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);
}
}