public void onWho(ActionEvent actionEvent) {
StandardDialog dlg = new StandardDialog();
dlg.setTitle("Your name and address");
String strName = prefs.get(NAME, server.ip + ":" + server.port);
JTextField name = new JTextField(strName),
ip = new JTextField(server.ip),
port = new JTextField(server.port + "");
ip.setEditable(false);
port.setEditable(false);
LabelledItemPanel myContentPane = new LabelledItemPanel();
myContentPane.setBorder(BorderFactory.createEtchedBorder());
myContentPane.addItem("Your name", name);
myContentPane.addItem("", new JLabel("Tell your buddy the follows:"));
myContentPane.addItem("Your IP", ip);
myContentPane.addItem("Your port", port);
dlg.setContentPane(myContentPane);
dlg.setSize(300, 300);
GUIUtils.centerWithinScreen(dlg);
dlg.setVisible(true);
if (!dlg.hasUserCancelled()) {
prefs.put(NAME, name.getText());
server.myName = name.getText();
}
}
public Messenger() {
try {
server.start();
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
// add a buddy
public void onAdd(ActionEvent actionEvent) {
String strName = prefs.get(NAME, null);
if (strName == null || strName.trim().length() == 0) {
JOptionPane.showMessageDialog(this, "Please set your name first");
onWho(actionEvent);
}
if (strName == null || strName.trim().length() == 0) {
return;
}
StandardDialog dlg = new StandardDialog();
dlg.setTitle("Buddy information");
JTextField ip = new JTextField(), port = new JTextField();
LabelledItemPanel myContentPane = new LabelledItemPanel();
myContentPane.setBorder(BorderFactory.createEtchedBorder());
myContentPane.addItem("", new JLabel("Please ask buddy his/her:"));
myContentPane.addItem("IP", ip);
myContentPane.addItem("port", port);
dlg.setContentPane(myContentPane);
dlg.setSize(300, 200);
GUIUtils.centerWithinScreen(dlg);
dlg.setVisible(true);
if (!dlg.hasUserCancelled()) {
String buddyHost = ip.getText();
String buddyPort = port.getText();
if (buddyHost.equals(server.ip) && buddyPort.equals(server.port + "")) {
JOptionPane.showMessageDialog(this, "Well, why talk with yourself?");
return;
}
// ask buddy's name
String buddyName = server.addBuddy(buddyHost, buddyPort);
if (buddyName == null || MoAgent.FAIL.equals(buddyName)) {
JOptionPane.showMessageDialog(this, "Buddy is not answering!");
} else {
Buddy b = new Buddy();
b.name = buddyName;
b.host = buddyHost;
b.port = buddyPort;
b.myID = server.myName;
lstModel.addElement(b);
}
}
}
private void jbInit() throws Exception {
messageMap();
getContentPane().setLayout(borderLayout1);
btnWho.setText("@");
btnWho.setToolTipText("Who am I? Set your id and get your address");
this.getContentPane().add(jScrollPane1, java.awt.BorderLayout.CENTER);
jScrollPane1.getViewport().add(buddyList);
btnAdd.setText("+");
btnAdd.setToolTipText("Add Buddy");
btnAbout.setText("?");
btnAbout.setToolTipText("About");
this.getContentPane().add(jPanel1, java.awt.BorderLayout.SOUTH);
buddyList.setBackground(new Color(184, 199, 153));
jPanel1.add(btnWho);
jPanel1.add(btnAdd);
jPanel1.add(btnAbout);
server.addMessageListener(this);
buddyList.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
JList list = (JList) evt.getSource();
if (evt.getClickCount() == 2) // Double-click
{
// Get item index
int index = list.locationToIndex(evt.getPoint());
Buddy buddy = (Buddy) list.getModel().getElementAt(index);
startTalk(buddy);
}
}
});
int delay = 60 * 1000; // milliseconds
ActionListener taskPerformer =
new ActionListener() {
public void actionPerformed(ActionEvent evt) {
onTimer(evt);
}
};
new Timer(delay, taskPerformer).start();
if (prefs.get(NAME, null) == null) {
String inputValue = null;
// ask for nickname
while (inputValue == null || inputValue.trim().length() == 0) {
inputValue = JOptionPane.showInputDialog("Please choose your nickname");
}
server.myName = inputValue;
prefs.put(NAME, inputValue);
}
// hide the frame if iconized
final JFrame thisFrame = this;
WindowStateListener listener =
new WindowAdapter() {
public void windowStateChanged(WindowEvent evt) {
int oldState = evt.getOldState();
int newState = evt.getNewState();
if ((oldState & Frame.ICONIFIED) == 0 && (newState & Frame.ICONIFIED) != 0) {
// Frame was iconized
thisFrame.setVisible(false);
}
}
};
// Register the listener with the frame
addWindowStateListener(listener);
}
