//=========================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt 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.
//=========================================================================
// .NAME vtkCMBArcUpdateOperator - Update an Arc with the new polydata info
// .SECTION Description
// Operator to update an arcs shape after editing

#ifndef __vtkCMBArcUpdateOperator_h
#define __vtkCMBArcUpdateOperator_h

#include "vtkCMBFilteringModule.h" // For export macro
#include "vtkObject.h"
#include "vtkABI.h"
#include "cmbSystemConfig.h"

class vtkCMBArc;
class vtkPolyData;

class VTKCMBFILTERING_EXPORT vtkCMBArcUpdateOperator : public vtkObject
{
public:
  static vtkCMBArcUpdateOperator * New();
  vtkTypeMacro(vtkCMBArcUpdateOperator,vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);

  //BTX
  enum EndNodeStatus
    {
    EndNodeDefault = -1,
    EndNodeMoved = 0,
    EndNodeRecreated = 1
    };
  //ETX

  //Description:
  //the arc to update with the polydata
  void SetArcId(vtkIdType arcId);
  vtkGetMacro(ArcId,vtkIdType);

  //Description:
  //Sets the end nodes flag to be moved
  //This means the end node itself will be moved and all other arcs that it connects too will be moved
  bool SetEndNodeToMove(int endNode);

  //Description:
  //Sets the end nodes flag to be recreated
  //This means the end node itself will be removed, and recreated at the new position
  //Any other arcs connected to this arc will not be connected after this happens
  bool SetEndNodeToRecreate(int endNode);

  //Description:
  //Change the default behavior of the operator for an end node
  //This is used when somebody hasn't called SetEndNodeToMove or SetEndNodeToRecreate
  //on an end node.
  //Note: Default behavior is move.
  vtkSetMacro(RecreateArcBehavior,int);

  //Description:
  // Sets/Gets the range with Start/End point Ids that the input
  // polydata will update.
  // Default values are -1, and whole arc will be updated.
  vtkSetMacro(StartPointId, vtkIdType);
  vtkGetMacro(StartPointId,vtkIdType);
  vtkSetMacro(EndPointId, vtkIdType);
  vtkGetMacro(EndPointId,vtkIdType);

  //Description:
  //Convert the passed in the polydata into an arc
  bool Operate(vtkPolyData *source);

protected:
  vtkCMBArcUpdateOperator();
  virtual ~vtkCMBArcUpdateOperator();

  // clears the operator back to default values
  void Reset();
  // Update the specified sub-arc with source polydata.
  virtual bool UpdateSubArc(vtkPolyData *source, vtkCMBArc* updatedArc);

  void UpdateEndNode(vtkCMBArc *arc, const int &endNodePos, double pos[3]);
  vtkIdType ArcId;
  int RecreateArcBehavior;
  int EndNodeFlags[2];
  vtkIdType StartPointId;
  vtkIdType EndPointId;

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

#endif
