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

  Program:   Visualization Toolkit
  Module:    vtkBoostBreadthFirstSearch.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.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef vtkBoostBreadthFirstSearch_h
#define vtkBoostBreadthFirstSearch_h

#include "vtkInfovisBoostGraphAlgorithmsModule.h" // For export macro
#include "vtkStdString.h" // For string type
#include "vtkVariant.h" // For variant type

#include "vtkGraphAlgorithm.h"

class vtkSelection;

class VTKINFOVISBOOSTGRAPHALGORITHMS_EXPORT vtkBoostBreadthFirstSearch : public vtkGraphAlgorithm
{
public:
  static vtkBoostBreadthFirstSearch *New();
  vtkTypeMacro(vtkBoostBreadthFirstSearch, vtkGraphAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetOriginSelection(vtkSelection *s);
  void SetOriginSelectionConnection(vtkAlgorithmOutput* algOutput)
  {
    this->SetInputConnection(1, algOutput);
  }

  void SetOriginVertex(vtkIdType index);

  void SetOriginVertex(vtkStdString arrayName, vtkVariant value);

  void SetOriginVertexString(char* arrayName, char* value);


  vtkSetStringMacro(OutputArrayName);


  vtkSetMacro(OriginFromSelection, bool);
  vtkGetMacro(OriginFromSelection, bool);
  vtkBooleanMacro(OriginFromSelection, bool);


  vtkGetMacro(OutputSelection, bool);
  vtkSetMacro(OutputSelection, bool);
  vtkBooleanMacro(OutputSelection, bool);


  vtkSetStringMacro(OutputSelectionType);

protected:
  vtkBoostBreadthFirstSearch();
  ~vtkBoostBreadthFirstSearch();

  virtual int RequestData(
    vtkInformation *,
    vtkInformationVector **,
    vtkInformationVector *);

  virtual int FillInputPortInformation(
    int port, vtkInformation* info);

  virtual int FillOutputPortInformation(
    int port, vtkInformation* info);

private:

  vtkIdType OriginVertexIndex;
  char* InputArrayName;
  char* OutputArrayName;
  vtkVariant OriginValue;
  bool OutputSelection;
  bool OriginFromSelection;
  char* OutputSelectionType;


  vtkSetStringMacro(InputArrayName);


  vtkIdType GetVertexIndex(
    vtkAbstractArray *abstract,vtkVariant value);

  vtkBoostBreadthFirstSearch(const vtkBoostBreadthFirstSearch&);  // Not implemented.
  void operator=(const vtkBoostBreadthFirstSearch&);  // Not implemented.
};

#endif