DIMap.as

package
{
	import flash.events.IEventDispatcher;
	import mx.binding.utils.BindingUtils;
	import mx.events.FlexEvent;
	
	[DefaultProperty("mappings")]
	public class DIMap
	{		
		private function addBindingListeners( event:FlexEvent ):void
		{
			for each ( var map:Mapping in mappings )
			{
				if ( event.target is map.target )
				{
					if ( map.targetId != null )
					{
						if ( map.targetId == event.target.id )
						{
							BindingUtils.bindProperty( event.target, map.targetProp, map.source, map.sourceProp );
						}
						else
						{
							continue;
						}
					}
					else
					{
						BindingUtils.bindProperty( event.target, map.targetProp, map.source, map.sourceProp );
					}		
				}
			}
		}
		
		public var mappings:Array;
		
		public function set target( value:IEventDispatcher ):void
		{
			value.addEventListener( FlexEvent.CREATION_COMPLETE, addBindingListeners, true, 0, true );
		}
	}
}

Mapping.as

package
{
	public class Mapping
	{
		public function Mapping()
		{
		}
		
		public var source:Object;
		public var sourceProp:String;
		public var target:Class;
		public var targetProp:String;
		public var targetId:String;
		
	}
}

Sandbox.mxml

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="vertical" 
	 xmlns:local="*">
	
	<mx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.controls.Label;
			import mx.controls.Button;
			import mx.controls.Alert;
			import mx.containers.HBox;
			import flash.utils.getQualifiedClassName;
			import mx.events.FlexEvent;
			import flash.utils.getTimer;
			

			
			private function changeModelValues( event:Event ):void
			{
				var model:Model = Model.instance;
				model.buttonLabel = "new button label";
				model.sampleContent = "content changed in model";
			}
			
			
		
		]]>
	</mx:Script>

	<local:DIMap target="{ testContainer }" >
		<local:Mapping source="{ Model.instance }" sourceProp="buttonLabel" target="{ Button }" targetProp="label" />
		<local:Mapping source="{ Model.instance }" sourceProp="sampleContent" target="{ TextInput }" targetProp="text" targetId="onlyThisTI" />
	</local:DIMap>
	
	<mx:VBox id="testContainer" height="100%" width="100%" >
		<mx:Button width="100"/>
		<mx:Button width="100" />
		<mx:TextInput id="onlyThisTI" width="150" />
		<mx:TextInput width="150" />
		<local:TestBox />
	</mx:VBox>
	
	<mx:Button click="changeModelValues( event )" label="Change Model Values" />
</mx:Application>