www.pudn.com > photoFlow_AS3_001.rar > PreloadSetManager.as

package com.flashloaded.as3{ 
	import com.flashloaded.as3.Collection; 
	import com.flashloaded.as3.Item; 
	import com.flashloaded.as3.ItemCollection; 
	import flash.events.Event; 
	import com.flashloaded.as3.CustomEvent; 
	import flash.events.EventDispatcher; 
	import com.flashloaded.as3.Iterator; 
	 
	public class PreloadSetManager extends EventDispatcher{ 
		 
		private var items:ItemCollection; 
		private var nextLoadIndex:uint=0; 
		private var preloadSet:int; 
		//-i is don load, 0 is load all 
		 
		public function PreloadSetManager(ps:int=-1,_items:Collection=null,startNow:Boolean=false){ 
			 
			preloadSet=ps; 
			items=new ItemCollection(); 
			 
			if(_items!=null){ 
				addItems(_items); 
			} 
			if(startNow){ 
				startLoad(); 
			} 
		} 
		public function addItems(items:Collection):void{ 
			var itr:Iterator=items.iterator(); 
			while(itr.hasNext()){ 
				addItem(Item(itr.next())); 
			} 
		} 
		public function addItem(item:Item):void{ 
			 
			items.addItem(item); 
			item.addEventListener(Event.INIT,onLoaded); 
		} 
		 
		 
		 
		private function onLoaded(e:Event):void{ 
			var index:int=items.getItemIndex(e.target); 
			if(index0){ 
				while(nextLoadIndex