package {
	import flash.display.*;
	import flash.net.*;
	import flash.events.*;
	import flash.text.*;
	
	public class Loading extends Sprite{
		private var rankingLoader:URLLoader;
		
		internal static const ALL_LOAD_COMPLETE:String = "allLoadComplete";
		
		private static const IMAGES_PATH:String = "images/"; 
		private static const LENGTH:int = 100;
		
		private var loadCount:int = 0;
		private var loadWatchEnterFrameEngine:Sprite;
		private var perField:TextField;
		
		public function Loading(){
			initialize();
		}
		
		private function initialize(){
			loadWatchEnterFrameEngine = new Sprite();
			loadWatchEnterFrameEngine.addEventListener(Event.ENTER_FRAME, watchLoading);
			
			perField = new TextField();
			addChild(perField);

			loadImage();
		}
		
		private function watchLoading(e:Event){
			perField.text = String(loadCount);
			if(loadCount == LENGTH){
				loadWatchEnterFrameEngine.removeEventListener(Event.ENTER_FRAME, watchLoading);
				dispatchEvent(new Event(ALL_LOAD_COMPLETE));
			}
		}
		
		private function loadImage(){
			var leng = LENGTH;
			
			for(var i:int=1;i<=leng;i++){
				var ld = new Loader();
				
				this.addChild(ld);
				ld.x = 50;
				
				var url = IMAGES_PATH+"img"+i+".jpg";
				
				var request:URLRequest = new URLRequest(url);

				ld.load(request);
				
				configureListeners(ld.contentLoaderInfo);
			}
		}
		
		private function configureListeners(dispatcher:IEventDispatcher){
			dispatcher.addEventListener(Event.COMPLETE, onImageLoaded);
			dispatcher.addEventListener(IOErrorEvent.IO_ERROR, onError);
		}

		
		private function onError(e:IOErrorEvent):void {
			trace("読み込みエラー");
		}
		
		private function onImageLoaded(e:Event){
			loadCount++;
		}
	}
}