ApplicationExample1.java

/*
 * Copyright (C) 2006 Sun Microsystems, Inc. All rights reserved. 
 * Copyright (C) 2011 Nicolas Peransin. 
 * Use is subject to license terms.
 */
package examples;

import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;
import javax.swing.JLabel;

import org.mypsycho.swing.app.Application;

/**
 * A "Hello World" application.
 * <p>
 * A simpler way to write an application like this would be to use the 
 * {@code SingleFrameApplication} base class.
 * </p>
 * 
 * @author Hans Muller (Hans.Muller@Sun.COM)
 */
public class ApplicationExample1 extends Application {

    JFrame mainFrame = null;

    @Override
    protected void startup() {
        JLabel label = new JLabel("Hello World", JLabel.CENTER);
        label.setFont(new Font("LucidaSans", Font.PLAIN, 32));
        mainFrame = new JFrame(" Hello World ");
        mainFrame.setName("appFrame"); // only required for testing
        mainFrame.add(label, BorderLayout.CENTER);
        mainFrame.addWindowListener(new MainFrameListener());
        mainFrame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
        mainFrame.pack();
        mainFrame.setLocationRelativeTo(null);  // center the window
        mainFrame.setVisible(true);
    }

    @Override
    protected void shutdown() {
        mainFrame.setVisible(false);
    }

    private class MainFrameListener extends WindowAdapter {

        public void windowClosing(WindowEvent e) {
            exit();
        }
    }

    public static void main(String[] args) {
        new ApplicationExample1().launch(args);
    }
}