package
{
import flash.desktop.*;
import flash.display.Sprite;
import flash.events.*;
import flash.filesystem.File;
import flash.text.TextField;
 
public class DragOut_test extends Sprite {
 
private var dragTarget:Sprite = new Sprite();
 private var backgroundColor:Number = 0x0097CA;
 private var consoleText:TextField= new TextField()
 public function DragOut_test(){
 
this.addChild(consoleText)
  this.addChild(dragTarget)
  dragTarget.focusRect = false;
  stage.stageFocusRect = false;
  drawBackground()//注意stage上必须要有可见元素，组成检测区域。
  configConsoleText()//创建输出文本框
  dragTarget.addEventListener(NativeDragEvent.NATIVE_DRAG_ENTER,onDragIn);//通常做拖入文件的类型检查
  dragTarget.addEventListener(NativeDragEvent.NATIVE_DRAG_DROP,onDrop);//拖拽完成事件
  dragTarget.addEventListener(NativeDragEvent.NATIVE_DRAG_EXIT,onDragExit);//拖拽取消
 }
  private function drawBackground():void{
 
dragTarget.graphics.clear();
  dragTarget.graphics.beginFill(backgroundColor,0);
  dragTarget.graphics.drawRect(0,0,stage.stageWidth,stage.stageHeight);
  dragTarget.graphics.endFill();
  dragTarget.hitArea=null
  }
  private function configConsoleText(){
  consoleText.width=stage.stageWidth
  consoleText.height=stage.stageHeight
  consoleText.selectable=false
  consoleText.multiline=true
  consoleText.appendText('请拖拽一个或者多个文件到此！\n')
  }
  private function onDragIn(event:NativeDragEvent):void{
 
var transferable:Clipboard = event.clipboard;
  if(transferable.hasFormat(ClipboardFormats.BITMAP_FORMAT) ||
  transferable.hasFormat(ClipboardFormats.FILE_LIST_FORMAT) ||
  transferable.hasFormat(ClipboardFormats.TEXT_FORMAT) ||
  transferable.hasFormat(ClipboardFormats.URL_FORMAT)){
 
consoleText.appendText("接受的格式。\n")
  NativeDragManager.acceptDragDrop(dragTarget);
  } else {
  consoleText.appendText("不接受的格式。\n")
 
}
  }
 
private function onDrop(event:NativeDragEvent):void{
 
var dropfiles:Array= event.clipboard.getData(ClipboardFormats.FILE_LIST_FORMAT) as Array;
  for each (var file:File in dropfiles)
  {
  consoleText.appendText("拖入文件："+file.nativePath+'\n')
 
}
  }
  private function onDragExit(event:NativeDragEvent):void{
  consoleText.appendText("拖拽退出。\n")
  }
 
}
 
}