@Override
public void update(Observable arg0, Object arg1) {
if (arg1 instanceof String) {
String message = arg1.toString();
if (message.startsWith("Forwarding: ")) {
ForwardButton.setText("Stop Forwarding");
SetChannelButton.setEnabled(false);
BlockButton.setEnabled(false);
Send.setEnabled(false);
MessageInput.setEnabled(false);
MessageDisplay.setEnabled(false);
Availability.setEnabled(false);
} else if (message.startsWith("End Forwarding:")) {
ForwardButton.setText("Forward");
SetChannelButton.setEnabled(true);
BlockButton.setEnabled(true);
Send.setEnabled(true);
MessageInput.setEnabled(true);
MessageDisplay.setEnabled(true);
Availability.setEnabled(true);
} else if (message.startsWith("#send")) {
try {
client.sendToServer(message.substring(6));
} catch (IOException e) {
e.printStackTrace();
}
return;
} else if (message.startsWith("#linedraw")) {
drawPad.updateDraw(message);
return;
} else if (message.startsWith("Login Error:")) {
java.awt.EventQueue.invokeLater(
new Runnable() {
public void run() {
chatFrame.setVisible(false);
LoginGUI login = new LoginGUI(true);
}
});
}
if (!message.substring(message.length() - 1, message.length()).equals("\n")) message += "\n";
// Update UI display safely
final String msg = message;
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
MessageDisplay.append(msg);
}
});
}
}
