flex titleWindow添加最小化和最大化按纽as

 

1. <pre name="code" class="html">package com.talkyun.rheaui.model  
2. {  
3. //MyWindow作用是为titleWindow添加窗体的最小化和最大化的功能  
4.   
5.   import flash.events.MouseEvent;  
6.   import mx.containers.TitleWindow;  
7.   import mx.controls.Button;  
8.   
9.   
10.   public class MyWindow extends TitleWindow  
11.   {  
12.     public function MyWindow()  
13.     {  
14.       super();  
15.       this.showCloseButton=true;  
16.     }  
17.     protected var maxSizeButton:Button; //最大化按钮  
18.     protected var minSizeButton:Button; //最小化按钮  
19.      
20.     //正常状态下窗口的大小、位置  
21.     protected var normalX:int,normalY:Number,normalWidth:int,normalHeight:int;  
22.      
23.     //初始状态  
24.     protected var winState:String="normal";  
25.      
26.     override protected function createChildren():void  
27.     {  
28.       super.createChildren();  
29.        
30.       //创建最大化按钮  
31.       this.maxSizeButton=new Button();  
32.       thisthis.maxSizeButton.width=this.maxSizeButton.height=16;  
33.       this.maxSizeButton.y=6;  
34.       //添加最大化事件  
35.       this.maxSizeButton.addEventListener(MouseEvent.CLICK,OnMaxSize);  
36.       this.titleBar.addChild(this.maxSizeButton);  
37.        
38.       //创建最小化按钮  
39.       this.minSizeButton=new Button();  
40.       thisthis.minSizeButton.width=this.minSizeButton.height=16;  
41.       this.minSizeButton.y=6;  
42.       //添加最小化事件  
43.       this.minSizeButton.addEventListener(MouseEvent.CLICK,OnMinSize);  
44.       this.titleBar.addChild(this.minSizeButton);  
45.     }  
46.     protected function OnMaxSize(e:MouseEvent):void  
47.     {  
48.       if(winState=="normal")  
49.       {  
50.         //保存正常状态下窗口位置、大小  
51.         normalX=this.x;  
52.         normalY=this.y;  
53.         normalHeight=this.height;  
54.         normalWidth=this.width;  
55.          
56.         //设置为最大化状态  
57.         this.x=0;  
58.         this.y=0;  
59.          
60.         this.percentHeight=1200;  
61.         this.percentWidth=1000;  
62.          
63.         //最大化状态  
64.         this.winState="max";  
65.       }  
66.       else if(this.winState=="max")  
67.       {  
68.         //恢复正常状态下窗口位置、大小  
69.         thisthis.x=this.normalX;  
70.         thisthis.y=this.normalY;  
71.         thisthis.width=this.normalWidth;  
72.         thisthis.height=this.normalHeight;  
73.          
74.         //正常状态  
75.         this.winState="normal";  
76.       }  
77.     }  
78.     protected function OnMinSize(e:MouseEvent):void  
79.     {  
80.       //最小化，简单隐藏  
81.          this.visible=false;  
82.     }  
83.     override protected function layoutChrome(unscaledWidth:Number,  
84.                                              unscaledHeight:Number):void  
85.     {  
86.       super.layoutChrome(unscaledWidth,unscaledHeight);  
87.       //设置两个新添的按钮的位置  
88.       thisthis.maxSizeButton.x=this.titleBar.width-43;  
89.       thisthis.minSizeButton.x=this.titleBar.width-60;  
90.        
91.       //调整状态文本的位置，左移一段位置  
92.       this.statusTextField.x-=32;  
93.     }  
94.   }   
95. }