tourdeflexmodules/src/spark/layouts/CustomLayoutAnimatedExample.mxml

<?xml version="1.0" encoding="utf-8"?>
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  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
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      http://www.apache.org/licenses/LICENSE-2.0

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  distributed under the License is distributed on an "AS IS" BASIS,
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<s:Module xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" 
			   xmlns:local="*" xmlns:layouts="layouts.*"
			   initialize="init()">
	
	<fx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.rpc.xml.SimpleXMLDecoder;
			import mx.rpc.xml.SimpleXMLEncoder;
			import mx.utils.ArrayUtil;
			
			[Bindable]
			private var items:ArrayCollection;
			
			[Bindable]
			private var filteredItems:ArrayCollection;
			
			[Bindable]
			private var _maxPrice:Number = 1000;
			
			[Bindable]
			private var _camera:Boolean = false;
			
			[Bindable]
			private var _video:Boolean = false;
			
			[Bindable]
			private var _triband:Boolean = false;
			
			[Embed(source="data/catalog.xml", mimeType="application/octet-stream")]
			private var XMLData:Class;
			
			private function init():void
			{
				var data:XML = XML(new XMLData());
				var xmlDoc:XMLDocument = new XMLDocument(data);
                var decoder:SimpleXMLDecoder = new SimpleXMLDecoder(true);
                var object:Object = decoder.decodeXML(xmlDoc);
				
				items = object.catalog.product;
				filteredItems = new ArrayCollection(items.source);
				filteredItems.filterFunction = filter;
			}
			
			private function selectionChange():void
			{
				filteredItems.refresh();
				filterLayout.filter();
			}
			
			private function filter(item:Object):Boolean
			{
				return	(item.price <= _maxPrice) &&
					(!_camera || item.camera) &&
					(!_video || item.video) &&
					(!_triband || item.triband);
			}			
			
		]]>
	</fx:Script>

	<s:Panel title="Custom Layout Sample" width="100%" height="100%">
		
		<s:layout>
			<s:VerticalLayout paddingLeft="10" paddingRight="10" paddingTop="10" paddingBottom="10"/>
		</s:layout>
		
		<s:HGroup>
			<s:Label text="Max Price:"/>
			<s:HSlider id="priceSlider" minimum="0" maximum="1000" snapInterval="100" value="@{_maxPrice}" change="selectionChange()"/>
			<mx:Spacer width="20"/>
			<s:CheckBox label="Camera" selected="@{_camera}" change="selectionChange()"/>
			<s:CheckBox label="Video" selected="@{_video}" change="selectionChange()"/>
			<s:CheckBox label="Triband" selected="@{_triband}" change="selectionChange()"/>
		</s:HGroup>
		
		<s:DataGroup dataProvider="{items}" itemRenderer="renderers.PhoneRenderer" width="100%" height="100%">
			<s:layout>
				<layouts:FilteredTileLayout id="filterLayout" filteredItems="{filteredItems}" />
			</s:layout>
		</s:DataGroup>
		
	</s:Panel>
</s:Module>