#include <iostream>
#include <iomanip>

#include <Stntuple/obj/TStnTrackBlock.hh>

ClassImp(TStnTrackBlock)

//______________________________________________________________________________
void TStnTrackBlock::Streamer(TBuffer &R__b)
{
   // Stream an object of class TStnTrackBlock.

  if (R__b.IsReading()) {
    Version_t R__v = R__b.ReadVersion(); if (R__v) { }
    R__b >> fNTracks;
    fTrackList->Streamer(R__b);
    for (int i=0; i<fNTracks; i++) {
      Track(i)->SetNumber(i);
    }
  } 
  else {
    R__b.WriteVersion(TStnTrackBlock::IsA());
    R__b << fNTracks;
    fTrackList->Streamer(R__b);
  }
}

//_____________________________________________________________________________
TStnTrackBlock::TStnTrackBlock() {
  fNTracks   = 0;
  fTrackList = new TClonesArray("TStnTrack",100);
  fTrackList->BypassStreamer(kFALSE);
  fCollName  = "default";
}


//_____________________________________________________________________________
TStnTrackBlock::~TStnTrackBlock() {
  fTrackList->Delete();
  delete fTrackList;
}


//_____________________________________________________________________________
Int_t TStnTrackBlock::TrackNumber(const CdfTrack* aTrack) 
{
  // for given CdfTrack return its number in *this, which is supposed
  // to be initialized for a given event

  Int_t it = -1;
  TStnTrack* t;

  for (int i=0; i<fNTracks; i++) {
    t = Track(i);
    if (t->GetCdfTrack() == aTrack) {
      it = i;
      break;
    }
  }
  return it;
}

//_____________________________________________________________________________
void TStnTrackBlock::Clear(Option_t* opt) {
  fNTracks = 0;
  fTrackList->Clear(opt);
}

//------------------------------------------------------------------------------
void TStnTrackBlock::Print(Option_t* opt) const {

  int banner_printed = 0;
  for (int i=0; i<fNTracks; i++) {
    TStnTrack* t = ((TStnTrackBlock*) this)->Track(i);
    if (! banner_printed) {
      t->Print("banner");
      banner_printed = 1;
    }
    t->Print("data");
  }
}