//
// C++ Interface: PndMvdMCEventAna
//
// Description: 
//
//
// Author: t.stockmanns <stockman@ikp455>, (C) 2007
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef PNDMVDEVENTANA_H
#define PNDMVDEVENTANA_H

#include "PndMvdMCPoint.h"
#include "PndMvdGeoHandling.h"
#include "TTree.h"
#include "TCanvas.h"
#include "TH1.h"
#include "TH2.h"
#include "TFile.h"
#include "TClonesArray.h"
#include "TString.h"

#include <map>
#include <vector>
/**PndMvdEventAna.h
@author t.stockmanns
Abstract base clas for data analysis


*/
class PndMvdEventAna{
public:
  PndMvdEventAna(){};
	PndMvdEventAna(TString fileName);
  virtual ~PndMvdEventAna(){};
	
	virtual void Init(TString fileName);
	void InitCanvas();
	
	void AnaEvents(Int_t count);
	void AnaEventNr(Int_t Nr);
	void NextEvent();
	void DrawHistos();
	void DrawHisto(TString path, TString opt = "");
	void SetCanvasColumns(Int_t col){fCancol = col;};
	void SetDrawOption(TString histoName, TString option);
	void SetSelection(TString sel){fSelection = sel;};
	void FillVector();
	void DrawVector(Int_t index, TString opt);
	Int_t GetEventNr() const {return fActiveEvent;};
	TString GetSelection() const {return fSelection;};
	TH1* GetHisto(TString histoName){return fHistos[histoName];};
	TH1* GetHisto(Int_t i){return fHistoVector[i];};
	virtual void InitBranch() = 0;			//set fClassName and fBranchName here
	virtual void InitHistos() = 0;
	virtual void AnaHits();
	virtual void AnaHitNr(Int_t i){};
	virtual void BeginOfEventAction(){};
	virtual void EndOfEventAction(){};
	virtual void ClearHistos(){};

protected:
	Int_t fActiveEvent;
	Int_t fAnaEvents;
	TFile* fFile;
	TTree* fTree;
	TClonesArray* fHitArray;
	TString fClassName;			//has to be set in constructor of derived class
	TString fBranchName;			//has to be set in constructor of derived class
	TString fSelection;			//will be passed to derived classes to do a event selection
	TCanvas* fCan;
	std::map<TString, TH1*> fHistos;
	std::map<TString, TString> fDrawOption;		//stores the drawOption for the Draw command
	std::vector<TH1*> fHistoVector;
	Int_t fCancol;
	PndMvdGeoHandling* geoH;

   ClassDef(PndMvdEventAna,1);

};

#endif