package chat;import java.awt.*;import java.awt.event.*;import javax.swing.*;import com.borland.jbcl.layout.*;import javax.swing.border.*;import java.lang.Exception;import java.net.*;import java.io.*;import java.util.Date;import javax.swing.event.*;/** * <p>Title: 使用JAVA制作的局域網聊天程序</p> * <p>Description: 我們的JAVA作業</p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author RoadAhead * @version 1.0 */public class mainform extends JFrame{  private JPanel contentPane;  static JPanel jPanel1 = new JPanel();  private JPanel jPanel2 = new JPanel();  private JButton but_online = new JButton();  private BorderLayout borderLayout2 = new BorderLayout();  private JMenuBar jMenuBar1 = new JMenuBar();  static JSplitPane jsp8 = new JSplitPane();  private JPanel jPanel5 = new JPanel();  private JButton but_exit = new JButton();  private JMenu jMenu1 = new JMenu();  private JButton but_offline = new JButton();  private JButton but_about = new JButton();  private JPanel pan_state = new JPanel();  static JTextPane ed_input = new JTextPane();  private PaneLayout paneLayout1 = new PaneLayout();  private TitledBorder titledBorder1;  private TitledBorder titledBorder2;  static Label lab_uname = new Label();  static JLabel lab_uimage = new JLabel();  private JLabel jLabel2 = new JLabel();  private JLabel lab_info = new JLabel();  static final int PORT=5001;  static String curuserip="";  static String curusername="";  static String curusericon="";  static String myname="";  static String myicon="";  static String myip;  static String onstartset="";  static String filename="chatset.amy";  static String winstate="0";  static int maxStrCount=10000;  static int onlinestate=2;//是否在線 1: 在線 2:斷線 3: 離線  static String onofflinetime=""; //當離線時的回答  private JButton but_setup = new JButton();  static String[][] userlist;//用戶列表  static JButton[] but_userlist; //用戶圖象按鈕  private JScrollPane jsp = new JScrollPane();  static JPanel pan_userlist = new JPanel();  private TitledBorder titledBorder3;  private PaneLayout paneLayout2 = new PaneLayout();  static JLabel lab_my = new JLabel();  private TitledBorder titledBorder4;  newthread mythread=new newthread();  static DatagramPacket sendpacket,receivepacket;  static DatagramSocket sendsocket,receivesocket;  private JScrollPane jScrollPane1 = new JScrollPane();  static JTextArea ed_show = new JTextArea();  private JCheckBox cbo_bc = new JCheckBox();  private JScrollPane jScrollPane2 = new JScrollPane();  JOptionPane pane = new JOptionPane();  Date nowtime=new Date();  private JPopupMenu pop_menu = new JPopupMenu();  private JMenuItem jMenuItem1 = new JMenuItem();  private JMenuItem jMenuItem2 = new JMenuItem();  private JButton but_pause = new JButton();  private BoxLayout2 boxLayout21 = new BoxLayout2();  private Label label1 = new Label();  private Label label2 = new Label();  private BorderLayout borderLayout1 = new BorderLayout();  VerticalFlowLayout verticalFlowLayout1 = new VerticalFlowLayout();  //Construct the frame  public mainform()  {    enableEvents(AWTEvent.WINDOW_EVENT_MASK);    try    {      jbInit();    }    catch(Exception e)    {      e.printStackTrace();    }  }  //Component initialization  private void jbInit() throws Exception  {    try{      sendsocket=new DatagramSocket();      receivesocket=new DatagramSocket(5001);    }    catch(SocketException se){      se.printStackTrace();    }    mainform.userlist=new String[1][5];    but_userlist=new JButton [1];    //setIconImage(Toolkit.getDefaultToolkit().createImage(mainform.class.getResource("[Your Icon]")));    contentPane = (JPanel) this.getContentPane();    