store subgroup pointer

src/grouping/ptm/ptmisland.cpp

@@ -29,6 +29,7 @@
 
 #include "ptmisland.h"
 #include <pappsomspp/pappsoexception.h>
+#include "ptmislandsubgroup.h"
 
 PtmIsland::PtmIsland(const ProteinMatch* p_protein_match, unsigned int position):_protein_match_p(p_protein_match)
 {

src/grouping/ptm/ptmisland.h

@@ -34,6 +34,7 @@
 #include "../../core/peptidematch.h"
 #include <memory>
 
+class PtmIslandSubgroup;
 
 class PtmIsland;
 
@@ -62,11 +63,10 @@ private:
     const ProteinMatch * _protein_match_p;
     std::vector<const PeptideMatch *> _peptide_match_list;
     //std::vector<std::size_t> _sample_scan_set;
-    unsigned int _group_number; //group together different ptmislands linked by a common protein
-    unsigned int _subgroup_number; //group together proteins that share the same ptmisland
     std::vector<unsigned int> _position_list;
     unsigned int _protein_stop=0;
     unsigned int _protein_start=0;
+    PtmIslandSubgroup * _ptm_island_subgroup_p = nullptr;
 };
 
 #endif // PTMISLAND_H