//////////////////////////////////////////////////////////////////////////
//                                                                      //
// ATLFBrowsable                                                          //
//                                                                      //
// helper class to browse generated particles.                          //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include <TBrowser.h>
#include <TMCParticle.h>
#include <TClonesArray.h>
#include "ATLFast.h"
#include "ATLFBrowsable.h"
#include "ATLFBigBang.h"
#include "ATLFMCMaker.h"

ClassImp(ATLFBrowsable)



//_____________________________________________________________________________
 ATLFBrowsable::ATLFBrowsable() 
{

}

//_____________________________________________________________________________
 void ATLFBrowsable::Browse(TBrowser *b)
{

  ATLFMCMaker *mcarlo = gATLFast->MCMaker();
  TClonesArray *particles = mcarlo->Fruits();
  Int_t nparticles = particles->GetEntriesFast();
  TMCParticle *refpart = (TMCParticle*)m_RefObject;
  TMCParticle *part;
  ATLFBrowsable *brow;
  char name[64];
  Int_t iparent;

  for (Int_t i=0;i<nparticles;i++) {
     part = (TMCParticle*)particles->UncheckedAt(i);
     iparent = part->GetParent();
     if (!iparent) continue;
     if (particles->UncheckedAt(iparent-1) != refpart) continue;
     brow = m_BigBang->GetBrowsable(i);
     sprintf(name,"%s_%d",part->GetName(),i);
     brow->SetName(name);
     brow->SetRefObject(part);
     b->Add(brow,name);
  }
}