com.barrybecker4.ui.application.ApplicationFrame Maven / Gradle / Ivy

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// Copyright by Barry G. Becker, 2000-2011. Licensed under MIT License: http://www.opensource.org/licenses/MIT
package com.barrybecker4.ui.application;

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

/**
 * Boiler plate code for a java application.
 *
 * @author Barry Becker
 */
public class ApplicationFrame extends JFrame {

    public static final String DEFAULT_TITLE = "ApplicationFrame v1.0";   // NON-NLS

    public ApplicationFrame()  {
        this( DEFAULT_TITLE );
    }

    public ApplicationFrame( String title ) {
        super( (title == null) ? DEFAULT_TITLE : title );
        createUI();
    }

    protected void createUI() {
        setSize( 500, 400 );
        center();

        addWindowListener( new WindowAdapter() {
            @Override
            public void windowClosing( WindowEvent e )  {
                dispose();
                System.exit( 0 );
            }
        } );

        this.setVisible(true);
    }

    public void center()  {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension frameSize = getSize();
        int x = (screenSize.width - frameSize.width) >> 1;
        int y = (screenSize.height - frameSize.height) >> 1;
        setLocation( x, y );
    }

    public static void main(String[] args) throws Exception {
        new ApplicationFrame("Test Frame");  // NON-NLS
    }
}