chatwindow.java

java chat 程序

package client.display;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.Date;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;

import client.Client;

import common.message.ChatMessage;
import common.message.Message;
/**
 * 与某个用户聊天界面
 * @author 彭文杰
 * 日期:Oct 21, 2006
 */
public class ChatWindow extends JFrame {
	private static final long serialVersionUID = 8574239376259350958L;
	//当前用户id
	private String userid;
	//发送到的用户id
	private String touser;
	//客户端交互部分
	private Client client;
	//输入域
	private JTextField input;
	//显示域
	private JTextArea displayArea;
	public ChatWindow(String userid,String touser,Client client){
		super("与"+touser+"聊天");
		this.userid=userid;
		this.touser=touser;
		this.client=client;
		addWindowListener(
		           new WindowAdapter(){
		        	   //定义窗口关闭时，执行移出行为
		               public void windowClosing(WindowEvent e){
		            	   ChatWindow chw=(ChatWindow)e.getSource();
		            	   Client client=chw.getClient();
		            	   client.unregisterChatWindow(chw);
		            	   dispose();
		               }	
		           }	
		        );
	    Container container = getContentPane();
	    this.input=new JTextField();
	    this.input.setEnabled(true);
	    this.input.addActionListener(new ChatWindowListener(this){
			public void actionPerformed(ActionEvent event) {
				ChatWindow chw=this.getChw();
				ChatMessage cm=new ChatMessage(chw.input.getText());
				cm.setToUser(chw.touser);
				cm.setFromUser(chw.userid);
				cm.setSendTime(new Date());
				chw.client.sendMessage(cm);
				chw.displayMessage(cm);
				chw.input.setCaretPosition(chw.input.getText().length());
			}
	    	
	    });
	    container.add(this.input,BorderLayout.SOUTH);
	    this.displayArea=new JTextArea();
	    container.add(new JScrollPane(this.displayArea),BorderLayout.CENTER);
	    setSize( 300, 650 );
	    setVisible( true );
	}

	/**
	 * 显示消息
	 * @author 彭文杰
	 * 日期:Oct 21, 2006
	 * @param msg
	 */
	public void displayMessage(Message msg){
		displayArea.append( "\n" + msg.toString());
	}
	/**
	 * 关闭窗口
	 * @author 彭文杰
	 * 日期:Oct 21, 2006
	 */
	public void closeWindow(){
		dispose();
	}
	public Client getClient() {
		return client;
	}
	public void setClient(Client client) {
		this.client = client;
	}
	public String getTouser() {
		return touser;
	}

	public void setTouser(String touser) {
		this.touser = touser;
	}

	public String getUserid() {
		return userid;
	}

	public void setUserid(String userid) {
		this.userid = userid;
	}
}