/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkMapperCollection.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
// .NAME vtkMapperCollection - a list of mappers
// .SECTION Description
// vtkMapperCollection represents and provides methods to manipulate a list of
// mappers (i.e., vtkMapper and subclasses). The list is unsorted and duplicate
// entries are not prevented.

// .SECTION see also
// vtkMapper vtkCollection

#ifndef vtkMapperCollection_h
#define vtkMapperCollection_h

#include "vtkRenderingCoreModule.h" // For export macro
#include "vtkCollection.h"
#include "vtkMapper.h" // Needed for direct access to mapper methods in
                       // inline functions

class VTKRENDERINGCORE_EXPORT vtkMapperCollection : public vtkCollection
{
 public:
  static vtkMapperCollection *New();
  vtkTypeMacro(vtkMapperCollection, vtkCollection);
  virtual void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Add an mapper to the list.
  void AddItem(vtkMapper *a)
    { this->vtkCollection::AddItem(static_cast<vtkObject *>(a)); }

  // Description:
  // Get the next mapper in the list.
  vtkMapper *GetNextItem()
    { return static_cast<vtkMapper *>(this->GetNextItemAsObject()); }

  // Description:
  // Get the last mapper in the list.
  vtkMapper *GetLastItem()
    { return this->Bottom ? static_cast<vtkMapper*>(this->Bottom->Item) : 0; }

  //BTX
  // Description:
  // Reentrant safe way to get an object in a collection. Just pass the
  // same cookie back and forth.
  vtkMapper *GetNextMapper(vtkCollectionSimpleIterator &cookie)
    { return static_cast<vtkMapper *>(this->GetNextItemAsObject(cookie)); }
  //ETX

protected:
  vtkMapperCollection() {}
  ~vtkMapperCollection() {}

private:
  // hide the standard AddItem from the user and the compiler.
  void AddItem(vtkObject *o)
    { this->vtkCollection::AddItem(o); }

private:
  vtkMapperCollection(const vtkMapperCollection&);  // Not implemented.
  void operator=(const vtkMapperCollection&);  // Not implemented.
};

#endif
