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

/**
 * Base class for all our buttons
 */
public abstract class Button extends JButton implements ActionListener {
    protected Model model; 
    protected Square.ButtonAction action;

    public Button (Model model, Square.ButtonAction action) { 
	this.model = model; 
	this.action = action;
	setBorder (new LineBorder(Color.GREEN, 2));
	addActionListener (this);
    }

    public void actionPerformed (ActionEvent e) { 
	model.getCurrent().doAction (action); 
    }
}