mustella/tests/mx/collections/AsyncListView/SWFs/assets/PagedDataComp7.mxml

<?xml version="1.0" encoding="utf-8"?>
<!--

  Licensed to the Apache Software Foundation (ASF) under one or more
  contributor license agreements.  See the NOTICE file distributed with
  this work for additional information regarding copyright ownership.
  The ASF licenses this file to You under the Apache License, Version 2.0
  (the "License"); you may not use this file except in compliance with
  the License.  You may obtain a copy of the License at

      http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

-->
<s:Group
	xmlns:fx="http://ns.adobe.com/mxml/2009"
	xmlns:mx="library://ns.adobe.com/flex/mx"
	xmlns:s="library://ns.adobe.com/flex/spark">

	<!-- 
		This one is sortable! 
		List 
			contains ListCollectionView (sortable) 
				contains AsyncListView (handles IPEs) 
					contains ItemPendingErrorSimulator (has data and throws IPEs)
	-->

	<fx:Script>
		<![CDATA[

		import flash.events.Event;
		import mx.collections.*;
		import mx.collections.errors.*;
		import mx.events.CollectionEvent;

		// These are new in this component so we can sort.
		public var lcv:ListCollectionView;
		public var theSort:Sort;
		
		// Public so we can access it, e.g., to be sure it dispatches events.
		public var alv:AsyncListView; 

		// The ever famous simulator.
		public var theSimulator:ItemPendingErrorSimulator;
		
		// Added items start at 5000 so we can tell which ones those are.
		public var addedItems:int = 5000;

		/**
		*	This allows you to set a bunch of parameters.
		**/
		public function setup( responseDelay:int = 500,
								numItems:int = 100,
								numPreloadedPages:int = 0,
								pageSize:int = 1,
								mode:String = 'manual',
								failureProbability:int = 0,
								createPendingItemFunction:Boolean = true,
								createFailedItemFunction:Boolean = true):void{

			theSimulator = new ItemPendingErrorSimulator(); 

			theSimulator.responseDelay = responseDelay;
			theSimulator.numItems = numItems;
			theSimulator.numPreloadedPages = numPreloadedPages;
			theSimulator.pageSize = pageSize;
			theSimulator.mode = mode;
			theSimulator.failureProbability = failureProbability;
			theSimulator.objectFactory = theObjectFactory;
			theSimulator.reset();

			alv = new AsyncListView(theSimulator);
			
			if(createPendingItemFunction)
				alv.createPendingItemFunction = pendingFunction;
	
			if(createFailedItemFunction)
				alv.createFailedItemFunction = errorFunction;		

			lcv = new ListCollectionView(alv);

			theList.dataProvider = lcv;
		}

		public function pendingFunction(i:int, obj:Object):Object{
			return {info: "item " + i.toString() + " pending", status: "pending"};
		}

		public function errorFunction(i:int, obj:Object):Object{
			return {info: "item " + i.toString() + " failed", status: "failed"};
		}

		public function theObjectFactory(i:int):Object{
			return {info: "item " + i.toString() + " present", status: "present"};
		}

		public function sort(reverse:Boolean = false):void{
			theSort = new Sort();
			theSort.fields = [new SortField("info", true)];

			if(reverse)
				theSort.reverse();

			lcv.sort = theSort;			
			lcv.refresh();
		}

		]]>
	</fx:Script>

	<s:List id="theList" useVirtualLayout="true" height="200">
		<s:itemRenderer>
			<fx:Component>
					<s:ItemRenderer>
						<fx:Script>
						<![CDATA[
							private function getColor(obj:Object):uint{
								if(obj == null)
									return 0x888888;
								else if(obj.status == "pending")
									return 0xeeffee;
								else if(obj.status == "failed")
									return 0xffeeee;
								else
									return 0xffffff;
							}
							
							override public function set data(obj:Object):void{
								super.data = obj;
								
								if(data == null)
									nameLabel.text = "null";
								else
									nameLabel.text = data.info;
							}
						]]>
						</fx:Script>
						<s:states>
							<s:State name="normal" />
							<s:State name="hovered" />
							<s:State name="selected" />
						</s:states>
						<s:Rect left="0" right="0" top="0" bottom="0" id="theRect" >
							<s:fill>
								<s:SolidColor color="{getColor(data)}" id="theSolidColor" />
							</s:fill>
						</s:Rect>
						<s:Label id="nameLabel" top="5" left="5" right="5" />
					</s:ItemRenderer>
			</fx:Component>
		</s:itemRenderer>
	</s:List>
</s:Group>