flex upLoadImg

package com.wks.util
{
 import com.wks.common;
 
 import flash.events.ErrorEvent;
 import flash.events.Event;
 import flash.events.EventDispatcher;
 import flash.events.IEventDispatcher;
 import flash.events.IOErrorEvent;
 import flash.events.MouseEvent;
 import flash.net.FileFilter;
 import flash.net.FileReference;
 import flash.net.FileReferenceList;
 
 import mx.containers.Tile;
 import mx.controls.Alert;
 
 public class UpLoadImg extends EventDispatcher
 {
  private var file:FileReferenceList;
  private var bro_loc_2:*;
  private var photoList:Tile;
  private var autoClean:Boolean;
  
  public var fileNum:int;
  
  public var type:String;
  public var cakeName:String;
  
  private var tileStyle:Object={width:926,height:417,tileHeight:125,tileWidth:125,backgroundColor:"#00737373",borderStyle:"solid",cornerRadius:5,paddingLeft:5,paddingTop:5};
  
  /**初始化上传图片类**/
  public function UpLoadImg(type:String, target:IEventDispatcher=null, tile:Tile=null, tileStyle:Boolean=false, isClean:Boolean = false)
  {
   super(target);
   this.type = type;
   this.photoList = tile;
   autoClean = isClean;
   setPhotoListStyle(tileStyle);
   this.file = new FileReferenceList();
   this.configureListeners(this.file);
   var _loc_1:* = new FileFilter(common.uploadTypeName, common.uploadType);
   bro_loc_2 = new Array(_loc_1);
  }
  
  private function setPhotoListStyle(isSet:Boolean):void
  {
   if(photoList != null && isSet == true)
   {
    photoList.width = tileStyle.width;
    photoList.height = tileStyle.height;
    photoList.tileHeight = tileStyle.tileHeight;
    photoList.tileWidth = tileStyle.tileWidth;
    photoList.setStyle("backgroundColor",tileStyle.backgroundColor);
    photoList.setStyle("borderStyle",tileStyle.borderStyle);
    photoList.setStyle("paddingLeft",tileStyle.paddingLeft);
    photoList.setStyle("paddingTop",tileStyle.paddingTop);
    photoList.setStyle("cornerRadius",tileStyle.cornerRadius);
   }
  }
  
  /**浏览要上传的图片**/
  public function browseFile():void
  {
   this.file.browse(bro_loc_2);
  }
  
  /**上传图片**/
  public function uploadFile(tile:Tile = null) : void
  {
   if(tile == null)
   {
    tile = photoList;
   }
   var _loc_3:photo = null;
   var _loc_1:* = tile.getChildren();
   var _loc_2:int = 0;
   while (_loc_2 < _loc_1.length)
   {
    _loc_3 = _loc_1[_loc_2] as photo;
    _loc_3.cakeIndex = (_loc_2+1).toString();
    _loc_3.upfile();
    _loc_2++;
   }
  }
  
  private function configureListeners(param1:IEventDispatcher) : void
  {
   param1.addEventListener(Event.SELECT, this.selectHandler);
   param1.addEventListener(IOErrorEvent.IO_ERROR, this.IoErr);
  }
  
  private function selectHandler(event:Event) : void
  {
   if(autoClean)
   {
    photoList.removeAllChildren();
   }
   var _loc_3:FileReference = null;
   var _loc_4:photo = null;
   var _loc_2:int = 0;
   while (_loc_2 < this.file.fileList.length)
   {
    _loc_3 = FileReference(this.file.fileList[_loc_2]);
    _loc_4 = new photo();
    _loc_4.file = _loc_3;
    _loc_4.type = this.type;
    _loc_4.cakeName = this.cakeName;
    fileNum = fileNum+1;//设置文件个数
    photoList.addChild(_loc_4);
    _loc_4.addEventListener(MouseEvent.CLICK, this.ShowPic);
    _loc_2++;
    if(type == "")
    {
     break;
    }
   }
  }
  
  private function ShowPic(event:MouseEvent) : void
  {
   return;
  }
  
  private function IoErr(event:ErrorEvent) : void
  {
   Alert.show(common.ImgUpLoadError, common.SystemInfo);
  }
  
 }
}