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

  Program:   Visualization Toolkit
  Module:    vtkHierarchicalGraphView.h

-------------------------------------------------------------------------
  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.
-------------------------------------------------------------------------

  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 vtkHierarchicalGraphView_h
#define vtkHierarchicalGraphView_h

#include "vtkViewsInfovisModule.h" // For export macro
#include "vtkGraphLayoutView.h"

class vtkRenderedHierarchyRepresentation;

class VTKVIEWSINFOVIS_EXPORT vtkHierarchicalGraphView : public vtkGraphLayoutView
{
public:
  static vtkHierarchicalGraphView *New();
  vtkTypeMacro(vtkHierarchicalGraphView, vtkGraphLayoutView);
  void PrintSelf(ostream& os, vtkIndent indent);


  vtkDataRepresentation* SetHierarchyFromInputConnection(vtkAlgorithmOutput* conn);
  vtkDataRepresentation* SetHierarchyFromInput(vtkDataObject* input);
  vtkDataRepresentation* SetGraphFromInputConnection(vtkAlgorithmOutput* conn);
  vtkDataRepresentation* SetGraphFromInput(vtkDataObject* input);


  virtual void SetGraphEdgeLabelArrayName(const char* name);
  virtual const char* GetGraphEdgeLabelArrayName();


  virtual void SetGraphEdgeLabelVisibility(bool vis);
  virtual bool GetGraphEdgeLabelVisibility();
  vtkBooleanMacro(GraphEdgeLabelVisibility, bool);


  virtual void SetGraphEdgeColorArrayName(const char* name);
  virtual const char* GetGraphEdgeColorArrayName();

  virtual void SetGraphEdgeColorToSplineFraction();


  virtual void SetColorGraphEdgesByArray(bool vis);
  virtual bool GetColorGraphEdgesByArray();
  vtkBooleanMacro(ColorGraphEdgesByArray, bool);


  virtual void SetBundlingStrength(double strength);
  virtual double GetBundlingStrength();


  virtual void SetGraphVisibility(bool b);
  virtual bool GetGraphVisibility();
  vtkBooleanMacro(GraphVisibility, bool);


  virtual void SetGraphEdgeLabelFontSize(const int size);
  virtual int GetGraphEdgeLabelFontSize();

protected:
  vtkHierarchicalGraphView();
  ~vtkHierarchicalGraphView();


  virtual vtkDataRepresentation* CreateDefaultRepresentation(vtkAlgorithmOutput* conn);
  virtual vtkRenderedGraphRepresentation* GetGraphRepresentation();
  virtual vtkRenderedHierarchyRepresentation* GetHierarchyRepresentation();

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

#endif