AliMpMotifPositionPadIterator.cxx

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 * Author: The ALICE Off-line Project.                                    *
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 * appear in the supporting documentation. The authors make no claims     *
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// $Id$
// $MpId: AliMpMotifPositionPadIterator.cxx,v 1.6 2006/05/24 13:58:41 ivana Exp $
// Category: motif

//-----------------------------------------------------------------------------
// Class AliMpMotifPositionPadIterator
// -----------------------------------
// Class, which defines an iterator over the pads of a given motif type
// Included in AliRoot: 2003/05/02
// Authors: David Guez, Ivana Hrivnacova; IPN Orsay
//-----------------------------------------------------------------------------

#include "AliMpMotifPositionPadIterator.h"
#include "AliMpMotifPosition.h"
#include "AliMpMotifType.h"
#include "AliMpConnection.h"
#include "AliMpEncodePair.h"

ClassImp(AliMpMotifPositionPadIterator)

//______________________________________________________________________________
AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator():
    AliMpVPadIterator(),
    fkMotifPos(0),
    fIterator()
{
}

//______________________________________________________________________________

AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator(
                                    const AliMpMotifPosition* motifPos)
  : AliMpVPadIterator(),
    fkMotifPos(motifPos),
    fIterator(motifPos->GetMotif()->GetMotifType())
{
}

//______________________________________________________________________________
AliMpMotifPositionPadIterator::AliMpMotifPositionPadIterator(
                                    const AliMpMotifPositionPadIterator& right)
  : AliMpVPadIterator(right),
    fkMotifPos(right.fkMotifPos),
    fIterator(right.fIterator)
    
{
}

//______________________________________________________________________________
AliMpMotifPositionPadIterator::~AliMpMotifPositionPadIterator()
{
}

// operators

//______________________________________________________________________________
AliMpMotifPositionPadIterator& 
AliMpMotifPositionPadIterator::operator = (const AliMpMotifPositionPadIterator& right)
{

// if the right hand iterator isn't of good type
// the current operator is invalidated

  // check assignment to self
  if (this == &right) return *this;

  // base class assignment
  AliMpVPadIterator::operator=(right);

  fkMotifPos = right.fkMotifPos;
  fIterator = right.fIterator;

  return *this;
}  

//private methods


//______________________________________________________________________________
Bool_t AliMpMotifPositionPadIterator::IsValid() const
{

    return (fkMotifPos!=0) && (!fIterator.IsDone());
} 

//
// public methods
//

//______________________________________________________________________________
void AliMpMotifPositionPadIterator::First()
{

    if (!fkMotifPos) {
        Invalidate();
        return ;
    }

    fIterator.First();
    return;
}

//______________________________________________________________________________
void AliMpMotifPositionPadIterator::Next()
{

  fIterator.Next();
}

//______________________________________________________________________________
Bool_t AliMpMotifPositionPadIterator::IsDone() const
{

  return !IsValid();
}

//______________________________________________________________________________
AliMpPad AliMpMotifPositionPadIterator::CurrentItem() const 
{

    if (!fkMotifPos)
        return AliMpPad::Invalid();
    else {
      MpPair_t ind = fIterator.CurrentItem().GetIndices();
      AliMpMotifType* mt = fkMotifPos->GetMotif()->GetMotifType();
      AliMpConnection* connect = 
        mt->FindConnectionByLocalIndices(ind);

      Double_t posx, posy;
      fkMotifPos->GetMotif()->PadPositionLocal(ind, posx, posy);
      posx += fkMotifPos->GetPositionX();
      posy += fkMotifPos->GetPositionY();
        
      Double_t dx, dy;
      fkMotifPos->GetMotif()->GetPadDimensionsByIndices(ind, dx, dy);           

      return AliMpPad(
                  fkMotifPos->GetID(),connect->GetManuChannel(), 
                  fkMotifPos->GlobalIndices(ind),
                  posx, posy, dx, dy);
    }
}

//______________________________________________________________________________
void AliMpMotifPositionPadIterator::Invalidate()
{

  fIterator.Invalidate();
}