@Override
      public Component getListCellRendererComponent(JList<? extends ExcludeListItem> list,
                                                    ExcludeListItem value,
                                                    int index,
                                                    boolean selected,
                                                    boolean hasFocus) {
        super.getListCellRendererComponent(list, value, index, selected, hasFocus);
        panel.setBackground(UIUtil.getListBackground(selected, hasFocus));
        return panel;
      }
@Override
      public Component getListCellRendererComponent(JList<? extends ExcludeListItem> list,
                                                    ExcludeListItem value,
                                                    int index,
                                                    boolean selected,
                                                    boolean hasFocus)