titledBorder1 = new TitledBorder("");    titledBorder2 = new TitledBorder("");    titledBorder3 = new TitledBorder("");    titledBorder4 = new TitledBorder("");    contentPane.setLayout(borderLayout1);    this.setSize(new Dimension(523, 356));    this.setTitle("我們的聊天程序 Alt+Enter 發送消息");    this.addWindowListener(new java.awt.event.WindowAdapter()    {      public void windowOpened(WindowEvent e)      {        this_windowOpened(e);      }      public void windowActivated(WindowEvent e)      {      }    });    jPanel1.setBackground(Color.white);    jPanel1.setLayout(borderLayout2);    jPanel2.setBackground(Color.white);    jPanel2.setBorder(titledBorder4);    jPanel2.setToolTipText("");    jPanel2.setLayout(paneLayout2);    but_online.setBackground(Color.white);    but_online.setFont(new java.awt.Font("Serif", 0, 12));    but_online.setBorder(null);    but_online.setHorizontalTextPosition(SwingConstants.CENTER);    but_online.setText("在線");    but_online.setVerticalAlignment(SwingConstants.BOTTOM);    but_online.setVerticalTextPosition(SwingConstants.BOTTOM);    but_online.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseExited(MouseEvent e)      {        but_online_mouseExited(e);      }    });    but_online.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_online_mouseMoved(e);      }    });    but_online.addActionListener(new java.awt.event.ActionListener()    {      public void actionPerformed(ActionEvent e)      {        but_online_actionPerformed(e);      }    });    jsp8.setBorder(null);    jsp8.setContinuousLayout(true);    jsp8.setDividerSize(2);    jsp8.setLeftComponent(pan_userlist);    but_exit.setBackground(Color.white);    but_exit.setFont(new java.awt.Font("Serif", 0, 12));    but_exit.setBorder(null);    but_exit.setHorizontalTextPosition(SwingConstants.CENTER);    but_exit.setText("退出");    but_exit.setVerticalAlignment(SwingConstants.BOTTOM);    but_exit.setVerticalTextPosition(SwingConstants.BOTTOM);    but_exit.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_exit_mouseMoved(e);      }    });    but_exit.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mousePressed(MouseEvent e)      {        but_exit_mousePressed(e);      }      public void mouseExited(MouseEvent e)      {        but_exit_mouseExited(e);      }    });    but_exit.addKeyListener(new java.awt.event.KeyAdapter()    {      public void keyTyped(KeyEvent e)      {        but_exit_keyTyped(e);      }    });    jMenu1.setText("文件");    but_offline.setBackground(Color.white);    but_offline.setFont(new java.awt.Font("Serif", 0, 12));    but_offline.setBorder(null);    but_offline.setHorizontalTextPosition(SwingConstants.CENTER);    but_offline.setText("斷線");    but_offline.setVerticalAlignment(SwingConstants.BOTTOM);    but_offline.setVerticalTextPosition(SwingConstants.BOTTOM);    but_offline.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseExited(MouseEvent e)      {        but_offline_mouseExited(e);      }    });    but_offline.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_offline_mouseMoved(e);      }    });    but_offline.addActionListener(new java.awt.event.ActionListener()    {      public void actionPerformed(ActionEvent e)      {        but_offline_actionPerformed(e);      }    });    but_about.setBackground(Color.white);    but_about.setFont(new java.awt.Font("Serif", 0, 12));    but_about.setBorder(null);    but_about.setHorizontalTextPosition(SwingConstants.CENTER);    but_about.setText("關于這個程序");    but_about.setVerticalAlignment(SwingConstants.BOTTOM);    but_about.setVerticalTextPosition(SwingConstants.BOTTOM);    but_about.