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//
// $Id: EventAction.cc,v 1.7 2006/06/29 16:53:57 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-patch-01 $
//
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#include "EventAction.hh"

#include "RunAction.hh"
#include "EventActionMessenger.hh"

#include "G4Event.hh"
#include "G4TrajectoryContainer.hh"
#include "G4Trajectory.hh"
#include "G4VVisManager.hh"
#include "G4UnitsTable.hh"

#ifdef G4ANALYSIS_USE
  #include "AIDA/IHistogram1D.h"
#endif

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EventAction::EventAction(RunAction* run)
:Run(run),drawFlag("none"),printModulo(10000),eventMessenger(NULL)
{
  eventMessenger = new EventActionMessenger(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;  
 
 //additional initializations   
 TotalEnergyDeposit = 0.;
}

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void EventAction::EndOfEventAction( const G4Event* evt)
{	 		 
  if (drawFlag != "none") 
    G4cout << " Energy deposit: " 
           << G4BestUnit(TotalEnergyDeposit,"Energy") << G4endl;
	   
#ifdef G4ANALYSIS_USE
  Run->GetHisto(0)->fill(TotalEnergyDeposit/MeV);
#endif

  // draw trajectories
  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); 
      }
  }
}

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