// Mouse Monitor - student version
// 4 October 2012
// Kees Huizing

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

class MouseMonitor implements MouseListener {
    JFrame window = new JFrame("MouseTracker");
    JLabel pressedCountLabel = new JLabel( "pressed: ");    
    JPanel centerPanel = new JPanel();
    JPanel countPanel = new JPanel();
    
    MouseMonitor() {
        countPanel.add( pressedCountLabel );        
        window.add(centerPanel, BorderLayout.CENTER);
        window.add(countPanel, BorderLayout.SOUTH);
        window.setSize(600,400);
    }
    
    void start() {
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);       
        centerPanel.addMouseListener( this );
        window.setVisible( true );
    }
    
    /***** MouseListener methods ******/
    
    public void mousePressed( MouseEvent e) {
 
    }
 
    public void mouseReleased( MouseEvent e) {
        
    }
    public void mouseClicked( MouseEvent e) {
 
    }
    
    // empty methods of MouseListener
    public void mouseExited( MouseEvent e) {  }
    public void mouseEntered( MouseEvent e) {  }
    
    public static void main(String[] args) {
        new MouseMonitor().start();
    }
}