Flex4中的ModuleLoader，Alert以及TitleWindow

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="400" minHeight="300" xmlns:ns1="*">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>

	<fx:Script>
		<![CDATA[
			import mx.controls.Alert;
			import mx.events.ModuleEvent;		
			
			protected function btnLoad_clickHandler(event:MouseEvent):void
			{				
				mLoader.loadModule("ModuleStu.swf");				
			}

			protected function mLoader_loadingHandler(event:Event):void
			{
				trace("加载中...");
			}

			protected function mLoader_readyHandler(event:ModuleEvent):void
			{
				trace("加载完成!");				
			}

		]]>
	</fx:Script>
	<mx:ModuleLoader id="mLoader" right="10" top="10" left="10" bottom="40" loading="mLoader_loadingHandler(event)" ready="mLoader_readyHandler(event)">
	</mx:ModuleLoader>
	<s:Button label="Load" id="btnLoad" click="btnLoad_clickHandler(event)" bottom="10" horizontalCenter="0"/>
</s:Application>

<?xml version="1.0" encoding="utf-8"?>
<s:TitleWindow xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx" width="334" height="146" title="请输入微薄内容" close="doClose()">
	<s:layout>
		<s:BasicLayout/>
	</s:layout>
	<fx:Script>
		<![CDATA[
			//引入需要的包
			import mx.managers.PopUpManager;
			import mx.controls.Alert;
			import mx.events.CloseEvent;
		
			import spark.components.TextArea;
			
			private var _txtContent:TextArea;
			
			public function get txtContent():TextArea
			{
				return _txtContent;
			}

			public function set txtContent(value:TextArea):void
			{
				_txtContent = value;
			}

			private function doClose():void
			{
				Alert.yesLabel = "是";
				Alert.noLabel = "否";
				Alert.show("确定要退出吗？", "提示", Alert.YES|Alert.NO, this, alertClickHandler);				
			}
			
			private function alertClickHandler(evt:CloseEvent):void {
				if (evt.detail == Alert.YES) {
					//关闭自身
					PopUpManager.removePopUp(this);
				} 
			}
			
			private function doSend():void
			{
				if (txtMsg.text.length>0){
					//在关闭窗口前，给父窗口中的相关文本框赋值（注：这要求在父窗口中调用时，得按约定传递txtContent的引用）
					txtContent.text = txtMsg.text;
				}
				//关闭自身
				PopUpManager.removePopUp(this);
			}		

		]]>
	</fx:Script>
	<s:TextArea x="10" y="11" width="312" height="61" id="txtMsg"/>
	<s:Button x="131" y="84" label="发 送" id="btnSend" click="doSend()"/>
	
</s:TitleWindow>

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
			   xmlns:s="library://ns.adobe.com/flex/spark" 
			   xmlns:mx="library://ns.adobe.com/flex/mx">

	<fx:Script>
		<![CDATA[
		
		import mx.managers.PopUpManager;
		
			private function showWindow():void
			{
				var _loginWin:LoginWindow = PopUpManager.createPopUp(this,LoginWindow,true) as LoginWindow;
				PopUpManager.centerPopUp(_loginWin);
				
				//给弹出窗口的txtContent传递引用
				_loginWin.txtContent = this.txtResult;
			}
		
		]]>
	</fx:Script>
	<s:TextArea top="10" left="10" right="10" bottom="40" id="txtResult" editable="false"/>
	<s:Button label="发微薄" horizontalCenter="0" bottom="10" id="btnWrite" click="showWindow()"/>

	

</s:Application>