import java.awt.*;
import Ticket;

public class TicketReader extends java.applet.Applet implements 
Runnable
        {
        Thread runner;
        String ticketFace = "Waiting to get ticket\n";

        public void start()
                {
                if (runner == null)
                        {
                        runner = new Thread(this);
                        runner.start();
                        }
                }

        public void stop()
                {
                if (runner != null)
                        {
                        runner.stop();
                        runner = null;
                        }
                }

        public void run()
                {
                while (true)
                        {
                        try
                                {
                                Thread.sleep(1000);
                                }
                        catch (InterruptedException e) {}

                        if (Ticket.getTicket() != 0)
                                {
                                ticketFace = "The ticket is now " + 
					Ticket.getTicket();
                                }

                        repaint();
                        }
                }

        public void paint(Graphics g)
                {
                Font font = new Font("Times Roman", Font.PLAIN, 20);
                FontMetrics fm = getFontMetrics(font);

                g.setFont(font);

                int x = (this.size().width -
			 fm.stringWidth(ticketFace)) / 2;
                int y = (this.size().height - fm.getHeight()) / 2;

                g.drawString(ticketFace, x, y);
                }
        }