6 ], function($, _, Backbone, events) {
 
  11 var TEXT_NODE = Node.TEXT_NODE;
 
  14 var DocumentNode = function(nativeNode, document) {
 
  16         throw new Error('undefined document for a node');
 
  18     this.document = document;
 
  19     this._setNativeNode(nativeNode);
 
  23 $.extend(DocumentNode.prototype, {
 
  24     _setNativeNode: function(nativeNode) {
 
  25         this.nativeNode = nativeNode;
 
  26         this._$ = $(nativeNode);
 
  29     detach: function() { this._$.detach(); },
 
  31     sameNode: function(otherNode) {
 
  32         return this.nativeNode === otherNode.nativeNode;
 
  36         return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
 
  39     before: function(node) {
 
  40         this._$.before(node.nativeNode);
 
  43     wrapWith: function(node) {
 
  50     triggerChangeEvent: function(type, metaData) {
 
  51         var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
 
  52         this.document.trigger('change', event);
 
  56 var ElementNode = function(nativeNode, document) {
 
  57     DocumentNode.call(this, nativeNode, document);
 
  60 $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
  61     nodeType: Node.ELEMENT_NODE,
 
  63     setData: function(key, value) {
 
  64         if(value !== undefined) {
 
  65             this._$.data(key, value);
 
  67             this._$.removeData(_.keys(this._$.data()));
 
  72     getData: function(key) {
 
  74             return this._$.data(key);
 
  76         return this._$.data();
 
  79     getTagName: function() {
 
  80         return this.nativeNode.tagName.toLowerCase();
 
  83     contents: function() {
 
  85             document = this.document;
 
  86         this._$.contents().each(function() {
 
  87             if(this.nodeType === Node.ELEMENT_NODE) {
 
  88                 toret.push(document.createElementNode(this));
 
  90             else if(this.nodeType === Node.TEXT_NODE) {
 
  91                 toret.push(document.createTextNode(this));
 
  97     indexOf: function(node) {
 
  98         return this._$.contents().index(node._$);
 
 101     setTag: function(tagName) {
 
 102         var node = this.document.createElementNode({tagName: tagName}),
 
 103             oldTagName = this.getTagName(),
 
 104             myContents = this._$.contents();
 
 106         this.getAttrs().forEach(function(attribute) {
 
 107             node.setAttr(attribute.name, attribute.value, true);
 
 109         node.setData(this.getData());
 
 111         if(this.sameNode(this.document.root)) {
 
 112             defineDocumentProperties(this.document, node._$);
 
 114         this._$.replaceWith(node._$);
 
 115         this._setNativeNode(node._$[0]);
 
 116         this._$.append(myContents);
 
 117         this.triggerChangeEvent('nodeTagChange', {oldTagName: oldTagName, newTagName: this.getTagName()});
 
 120     getAttr: function(name) {
 
 121         return this._$.attr(name);
 
 124     setAttr: function(name, value, silent) {
 
 125         var oldVal = this.getAttr(name);
 
 126         this._$.attr(name, value);
 
 128             this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
 
 132     getAttrs: function() {
 
 134         for(var i = 0; i < this.nativeNode.attributes.length; i++) {
 
 135             toret.push(this.nativeNode.attributes[i]);
 
 140     append: function(documentNode) {
 
 141         this._$.append(documentNode.nativeNode);
 
 144     unwrapContent: function() {
 
 145         var parent = this.parent();
 
 150         var parentContents = parent.contents(),
 
 151             myContents = this.contents(),
 
 152             myIdx = parent.indexOf(this);
 
 154         if(myContents.length === 0) {
 
 155             return this.detach();
 
 158         var moveLeftRange, moveRightRange, leftMerged;
 
 160         if(myIdx > 0 && (parentContents[myIdx-1].nodeType === TEXT_NODE) && (myContents[0].nodeType === TEXT_NODE)) {
 
 161             parentContents[myIdx-1].appendText(myContents[0].getText());
 
 162             myContents[0].detach();
 
 163             moveLeftRange = true;
 
 169         if(!(leftMerged && myContents.length === 1)) {
 
 170             if(myIdx < parentContents.length - 1 && (parentContents[myIdx+1].nodeType === TEXT_NODE) && (myContents[myContents.length-1].nodeType === TEXT_NODE)) {
 
 171                 parentContents[myIdx+1].prependText(myContents[myContents.length-1].getText());
 
 172                 myContents[myContents.length-1].detach();
 
 173                 moveRightRange = true;
 
 177         var childrenLength = this.contents().length;
 
 178         this.contents().forEach(function(child) {
 
 185             element1: parent.contents()[myIdx + (moveLeftRange ? -1 : 0)],
 
 186             element2: parent.contents()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
 
 191         var wrapper = $('<div>');
 
 192         wrapper.append(this._getXMLDOMToDump());
 
 193         return wrapper.html();
 
 196     _getXMLDOMToDump: function() {
 
 201 var TextNode = function(nativeNode, document) {
 
 202     DocumentNode.call(this, nativeNode, document);
 
 205 $.extend(TextNode.prototype, DocumentNode.prototype, {
 
 206     nodeType: Node.TEXT_NODE,
 
 208     getText: function() {
 
 209         return this.nativeNode.data;
 
 212     setText: function(text) {
 
 213         this.nativeNode.data = text;
 
 214         this.triggerTextChangeEvent();
 
 217     appendText: function(text) {
 
 218         this.nativeNode.data = this.nativeNode.data + text;
 
 219         this.triggerTextChangeEvent();
 
 222     prependText: function(text) {
 
 223         this.nativeNode.data = text + this.nativeNode.data;
 
 224         this.triggerTextChangeEvent();
 
 227     triggerTextChangeEvent: function() {
 
 228         var event = new events.ChangeEvent('nodeTextChange', {node: this});
 
 229         this.document.trigger('change', event);
 
 234 var parseXML = function(xml) {
 
 238 var Document = function(xml) {
 
 242 $.extend(Document.prototype, Backbone.Events, {
 
 243     ElementNodeFactory: ElementNode,
 
 244     TextNodeFactory: TextNode,
 
 246     createElementNode: function(from) {
 
 247         if(!(from instanceof HTMLElement)) {
 
 248             from = $('<' + from.tagName + '>');
 
 250         return new this.ElementNodeFactory(from, this);
 
 253     createTextNode: function(nativeNode) {
 
 254         return new this.TextNodeFactory(nativeNode, this);
 
 257     loadXML: function(xml, options) {
 
 258         options = options || {};
 
 259         defineDocumentProperties(this, $(parseXML(xml)));
 
 260         if(!options.silent) {
 
 261             this.trigger('contentSet');
 
 266         return this.root.toXML();
 
 270 var defineDocumentProperties = function(doc, $document) {
 
 271     Object.defineProperty(doc, 'root', {get: function() {
 
 272         return doc.createElementNode($document[0]);
 
 273     }, configurable: true});
 
 274     Object.defineProperty(doc, 'dom', {get: function() {
 
 276     }, configurable: true});
 
 280     documentFromXML: function(xml) {
 
 281         return new Document(parseXML(xml));
 
 284     elementNodeFromXML: function(xml) {
 
 285         return this.documentFromXML(xml).root;
 
 289     DocumentNode: DocumentNode,
 
 290     ElementNode: ElementNode