vtkUndoSet.h

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// SPDX-FileCopyrightText: Copyright (c) Kitware Inc.
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkUndoSet_h
#define vtkUndoSet_h

#include "vtkObject.h"
#include "vtkPVVTKExtensionsCoreModule.h" // needed for export macro

class vtkCollection;
class vtkPVXMLElement;
class vtkUndoElement;

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

  virtual int Undo();

  virtual int Redo();

  int AddElement(vtkUndoElement* elem);

  void RemoveElement(int index);

  vtkUndoElement* GetElement(int index);

  void RemoveAllElements();

  int GetNumberOfElements();

protected:
  vtkUndoSet();
  ~vtkUndoSet() override;

  vtkCollection* Collection;
  vtkCollection* TmpWorkingCollection;

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

#endif