public synchronized void setPlayer(Player player) {
   if (this.player != null) {
     this.player.removeChangeListener(this);
     player.removePropertyChangeListener(this);
   }
   this.player = player;
   //        boundedRangeModel = player == null ? null : player.getBoundedRangeModel();
   boundedRangeModel = player == null ? null : player.getTimeModel();
   slider.setModel(boundedRangeModel);
   if (player != null) {
     if (player.getState() >= Player.REALIZED
         && boundedRangeModel != null
         && boundedRangeModel.getMaximum() == 0) {
       setPlayerControlsVisible(false);
     }
     slider.setProgressModel(player.getCachingModel());
     startButton.setSelected(player.isActive());
     player.addChangeListener(this);
     player.addPropertyChangeListener(this);
     audioButton.setVisible(player.isAudioAvailable());
     audioButton.setSelected(player.isAudioEnabled());
     colorCyclingButton.setVisible(
         (player instanceof ColorCyclePlayer)
             ? ((ColorCyclePlayer) player).isColorCyclingAvailable()
             : false);
     colorCyclingButton.setSelected(
         (player instanceof ColorCyclePlayer)
             ? ((ColorCyclePlayer) player).isColorCyclingStarted()
             : false);
     validate();
     repaint();
     BoundedRangeModel cachingControlModel = slider.getProgressModel();
   }
 }
  public void actionPerformed(ActionEvent event) {
    Object source = event.getSource();
    if (boundedRangeModel != null) {
      int value = boundedRangeModel.getValue();
      if (source == forwardButton) {
        boundedRangeModel.setValue(
            value == boundedRangeModel.getMaximum() ? boundedRangeModel.getMinimum() : value + 1);
      } else if (source == rewindButton) {
        boundedRangeModel.setValue(
            value == boundedRangeModel.getMinimum() ? boundedRangeModel.getMaximum() : value - 1);
      } else if (source == startButton) {
        if (startButton.isSelected() != player.isActive()) {
          if (startButton.isSelected()) {
            player.start();
          } else {
            player.stop();
          }
        }
      } else if (source == audioButton) {

        player.setAudioEnabled(audioButton.isSelected());
      } else if (source == colorCyclingButton) {
        if (player instanceof ColorCyclePlayer) {
          ((ColorCyclePlayer) player).setColorCyclingStarted(colorCyclingButton.isSelected());
        }
      }
    }
  }