private void clickCheckAll( int state ) {
    int       index;
    JCheckBox checkbox;
    
    if ( state == ItemEvent.SELECTED ) {
      for ( index = 0; index < panelLimits.getComponentCount(); index++ ) {
        checkbox = (JCheckBox) panelLimits.getComponent( index );
        checkbox.setEnabled(  false );
        checkbox.setSelected( true  );
        _itemObjects = ItemObjectDAO.getAllItems();
      } // for
    } // if

    if ( state == ItemEvent.DESELECTED ) {
      for ( index = 0; index < panelLimits.getComponentCount(); index++ ) {
        checkbox = (JCheckBox) panelLimits.getComponent( index );
        checkbox.setEnabled(  true  );
        checkbox.setSelected( false );
        _itemObjects    = new ItemObject[1];
        _itemObjects[0] = ItemObjectDAO.getEmptyItem();
      } // for
    } // if
    
  } // clickCheckAll -----------------------------------------------------------