@Override
    public void run(AnActionButton button) {
      final int selectedRow = myRendererChooser.getSelectedElementRow();
      if (selectedRow < 0) {
        return;
      }
      int newRow = selectedRow + (myMoveUp ? -1 : 1);
      if (newRow < 0) {
        newRow = myRendererChooser.getElementCount() - 1;
      }
      else if (newRow >= myRendererChooser.getElementCount()) {
        newRow = 0;
      }
      myRendererChooser.moveElement(myRendererChooser.getElementAt(selectedRow), newRow);
    }
@Override
    public void run(AnActionButton button)