/*
   This program adds an extra Button to the
   example from page 100-101 of "Java
   for Students".
*/
import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;

public class Dice2a extends Applet implements ActionListener
{
    private Button throwDice;
    private boolean thrown = false;
    private Button clearDice;

    public void init() {
        throwDice = new Button("Throw");
        add(throwDice);
        throwDice.addActionListener(this);
        clearDice = new Button("Clear");
        add(clearDice);
        clearDice.addActionListener(this);
    }

    public void actionPerformed(ActionEvent event) {
        if (event.getSource() == throwDice)
            thrown = true;
        if (event.getSource() == clearDice)
            thrown = false;
        repaint();
    }

    public void paint(Graphics g) {
        int die1, die2;
        if (thrown)
        {   die1 = (int)(Math.random() * 6)+1;   //see page 42 for "(int)"
            die2 = (int)(Math.random() * 6)+1;
            g.drawString("The dice are " + die1 + " and " + die2, 20, 40);
            if (die1 == die2)
                g.drawString ("a win", 20, 60);
            else
                g.drawString ("sorry" , 20, 60);
        }
        //what happens if "thrown" is false?
    }
}