Window focus order

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class Sequencing implements ActionListener, WindowListener, FocusListener

{

JDialog dialog;

public Sequencing()

{

dialog = new JDialog(new Frame(), "dialog");

dialog.addFocusListener(this);

dialog.addWindowListener(this);

dialog.setSize(200,100);

dialog.setLocation(425,200);

}

public void actionPerformed(ActionEvent e)

{

if(!dialog.isVisible())

{

dialog.setVisible(true);

System.out.println("dialog.setVisible");

}

else

dialog.toFront();

}

public void focusGained(FocusEvent e){ print(e, "focusGained");}

public void focusLost(FocusEvent e) { print(e, "focusLost"); }

public void windowActivated(WindowEvent e){ print(e, "windowActivated");}

public void windowDeactivated(WindowEvent e) { print(e, "windowDeactivated"); }

public void windowClosing(WindowEvent e){ print(e, "windowClosing");}

private void print(AWTEvent e, String activity)

{

String id = e.getSource().getClass().getName();

id = id.substring(id.lastIndexOf(".")+1);

System.out.println(id + " " + activity);

}

public static void main(String[] args)

{

Sequencing test = new Sequencing();

JFrame f = new JFrame();

f.addFocusListener(test);

f.addWindowListener(test);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

f.getContentPane().add(test.getNorth(), "North");

f.setSize(200,100);

f.setLocation(200,200);

f.setVisible(true);

}

private JPanel getNorth()

{

JButton button = new JButton("open dialog");

button.addActionListener(this);

JPanel panel = new JPanel();

panel.add(button);

return panel;

}

public void windowClosed(WindowEvent e){ }

public void windowDeiconified(WindowEvent e) { }

public void windowIconified(WindowEvent e){ }

public void windowOpened(WindowEvent e){ }

}

74philipa at 2007-7-16 1:58:45 >