LoaderMax使用例子

 

package com
{
    import com.greensock.events.LoaderEvent;
    import com.greensock.loading.ImageLoader;
    import com.greensock.loading.LoaderMax;
    import com.greensock.loading.XMLLoader;
    import flash.text.TextField;
    import flash.display.MovieClip;
    import flash.events.Event;

    /**
     * @author
     */
    public class Data extends MovieClip
    {
        public var _stageHeight : int = -246;

        private var dataLoader : XMLLoader;
        public static var p_w_picpathObj : Object = {};   //图片配置信息
        public static var p_w_picpathUrlArr : Array = [];     //图片地址
        public var p_w_picpathArr : Array = [];           //图片对像数组
        private var p_w_picpathsXMLList : XMLList;
        private var jietuXMLList : XMLList;
        //private var jietuArr : Array = [];
        //private var yuanhuaArr : Array = [];
        private var yuanhuaXMLList : XMLList;
        public var input : TextField;

        public function Data()
        {
        }

        public function start(url : String ="data/config.xml" ) : void
        {
            LoaderMax.activate([ImageLoader]);
            dataLoader = new XMLLoader(url, {onComplete:onDataInit});
            dataLoader.load();
        }

        private function onDataInit(event : LoaderEvent) : void
        {
            var data : XML = dataLoader.content as XML;
            p_w_picpathsXMLList = data.child("p_w_picpaths").children();
            for (var i : int = 0; i < p_w_picpathsXMLList.length(); i++)
            {
                p_w_picpathObj[p_w_picpathsXMLList[i].@url] = [p_w_picpathsXMLList[i].@http0,p_w_picpathsXMLList[i].@http1,p_w_picpathsXMLList[i].@http2,p_w_picpathsXMLList[i].@http3];
                p_w_picpathUrlArr.push(p_w_picpathsXMLList[i].@url)
            }

            jietuXMLList = data.child("jietu").children();
            yuanhuaXMLList = data.child("yuanhua").children();

            loadImages();
        }

        private function loadImages() : void
        {
            var queue : LoaderMax = new LoaderMax({onComplete:completeHandler,onProgress:progressHandler});
            for(var i : int = 0;i < p_w_picpathsXMLList.length();i++)
                queue.append(new ImageLoader(p_w_picpathsXMLList[i].@url, { container:null, name:p_w_picpathsXMLList[i].@url, smoothing:true } ));
            for(var j : int = 0;j < jietuXMLList.length();j++)
                queue.append(new ImageLoader(jietuXMLList[j].@url, { container:null, name:jietuXMLList[j].@url, smoothing:true } ));
            for(var k : int = 0;k < yuanhuaXMLList.length();k++)
                queue.append(new ImageLoader(yuanhuaXMLList[k].@url, { container:null, name:yuanhuaXMLList[k].@url, smoothing:true}));
            queue.load();
        }

        private function completeHandler(event : LoaderEvent) : void
        {
            for (var i:int = 0; i < p_w_picpathUrlArr.length;i++ )
                p_w_picpathArr.push(LoaderMax.getContent(p_w_picpathUrlArr[i]));
            for (var j:int = 0; j < jietuXMLList.length();j++ )
                BananerStaic.jietuArr.push(LoaderMax.getContent( jietuXMLList[j].@url));
            for (var k:int = 0; k < yuanhuaXMLList.length();k++ )
                BananerStaic.yuanhuaArr.push(LoaderMax.getContent(yuanhuaXMLList[k].@url));

            BananerStaic._bitmapArr = p_w_picpathArr;
            BananerStaic.p_w_picpathArr = p_w_picpathArr;
            this.dispatchEvent(new Event(Event.COMPLETE));
        }

        /**得到模型地址*/
        public static function getImageHttp(url : String) : * {
            if(p_w_picpathObj[url] == null || p_w_picpathObj[url] == undefined) {
                trace("没有这个........." + url);
            }
            return p_w_picpathObj[url];
        }


        /*** 进度 */
        //private var myProgressBar : Sprite = new Sprite();
        private function progressHandler(event : LoaderEvent) : void
        {
            input.text = Math.floor(event.target.progress * 100) + "%";
            //this.addChild(myProgressBar);
            //myProgressBar.graphics.beginFill(0xFF0000);
            //myProgressBar.graphics.drawRect(0, 0, event.target.progress * 100, 50);
            //trace(event.target.progress);
            //myProgressBar.scaleX = event.target.progress;
        }

        //end
    }
}