Flex的父窗体弹出子窗体

1.API简介
Package :  mx.managers
Class   :  PopUpManager
Methods : addPopUp(window:IFlexDisplayObject, parent:DisplayObject, modal:Boolean = false, childList:String = null):void
参数解释:
window : 要弹出的对象，这对象必须实现了IFlexDisplayObject接口,比如TitleWindow.
parent        : 子窗口的父窗口对象.
modal        : 模式弹出(true)还是非模式弹出(false).
childList        :　弹出式对象在那个对象下弹出.


                 PopUpManagerChildList.APPLICATION
                 PopUpManagerChildList.POPUP     
                 PopUpManagerChildList.PARENT (默认).

2.父窗体向子窗体传值
父窗体代码
 
 
 
import mx.events.ListEvent; 
import com.demo.PersonVO; 
import mx.events.ItemClickEvent; 
import mx.collections.ArrayCollection; 
import mx.managers.PopUpManager; 
[Bindable] 
private var testDataSource : ArrayCollection = new ArrayCollection( 
[      {id : 1 ,name :"zhangsan",language : "java"}, 
       {id : 2 ,name :"lisi",language : "c++"}, 
       {id : 3 ,name :"qianwu",language : "vb"}, 
       {id : 4 ,name :"xiaohong",language : "pb"}, 
       {id : 5 ,name :"xiaoming",language : "perl"}, 
]) 
 
private function showDetailPersonInfo(event : ListEvent) : void
{ 
       var personVO : PersonVO =new PersonVO(); 
   
       personVO.id = event.currentTarget.selectedItem.id 
       personVO.name = event.currentTarget.selectedItem.name; 
       personVO.language = event.currentTarget.selectedItem.language; 
   
       //hard code the detail person information 
       personVO.email = "[e-mail]"
       personVO.married = false; 
       personVO.workYears = "3 years"
   
       var personPopUpWindow : PersonInfomationPopWindow = new PersonInfomationPopWindow(); 
       personPopUpWindow.personVO = personVO; 
       PopUpManager.addPopUp(personPopUpWindow,this,true); 
       PopUpManager.centerPopUp(personPopUpWindow); 
} 
 
]]> 
 
 
 
        
        
        
 
 
 
------------------------------ 
子窗体代码
 
    xmlns:mx=""  
    width="400"   height="300"  
    showCloseButton="true"  
    close="PopUpManager.removePopUp(this)"> 

 
       
        
          
          
       
        
          
       
       
        
         
       
       
        
         
       
       
        
         
       
 
 
             import mx.managers.PopUpManager; 
       import com.demo.PersonVO; 
       [Bindable] 
       public var personVO : PersonVO = null;
      ]]> 
 
 
------------------------------------------- 
package com.demo 
{ 
[Bindable] 
public class PersonVO 
{ 
   
      public var id : String = ""; 
      public var name : String = ""; 
      public var language : String = ""; 
      public var email : String = ""; 
      public var workYears : String = ""; 
      public var married : Boolean = false; 
   
   
} 
} 

3.子窗体向父窗体传值
父窗体代码

    xmlns:fx=""
    xmlns:s="library://ns.adobe.com/flex/spark"
    xmlns:mx="library://ns.adobe.com/flex/halo"
    minWidth="1024" minHeight="768">
   
       
   
   

                import mx.containers.TitleWindow;
         import mx.managers.PopUpManager;
         import mx.controls.Text;
 
         private var tw:titlewindow=new titlewindow();
         private function  mytw_click():void{
 
          tw.owner = this;
          PopUpManager.addPopUp(tw,this);
          PopUpManager.centerPopUp(tw);
 
 }
 
  ]]>
 
 
   
         
         
         
    


-------------------------
子窗体代码

                layout="absolute"
                width="498" height="368"
                showCloseButton="true"
                close="PopUpManager.removePopUp(this)">
   

               import mx.controls.Alert;
         import mx.managers.PopUpManager;
         import mx.controls.Text;
 
         private function btn_click():void{
              //dispatchEvent(new Event("tw_click"));
              var a:PopUpDemo_1 = this.owner as PopUpDemo_1;
              a.tit_usr.text = this.tw_usr.text;
              a.tit_psw.text = this.tw_psw.text;
              PopUpManager.removePopUp(this);
        }
      ]]>