别人的flex聊天室

package com.renaun.samples.net
{
import flash.net.NetConnection;
import flash.net.SharedObject;
import flash.events.NetStatusEvent;
import flash.events.SecurityErrorEvent;
import flash.events.AsyncErrorEvent;
import flash.events.IOErrorEvent
import flash.events.Event;
import flash.events.IEventDispatcher;
import mx.logging.LogLogger;

[Event(name="success", type="flash.events.Event")]
[Event(name="failed", type="flash.events.Event")]
/**
 * 	Note: This class was dynamic in ActionScript 2.0 but is now sealed. 
 *  To write callback methods for this class, you can either extend the 
 *  class and define the callback methods in your subclass, or you can 
 *  use the client  property to refer to an object and define the callback 
 *  methods on that object.
 */
dynamic public class FMSConnection extends NetConnection implements IEventDispatcher
{

	//--------------------------------------------------------------------------
	//
	//  Constructor
	//
	//--------------------------------------------------------------------------
	
	/**
	 *  Constructor
	 */
    public function FMSConnection() 
	{
		super();

	}
	
	public var clientID:Number;
	
	//--------------------------------------------------------------------------
	//
	//  Methods
	//
	//--------------------------------------------------------------------------

	/**
	 *  Connect
	 */
    override public function connect( url:String, ...args ):void
	{
		// Set object encoding to be compatible with Flash Media Server
		this.objectEncoding = flash.net.ObjectEncoding.AMF0;
		NetConnection.defaultObjectEncoding
		
		// Add status/security listeners
		this.addEventListener( NetStatusEvent.NET_STATUS, netStatusHandler );
		this.addEventListener( SecurityErrorEvent.SECURITY_ERROR, netSecurityError );
		this.addEventListener( AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler );
		this.addEventListener( IOErrorEvent.IO_ERROR, ioErrorHandler );		
		
		// TODO does not pass ...args into the super function
		super.connect( url );
	}


	/**
	 *  setID
	 */
	public function setId( id:Number ):*
	{
//LogLogger.debug( "FMSConnection::setId: id=" + id,"s");

		if( isNaN( id ) ) return;
		clientID = id;
		return "Okay";
	}

	/**
	 * 	Status Handler for the NetConnection class
	 */
	private function netStatusHandler( event:NetStatusEvent ):void
	{
		switch( event.info.code ) {
			case "NetConnection.Connect.Success":
//Logger.debug( "FMSConnection:netStatusHandler:Success: connected: " + this.connected );
				dispatchEvent( new Event( "success" ) );
			break;
			case "NetConnection.Connect.Failed":
//Logger.debug( "FMSConnection:netStatusHandler:Failed: connected: " + this.connected + " - " + event.info.code );
				dispatchEvent( new Event( "failed" ) );
			break;			
			default:
//Logger.debug( "FMSConnection:netStatusHandler:code: " + event.info.code );
			break;
		}
	}

	private function netSecurityError( event:SecurityErrorEvent ):void {
//Logger.error( "FMSConnection:netSecurityError: " + event );
	}		

	private function asyncErrorHandler( event:AsyncErrorEvent ):void {
//Logger.error( "FMSConnection:asyncErrorHandler: " + event.type + " - " + event.error );
	}	

	private function ioErrorHandler( event:IOErrorEvent ):void {
//Logger.error( "FMSConnection:asyncErrorHandler: " + event.type + " - " + event.text );
	}	

}
}

 

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" 
	layout="vertical" horizontalAlign="center" verticalAlign="middle">
	<mx:Style>
		Application {
			background-image: "";
			background-color: #336699;	
		}
		Panel, TabNavigator {
			padding-bottom:10;
			padding-left:10;
			padding-right:10;
			padding-top:10;	
		}
		.chatBox {
			background-color: #EEEEEE;
		}
	</mx:Style>
	<mx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.controls.Text;
			import com.renaun.samples.net.FMSConnection;
			import mx.controls.Alert;
			import flash.net.SharedObject;
			
			[Bindable]
			private var nc:FMSConnection;
			[Bindable]
			private var btnText:String = "Login";
			
			[Bindable]
			private var dpUsers:ArrayCollection
			private var chatUsers:Array;
			
			private var clientID:Number;
			
			private var soChat:SharedObject;
			
			private function connectUser():void
			{
				NetConnection.defaultObjectEncoding = flash.net.ObjectEncoding.AMF0;
				SharedObject.defaultObjectEncoding  = flash.net.ObjectEncoding.AMF0;				
				
				if( txtUser.text != "" && btnText == "Login" ) {
					nc = new FMSConnection();
					nc.addEventListener( "success", connectionSuccessHandler );
					// works with nc.connect( "rtmp://localhost/SOSample" ); also
					nc.connect( "rtmp://192.168.200.14/red" );
				} else {
					if( btnText == "Logout" ) {
						// Close Connections
						soChat.close();
						nc.close();
						btnText = "Login";
				 	} else {
						Alert.show( "Invalid Name!" );
					}
				}
				keyEvent();
				
