editor: canvas - support NullElements - elements that are not inserted into canvas

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

diff --git a/src/wlxml/wlxml.js b/src/wlxml/wlxml.js
index 0505116..f370223 100644 (file)
--- a/src/wlxml/wlxml.js
+++ b/src/wlxml/wlxml.js
@@ -3,8 +3,9 @@ define([
     'libs/underscore',
     'smartxml/smartxml',
     'smartxml/transformations',
-    'wlxml/extensions/metadata/metadata'
-], function($, _, smartxml, transformations, metadataExtension) {
+    'wlxml/extensions/metadata/metadata',
+    'wlxml/extensions/comments/comments'
+], function($, _, smartxml, transformations, metadataExtension, commentExtension) {
     
 'use strict';
 
@@ -58,7 +59,9 @@ var installObject = function(instance, klass) {
     });
     instance.object = Object.create(_.extend({}, methods, transformations));
     _.keys(methods).concat(_.keys(transformations)).forEach(function(key) {
-        instance.object[key] = _.bind(instance.object[key], instance);
+        if(_.isFunction(instance.object[key])) {
+            instance.object[key] = _.bind(instance.object[key], instance);
+        }
     });
 };
 
@@ -88,6 +91,11 @@ $.extend(WLXMLElementNode.prototype, WLXMLDocumentNodeMethods, smartxml.ElementN
         return (_.isUndefined(query.klass) || this.getClass().substr(0, query.klass.length) === query.klass) &&
                (_.isUndefined(query.tagName) || this.getTagName() === query.tagName);
     },
+    hasChild: function(query) {
+        return this.contents().some(function(child) {
+            return child.is(query);
+        }.bind(this));
+    },
     getMetaAttributes: function() {
         var toret = new AttributesList(),
             classParts = [''].concat(this.getClass().split('.')),
@@ -206,12 +214,14 @@ var WLXMLTextNode = function() {
     smartxml.TextNode.apply(this, arguments);
 };
 WLXMLTextNode.prototype = Object.create(smartxml.TextNode.prototype);
-$.extend(WLXMLTextNode.prototype, WLXMLDocumentNodeMethods);
+$.extend(WLXMLTextNode.prototype, WLXMLDocumentNodeMethods, {
+    is: function() { return false; }
+});
 
 var WLXMLDocument = function(xml, options) {
     this.classMethods = {};
     this.classTransformations = {};
-    smartxml.Document.call(this, xml, [metadataExtension]);
+    smartxml.Document.call(this, xml, [metadataExtension, commentExtension]);
     this.options = options;
 };