#include "Fireworks/ParticleFlow/plugins/FWPFCandidateTowerSliceSelector.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidateFwd.h"
#include "DataFormats/ParticleFlowCandidate/interface/PFCandidate.h"

#include "Fireworks/Core/interface/FWModelChangeManager.h"
#include "Fireworks/Core/interface/FWEventItem.h"

FWPFCandidateTowerSliceSelector::FWPFCandidateTowerSliceSelector(TH2F* h, const FWEventItem* i)
    : FWHistSliceSelector(h, i) {}

FWPFCandidateTowerSliceSelector::~FWPFCandidateTowerSliceSelector() {}
void FWPFCandidateTowerSliceSelector::getItemEntryEtaPhi(int itemIdx, float& eta, float& phi) const {
  const reco::PFCandidateCollection* towers = nullptr;
  m_item->get(towers);
  assert(nullptr != towers);
  reco::PFCandidateCollection::const_iterator tower = towers->begin();
  std::advance(tower, itemIdx);

  eta = tower->eta();
  phi = tower->phi();
}