if ( libraryInsertConfict( ) ) { return false; }
	protected boolean calculateEnabled( )	{		if ( libraryInsertConfict( ) )		{			return false;		}		SlotHandle container = getContainer( );		if ( container != null )		{			return container.getElementHandle( )					.canContain( container.getSlotID( ), dataType );		}		return false;	}