nl_tokens: deal with focus
pl_tokens: <mask> ( ) { var f = $ . jstree . _focused ( ) ; if ( f && f !== this ) { f . get_container ( ) . removeClass ( "jstree-focused" ) ; } if ( f !== this ) { this . get_container ( ) . addClass ( "jstree-focused" ) ; focused_instance = this . get_index ( ) ; } this . __callback ( ) ; }