question: public void deleteActiveLinks ( ) { if ( selectedLinkList . isEmpty ( ) ) return ; for ( Link link : selectedLinkList ) { pairNodeNode p = deleteLink ( link ) ; diffManager . saveState ( diffManager . cloneLink ( link ) , DifferenceManager . type . DELETE , p . node1 , p . node2 , null , null , null , null , null , null ) ; activeLink = null ; } selectedLinkList . clear ( ) ; controls . updateButtons ( ) ; activeLink = null ; repaint ( ) ; }
target:  Deletes the active link of the board from the network.