package {
	import flash.display.Sprite;
	import flash.net.URLRequest;
	import flash.net.URLLoader;
	import flash.net.URLLoaderDataFormat;
	import flash.display.StageAlign;
	import flash.display.StageScaleMode;
	import flash.events.Event;
	import flash.display.Loader;
	import flash.display.LoaderInfo;
    public class Flickr2 extends Sprite {
		//NSID api_key
		private var _user_id:String = "○○○";
		private var _api_key:String = "○○○";
		private var _set_id:String  = "○○○";
		
		//返り値のXMLを格納するXMLオブジェクトを生成
		private var _myXML:XML;
		
		//読み込むためのLoaderを生成
		private var _myLoader:Loader;
		
		//リクエスト用のURLを生成
		private var _url:String = "http://api.flickr.com/services/rest/?method=flickr.photosets.getPhotos&api_key=" + _api_key + "&photoset_id=" + _set_id;
		private var _myURLReq:URLRequest = new URLRequest(_url);
		
		//リクエストを発行
		private var _myXMLLoader:URLLoader = new URLLoader();
		
		public function Flickr2() {
			setStageProperty();
			setStageEvents();
			loadXML();
		}

		internal function setStageProperty():void {
			//ステージの伸縮を「拡大・縮小なし」に設定(必須)
			stage.scaleMode = StageScaleMode.NO_SCALE;
			//ステージの位置を「左上」に設定(必須)
			stage.align = StageAlign.TOP_LEFT;
		}

		private function setStageEvents():void {
			//ステージリサイズ時のイベントリスナー登録
			stage.addEventListener(Event.RESIZE,setPhotoXML);
		}
		
		private function loadXML(e:Event = null):void {
			_myXMLLoader.addEventListener(Event.COMPLETE,setPhotoXML);
			_myXMLLoader.load(_myURLReq);
		}
		
		private function setPhotoXML(e:Event = null):void {
			_myXML = new XML(_myXMLLoader.data);
			var photoLength:int = Math.min(_myXML.photoset.photo.length());
			var _myImgCount = Math.floor(stage.stageWidth/80);
	    	for(var i:int = 0; i < photoLength; i++){
				var photo_id:String  = _myXML.photoset.photo[i].@id;
		    	var farm_id:String   = _myXML.photoset.photo[i].@farm;
		    	var server_id:String = _myXML.photoset.photo[i].@server;
				var secret:String    = _myXML.photoset.photo[i].@secret;
				var size:String      = "s";
				var photoURL:String  = "http://farm" + farm_id + ".static.flickr.com/" + server_id + "/" + photo_id + "_" + secret + "_" + size + ".jpg";
				var myURLRequest:URLRequest = new URLRequest(photoURL);
				_myLoader = new Loader();
	        	_myLoader.load(myURLRequest);
				_myLoader.x = 10 + (i  % _myImgCount) * 83;
				_myLoader.y = 10 + Math.floor(i / _myImgCount) * 83;
				addChild(_myLoader);
	        }
		}
	}
}