Problem displaying JDialog from a JApplet

Question

When I try to display a JDialog (of a JFrame) from a JApplet, the dialog is displayed but it never receives any paint events, so the form seems empty.
Basically, this is what happens:
A JPanel is added to the content pane of a JApplet.
When that panel receives a mouse action event, a new window is created like this:
TestWindow tw = new TestWindow();
tw.setVisible();That's it. When the window is started from a method in the applet itself, however (init() for example) the window does display correctly.
Can anyone tell me what might be going wrong?

Answer 1

/*  <applet code="AppletDialog" width="300" height="180"></applet>
*  use: >appletviewer AppletDialog.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class AppletDialog extends JApplet
    JDialog dialog;
    public void init()
        initDialog();
        getContentPane().setLayout(new BorderLayout());
        getContentPane().add(getNorthPanel(), "North");
        getContentPane().add(getSouthPanel(), "South");
    private void initDialog()
        JLabel label = new JLabel("dialog contents", JLabel.CENTER);
        dialog = new JDialog(new Frame(), false);
        dialog.getContentPane().add(label);
        dialog.setSize(200,100);
        dialog.setLocation(540,200);
    private JPanel getNorthPanel()
        JButton launch = new JButton("show dialog");
        launch.addActionListener(new ActionListener()
            public void actionPerformed(ActionEvent e)
                dialog.setTitle("from button");
                dialog.setVisible(true);
        JPanel panel = new JPanel();
        panel.add(launch);
        return panel;
    private JPanel getSouthPanel()
        JPanel panel = new JPanel(new BorderLayout());
        panel.setBackground(Color.pink);
        panel.add(new JLabel("click here for dialog", JLabel.CENTER));
        Dimension d = panel.getPreferredSize();
        d.height = 45;
        panel.setPreferredSize(d);
        panel.addMouseListener(new MouseAdapter()
            public void mousePressed(MouseEvent e)
                dialog.setTitle("from mouse");
                dialog.setVisible(true);
        return panel;
    public static void main(String[] args)
        JApplet applet = new AppletDialog();
        JFrame f = new JFrame();
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.getContentPane().add(applet);
        f.setSize(300,180);
        f.setLocation(200,200);
        applet.init();
        f.setVisible(true);
}