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/*
* Copyright (c) 2000 David Flanagan. All rights reserved. This code is from the
* book Java Examples in a Nutshell, 2nd Edition. It is provided AS-IS, WITHOUT
* ANY WARRANTY either expressed or implied. You may study, use, and modify it
* for any non-commercial purpose. You may distribute it non-commercially as
* long as you retain this notice. For a commercial use license, or to purchase
* the book (recommended), visit http://www.davidflanagan.com/javaexamples2.
*/
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class NullLayoutPane extends JPanel {
public NullLayoutPane() {
// Get rid of the default layout manager.
// We'll arrange the components ourselves.
this.setLayout(null);
// Create some buttons and set their sizes and positions explicitly
for (int i = 1; i <= 9; i++) {
JButton b = new JButton("Button #" + i);
b.setBounds(i * 30, i * 20, 125, 30); // use reshape() in Java 1.0
this.add(b);
}
}
// Specify how big the panel should be.
public Dimension getPreferredSize() {
return new Dimension(425, 250);
}
public static void main(String[] args) {
JFrame frame = new JFrame();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(new NullLayoutPane(), BorderLayout.CENTER);
// Finally, set the size of the main window, and pop it up.
frame.setSize(600, 400);
frame.setVisible(true);
}
}
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