initgui.java

A simple and straightforeward instant messaging program written in Java for all platforms developed

import javax.swing.*;
import java.awt.event.*;
import java.awt.BorderLayout;
import java.awt.Font;
import static java.awt.Font.*;
import java.awt.Color;

public class initGUI extends JFrame implements ActionListener {
    private JDialog aboutBox;
    
    public initGUI(String title) {
        super(title);
        super.setBounds(824, 0, 200, 600);
        
        super.setJMenuBar(drawMenu());
        drawFrame();
        
        super.setDefaultCloseOperation(EXIT_ON_CLOSE);
        super.setVisible(true);
    }
    
    public void drawFrame() {
        JPanel b = new JPanel();
        
        String fakeBuddies[] = { "macRules1990", "linuxMan87", "zachogden" };
        JLabel label         = new JLabel("Buddy List:");
        JList buddyList      = new JList();
        JTextArea msgViewer  = new JTextArea();
        String fakeMsgs    = "Message Viewer:\nlinuxMan87:\nHey man, we still going to that one thing?\n\nmacRules1990:\nDude, Mac Rules.";
        msgViewer.setText(fakeMsgs);
        msgViewer.setEditable(false);
        msgViewer.setLineWrap(true);
        
        label.setFont(new Font("Arial", ITALIC, 12));
        buddyList.setFont(new Font("Arial", PLAIN, 12));
        buddyList.setListData(fakeBuddies);
        
        JTextArea   aArea = new JTextArea();
        JScrollPane sPane = new JScrollPane(aArea);
        
        this.getContentPane().add(label, BorderLayout.NORTH);
        this.getContentPane().add(buddyList, BorderLayout.CENTER);
        this.getContentPane().add(msgViewer, BorderLayout.SOUTH);
    }
    
    public JMenuBar drawMenu()   {
        JMenuBar menu = new JMenuBar();
        JMenu buddies = new JMenu("Buddies");
        JMenu prefs   = new JMenu("Preferences");
        JMenu help    = new JMenu("Help");
        
        JMenuItem about   = new JMenuItem("About");
        about.addActionListener(new newListener("About"));
        
        JMenuItem UC      = new JMenuItem("Under Construction!");
        
        JMenuItem quit    = new JMenuItem("Quit");
        quit.addActionListener(new newListener("Quit"));
        
        JMenuItem options = new JMenuItem("Options...");
        options.addActionListener(new newListener("Options"));
        
        buddies.setMnemonic('B');
        prefs.setMnemonic('P');
        options.setMnemonic('O');
        help.setMnemonic('H');
        
        buddies.add(UC);
        buddies.add(quit);
        
        prefs.add(options);
        
        help.add(about);
        
        menu.add(buddies);
        menu.add(prefs);
        menu.add(help);
        
        return menu;
    }
    
    private void aboutBox() {
        aboutBox = new JDialog(this, "About Java IM", true);
        JPanel msgPanel = new JPanel();
        JPanel btnPane = new JPanel();
        
        JTextArea jArea = new JTextArea();
        jArea.setText("Java IM Version 0.0.1\n" +
                "Copyright The Java IM Development Team\n" +
                "Distributed under the most recent verison of\n" +
                "the GNU General Public License.");
        jArea.setEditable(false);
        msgPanel.add(jArea);
        
        JButton ok = new JButton("OK");
        btnPane.add(ok);
        ok.addActionListener(this);
        
        aboutBox.setLocation(320, 240);
        aboutBox.getContentPane().add(msgPanel);
        aboutBox.getContentPane().add(btnPane, BorderLayout.SOUTH);
        aboutBox.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        
        aboutBox.pack();
        aboutBox.setVisible(true);
        
        return;
    }
    
    /* action listener for about box */
    
    public void actionPerformed(ActionEvent e) {
        aboutBox.setVisible(false);
        aboutBox.dispose();
    }
    
    /* Our very own custom made action listener! */
    
    class newListener implements ActionListener {
        private String name;
        
        public newListener(String n) {
            name = n;
        }
        
        public void actionPerformed(ActionEvent e)   {
            if(name == "Quit")  {
                System.exit(0);
            }
            if(name == "About") {
                aboutBox();
            }
        }
    }
    
}