mitkPropertyObserver.h

Go to the documentation of this file.

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

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

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

#ifndef MITK_BASEPROPERTYOBSERVER_H_INCLUDED
#define MITK_BASEPROPERTYOBSERVER_H_INCLUDED

#include "MitkCoreExports.h"
#include "mitkCommon.h"
#include <itkEventObject.h>

namespace mitk
{
  class BaseProperty;

  class MITKCORE_EXPORT PropertyObserver
  {
  public:
    PropertyObserver();
    virtual ~PropertyObserver();

    virtual void PropertyChanged() = 0;
    virtual void PropertyRemoved() = 0;

  protected:
    void BeginModifyProperty();
    void EndModifyProperty();

    unsigned long m_ModifiedTag;
    unsigned long m_DeleteTag;

    bool m_SelfCall;
  };

  class MITKCORE_EXPORT PropertyView : public PropertyObserver
  {
  public:
    PropertyView(const mitk::BaseProperty *);
    virtual ~PropertyView();

    void OnModified(const itk::EventObject &e);
    void OnDelete(const itk::EventObject &e);

  protected:
    const mitk::BaseProperty *m_Property;
  };

  class MITKCORE_EXPORT PropertyEditor : public PropertyObserver
  {
  public:
    PropertyEditor(mitk::BaseProperty *);
    virtual ~PropertyEditor();

    void OnModified(const itk::EventObject &e);
    void OnDelete(const itk::EventObject &e);

  protected:
    mitk::BaseProperty *m_Property;
  };
}

#endif