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseExited(MouseEvent e)      {        but_about_mouseExited(e);      }    });    but_about.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_about_mouseMoved(e);      }    });    but_about.addActionListener(new java.awt.event.ActionListener()    {      public void actionPerformed(ActionEvent e)      {        but_about_actionPerformed(e);      }    });    jPanel5.setLayout(paneLayout1);    pan_state.setBackground(Color.orange);    pan_state.setBorder(BorderFactory.createEtchedBorder());    pan_state.setLayout(boxLayout21);    contentPane.setFont(new java.awt.Font("Serif", 0, 12));    contentPane.setBorder(BorderFactory.createLineBorder(Color.black));    jLabel2.setBackground(Color.orange);    jLabel2.setFont(new java.awt.Font("Serif", 0, 12));    jLabel2.setText("                                ");    ed_input.addKeyListener(new java.awt.event.KeyAdapter()    {      public void keyReleased(KeyEvent e)      {      }      public void keyTyped(KeyEvent e)      {        ed_input_keyTyped(e);      }    });    but_setup.setBackground(Color.white);    but_setup.setFont(new java.awt.Font("Serif", 0, 12));    but_setup.setBorder(null);    but_setup.setHorizontalTextPosition(SwingConstants.CENTER);    but_setup.setText("設置");    but_setup.setVerticalAlignment(SwingConstants.BOTTOM);    but_setup.setVerticalTextPosition(SwingConstants.BOTTOM);    but_setup.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseExited(MouseEvent e)      {        but_setup_mouseExited(e);      }    });    but_setup.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_setup_mouseMoved(e);      }    });    but_setup.addActionListener(new java.awt.event.ActionListener()    {      public void actionPerformed(ActionEvent e)      {        but_setup_actionPerformed(e);      }    });    jsp.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);    jsp.setMinimumSize(new Dimension(50, 50));    pan_userlist.setBackground(Color.white);    pan_userlist.setMinimumSize(new Dimension(60, 60));    pan_userlist.setLayout(verticalFlowLayout1);    lab_my.setBackground(Color.white);    lab_my.setHorizontalAlignment(SwingConstants.CENTER);    lab_my.setHorizontalTextPosition(SwingConstants.CENTER);    lab_my.setVerticalAlignment(SwingConstants.BOTTOM);    lab_my.setVerticalTextPosition(SwingConstants.BOTTOM);    cbo_bc.setBackground(Color.orange);    cbo_bc.setFont(new java.awt.Font("Serif", 0, 12));    cbo_bc.setText("廣播方式");    ed_show.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseReleased(MouseEvent e)      {        ed_show_mouseReleased(e);      }    });    jMenuItem1.setText("清除內容");    jMenuItem1.addMenuKeyListener(new javax.swing.event.MenuKeyListener()    {      public void menuKeyTyped(MenuKeyEvent e)      {      }      public void menuKeyPressed(MenuKeyEvent e)      {      }      public void menuKeyReleased(MenuKeyEvent e)      {        jMenuItem1_menuKeyReleased(e);      }    });    jMenuItem2.setText("保存到文件");    jMenuItem2.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseReleased(MouseEvent e)      {        jMenuItem2_mouseReleased(e);      }    });    but_pause.setBackground(Color.white);    but_pause.setFont(new java.awt.Font("Serif", 0, 12));    but_pause.setBorder(null);    but_pause.setHorizontalTextPosition(SwingConstants.CENTER);    but_pause.setText("離線");    but_pause.setVerticalAlignment(SwingConstants.BOTTOM);    but_pause.setVerticalTextPosition(SwingConstants.BOTTOM);    but_pause.addMouseMotionListener(new java.awt.event.MouseMotionAdapter()    {      public void mouseMoved(MouseEvent