maingui.java

We intend to develop a wifi enabled p2p file sharing system on a linux platform using jxta and java.

package edu.uiuc.cs.cs327.linuxwifi.gui;

import edu.uiuc.cs.cs327.linuxwifi.services.*;

import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;
import java.util.Vector;

    /**
     * Main class of the entire application that creates the GUI
     * and associated classes.
     */



public class MainGUI  extends Frame {

	private static final boolean DEBUG = false;

	private static LoginScreen loginScreen=null;
	private JTabbedPane mainTabPane=null;
	private JDesktopPane desktop;

	private static MainScreen mainScreen;
	private static ConfigScreen configScreen;
    private static SearchScreen searchScreen;
    private static StatusScreen statusScreen;
    private static PrefScreen prefScreen;

    private ServicesApi servicesAPI;

    public MainGUI(String[] args) {
			super("Linux WiFi P2P Sharing Application");

			servicesAPI = new ServicesApi(this);


			if(DEBUG) System.out.println("Drawing main frame");

			// Add the desktop pane
//			setLayout( new BorderLayout() );
			desktop = new JDesktopPane();
			desktop.setLayout(null);
			desktop.setDoubleBuffered(true);
			add("Center", desktop);
			setMenuBar(createMenuBar());

			setVisible(true);

			try {
					UIManager.setLookAndFeel("javax.swing.plaf.metal.MetalLookAndFeel");
			} catch (Exception e) {
					if (DEBUG) System.err.println("Could not initialize java.awt Metal lnf");
			}

			addWindowListener( new WindowAdapter() {
					public void windowClosing(WindowEvent we) {
					System.exit(0);
					}
			} );

			this.setSize(new Dimension(800,600));

            loginScreen = new LoginScreen(this);

			add(loginScreen,"Center");

//    		show();


    		successfulLogin();

    }

    public void successfulLogin()
    {

         remove(loginScreen);

         mainScreen = new MainScreen(this);
         configScreen = new ConfigScreen(this);
         searchScreen = new SearchScreen(servicesAPI);
         statusScreen = new StatusScreen(this, servicesAPI);
         prefScreen   = new PrefScreen(this);

         mainTabPane = new JTabbedPane(JTabbedPane.BOTTOM);

         mainTabPane.addTab("Main",mainScreen);
         mainTabPane.addTab("Search",searchScreen);
         mainTabPane.addTab("Status",statusScreen);
         mainTabPane.addTab("Config",configScreen);
         mainTabPane.addTab("Preferences",prefScreen);

         add(mainTabPane);

         mainTabPane.show();
         show();

         mainTabPane.setSelectedIndex(0);
    }

    public void logOut()
    {
        System.out.println("MainGUI::logOut::Remove mainTabPane");

        mainTabPane.removeAll();
        mainTabPane.setVisible(false);
        remove(mainTabPane);

        System.out.println("MainGUI::logOut::Remove mainTabPane");

        add(loginScreen,"Center");
        loginScreen.show();

        System.out.println("MainGUI::logOut::Showing");

        show();
    }

    /**
     * Informs GUI that a file has been added/removed from the PeerVector
     * GUI should re-query the peer vector and populate its' apporpriate screens
     */
    public void notifyPeerVectorChanged()
    {
//        System.out.println("NNNNNNNNN ****** NNNNNNN");
        StatusScreen.updatePeerVector();

//          ActionEvent ae = new ActionEvent(this,0,"refresh");

//          StatusScreen.dispatchEvent(new ActionEvent(this, ActionEvent.ACTION_PERFORMED, "refresh"));
    }


    public  static void main(String[] args) {

        MainGUI maingui = new MainGUI(args);
        System.out.println("Hello World");

    }

		// creates the menu bar
		private MenuBar createMenuBar() {
			ActionListener al = new ActionListener() {
					public void actionPerformed(ActionEvent ae) {
						String command = ae.getActionCommand();
						if (command.equals("Exit")) {
								dispose();
								System.exit(0);
						}
					}
			};

			MenuItem item;
			MenuBar mb = new MenuBar();

			// File Menu
			Menu mnFile = new Menu("File");
			mnFile.add(item = new MenuItem("Exit"));
			item.addActionListener(al);

			mb.add(mnFile);
			return mb;
		}



}