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

/** This class tests the MyClock component */
class TestMyClock extends JFrame
{
    MyClock mc;     // the clock we are testing

    public TestMyClock ()
    {
        
        Container c = getContentPane();
	c.setLayout(null);
        
        // Add the clock to the contentPane
        mc = new MyClock();
	mc.setLocation(20, 20);
	c.add(mc);
		
        // Add a button to start the clock ticking
        JButton start = new JButton ("Start");
	start.setSize(70, 30);
	//start.setPreferredSize(new Dimension(70, 30));
	//start.setMaximumSize(new Dimension(70, 30));
	//start.setMinimumSize(new Dimension(70, 30));
        start.setLocation(20, 300);
        start.addActionListener(new TickerHandler(true));
        c.add(start);
	
        // Add a button to stop the clock
        JButton stop = new JButton ("Stop");
        stop.setSize(70, 30);
	//stop.setPreferredSize(new Dimension(70, 30));
	//stop.setMaximumSize(new Dimension(70, 30));
	//stop.setMinimumSize(new Dimension(70, 30));
        stop.setLocation(100, 300);
        stop.addActionListener(new TickerHandler(false));
        c.add(stop);
	
        setSize(205, 400);
        setDefaultCloseOperation (EXIT_ON_CLOSE);
        validate();
        show();
    }

    // This class handles the button clicks to start and stop the clock.
    class TickerHandler implements ActionListener
    {
        boolean runit;    // should we start or stop

        // The constructor requires us to say if are a starter or stopper
        public TickerHandler(boolean runit)
        {
            this.runit = runit;
        }
        
        // dispatch the event to the clock
        public void actionPerformed (ActionEvent e)
        {
	    mc.setTicking(runit);
        }
    }

    // a short simple main
    public static void main (String [] args)
    {
        new TestMyClock();
    }
}