private static void repopulateList()
  {
    final TreeSet<CButton> files = FileWalker.getInstance().getSetButtons();
    jPanel.removeAll();
    for (CButton cButton : files)
      if (cButton.isVisible())
      {
        jPanel.add(new ButtonHolder(cButton));
        jPanel.add(Box.createRigidArea(new Dimension(1, 50)));
      }
    defaultList = jPanel.getComponents();
  }