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//
// $Id: EventAction.cc,v 1.7 2009/03/06 18:04:23 maire Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "EventAction.hh"

#include "RunAction.hh"
#include "HistoManager.hh"
#include "EventMessenger.hh"

#include "G4Event.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4VVisManager.hh"

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EventAction::EventAction(RunAction* RA, HistoManager* histo)
:runaction(RA),histoManager(histo),
 drawFlag("none"),printModulo(10000)
{
  eventMessenger = new EventMessenger(this);
}

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EventAction::~EventAction()
{
  delete eventMessenger;
}

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void EventAction::BeginOfEventAction(const G4Event* evt)
{
 G4int evtNb = evt->GetEventID();

 //printing survey
 if (evtNb%printModulo == 0) 
    G4cout << "\n---> Begin of Event: " << evtNb << G4endl;

 // initialisation per event
 EnergyDeposit  = 0.;
 TrakLenCharged = TrakLenNeutral = 0.; 
 nbStepsCharged = nbStepsNeutral = 0;
 TransmitFlag   = ReflectFlag    = 0;    
}

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void EventAction::EndOfEventAction(const G4Event* evt)
{
 runaction->AddEnergy(EnergyDeposit);
 runaction->AddTrakLenCharg(TrakLenCharged);
 runaction->AddTrakLenNeutr(TrakLenNeutral);

 runaction->CountStepsCharg(nbStepsCharged);
 runaction->CountStepsNeutr(nbStepsNeutral);

 runaction->CountTransmit (TransmitFlag);
 runaction->CountReflect  (ReflectFlag);

 histoManager->FillHisto(1,EnergyDeposit);

 if (G4VVisManager::GetConcreteInstance())
  {
   G4TrajectoryContainer* trajectoryContainer = evt->GetTrajectoryContainer();
   G4int n_trajectories = 0;
   if (trajectoryContainer) n_trajectories = trajectoryContainer->entries();  
   for (G4int i=0; i<n_trajectories; i++) 
      { G4Trajectory* trj = (G4Trajectory*)
                                      ((*(evt->GetTrajectoryContainer()))[i]);
        if (drawFlag == "all") trj->DrawTrajectory(1000);
        else if ((drawFlag == "charged")&&(trj->GetCharge() != 0.))
                               trj->DrawTrajectory(1000);
        else if ((drawFlag == "neutral")&&(trj->GetCharge() == 0.))
                               trj->DrawTrajectory(1000);
			        
      }
  }  
}

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