@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);
}
});
}
}
/** Creates new form GUI */
public ClientGUI(String loginID, String password, String host, int port) {
try {
client = new ChatClient(loginID, password, host, port, this);
} catch (IOException exception) {
System.out.println("Cannot open connection. Awaiting command.");
// System.exit(1);
}
try {
client.addObserver(this);
} catch (Exception e) {
// server not started
JOptionPane.showMessageDialog(
null, "Error: Could not connect to server. Make sure server is started and try again");
System.exit(0);
}
SetupUI(loginID);
self = this;
}
public static void main(String[] args) {
ChatClient auxChat = new ChatClient();
auxChat.launchFrame();
}
public static void main(String[] args) {
ChatClient window = new ChatClient();
window.setSize(800, 600);
window.setVisible(true);
}