')';
 
 123                 creator = 'anonymous';
 
 126             metadata = node.getMetadata();
 
 127             metadata.add({key: 'creator', value: creator});
 
 128             metadata.add({key: 'date', value: datetime.currentStrfmt()});
 
 130         doc.endTransaction();
 
 135     if(cursor.isSelecting()) {
 
 136         if(cursor.isSelectingSiblings()) {
 
 137             if(cursor.isSelectingWithinElement()) {
 
 138                 wlxmlNode = selectionStart.element.data('wlxmlNode');
 
 139                 caretTo = selectionStart.offset < selectionEnd.offset ? 'start' : 'end';
 
 141                 wrapper = insertNode(function() {
 
 142                     return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}, start: selectionStart.offset, end: selectionEnd.offset});
 
 144                 wrapperCanvasElement = utils.findCanvasElement(wrapper);
 
 145                 canvas.setCurrentElement(wrapperCanvasElement.children()[0], {caretTo: caretTo});
 
 148                 wlxmlNode = selectionStart.element.data('wlxmlNode').parent();
 
 149                 caretTo = selectionStart.element.sameNode(cursor.getSelectionAnchor().element) ? 'end' : 'start';
 
 151                 wrapper = insertNode(function() {
 
 152                     return wlxmlNode.wrapText({
 
 153                         _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}},
 
 154                         offsetStart: selectionStart.offset,
 
 155                         offsetEnd: selectionEnd.offset,
 
 156                         textNodeIdx: [wlxmlNode.indexOf(selectionStart.element.data('wlxmlNode')), wlxmlNode.indexOf(selectionEnd.element.data('wlxmlNode'))] //parent.childIndex(selectionEnd.element)]
 
 159                 wrapperCanvasElement = utils.findCanvasElement(wrapper);
 
 160                 canvas.setCurrentElement(wrapperCanvasElement.children()[caretTo === 0 ? 0 : wrapperCanvasElement.children().length - 1], {caretTo: caretTo});
 
 163             var node1 = selectionStart.element.data('wlxmlNode'),
 
 164                 node2 = selectionEnd.element.data('wlxmlNode'),
 
 165                 siblingParents = canvas.wlxmlDocument.getSiblingParents({node1: node1, node2: node2});
 
 168                 insertNode(function() {
 
 169                     return canvas.wlxmlDocument.wrapNodes({
 
 170                         node1: siblingParents.node1,
 
 171                         node2: siblingParents.node2,
 
 172                         _with: {tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}}
 
 177     } else if(canvas.getCurrentNodeElement()) {
 
 178         wlxmlNode = canvas.getCurrentNodeElement().data('wlxmlNode');
 
 180             wrapper = insertNode(function() {
 
 181                 return wlxmlNode.wrapWith({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}});
 
 184             wrapper = insertNode(function() {
 
 185                 var node = wlxmlNode.after({tagName: params.wlxmlTag, attrs: {'class': params.wlxmlClass}});
 
 186                 node.append({text:''});
 
 190         canvas.setCurrentElement(utils.findCanvasElement(wrapper));
 
 196 commands.register('footnote', function(canvas, params) {
 
 198     var cursor = canvas.getCursor(),
 
 199         position = cursor.getPosition(),
 
 200         asideNode, asideElement, node;
 
 203     if(cursor.isSelectingWithinElement()) {
 
 204         asideNode = position.element.data('wlxmlNode').wrapWith({tagName: 'aside', attrs:{'class': 'footnote'}, start: cursor.getSelectionStart().offset, end: cursor.getSelectionEnd().offset});
 
 206         node = position.element.data('wlxmlNode');
 
 207         node.document.transaction(function() {
 
 208             asideNode = node.divideWithElementNode({tagName: 'aside', attrs:{'class': 'footnote'}}, {offset: position.offset});
 
 209             asideNode.append({text: ''});
 
 213     asideElement = utils.findCanvasElement(asideNode);
 
 214     asideElement.toggle(true);
 
 215     canvas.setCurrentElement(asideElement);
 
 218 commands.register('take-away-node', function(canvas) {
 
 219     var position = canvas.getCursor().getPosition(),
 
 220         element = position.element,
 
 221         nodeElement = element ? element.parent() : canvas.getCurrentNodeElement();
 
 223     if(!nodeElement || !(nodeElement.parent())) {
 
 227     var range = nodeElement.data('wlxmlNode').unwrapContent();
 
 230         var elementIsFirstChild = nodeElement.childIndex(element);
 
 231         if(element.bound()) {
 
 232             canvas.setCurrentElement(element, {caretTo: position.offset});
 
 234             if(elementIsFirstChild) {
 
 235                 canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'end'});
 
 237                 canvas.setCurrentElement(utils.findCanvasElement(range.element2), {caretTo: 'end'});
 
 241         canvas.setCurrentElement(utils.findCanvasElement(range.element1), {caretTo: 'start'});
 
 248     run: function(name, params, canvas, user) {
 
 249         return commands.run(name, params, canvas, user);