vtkTreeIterator.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkTreeIterator.h,v $
 
  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.
 
=========================================================================*/
 
#ifndef vtkTreeIterator_h
#define vtkTreeIterator_h
 
#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkObject.h"
 
class vtkTree;
 
class VTKCOMMONDATAMODEL_EXPORT vtkTreeIterator : public vtkObject
{
public:
  vtkTypeMacro(vtkTreeIterator, vtkObject);
  virtual void PrintSelf(ostream& os, vtkIndent indent);
 
 
  void SetTree(vtkTree* graph);
  vtkGetMacro(Tree, vtkTree*);
 
 
  void SetStartVertex(vtkIdType vertex);
  vtkGetMacro(StartVertex, vtkIdType);
 
  vtkIdType Next();
 
  bool HasNext();
 
  void Restart();
 
protected:
  vtkTreeIterator();
  ~vtkTreeIterator();
 
  virtual void Initialize() = 0;
  virtual vtkIdType NextInternal() = 0;
 
  vtkTree* Tree;
  vtkIdType StartVertex;
  vtkIdType NextId;
 
private:
  vtkTreeIterator(const vtkTreeIterator &);  // Not implemented.
  void operator=(const vtkTreeIterator &);        // Not implemented.
};
 
#endif