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()); } } } }