loginscreen.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 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;

    /**
     * Class that contains all information pertaining to the Login Screen
     */    



class LoginScreen extends JPanel implements ActionListener {

	private static final boolean DEBUG = false;
	private MainGUI mainGUI;
	

    LoginScreen( MainGUI mainGUI ) {  	
        
	
	        this.mainGUI = mainGUI;
			
			JPanel panel1 = this;
			panel1.setLayout(null);
			panel1.setSize(new Dimension(800,600));
			
			
			
			JLabel welcome = new JLabel("Please Login");
			welcome.setFont(new Font(welcome.getFont().getFontName(), welcome.getFont().getStyle(), 20));
		    welcome.setSize(welcome.getPreferredSize());
		
			JLabel userName = new JLabel("Username: ");
			userName.setSize(userName.getPreferredSize());
			
            JTextField userNameEntry = new JTextField(8);
            userNameEntry.setSize(userNameEntry.getPreferredSize());

			JLabel password = new JLabel("Password: ");
			password.setSize(password.getPreferredSize());
			
            JPasswordField passwordEntry = new JPasswordField(8);
            passwordEntry.setSize(passwordEntry.getPreferredSize());
			
			panel1.add(welcome);
			welcome.setLocation((panel1.getWidth()-welcome.getWidth())/2, 100);
			
			panel1.add(userName);			
			userName.setLocation((panel1.getWidth()-(userName.getWidth() + 5 + userNameEntry.getWidth()))/2, 150);
			
			panel1.add(userNameEntry);			
			userNameEntry.setLocation((panel1.getWidth()-(userNameEntry.getWidth()+ 5 + userName.getWidth()))/2 + userName.getWidth(), 150);
			
			panel1.add(password);
            password.setLocation((panel1.getWidth()-(password.getWidth()+5+passwordEntry.getWidth()))/2, 175);
            
            panel1.add(passwordEntry);
			passwordEntry.setLocation((panel1.getWidth()-(password.getWidth()+5+passwordEntry.getWidth()))/2 + password.getWidth(), 175);
			
			
			
			JButton quit = new JButton("Quit");			
			quit.addActionListener(this);
			quit.setActionCommand("cancel");
			
			JButton submit = new JButton("Submit");
			submit.addActionListener(this);
			submit.setActionCommand("submit");
			
			panel1.add(quit);
			panel1.add(submit);
			
			quit.setSize(submit.getPreferredSize());
			submit.setSize(submit.getPreferredSize());
			
			
//			System.out.println("panel width: " + panel1.getWidth() + "quit width: " + quit.getWidth() + 
			
			quit.setLocation((panel1.getWidth() - quit.getWidth()+10+submit.getWidth())/2,225);
			submit.setLocation((panel1.getWidth() - quit.getWidth()+10+submit.getWidth())/2+10+quit.getWidth(),225);
			
			System.out.println("Window Shown");

    }
    
		public void actionPerformed(ActionEvent e) 
		{

            if (e.getActionCommand().equals("submit")) {
                System.out.println("Submit was hit on the login screen");
                mainGUI.successfulLogin();
            }
            else if(e.getActionCommand().equals("cancel")) {
                System.out.println("System cancel recognized");
                System.exit(0);
            }
		
		}
    

			

}