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

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) override;

  void AddLinkVertex(const char* column, const char* domain = nullptr, 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 = nullptr, vtkBitArray* hidden = nullptr);


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

  vtkMTimeType GetMTime() override;

  void SetVertexTableConnection(vtkAlgorithmOutput* in);

protected:
  vtkTableToGraph();
  ~vtkTableToGraph() override;

  int ValidateLinkGraph();

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

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

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

  bool Directed;
  vtkMutableDirectedGraph* LinkGraph;
  vtkStringArray* VertexTableDomains;

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

#endif