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📄 displaycmdhelpscreen.java

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💻 JAVA
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/*
 * Copyright (C) 2003-2004 Andrew Smith
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA 02111-1307 USA
 */

import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.Box;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;

public class DisplayCMDHelpScreen extends JFrame {

    public DisplayCMDHelpScreen() {
        System.out.println("Help mode");
        final JFrame f = new JFrame("Command Line options");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        String help = new String();
        help = "<html>The following commands are available<br><br>"
                + "/?, -h, --help&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;display this help box<br>"
                + "--debug&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;enable debugging mode"
                + "<br>&nbsp;</html>";
        JLabel jl = new JLabel(help);
        f.getContentPane().add("Center", jl);
        JButton jb = new JButton("Close");
        jb.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                f.dispose();
                System.exit(0);
            }
        });
        f.getContentPane().add("South", jb);
        f.getContentPane().add("North",
                Box.createRigidArea(new Dimension(10, 10)));
        f.getContentPane().add("East",
                Box.createRigidArea(new Dimension(10, 10)));
        f.getContentPane().add("West",
                Box.createRigidArea(new Dimension(10, 10)));
        
        f.pack();
        
        f.setLocation((int) ((Toolkit.getDefaultToolkit().getScreenSize()
                .getWidth()) - f.getSize().getWidth()) / 2, (int) ((Toolkit
                .getDefaultToolkit().getScreenSize().getHeight()) - f.getSize()
                .getHeight()) / 2);
        
        
        f.setResizable(false);
        f.setVisible(true);
    }
}

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