smartxml: wrapping TextNode content
[fnpeditor.git] / src / smartxml / smartxml.js
index bac53af..2e507db 100644 (file)
@@ -1,8 +1,9 @@
 define([
     'libs/jquery',
+    'libs/underscore',
     'libs/backbone',
     'smartxml/events'
-], function($, Backbone, events) {
+], function($, _, Backbone, events) {
     
 'use strict';
 
@@ -15,15 +16,20 @@ var DocumentNode = function(nativeNode, document) {
         throw new Error('undefined document for a node');
     }
     this.document = document;
-    this.nativeNode = nativeNode;
-    this._$ = $(nativeNode);
+    this._setNativeNode(nativeNode);
+
 };
 
 $.extend(DocumentNode.prototype, {
+    _setNativeNode: function(nativeNode) {
+        this.nativeNode = nativeNode;
+        this._$ = $(nativeNode);
+    },
+
     detach: function() { this._$.detach(); },
 
     sameNode: function(otherNode) {
-        return this.nativeNode === otherNode.nativeNode;
+        return otherNode && this.nativeNode === otherNode.nativeNode;
     },
 
     parent: function() {
@@ -35,10 +41,13 @@ $.extend(DocumentNode.prototype, {
     },
 
     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) {
@@ -54,6 +63,22 @@ var ElementNode = function(nativeNode, document) {
 $.extend(ElementNode.prototype, DocumentNode.prototype, {
     nodeType: Node.ELEMENT_NODE,
 
+    setData: function(key, value) {
+        if(value !== undefined) {
+            this._$.data(key, value);
+        } else {
+            this._$.removeData(_.keys(this._$.data()));
+            this._$.data(key);
+        }
+    },
+
+    getData: function(key) {
+        if(key) {
+            return this._$.data(key);
+        }
+        return this._$.data();
+    },
+
     getTagName: function() {
         return this.nativeNode.tagName.toLowerCase();
     },
@@ -76,14 +101,35 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         return this._$.contents().index(node._$);
     },
 
+    setTag: function(tagName) {
+        var node = this.document.createElementNode({tagName: tagName}),
+            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()});
+    },
+
     getAttr: function(name) {
         return this._$.attr(name);
     },
 
-    setAttr: function(name, value) {
+    setAttr: function(name, value, silent) {
         var oldVal = this.getAttr(name);
         this._$.attr(name, value);
-        this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
+        if(!silent) {
+            this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
+        }
     },
 
     getAttrs: function() {
@@ -146,8 +192,12 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
     toXML: function() {
         var wrapper = $('<div>');
-        wrapper.append(this._$);
+        wrapper.append(this._getXMLDOMToDump());
         return wrapper.html();
+    },
+    
+    _getXMLDOMToDump: function() {
+        return this._$;
     }
 });
 
@@ -162,12 +212,24 @@ $.extend(TextNode.prototype, DocumentNode.prototype, {
         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);
     }
 });
 
@@ -177,33 +239,45 @@ var parseXML = function(xml) {
 };
 
 var Document = function(xml) {
-    var $document = $(parseXML(xml));
-
-    var doc = this;
-    Object.defineProperty(this, 'root', {get: function() {
-        return doc.createElementNode($document[0]);
-    }});
-    Object.defineProperty(this, 'dom', {get: function() {
-        return $document[0];
-    }});
+    this.loadXML(xml);
 };
+
 $.extend(Document.prototype, Backbone.Events, {
     ElementNodeFactory: ElementNode,
     TextNodeFactory: TextNode,
 
-    createElementNode: function(nativeNode) {
-        return new this.ElementNodeFactory(nativeNode, this);
+    createElementNode: function(from) {
+        if(!(from instanceof HTMLElement)) {
+            from = $('<' + from.tagName + '>')[0];
+        }
+        return new this.ElementNodeFactory(from, this);
     },
 
     createTextNode: function(nativeNode) {
         return new this.TextNodeFactory(nativeNode, this);
     },
 
+    loadXML: function(xml, options) {
+        options = options || {};
+        defineDocumentProperties(this, $(parseXML(xml)));
+        if(!options.silent) {
+            this.trigger('contentSet');
+        }
+    },
+
     toXML: function() {
         return this.root.toXML();
     }
 });
 
+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) {