chatwindow.java

Java+Eclipse+Mysql的局域网聊天程序源代码

import java.awt.BorderLayout;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.Dimension;
import java.awt.GridBagLayout;
import javax.swing.JButton;
import java.awt.GridBagConstraints;
import javax.swing.JTabbedPane;
import javax.swing.JLabel;
import java.awt.FlowLayout;
import javax.swing.ImageIcon;
import javax.swing.JTextArea;
import javax.swing.JScrollPane;
import java.awt.event.*;
import javax.swing.JList;
import javax.swing.DefaultListModel;
import java.awt.Color;

public class ChatWindow extends JFrame implements ActionListener{

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JTabbedPane jTabbedPane = null;

	private JPanel jPanel = null;

	private JLabel jLabel = null;

	private JLabel jLabel1 = null;

	private JPanel jPanel1 = null;

	private JPanel jPanel2 = null;

	private JTextArea jt_content = null;

	private JPanel jPanel3 = null;

	private JButton jb_Send = null;

	private JScrollPane jScrollPane = null;

	private JPanel jPanel4 = null;

	private JButton jb_Close = null;             //关闭按钮
	
	private ListCellInfo lci=null;				//单个好友对象
		
	private int target_port=0;					//目标端口
	
	private String target_addr=null;			//目录地址
	
	private JList list=null;					//好友列表
	
	private DefaultListModel dlm_Friend=null;	//保存好友数据的列表模型
	
	private Login login=null;	
	
	private String []strarray=null;
	
	private boolean reply=false;               //是否为回复窗口

	/**
	 * This is the default constructor
	 */
	public ChatWindow(JList list,Login login) {
		super();
		
		this.login=login;
		this.list=list;
		this.lci=(ListCellInfo)this.list.getSelectedValue();
		this.setTitle("向 "+lci.getName()+" 发送消息");
		initialize();
		
	}
	public ChatWindow(String []strarray,Login login)
	{
		//读取好友更详细的信息
		this.login=login;
		this.strarray=strarray;
		this.dlm_Friend=login.qqbar.dlm_Friend;
		this.lci=getlci(strarray[3]);							//获得更详细的信息
		this.setTitle("收到 "+strarray[3]+" 发来的消息");           //设置窗口标题
		
		initialize();
		this.jt_content.setText(strarray[5]);					//显示消息内容
		this.jt_content.setEditable(false);						//内容不可编辑
		this.jt_content.setBackground(new Color(232, 237, 237));
		this.jb_Send.setText("回复");
	}
	private ListCellInfo getlci(String username)
	{
		if(dlm_Friend!=null)
		{
			for(int i=0;i<dlm_Friend.getSize();i++)
			{
				ListCellInfo lci_temp=(ListCellInfo)dlm_Friend.get(i);
				if(lci_temp.getUid().equals(username))
					return lci_temp;
			}
		}
		return null;
	}
	
	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(497, 381);
		this.setContentPane(getJContentPane());
		this.setVisible(true);
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jContentPane = new JPanel();
			jContentPane.setLayout(new BorderLayout());
			jContentPane.add(getJTabbedPane(), BorderLayout.CENTER);
			jContentPane.add(getJPanel(), BorderLayout.NORTH);
		}
		return jContentPane;
	}

	/**
	 * This method initializes jTabbedPane	
	 * 	
	 * @return javax.swing.JTabbedPane	
	 */
	private JTabbedPane getJTabbedPane() {
		if (jTabbedPane == null) {
			jTabbedPane = new JTabbedPane();
			jTabbedPane.addTab("文本聊天", null, getJPanel1(), null);
			jTabbedPane.addTab("文件传输", null, getJPanel2(), null);
			jTabbedPane.addTab("聊天记录", null, getJPanel4(), null);
		}
		return jTabbedPane;
	}

