smartxml: normalizing document in loadXML instead of constructor

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

diff --git a/src/smartxml/smartxml.js b/src/smartxml/smartxml.js
index 9862fab..f4aa9fe 100644 (file)
--- a/src/smartxml/smartxml.js
+++ b/src/smartxml/smartxml.js
@@ -1,20 +1,31 @@
 define([
-    'libs/jquery'
-], function($) {
+    'libs/jquery',
+    'libs/underscore',
+    'libs/backbone',
+    'smartxml/events'
+], function($, _, Backbone, events) {
     
 'use strict';
 
 
-var TEXT_NODE = Node.TEXT_NODE, ELEMENT_NODE = Node.ELEMENT_NODE;
+var TEXT_NODE = Node.TEXT_NODE;
 
 
 var DocumentNode = function(nativeNode, document) {
+    if(!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) {
@@ -30,19 +41,41 @@ $.extend(DocumentNode.prototype, {
     },
 
     wrapWith: function(node) {
-        if(this.parent())
+        if(this.parent()) {
             this.before(node);
+        }
         node.append(this);
     },
+
+    triggerChangeEvent: function(type, metaData) {
+        var event = new events.ChangeEvent(type, $.extend({node: this}, metaData || {}));
+        this.document.trigger('change', event);
+    },
 });
 
-var ElementNode = function(nativeNode) {
-    DocumentNode.apply(this, arguments);
+var ElementNode = function(nativeNode, document) {
+    DocumentNode.call(this, 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();
     },
@@ -51,10 +84,12 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         var toret = [],
             document = this.document;
         this._$.contents().each(function() {
-            if(this.nodeType === Node.ELEMENT_NODE)
+            if(this.nodeType === Node.ELEMENT_NODE) {
                 toret.push(document.createElementNode(this));
-            else if(this.nodeType === Node.TEXT_NODE)
+            }
+            else if(this.nodeType === Node.TEXT_NODE) {
                 toret.push(document.createTextNode(this));
+            }
         });
         return toret;
     },
@@ -63,12 +98,43 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
         return this._$.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);
+        if(!silent) {
+            this.triggerChangeEvent('nodeAttrChange', {attr: name, oldVal: oldVal, newVal: value});
+        }
+    },
+
+    getAttrs: function() {
+        var toret = [];
+        for(var i = 0; i < this.nativeNode.attributes.length; i++) {
+            toret.push(this.nativeNode.attributes[i]);
+        }
+        return toret;
     },
 
     append: function(documentNode) {
@@ -77,15 +143,17 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
 
     unwrapContent: function() {
         var parent = this.parent();
-        if(!parent)
+        if(!parent) {
             return;
+        }
 
         var parentContents = parent.contents(),
             myContents = this.contents(),
             myIdx = parent.indexOf(this);
 
-        if(myContents.length === 0)
+        if(myContents.length === 0) {
             return this.detach();
+        }
 
         var moveLeftRange, moveRightRange, leftMerged;
 
@@ -117,12 +185,21 @@ $.extend(ElementNode.prototype, DocumentNode.prototype, {
             element1: parent.contents()[myIdx + (moveLeftRange ? -1 : 0)],
             element2: parent.contents()[myIdx + childrenLength-1 + (moveRightRange ? 1 : 0)]
         };
-    }
+    },
 
+    toXML: function() {
+        var wrapper = $('<div>');
+        wrapper.append(this._getXMLDOMToDump());
+        return wrapper.html();
+    },
+    
+    _getXMLDOMToDump: function() {
+        return this._$;
+    }
 });
 
-var TextNode = function(nativeNode) {
-    DocumentNode.apply(this, arguments);
+var TextNode = function(nativeNode, document) {
+    DocumentNode.call(this, nativeNode, document);
 };
 
 $.extend(TextNode.prototype, DocumentNode.prototype, {
@@ -147,26 +224,43 @@ 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]);
-    }});
+    this.loadXML(xml);
 };
-$.extend(Document.prototype, {
+
+$.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 + '>');
+        }
+        return new this.ElementNodeFactory(from, this);
     },
 
     createTextNode: function(nativeNode) {
         return new this.TextNodeFactory(nativeNode, this);
+    },
+
+    loadXML: function(xml) {
+        defineDocumentProperties(this, $(parseXML(xml)));
+        
+        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) {