src/org/sourceforge/astei/desert/DesertApplet.java

   1 package org.sourceforge.astei.desert;
   2
   3 import java.applet.Applet;
   4 import java.awt.*;
   5 import java.awt.event.ActionEvent;
   6 import java.awt.event.ActionListener;
   7 import javax.swing.SwingUtilities;
   8 import javax.swing.Timer;
   9
  10 /**
  11  *
  12  * @author andrew
  13  * @author codistmonk (modifications since 2010-04-13)
  14  */
  15 public class DesertApplet extends Applet implements ActionListener {
  16
  17     private final DrawingBoard drawingBoard;
  18
  19     private final Timer updater;
  20
  21     public DesertApplet() {
  22         this.drawingBoard = new DrawingBoard();
  23         this.updater = new Timer(40, this);
  24     }
  25
  26     @Override
  27     public final void init() {
  28         this.setLayout(new BorderLayout());
  29         this.add(this.drawingBoard, BorderLayout.CENTER);
  30
  31         this.updater.start();
  32     }
  33
  34     @Override
  35     public final void actionPerformed(final ActionEvent event) {
  36         if (!SwingUtilities.isEventDispatchThread()) {
  37             throw new IllegalStateException("This method must be executed in the AWT Event Thread");
  38         }
  39
  40         this.drawingBoard.update(this.updater.getDelay() / 1000.0);
  41         this.drawingBoard.repaint();
  42     }
  43
  44 }