GridLayoutPane.java Source code

Introduction

Here is the source code for GridLayoutPane.java

Source

/*
 * 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.GridLayout;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class GridLayoutPane extends JPanel {
    public GridLayoutPane() {
        // Layout components into a grid three columns wide, with the number
        // of rows depending on the number of components. Leave 10 pixels
        // of horizontal and vertical space between components
        this.setLayout(new GridLayout(0, 3, 10, 10));
        // Add some components
        for (int i = 1; i <= 12; i++)
            this.add(new JButton("Button #" + i));
    }

    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 GridLayoutPane(), BorderLayout.CENTER);
        // Finally, set the size of the main window, and pop it up.
        frame.setSize(600, 400);
        frame.setVisible(true);
    }
}