			}
			
			private function connectionSuccessHandler( event:Event ):void
			{
				btnText = "Logout";

				// Get Server Client ID
				clientID = nc.clientID;
				
				// Make SO and other Connection calls
				connectToChat();
			}
			
			private function connectToChat():void
			{
				soChat = SharedObject.getRemote( "videoConferenceChat", nc.uri, true );
				soChat.addEventListener( NetStatusEvent.NET_STATUS, netStatusHandler );
				soChat.addEventListener( AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler );
				soChat.addEventListener( SyncEvent.SYNC, sharedObjectSyncHandler );
				soChat.client = this;
				soChat.connect( nc );
//				trace("helloWorld");
				// Get the names for all the connected users
				soChat.send( "getName" );
			}

			public function sendMessage( msg:String ):void
			{
				soChat.send( "newMessage",  
						"<font color=\"#" + cmpColorPicker.selectedColor.toString(16) + "\"><b>" + txtUser.text + "</b></font> - " + msg );

				txtMsg.htmlText = "";
			}

			public function newMessage( msg:String ):void
			{
//Logger.info( "newMessage: " + msg );				
				txtChatBox.htmlText += msg + "\n";
			}
			public function newName( name:String, chatID:Number ):void
			{
//Logger.info( "newName: name: " + name + " chatID: " + chatID );
				// initialize
				if( chatUsers == null )
					chatUsers = new Array();
				
				// Only add new users to array
				var isNew:Boolean = true;
				for( var i:int = 0; i < chatUsers.length;i++ ) {
					if( chatUsers[ i ].data == chatID ) {
						isNew = false;
					}
				}
				if( isNew )
					chatUsers.push( { label: name, data: chatID } );
				
				// Sort Users
				chatUsers.sortOn( "label", Array.CASEINSENSITIVE );
				
				dpUsers = new ArrayCollection( chatUsers );	
				
			}			
			public function getName():void
			{
//Logger.info( "getName: " + txtUser.text );
				// Clear out User array
				chatUsers = new Array();
				// Getting Users name is basically forcing each connect user to re-send their name
				soChat.send( "newName", txtUser.text, clientID );
			}					

	private function sharedObjectSyncHandler( event:SyncEvent ):void
	{
		trace(event.toString());
//		Logger.debug( "sharedObjectSyncHandler:code: " + event.changeList );
	}

	private function netStatusHandler( event:NetStatusEvent ):void
	{
		trace(event.info);
//		Logger.debug( "netStatusHandler:code: " + event.info.code );
	}
	private function asyncErrorHandler( event:AsyncErrorEvent ):void
	{
		trace(event.toString());
//		Logger.debug( "asyncErrorHandler:code: " + event.error );
	}			
		]]>
	</mx:Script>
	<mx:Panel
		width="90%" height="90%"
		title="Basic Chat Application using Flex 3 and Red5" 
		layout="vertical">
		
		<mx:HBox width="100%">
			<mx:Label text="Name:"/>
			<mx:TextInput id="txtUser" enabled="{ ( btnText == 'Login' ) }"/>
			<mx:ColorPicker id="cmpColorPicker" showTextField="false" selectedColor="0x000000"/>			
			<mx:Button 
				id="btnLogin"
				label="{ btnText }"
				click="connectUser()"/>
		</mx:HBox>
		
		<mx:HDividedBox
			width="100%" height="100%">
			<mx:VBox 
				width="25%"	height="100%">
				<mx:Label text="Chat Users:" />
				<mx:List
					id="lstUsers"
					dataProvider="{ dpUsers }" 
					width="100%"
					height="100%" />
			</mx:VBox>
			
			<mx:VBox 
				width="75%"	height="100%">
				<mx:TabNavigator
					width="100%" height="100%">
					<mx:VBox label="Main Chat">
						<mx:TextArea 
							fontSize="18"
							id="txtChatBox"
							styleName="chatBox"
							editable="false"
							width="100%" height="100%" fontWeight="bold" textAlign="left"/>
					</mx:VBox>
				</mx:TabNavigator>
					
				<mx:HBox width="100%">
					<mx:TextInput width="100%" id="txtMsg"/>
					<mx:Button 
						id="btnMessage"
						label="Send Message"
						click="sendMessage( txtMsg.text )" />
				</mx:HBox>
			</mx:VBox>
		</mx:HDividedBox>
		
	</mx:Panel>
	<mx:Script>
		<![CDATA[
			
			public function keyEvent(){
				txtMsg.addEventListener(KeyboardEvent.KEY_DOWN,sendM)
			}
			public function sendM(e:KeyboardEvent){
				
				if(e.keyCode==13){
					sendMessage(txtMsg.text);
				}
			}
		]]>
	</mx:Script>
</mx:Application>