code: public void moveUp(I_CmsEditableGroupRow row) {
  
          int index = m_container.getComponentIndex(row);
          if (index > 0) {
              m_container.removeComponent(row);
              m_container.addComponent(row, index - 1);
          }
          updateButtonBars();
      }
docs: Moves the given row up.
  
  @param row the row to move