smartxml: fixing inheritance to support for instanceof operator to work properly

[fnpeditor.git] / src / smartxml / smartxml.js

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 9a3ba26..a396d3e 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -29,22 +29,33 @@ $.extend(DocumentNode.prototype, {
     detach: function() { this._$.detach(); },
 
     sameNode: function(otherNode) {
-        return this.nativeNode === otherNode.nativeNode;
+        return otherNode && this.nativeNode === otherNode.nativeNode;
     },
 
     parent: function() {
         return this.nativeNode.parentNode ? this.document.createElementNode(this.nativeNode.parentNode) : null;
     },
 
+    after: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
+        this._$.after(node.nativeNode);
+        return node;
+    },
+
     before: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
         this._$.before(node.nativeNode);
+        return node;
     },
 
     wrapWith: function(node) {
+        node = node instanceof ElementNode ? node : this.document.createElementNode(node);
+
         if(this.parent()) {
             this.before(node);
         }
         node.append(this);
+        return node;
     },
 
     triggerChangeEvent: function(type, metaData) {
@@ -56,8 +67,9 @@ $.extend(DocumentNode.prototype, {
 var ElementNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
+ElementNode.prototype = Object.create(DocumentNode.prototype);
 
-$.extend(ElementNode.prototype, DocumentNode.prototype, {
+$.extend(ElementNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
     setData: function(key, value) {
@@ -100,15 +112,20 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
     setTag: function(tagName) {
         var node = this.document.createElementNode({tagName: tagName}),
-            oldTagName = this.getTagName();
+            oldTagName = this.getTagName(),
+            myContents = this._$.contents();
 
         this.getAttrs().forEach(function(attribute) {
             node.setAttr(attribute.name, attribute.value, true);
         });
         node.setData(this.getData());
 
+        if(this.sameNode(this.document.root)) {
+            defineDocumentProperties(this.document, node._$);
+        }
         this._$.replaceWith(node._$);
         this._setNativeNode(node._$[0]);
+        this._$.append(myContents);
         this.triggerChangeEvent('nodeTagChange', {oldTagName: oldTagName, newTagName: this.getTagName()});
     },
 
@@ -184,28 +201,45 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
     toXML: function() {
         var wrapper = $('<div>');
-        wrapper.append(this._$);
+        wrapper.append(this._getXMLDOMToDump());
         return wrapper.html();
+    },
+    
+    _getXMLDOMToDump: function() {
+        return this._$;
     }
 });
 
 var TextNode = function(nativeNode, document) {
     DocumentNode.call(this, nativeNode, document);
 };
+TextNode.prototype = Object.create(DocumentNode.prototype);
 
-$.extend(TextNode.prototype, DocumentNode.prototype, {
+$.extend(TextNode.prototype, {
     nodeType: Node.TEXT_NODE,
 
     getText: function() {
         return this.nativeNode.data;
     },
 
+    setText: function(text) {
+        this.nativeNode.data = text;
+        this.triggerTextChangeEvent();
+    },
+
     appendText: function(text) {
         this.nativeNode.data = this.nativeNode.data + text;
+        this.triggerTextChangeEvent();
     },
 
     prependText: function(text) {
         this.nativeNode.data = text + this.nativeNode.data;
+        this.triggerTextChangeEvent();
+    },
+
+    triggerTextChangeEvent: function() {
+        var event = new events.ChangeEvent('nodeTextChange', {node: this});
+        this.document.trigger('change', event);
     }
 });
 
@@ -224,7 +258,11 @@ $.extend(Document.prototype, Backbone.Events, {
 
     createElementNode: function(from) {
         if(!(from instanceof HTMLElement)) {
-            from = $('<' + from.tagName + '>');
+            if(from.text) {
+                from = document.createTextNode(from.text);
+            } else {
+                from = $('<' + from.tagName + '>')[0];
+            }
         }
         return new this.ElementNodeFactory(from, this);
     },
@@ -233,18 +271,12 @@ $.extend(Document.prototype, Backbone.Events, {
         return new this.TextNodeFactory(nativeNode, this);
     },
 
-    loadXML: function(xml) {
-        var $document = $(parseXML(xml));
-
-        var doc = this;
-        Object.defineProperty(this, 'root', {get: function() {
-            return doc.createElementNode($document[0]);
-        }, configurable: true});
-        Object.defineProperty(this, 'dom', {get: function() {
-            return $document[0];
-        }, configurable: true});
-        
-        this.trigger('contentSet');
+    loadXML: function(xml, options) {
+        options = options || {};
+        defineDocumentProperties(this, $(parseXML(xml)));
+        if(!options.silent) {
+            this.trigger('contentSet');
+        }
     },
 
     toXML: function() {
@@ -252,6 +284,14 @@ $.extend(Document.prototype, Backbone.Events, {
     }
 });
 
+var defineDocumentProperties = function(doc, $document) {
+    Object.defineProperty(doc, 'root', {get: function() {
+        return doc.createElementNode($document[0]);
+    }, configurable: true});
+    Object.defineProperty(doc, 'dom', {get: function() {
+        return $document[0];
+    }, configurable: true});
+};
 
 return {
     documentFromXML: function(xml) {