@Override
public void init() {
Container content = getContentPane();
final InstructionsPane pane = new InstructionsPane(this, 0, 5);
StatusPane toggleStep = new StatusPane(pane);
content.add(pane, BorderLayout.CENTER);
content.add(toggleStep, BorderLayout.SOUTH);
// add one new step in the panel store
int step = pane.addStep();