myTickTimer = new Timer(TICK_DELAY, new TickAction());
    private void buildGUI() {        loadIcons();        //Actions        myTickButton = new JButton(new TickButtonAction());        myTickButton.setIcon(myTickIcon);        myPlayPauseButton = new JButton(new PlayPauseButtonAction());        myPlayPauseButton.setIcon(myPlayIcon);        myButtonPanel.add(myPlayPauseButton);        myButtonPanel.add(myTickButton);        myButtonPanel.setBorder(BorderFactory.createTitledBorder("Actions"));        myStromaPanel = new StromaPanel(myChloroplast.getStroma());        myStromaPanel.setBorder(BorderFactory.createTitledBorder("Stroma"));        myLumenPanel = new LumenPanel(myChloroplast.getThylakoid().getLumen());        myLumenPanel.setBorder(BorderFactory.createTitledBorder("Lumen"));        add(myButtonPanel, BorderLayout.NORTH);        add(myStromaPanel, BorderLayout.EAST);        add(myLumenPanel, BorderLayout.WEST);    }