public void actionPerformed(ActionEvent event) {
if (event.getSource() == joinButton) {
if (joinButton.isSelected()) {
mThread =
new MulticastThread(
Integer.valueOf(portField.getText()), chatIPField.getText(), chatroomArea, true);
(new Thread(mThread)).start();
}
}
if (event.getSource() == sendButton) {
mThread.send(usernameField.getText(), chatMsgField.getText());
chatMsgField.setText("");
}
if (event.getSource() == leaveButton) {
try {
joinButton.setSelected(false);
mThread.leave();
System.out.println("Disconnected from chat ");
} catch (Exception e) {
}
}
if (event.getSource() == exitButton) {
System.exit(0);
}
}
private void initComponents() {
try {
for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (Exception e) {
// If Nimbus is not available, you can set the GUI to another look and feel.
}
usernameLabel = new JLabel();
usernameField = new JTextField();
chatroomScrollPane = new JScrollPane();
chatroomArea = new JTextArea();
chatMsgLabel = new JLabel();
chatMsgField = new JTextField();
chatIPLabel = new JLabel();
chatIPField = new JTextField();
portLabel = new JLabel();
portField = new JTextField();
joinButton = new JToggleButton();
sendButton = new JButton();
leaveButton = new JButton();
exitButton = new JButton();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
usernameLabel.setText("Username:"******" ");
chatroomArea.setEditable(false);
chatroomArea.setColumns(20);
chatroomArea.setRows(5);
chatroomScrollPane.setViewportView(chatroomArea);
chatMsgLabel.setText("Chat Message:");
chatIPLabel.setText("Chat Group IP");
chatIPField.setText("224.27.43.188");
portLabel.setText("Port");
portField.setText("4001");
joinButton.setText("JOIN CHAT");
joinButton.addActionListener(this);
sendButton.setText("SEND MESSAGE");
sendButton.addActionListener(this);
leaveButton.setText("LEAVE CHAT");
leaveButton.addActionListener(this);
exitButton.setText("EXIT");
exitButton.addActionListener(this);
GroupLayout layout = new GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(
layout
.createSequentialGroup()
.addContainerGap()
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(
GroupLayout.Alignment.TRAILING,
layout
.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(usernameLabel)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addComponent(
usernameField,
GroupLayout.PREFERRED_SIZE,
83,
GroupLayout.PREFERRED_SIZE))
.addComponent(chatroomScrollPane)
.addGroup(
layout
.createSequentialGroup()
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(
layout
.createSequentialGroup()
.addComponent(chatMsgLabel)
.addPreferredGap(
LayoutStyle.ComponentPlacement.RELATED)
.addComponent(
chatMsgField,
GroupLayout.PREFERRED_SIZE,
296,
GroupLayout.PREFERRED_SIZE))
.addGroup(
layout
.createSequentialGroup()
.addGroup(
layout
.createParallelGroup(
GroupLayout.Alignment.TRAILING,
false)
.addComponent(
chatIPField,
GroupLayout.Alignment.LEADING)
.addComponent(
chatIPLabel,
GroupLayout.Alignment.LEADING,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(18, 18, 18)
.addGroup(
layout
.createParallelGroup(
GroupLayout.Alignment.LEADING,
false)
.addComponent(
portField,
GroupLayout.DEFAULT_SIZE,
46,
Short.MAX_VALUE)
.addComponent(
portLabel,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(18, 18, 18)
.addGroup(
layout
.createParallelGroup(
GroupLayout.Alignment.LEADING,
false)
.addGroup(
layout
.createSequentialGroup()
.addComponent(leaveButton)
.addGap(18, 18, 18)
.addComponent(
exitButton,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGroup(
layout
.createSequentialGroup()
.addComponent(
joinButton,
GroupLayout.PREFERRED_SIZE,
93,
GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addComponent(sendButton)))))
.addGap(0, 8, Short.MAX_VALUE)))
.addContainerGap()));
layout.setVerticalGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(
layout
.createSequentialGroup()
.addContainerGap()
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING, false)
.addComponent(usernameField)
.addComponent(
usernameLabel,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(3, 3, 3)
.addComponent(
chatroomScrollPane,
GroupLayout.PREFERRED_SIZE,
178,
GroupLayout.PREFERRED_SIZE)
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(
chatMsgLabel,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent(
chatMsgField,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE))
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.LEADING)
.addGroup(
layout
.createSequentialGroup()
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(chatIPLabel)
.addComponent(portLabel))
.addPreferredGap(LayoutStyle.ComponentPlacement.RELATED)
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(
chatIPField,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE)
.addComponent(
portField,
GroupLayout.PREFERRED_SIZE,
GroupLayout.DEFAULT_SIZE,
GroupLayout.PREFERRED_SIZE)))
.addGroup(
layout
.createSequentialGroup()
.addGap(16, 16, 16)
.addGroup(
layout
.createParallelGroup(
GroupLayout.Alignment.LEADING, false)
.addComponent(
joinButton,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.addComponent(
sendButton,
GroupLayout.DEFAULT_SIZE,
GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE))
.addGap(8, 8, 8)
.addGroup(
layout
.createParallelGroup(GroupLayout.Alignment.BASELINE)
.addComponent(leaveButton)
.addComponent(exitButton))))
.addGap(17, 17, 17)));
pack();
setVisible(true);
}