MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class MainClass {

    public static void main(String[] args) {
        JFrame f = new JFrame();

        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);

        show.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                glass.setVisible(true);
                p1.repaint();
            }
        });
        glassButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                glass.setVisible(false);
                p1.repaint();
            }
        });
    }
}