e)      {        but_pause_mouseMoved(e);      }    });    but_pause.addMouseListener(new java.awt.event.MouseAdapter()    {      public void mouseExited(MouseEvent e)      {        but_pause_mouseExited(e);      }    });    but_pause.addActionListener(new java.awt.event.ActionListener()    {      public void actionPerformed(ActionEvent e)      {        but_pause_actionPerformed(e);      }    });    label1.setFont(new java.awt.Font("Serif", 0, 12));    label1.setText("      ");    ed_show.setFont(new java.awt.Font("SansSerif", 0, 12));    ed_input.setFont(new java.awt.Font("Serif", 0, 12));    lab_uname.setFont(new java.awt.Font("Serif", 0, 12));    lab_uimage.setFont(new java.awt.Font("Serif", 0, 12));    lab_info.setFont(new java.awt.Font("Dialog", 0, 12));    contentPane.add(jPanel1, BorderLayout.CENTER);    jPanel1.add(jsp8,  BorderLayout.CENTER);    jsp8.add(jPanel5, JSplitPane.RIGHT);    contentPane.add(jPanel2, BorderLayout.NORTH);    jMenuBar1.add(jMenu1);    pan_state.add(jLabel2, null);    pan_state.add(lab_uname, null);    pan_state.add(lab_uimage, null);    pan_state.add(lab_info, null);    pan_state.add(label1, null);    pan_state.add(cbo_bc, null);    jsp8.add(jsp, JSplitPane.LEFT);    jsp.getViewport().add(pan_userlist, null);    jScrollPane1.getViewport().add(ed_show, null);    jScrollPane2.getViewport().add(ed_input, null);    pop_menu.add(jMenuItem1);    pop_menu.add(jMenuItem2);    jPanel2.add(but_online,                     new PaneConstraints("but_online", "but_online", PaneConstraints.ROOT, 0.5f));    jPanel2.add(but_offline,                     new PaneConstraints("but_offonline", "but_online", PaneConstraints.RIGHT, 0.87860084f));    jPanel2.add(but_setup,                     new PaneConstraints("but_set", "but_offonline", PaneConstraints.RIGHT, 0.72196263f));    jPanel2.add(but_pause,                     new PaneConstraints("jButton1", "but_offonline", PaneConstraints.LEFT, 0.5f));    jPanel2.add(but_about,                     new PaneConstraints("but_about", "but_set", PaneConstraints.RIGHT, 0.8039867f));    jPanel2.add(but_exit,                     new PaneConstraints("but_exit", "but_about", PaneConstraints.RIGHT, 0.76033056f));    jPanel2.add(lab_my,                     new PaneConstraints("jLabel1", "but_exit", PaneConstraints.RIGHT, 0.6683938f));    jPanel2.add(label2,     new PaneConstraints("label2", "jLabel1", PaneConstraints.LEFT, 0.380597f));    jPanel5.add(pan_state, new PaneConstraints("jPanel3", "jPanel3", PaneConstraints.ROOT, 0.5f));    jPanel5.add(jScrollPane1, new PaneConstraints("jScrollPane1", "jPanel3", PaneConstraints.TOP, 0.66549295f));    jPanel5.add(jScrollPane2, new PaneConstraints("jScrollPane2", "jPanel3", PaneConstraints.BOTTOM, 0.47761196f));    Icon icon1=new ImageIcon("online.gif");    Icon icon2=new ImageIcon("offline.gif");    Icon icon3=new ImageIcon("setup.gif");    Icon icon4=new ImageIcon("about.gif");    Icon icon5=new ImageIcon("exit.gif");    Icon iconlk=new ImageIcon("lk.gif");    Icon iconfh=new ImageIcon("fh.gif");    but_online.setIcon(icon1);    but_offline.setIcon(icon2);    but_setup.setIcon(icon3);    but_about.setIcon(icon4);    but_exit.setIcon(icon5);    but_pause.setIcon(iconlk);    try    {      InetAddress localHost=InetAddress.getLocalHost();      myip=localHost.getHostAddress();    }    catch(Exception aa)    {    }  }  //Overridden so we can exit when window is closed  protected void processWindowEvent(WindowEvent e)  {    super.processWindowEvent(e);    if (e.getID() == WindowEvent.WINDOW_CLOSING)    {      System.exit(0);    }  }//end procedure