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

  Program:   Visualization Toolkit
  Module:    vtkAnnotationLayers.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 vtkAnnotationLayers_h
#define vtkAnnotationLayers_h

#include "vtkCommonDataModelModule.h" // For export macro
#include "vtkDataObject.h"

class vtkAnnotation;
class vtkSelection;

class VTKCOMMONDATAMODEL_EXPORT vtkAnnotationLayers : public vtkDataObject
{
public:
  vtkTypeMacro(vtkAnnotationLayers, vtkDataObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  static vtkAnnotationLayers* New();


  virtual void SetCurrentAnnotation(vtkAnnotation* ann);
  vtkGetObjectMacro(CurrentAnnotation, vtkAnnotation);


  virtual void SetCurrentSelection(vtkSelection* sel);
  virtual vtkSelection* GetCurrentSelection();

  unsigned int GetNumberOfAnnotations();

  vtkAnnotation* GetAnnotation(unsigned int idx);

  void AddAnnotation(vtkAnnotation* ann);

  void RemoveAnnotation(vtkAnnotation* ann);

  virtual void Initialize();

  virtual void ShallowCopy(vtkDataObject* other);

  virtual void DeepCopy(vtkDataObject* other);


  static vtkAnnotationLayers* GetData(vtkInformation* info);
  static vtkAnnotationLayers* GetData(vtkInformationVector* v, int i=0);

  virtual unsigned long GetMTime();

//BTX
protected:
  vtkAnnotationLayers();
  ~vtkAnnotationLayers();

  class Internals;
  Internals* Implementation;
  vtkAnnotation* CurrentAnnotation;

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

#endif