MainView.mxml

<?xml version="1.0" encoding="utf-8"?>
<s:Group xmlns:fx="http://ns.adobe.com/mxml/2009" 
		 xmlns:s="library://ns.adobe.com/flex/spark" 
		 xmlns:mx="library://ns.adobe.com/flex/mx" 
		 width="100%" height="100%" xmlns:views="com.adams.scrum.views.*"
		 xmlns:mediators="com.adams.scrum.views.mediators.*" 
		 creationComplete="creationCompleteHandler(event)">
	
	<fx:Binding destination="moduleIndex" source="{currentInstance.mainViewStackIndex}"/>
	<fx:Script> 
		<![CDATA[ 
			import com.adams.scrum.models.vo.CurrentInstance;
			
			import mx.binding.utils.BindingUtils;
			import mx.binding.utils.ChangeWatcher;
			import mx.events.FlexEvent;
			import com.adams.scrum.utils.Utils;
			
			[Bindable]
			[Inject]
			public var currentInstance:CurrentInstance;  
			
			private var part:stagePanel; 
			protected function creationCompleteHandler(event:FlexEvent):void
			{
				part = new stagePanel();
				addElement(part);
				part.url = Utils.VIEW_INDEX_ARR[0];
			}
			protected function changeModuleIndex():void{
				part.url ='';
				part.url = Utils.VIEW_INDEX_ARR[moduleIndex];
			}
			private var _moduleIndex:int;
			public function get moduleIndex():int
			{
				return _moduleIndex;
			}
			
			public function set moduleIndex(value:int):void
			{
				_moduleIndex = value;
				changeModuleIndex()
			} 
		]]>  
	</fx:Script>
	<fx:Declarations>
		<fx:Component id="componentGroup" className="stagePanel">
			<s:Group width="100%" height="100%">
				<fx:Script>
					<![CDATA[
						import mx.events.FlexEvent;
						[Bindable]
						private var _url:String;
						public function get url():String
						{
							return _url;
						}
						
						public function set url(value:String):void
						{
							_url = value;
							_url.length>0 ?	ml.loadModule(_url) : ml.unloadModule();
						}

					]]>
				</fx:Script>
				<s:layout>
					<s:VerticalLayout horizontalAlign="center" />
				</s:layout>
				<mx:ModuleLoader id="ml" width="100%" height="100%"
								 applicationDomain="{ApplicationDomain.currentDomain}" /> 
			</s:Group>
		</fx:Component>
	</fx:Declarations>
	<s:layout>
		<s:VerticalLayout horizontalAlign="center"/>
	</s:layout> 
 </s:Group>