friendjlist.java

是一个关于JQQ小程序

import java.awt.*;
import java.awt.event.*;
import java.io.IOException;
import java.util.Iterator;
import java.util.Vector;
import javax.swing.*;
import javax.swing.border.MatteBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
public class FriendJList extends JFrame{
	private JTextField jTxt;
	private JButton jbtn_FriendList;
	JList myJList ;
	private JButton jbtn_group;
	private JButton jbtn_recntTouchFriend;
	private Container container ;
	private JScrollPane jScrollPane;
	private DefaultListModel jListModel;
	//ChatUI chatUI;
	UDPTalk udpTalk;
	Vector users;
	public FriendJList(String strTitle,Vector users, final UDPTalk udpTalk){
		
		super(strTitle+":"+((User)users.get(0)).getId());
		final int thisUserID = ((User)users.get(0)).getId();
		this.users = users;
		this.udpTalk = udpTalk;
		jTxt = new JTextField(20);
		jbtn_FriendList = new JButton("QQ好友");
		myJList = new JList();
		jbtn_group = new JButton("QQ群");
		jbtn_recntTouchFriend = new JButton("最近联系人");
		myJList.setCellRenderer(new JLabelListCellRenderer());
		jListModel = new DefaultListModel();
		//jTxt.setEditable(false);
		jScrollPane = new JScrollPane(myJList);
		jScrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
		myJList.setModel(jListModel);
		
		jTxt.setBounds(0,0,200,20);
		jbtn_FriendList.setBounds(25,25,165,20);
		jScrollPane.setBounds(25,45,165,500);
		jbtn_group.setBounds(25,547,165,20);
		jbtn_recntTouchFriend.setBounds(25,570,165,20);
		container = this.getContentPane();
		container.setLayout(null);
		container.add(jTxt);
		container.add(jbtn_FriendList);
		container.add(jScrollPane);
		container.add(jbtn_group);
		container.add(jbtn_recntTouchFriend);
		
		this.setSize(new Dimension(200,650));
		this.setVisible(true);
		this.addAll(users);
		this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		myJList.addListSelectionListener(new ListSelectionListener(){
			public void valueChanged(ListSelectionEvent e){
	
			}
		});
		
		myJList.addMouseListener(new FriendJListMouseListener(this,udpTalk));
		this.addWindowListener(new WindowAdapter(){
			public void windowClosing(WindowEvent we){
			/*	try {
					udpTalk.send("quit#"+thisUserID, "127.0.0.1", 8006);
				} catch (IOException e) {
					e.printStackTrace();
				}*/
			}
						
		});	
		
		
	}
	
	public void add(User user){

		jListModel.addElement(user);
	}
	public void addAll(Vector users){
		Iterator i =users.iterator();
		while(i.hasNext()){
		User user = (User)i.next();	
P.p("addAll: add usrid="+user.getId());
			add(user);
		}
	}
	
	/*public static void main(String[] args) throws InterruptedException {
		Vector users = new Vector();
		users.add(new User(1000,new ImageIcon("e.png")));
		users.add(new User(1001,new ImageIcon("51a.jpg")));
		users.add(new User(1002,new ImageIcon("zidan.jpg")));
		FriendJList fj = new FriendJList("QQ",users);
		Thread.sleep(5000);
		fj.add(new User(1003,new ImageIcon("")));
		P.p("result");
	}*/
}

class FriendJListMouseListener extends MouseAdapter{
	private FriendJList friendJList = null;
	private UDPTalk udpTalk = null;
	public FriendJListMouseListener (FriendJList fl,UDPTalk udtalk){
		friendJList = fl;
		this.udpTalk = udpTalk;
	}
	
	public void mouseClicked(MouseEvent me){
			if(me.getClickCount()==2){
				final int index = friendJList.myJList.locationToIndex(me.getPoint());
				if(friendJList.users.size()>1){
					SwingUtilities.invokeLater(new Runnable(){
						public void run(){
P.p("聊天窗口");P.p("Double clicked on Item " + index);
//为什么在此处没有响应事件,为什么下一句的...get(index).getChatUI()=null不为真(关闭ChatUI时,把chatUI赋为空了)
							if(((User)friendJList.users.get(index)).getChatUI()==null){
								User localUser = (User)friendJList.users.get(0); 
								User remoteUser = (User)friendJList.users.get(index);
P.p("localUserID="+localUser.id+"remoteUserID="+remoteUser.id);
								ChatUI chatUI = new ChatUI(localUser,remoteUser,friendJList.udpTalk);
								((User)friendJList.users.get(index)).setChatUI(chatUI);
							}
						}
					});
				}

			}
	}
	
}