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

public class StopButton extends JButton {

    private MainPanel _m;
    
    public StopButton(MainPanel m) {
	super("Stop");
	_m = m;
	addActionListener(new StopButtonListener());
    }

    class StopButtonListener implements ActionListener {

	public void actionPerformed(ActionEvent e) {
	    _m.stop();
	}
    }    
    
}