[GitHub] [royale-asjs] nihavend opened a new issue #551: Static references in xml menu data throws exception in runtime

[GitBox]

nihavend opened a new issue #551: Static references in xml menu data throws 
exception in runtime
URL: https://github.com/apache/royale-asjs/issues/551
 
 
   When using static references of custom classes in xml data of a component 
causes the exception below
   
   ```
   EventDispatcher.js:73 Uncaught TypeError: Cannot read property '1' of null
       at 
org.apache.royale.binding.ContainerDataBinding.org.apache.royale.binding.DataBindingBase.makeConstantBinding
 (DataBindingBase.js:250)
       at org.apache.royale.binding.ContainerDataBinding.initBindingsHandler 
(ContainerDataBinding.js:107)
       at main.mtest.FindBug.goog.events.EventTarget.fireListeners 
(eventtarget.js:284)
       at Function.goog.events.EventTarget.dispatchEventInternal_ 
(eventtarget.js:382)
       at main.mtest.FindBug.goog.events.EventTarget.dispatchEvent 
(eventtarget.js:196)
       at 
main.mtest.FindBug.org.apache.royale.events.EventDispatcher.dispatchEvent 
(EventDispatcher.js:70)
       at 
main.mtest.FindBug.org.apache.royale.core.HTMLElementWrapper.dispatchEvent 
(HTMLElementWrapper.js:254)
       at main.mtest.FindBug.spark.components.SkinnableContainer.createChildren 
(SkinnableContainer.js:157)
       at main.mtest.FindBug.mx.core.UIComponent.initialize (UIComponent.js:846)
       at main.mtest.FindBug.mx.core.UIComponent.addedToParent 
(UIComponent.js:403)
   ```
   
   Source codes :
   
   UserRole.as
   
   ```
   package main.mtest {
        public class UserRole { 
                public static const ADMIN:String = "ADMIN";
                public static const OPERATION:String = "OPERATION";
                public static const VIEW:String = "VIEW";               
        }
   }
   ```
   
   FindBug.mxml
   ```
   <?xml version="1.0" encoding="utf-8"?>
   <s:Application xmlns:fx="http://ns.adobe.com/mxml/2009";
                           xmlns:s="library://ns.apache.org/royale/spark"
                           xmlns:mx="library://ns.apache.org/royale/mx"
                           paddingBottom="0" paddingTop="0" paddingLeft="0" 
paddingRight="0"
                           height="100%" width="100%" 
                           >
        
        <fx:Metadata>
                [ResourceBundle("messages")]
        </fx:Metadata>
        
        <fx:Script>
                <![CDATA[
                        
                        import mx.resources.ResourceManager;
                        import mx.collections.XMLListCollection;
                        import mx.events.FlexEvent;
                        import mx.events.MenuEvent;
                        
                        [Bindable]
                        public var menuBarData:XMLListCollection = new 
XMLListCollection();
                        
                        
                        public function onCreationComplete():void {
                        }
                        
                        protected function 
creationCompleteHandler(event:FlexEvent):void
                        {
                                
                                var tmpXmlList:XMLListCollection = new 
XMLListCollection();
                                tmpXmlList.source = menuDataXMLList;
                                
                                menuDataXMLList = tmpXmlList.source.copy();
                                
                                menuBarData.source = menuDataXMLList;
                                
                                menuBarData.refresh();
                                
                        }
                        
                        protected function 
itemClickHandler(event:MenuEvent):void {
                        }
                        
                ]]>
        </fx:Script>
        
        <fx:Declarations>
                <fx:XMLList id="menuDataXMLList">
                        <menuitem label="label-1">                      
                                <menuitem label="label-1-1"/>                   
                                <menuitem label="label-1-2"/>                   
                        </menuitem>
                        <menuitem label="{resourceManager.getString('messages', 
'configFiles')}" id="configfiles" role="{UserRole.OPERATION}">                  
                                <menuitem label="label-2-1"/>                   
                                <menuitem label="label-2-2"/>                   
                        </menuitem>
                </fx:XMLList>
        </fx:Declarations>      
        
        <s:layout>
                <s:VerticalLayout gap="10" paddingRight="10" paddingLeft="10" 
paddingTop="10" paddingBottom="20" />
        </s:layout>
        
        <mx:MenuBar id="menuBar_fx_Declarations" width="100%" 
dataProvider="{menuBarData}" horizontalCenter="0"
                                itemClick="itemClickHandler(event)" 
                                labelField="@label" 
                                
creationComplete="creationCompleteHandler(event)"/>
   </s:Application>
   
   ```
   

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