fixing bugs

web2d/src/main/javascript/Element.js

@@ -42,7 +42,7 @@ web2d.Element.prototype._initialize = function(attributes)
     {
         var funcName = this._attributeNameToFuncName(key, 'set');
         var funcArgs = batchExecute[funcName];
-        if (!funcArgs)
+        if (!core.Utils.isDefined(funcArgs))
         {
             funcArgs = [];
         }
@@ -63,7 +63,7 @@ web2d.Element.prototype._initialize = function(attributes)
     for (var key in batchExecute)
     {
         var func = this[key];
-        if (!func)
+        if (!core.Utils.isDefined(func))
         {
             throw "Could not find function: " + key;
         }
@@ -223,7 +223,7 @@ web2d.Element.prototype._propertyNameToSignature =
 web2d.Element.prototype._attributeNameToFuncName = function(attributeKey, prefix)
 {
     var signature = this._propertyNameToSignature[attributeKey];
-    if (!signature)
+    if (!core.Utils.isDefined(signature))
     {
         throw "Unsupported attribute: " + attributeKey;
     }
@@ -292,13 +292,13 @@ web2d.Element.prototype.getAttribute = function(key)
 
     var getterResult = getter.apply(this, []);
     var attibuteName = signature[2];
-    if (!attibuteName)
+    if (!core.Utils.isDefined(attibuteName))
     {
         throw "Could not find attribute mapping for:" + key;
     }
 
     var result = getterResult[attibuteName];
-    if (!result)
+    if (!core.Utils.isDefined(result))
     {
         throw "Could not find attribute with name:" + attibuteName;
     }

web2d/src/main/javascript/EventDispatcher.js

@@ -35,7 +35,7 @@ web2d.EventDispatcher = function(element)
 
 web2d.EventDispatcher.prototype.addListener = function(type, listener)
 {
-    if (!listener)
+    if (!core.Utils.isDefined(listener))
     {
         throw "Listener can not be null.";
     }
@@ -44,7 +44,7 @@ web2d.EventDispatcher.prototype.addListener = function(type, listener)
 
 web2d.EventDispatcher.prototype.removeListener = function(type, listener)
 {
-    if (!listener)
+    if (!core.Utils.isDefined(listener))
     {
         throw "Listener can not be null.";
     }

web2d/src/main/javascript/Group.js

@@ -37,7 +37,7 @@ objects.extend(web2d.Group, web2d.Element);
  */
 web2d.Group.prototype.removeChild = function(element)
 {
-    if (!element)
+    if (!core.Utils.isDefined(element))
     {
         throw "Child element can not be null";
     }
@@ -61,7 +61,7 @@ web2d.Group.prototype.removeChild = function(element)
  */
 web2d.Group.prototype.appendChild = function(element)
 {
-    if (!element)
+    if (!core.Utils.isDefined(element))
     {
         throw "Child element can not be null";
     }
@@ -144,7 +144,7 @@ web2d.Group.prototype.getCoordSize = function()
 
 web2d.Group.prototype.appendDomChild = function(DomElement)
 {
-        if (!DomElement)
+        if (!core.Utils.isDefined(DomElement))
     {
         throw "Child element can not be null";
     }

web2d/src/main/javascript/Workspace.js

@@ -56,7 +56,7 @@ web2d.Workspace.prototype._disableTextSelection = function()
     contaier.onselectstart = new Function("return false");
 
     //if the browser is NS6
-    if (window.sidebar)
+    if (core.Utils.isDefined(window.sidebar))
     {
         contaier.onmousedown = disabletext;
         contaier.onclick = reEnable;
@@ -73,7 +73,7 @@ web2d.Workspace.prototype.getType = function()
  */
 web2d.Workspace.prototype.appendChild = function(element)
 {
-    if (!element)
+    if (!core.Utils.isDefined(element))
     {
         throw "Child element can not be null";
     }
@@ -96,7 +96,7 @@ web2d.Workspace.prototype.appendChild = function(element)
  */
 web2d.Workspace.prototype.addItAsChildTo = function(element)
 {
-    if (!element)
+    if (!core.Utils.isDefined(element))
     {
         throw "Workspace div container can not be null";
     }
@@ -232,7 +232,7 @@ web2d.Workspace.prototype.getCoordSize = function()
  */
 web2d.Workspace.prototype.removeChild = function(element)
 {
-    if (!element)
+    if (!core.Utils.isDefined(element))
     {
         throw "Child element can not be null";
     }

web2d/src/main/javascript/peer/svg/ElementPeer.js

@@ -36,7 +36,7 @@ web2d.peer.svg.ElementPeer.prototype.setChildren = function(children)
 web2d.peer.svg.ElementPeer.prototype.getChildren = function()
 {
     var result = this._children;
-    if (!result)
+    if (!core.Utils.isDefined(result))
     {
         result = [];
         this._children = result;
@@ -270,7 +270,7 @@ web2d.peer.svg.ElementPeer.prototype.updateStrokeStyle = function()
 web2d.peer.svg.ElementPeer.prototype.attachChangeEventListener = function(type, listener)
 {
     var listeners = this.getChangeEventListeners(type);
-    if (!listener)
+    if (!core.Utils.isDefined(listener))
     {
         throw "Listener can not be null";
     }
@@ -280,7 +280,7 @@ web2d.peer.svg.ElementPeer.prototype.attachChangeEventListener = function(type,
 web2d.peer.svg.ElementPeer.prototype.getChangeEventListeners = function(type)
 {
     var listeners = this._changeListeners[type];
-    if (!listeners)
+    if (!core.Utils.isDefined(listeners))
     {
         listeners = [];
         this._changeListeners[type] = listeners;

web2d/src/main/javascript/peer/svg/RectPeer.js

@@ -53,7 +53,7 @@ web2d.peer.svg.RectPeer.prototype.setSize = function(width, height)
     web2d.peer.svg.RectPeer.superClass.setSize.call(this, width, height);
 
     var min = width < height?width:height;
-    if (this._arc)
+    if (core.Utils.isDefined(this._arc))
     {
         // Transform percentages to SVG format.
         var arc = (min / 2) * this._arc;

web2d/src/main/javascript/peer/svg/TextPeer.js

@@ -45,7 +45,7 @@ web2d.peer.svg.TextPeer.prototype.setText = function(text)
 {
     text = core.Utils.escapeInvalidTags(text);
     var child = this._native.firstChild;
-    if (child)
+    if (core.Utils.isDefined(child))
     {
         this._native.removeChild(child);
     }
@@ -63,7 +63,7 @@ web2d.peer.svg.TextPeer.prototype.setPosition = function(x, y)
 {
     this._position = {x:x, y:y};
     var height = this._font.getSize();
-    if(this._parent && this._native.getBBox)
+    if(core.Utils.isDefined(this._parent) && core.Utils.isDefined(this._native.getBBox))
         height = this.getHeight();
     var size = parseInt(height);
     this._native.setAttribute('y', y+size*3/4);

web2d/src/main/javascript/peer/utils/EventUtils.js

@@ -21,7 +21,7 @@ web2d.peer.utils.EventUtils =
     broadcastChangeEvent:function (elementPeer, type)
     {
         var listeners = elementPeer.getChangeEventListeners(type);
-        if (listeners)
+        if (core.Utils.isDefined(listeners))
         {
             for (var i = 0; i < listeners.length; i++)
             {