	/**
	 * This method initializes jPanel	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel() {
		if (jPanel == null) {
			jLabel1 = new JLabel();
			jLabel1.setText(lci.getName());
			FlowLayout flowLayout = new FlowLayout();
			flowLayout.setAlignment(java.awt.FlowLayout.LEFT);
			flowLayout.setVgap(5);
			flowLayout.setHgap(5);
			jLabel = new JLabel();
			jLabel.setText("");
			jLabel.setIcon(Function.GetPixels(lci.getIcon(),40,40));
			jPanel = new JPanel();
			jPanel.setLayout(flowLayout);
			jPanel.add(jLabel, null);
			jPanel.add(jLabel1, null);
		}
		return jPanel;
	}

	/**
	 * This method initializes jPanel1	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel1() {
		if (jPanel1 == null) {
			jPanel1 = new JPanel();
			jPanel1.setLayout(new BorderLayout());
			jPanel1.add(getJPanel3(), BorderLayout.SOUTH);
			jPanel1.add(getJScrollPane(), BorderLayout.CENTER);
		}
		return jPanel1;
	}

	/**
	 * This method initializes jPanel2	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel2() {
		if (jPanel2 == null) {
			jPanel2 = new JPanel();
			jPanel2.setLayout(new GridBagLayout());
		}
		return jPanel2;
	}

	/**
	 * This method initializes jt_content	
	 * 	
	 * @return javax.swing.JTextArea	
	 */
	private JTextArea getJt_content() {
		if (jt_content == null) {
			jt_content = new JTextArea();
		}
		return jt_content;
	}

	/**
	 * This method initializes jPanel3	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel3() {
		if (jPanel3 == null) {
			jPanel3 = new JPanel();
			jPanel3.setLayout(new FlowLayout());
			jPanel3.add(getJb_Send(), null);
			jPanel3.add(getJb_Close(), null);
		}
		return jPanel3;
	}

	/**
	 * This method initializes jb_Send	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJb_Send() {
		if (jb_Send == null) {
			jb_Send = new JButton();
			jb_Send.setText("发送");
			jb_Send.addActionListener(this);
		}
		return jb_Send;
	}

	/**
	 * This method initializes jScrollPane	
	 * 	
	 * @return javax.swing.JScrollPane	
	 */
	private JScrollPane getJScrollPane() {
		if (jScrollPane == null) {
			jScrollPane = new JScrollPane();
			jScrollPane.setViewportView(getJt_content());
		}
		return jScrollPane;
	}

	/**
	 * This method initializes jPanel4	
	 * 	
	 * @return javax.swing.JPanel	
	 */
	private JPanel getJPanel4() {
		if (jPanel4 == null) {
			jPanel4 = new JPanel();
			jPanel4.setLayout(new GridBagLayout());
		}
		return jPanel4;
	}

	/**
	 * This method initializes jb_Close	
	 * 	
	 * @return javax.swing.JButton	
	 */
	private JButton getJb_Close() {
		if (jb_Close == null) {
			jb_Close = new JButton();
			jb_Close.setText("关闭");
			jb_Close.addActionListener(this);
		}
		return jb_Close;
	}
	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource()==jb_Send)   //发送消息
		{
			if(jb_Send.getText().equals("发送"))
				sendMsg();
			else if(jb_Send.getText().equals("回复"))
			{
				this.jt_content.setEditable(true);
				this.jt_content.requestFocus();
				reply=true;
				this.jb_Send.setText("发送");
			}
		}
		else if(e.getSource()==jb_Close)
		{
			this.setVisible(false);
			this.dispose();
		}
	}
	private void sendMsg()
	{
		String local_addr=login.local_addr;  //本地地址
		int local_port=login.local_port;
		
		String local_name=login.local_username;
		
		String msg="1|3|"+local_name+"|"+lci.getUid()+"|"+jt_content.getText();
		if(!reply)
		{
			if(!lci.isOnline())                 //如果目标不在线
			{
				target_addr=login.server_addr;
				target_port=login.server_port;
			}
			else								//如果目标在线（需要发送本机地址、端口）
			{
				target_addr=lci.getLogip();
				target_port=lci.getPort();
			}
			
			this.setVisible(false);
		}
		else									//回复
		{
			this.target_addr=strarray[7];							//回复信息所需数据
			this.target_port=Integer.parseInt(strarray[6]);
		}
		msg=msg+"|"+local_port+"|"+local_addr;
		login.sm.setMsg(msg, target_port, target_addr, false, true);
	}
}