Exemplo n.º 1
0
  // Initialize all the GUI components and display the frame
  private static void initGUI() {
    // Set up the status bar
    statusField = new JLabel();
    statusField.setText(statusMessages[DISCONNECTED]);
    statusColor = new JTextField(1);
    statusColor.setBackground(Color.red);
    statusColor.setEditable(false);
    statusBar = new JPanel(new BorderLayout());
    statusBar.add(statusColor, BorderLayout.WEST);
    statusBar.add(statusField, BorderLayout.CENTER);

    // Set up the options pane
    JPanel optionsPane = initOptionsPane();

    // Set up the chat pane
    JPanel chatPane = new JPanel(new BorderLayout());
    chatText = new JTextArea(10, 20);
    chatText.setLineWrap(true);
    chatText.setEditable(false);
    chatText.setForeground(Color.blue);
    JScrollPane chatTextPane =
        new JScrollPane(
            chatText,
            JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
    chatLine = new JTextField();
    chatLine.setEnabled(false);
    chatLine.addActionListener(
        new ActionAdapter() {
          public void actionPerformed(ActionEvent e) {
            String s = chatLine.getText();
            if (!s.equals("")) {
              appendToChatBox("OUTGOING: " + s + "\n");
              chatLine.selectAll();

              // Send the string
              sendString(s);
            }
          }
        });
    chatPane.add(chatLine, BorderLayout.SOUTH);
    chatPane.add(chatTextPane, BorderLayout.CENTER);
    chatPane.setPreferredSize(new Dimension(200, 200));

    // Set up the main pane
    JPanel mainPane = new JPanel(new BorderLayout());
    mainPane.add(statusBar, BorderLayout.SOUTH);
    mainPane.add(optionsPane, BorderLayout.WEST);
    mainPane.add(chatPane, BorderLayout.CENTER);

    // Set up the main frame
    mainFrame = new JFrame("Simple TCP Chat");
    mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    mainFrame.setContentPane(mainPane);
    mainFrame.setSize(mainFrame.getPreferredSize());
    mainFrame.setLocation(200, 200);
    mainFrame.pack();
    mainFrame.setVisible(true);
  }
Exemplo n.º 2
0
  // Checks the current state and sets the enables/disables
  // accordingly
  public void run() {
    switch (connectionStatus) {
      case DISCONNECTED:
        connectButton.setEnabled(true);
        disconnectButton.setEnabled(false);
        ipField.setEnabled(true);
        portField.setEnabled(true);
        hostOption.setEnabled(true);
        guestOption.setEnabled(true);
        chatLine.setText("");
        chatLine.setEnabled(false);
        statusColor.setBackground(Color.red);
        break;

      case DISCONNECTING:
        connectButton.setEnabled(false);
        disconnectButton.setEnabled(false);
        ipField.setEnabled(false);
        portField.setEnabled(false);
        hostOption.setEnabled(false);
        guestOption.setEnabled(false);
        chatLine.setEnabled(false);
        statusColor.setBackground(Color.orange);
        break;

      case CONNECTED:
        connectButton.setEnabled(false);
        disconnectButton.setEnabled(true);
        ipField.setEnabled(false);
        portField.setEnabled(false);
        hostOption.setEnabled(false);
        guestOption.setEnabled(false);
        chatLine.setEnabled(true);
        statusColor.setBackground(Color.green);
        break;

      case BEGIN_CONNECT:
        connectButton.setEnabled(false);
        disconnectButton.setEnabled(false);
        ipField.setEnabled(false);
        portField.setEnabled(false);
        hostOption.setEnabled(false);
        guestOption.setEnabled(false);
        chatLine.setEnabled(false);
        chatLine.grabFocus();
        statusColor.setBackground(Color.orange);
        break;
    }

    // Make sure that the button/text field states are consistent
    // with the internal states
    ipField.setText(hostIP);
    portField.setText((new Integer(port)).toString());
    hostOption.setSelected(isHost);
    guestOption.setSelected(!isHost);
    statusField.setText(statusString);
    chatText.append(toAppend.toString());
    toAppend.setLength(0);

    mainFrame.repaint();
  }