vtkTableToGraph.h

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

  Program:   Visualization Toolkit
  Module:    vtkTableToGraph.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 vtkTableToGraph_h
#define vtkTableToGraph_h

#include "vtkInfovisCoreModule.h" // For export macro
#include "vtkGraphAlgorithm.h"

class vtkBitArray;
class vtkMutableDirectedGraph;
class vtkStringArray;
class vtkTable;

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

  void AddLinkVertex(const char* column, const char* domain = 0, int hidden = 0);

  void ClearLinkVertices();

  void AddLinkEdge(const char* column1, const char* column2);

  void ClearLinkEdges();


  vtkGetObjectMacro(LinkGraph, vtkMutableDirectedGraph);
  void SetLinkGraph(vtkMutableDirectedGraph* g);

  void LinkColumnPath(vtkStringArray* column, vtkStringArray* domain = 0, vtkBitArray* hidden = 0);


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

  virtual vtkMTimeType GetMTime();

  void SetVertexTableConnection(vtkAlgorithmOutput* in);

protected:
  vtkTableToGraph();
  ~vtkTableToGraph();

  int ValidateLinkGraph();

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

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

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

  bool Directed;
  vtkMutableDirectedGraph* LinkGraph;
  vtkStringArray* VertexTableDomains;

private:
  vtkTableToGraph(const vtkTableToGraph&) VTK_DELETE_FUNCTION;
  void operator=(const vtkTableToGraph&) VTK_DELETE_FUNCTION;
};

#endif