/*

* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license

* Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template

*/

import java.awt.GridBagLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

/*

* Demonstrate use of GlassPane in JWindow & friends. Buttons enable/disable it.

* @author Eckstein et al, in the O'Reilly book "Java Swing"

*/

public class GlassExample {

/** Construct a Splash screen with the given image */

public static void main(String[] args) {

JFrame f = new JFrame("GlassPane");

final JPanel p1 = new JPanel();

p1.add(new JLabel("GlassPane Example"));

JButton show = new JButton("Show");

p1.add(show);

p1.add(new JButton("No-op"));

f.getContentPane().add(p1);

final JPanel glass = (JPanel) f.getGlassPane();

glass.setVisible(true);

glass.setLayout(new GridBagLayout());

JButton glassButton = new JButton("Hide");

glass.add(glassButton);

f.setSize(150, 80);

f.setVisible(true);

boolean debug = false;

if (debug) {

System.out.println("Button is " + glassButton);

System.out.println("GlassPane is " + glass);

}

// Add actions to the buttons...

// show button (re-)shows the glass pane.

show.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

glass.setVisible(true);

p1.repaint();

}

});

// hide button hides the Glass Pane to show what's under.

glassButton.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

glass.setVisible(false);

p1.repaint();

}

});

}

}