myChain.h

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// Authors: M.Duranti - INFN di Perugia
#ifndef myChain_h
#define myChain_h

#include "TChain.h"
#include "myEvent.h"

class myEvent;

class myChain: public TChain {  
 private:
  class  Section{
  public:
    std::string name; 
    std::string bname;
    std::string dirname;
    Int_t ntrees;      
    bool Active;
    TChain* t3friend;
    TChain* t3output;
    Section();
    ~Section();
    bool defdir();
  };
  
  std::vector<Section*> sections;

  std::vector<TFile*> filesoutput;

  static myChain* ptr;
  myEvent* me;
 
  myChain(const char* name="AMSRootNtuplized", const char* title = "");
  void init();
  void AddActiveFriends();
 public:
  static myChain* gethead();

  ~myChain();

  virtual Int_t Add(const char* name, Long64_t nentries = kBigNumber);

  Int_t AddFromFile(const char* name);

  myEvent* GetEvent(Long64_t entry = 0, Int_t getall = 0);

  myEvent* GetEventPointer(){return me;}


  Int_t GetThisEntry(Int_t getall = 0) { return GetEntry(fReadEntry, getall); };


  Int_t GetNextEntry(Int_t getall = 0) { return GetEntry(fReadEntry+1, getall); };

  virtual Long64_t LoadTree(Long64_t entry);
  
  virtual Long64_t  Draw(const char* varexp, const TCut& selection, Option_t* option = "", Long64_t nentries = kBigNumber, Long64_t firstentry = 0);
  virtual Long64_t  Draw(const char* varexp, const char* selection, Option_t* option = "", Long64_t nentries = kBigNumber, Long64_t firstentry = 0); // *MENU*
  virtual void      Draw(Option_t* opt) { Draw(opt, "", "", 1000000000, 0); }

  void CloneTrees(const char * outpath="./",int single=0);

  void FillOutput();
  void CloseOutput();

  void PrintEverything();
  void PrintEntries();
  void PrintMyInfo();

  void AddSection(const char * Name, const char* DirName=0, bool enable=true);
  void ListSections();
  myChain::Section * GetSection(const char * Name);
  bool HasSection(const char *Name);
  bool HasSectionActivated(const char *Name);
  void EnableSection(const char *Name);
  void DisableSection(const char *Name);
  void SectionSetDirName(const char *SectionName, const char* DirName);
  virtual void Clear(Option_t* option = "");
    
  static char* ExtractFileNameWithoutExtension(TTree* _InputTree);
  static void CloneSingleTree( TChain* _InputTree,  TFile* ff, TChain*& _OutputTree);
  static void CloneSingleTree( TTree* _InputTree,  TFile* ff, TTree*& _OutputTree);
  
  static bool checkCastorFile(TString fn);

  static int checkWildcardList(TString fn, std::vector<TString>& list, TString treeName="AMSRootNtuplized");

 private:
  bool kIndexValid;
  bool kInitializationDone;

  bool kGetAll;

  ClassDef(myChain,0);//should be not written on disk!
};

#endif