if ( adapter.hasParent( ) ) return false;
	protected boolean canPaste( TableRow clonedRow,			RowOperationParameters parameters )	{		int destIndex = parameters.getDestIndex( );		int desColumnCount = adapter.getColumnCount( );		SlotHandle slotHandle = getSlotHandle( parameters );		if ( slotHandle == null )			return false;		if ( destIndex < 0 || destIndex >= slotHandle.getCount( ) )			return false;		RowHandle destHandle = (RowHandle) slotHandle.get( destIndex );		int count = adapter.computeRowCount( clonedRow );		if ( ( count == desColumnCount ) && isRectangleArea( destHandle )				&& !containsRowSpan( destHandle ) )			return true;		return false;	}