@Override
  public void exchangeRows(int oldIndex, int newIndex) {
    Object elementToMove = myBaseModel.getElementAt(oldIndex);
    if (newIndex > oldIndex) {
      newIndex--;
    }
    myBaseModel.removeElementAt(oldIndex);
    myBaseModel.insertElementAt(elementToMove, newIndex);
  }
@Override
  public void exchangeRows(int oldIndex, int newIndex)