1/AboutBox.java

//

//  File:   AboutBox.java

//

import java.awt.*;

import java.awt.event.*;

import java.util.Locale;

import java.util.ResourceBundle;

import javax.swing.*;

public class AboutBox extends JFrame implements ActionListener {

    protected JLabel titleLabel, aboutLabel[];

    protected static int labelCount = 8;

    protected static int aboutWidth = 280;

    protected static int aboutHeight = 230;

    protected static int aboutTop = 200;

    protected static int aboutLeft = 350;

    protected Font titleFont, bodyFont;

    protected ResourceBundle resbundle;

    public AboutBox() {

        super("");

        this.setResizable(false);

        resbundle = ResourceBundle.getBundle ("_strings", Locale.getDefault());

        SymWindow aSymWindow = new SymWindow();

        this.addWindowListener(aSymWindow); 

        // Initialize useful fonts

        titleFont = new Font("Lucida Grande", Font.BOLD, 14);

        if (titleFont == null) {

            titleFont = new Font("SansSerif", Font.BOLD, 14);

        }

        bodyFont  = new Font("Lucida Grande", Font.PLAIN, 10);

        if (bodyFont == null) {

            bodyFont = new Font("SansSerif", Font.PLAIN, 10);

        }

        this.getContentPane().setLayout(new BorderLayout(15, 15));

        aboutLabel = new JLabel[labelCount];

        aboutLabel[0] = new JLabel("");

        aboutLabel[1] = new JLabel(resbundle.getString("frameConstructor"));

        aboutLabel[1].setFont(titleFont);

        aboutLabel[2] = new JLabel(resbundle.getString("appVersion"));

        aboutLabel[2].setFont(bodyFont);

        aboutLabel[3] = new JLabel("");

        aboutLabel[4] = new JLabel("");

        aboutLabel[5] = new JLabel("JDK " + System.getProperty("java.version"));

        aboutLabel[5].setFont(bodyFont);

        aboutLabel[6] = new JLabel(resbundle.getString("copyright"));

        aboutLabel[6].setFont(bodyFont);

        aboutLabel[7] = new JLabel("");     

        Panel textPanel2 = new Panel(new GridLayout(labelCount, 1));

        for (int i = 0; i<labelCount; i++) {

            aboutLabel[i].setHorizontalAlignment(JLabel.CENTER);

            textPanel2.add(aboutLabel[i]);

        }

        this.getContentPane().add (textPanel2, BorderLayout.CENTER);

        this.pack();

        this.setLocation(aboutLeft, aboutTop);

        this.setSize(aboutWidth, aboutHeight);

    }

    class SymWindow extends java.awt.event.WindowAdapter {

        public void windowClosing(java.awt.event.WindowEvent event) {

            setVisible(false);

        }

    }

    public void actionPerformed(ActionEvent newEvent) {

        setVisible(false);

    }       

}