ObservableProperty.h

/*
 *
 * This file is part of Tulip (www.tulip-software.org)
 *
 * Authors: David Auber and the Tulip development Team
 * from LaBRI, University of Bordeaux 1 and Inria Bordeaux - Sud Ouest
 *
 * Tulip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * Tulip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 */
///@cond DOXYGEN_HIDDEN

#ifndef PROPERTYOBSERVABLE_H
#define PROPERTYOBSERVABLE_H

#include <tulip/tulipconf.h>
#include <tulip/Node.h>
#include <tulip/Edge.h>
#include <tulip/Observable.h>

namespace tlp {

class PropertyInterface;
//=========================================================

/**
 * @ingroup Observation
 * The Observer pattern is described in the lecture notes and pp293-304
 * of Design Patterns by Gamma, Helm, Johnson, and Vlissides. It is a
 * framework for handling state dependency between observer and observed
 * object.
 */
class _DEPRECATED TLP_SCOPE PropertyObserver {

public:
  virtual ~PropertyObserver() {}
  virtual void beforeSetNodeValue(PropertyInterface*, const node) {}
  virtual void afterSetNodeValue(PropertyInterface*, const node) {}
  virtual void beforeSetEdgeValue(PropertyInterface*, const edge) {}
  virtual void afterSetEdgeValue(PropertyInterface*, const edge) {}
  virtual void beforeSetAllNodeValue(PropertyInterface*) {}
  virtual void afterSetAllNodeValue(PropertyInterface*) {}
  virtual void beforeSetAllEdgeValue(PropertyInterface*) {}
  virtual void afterSetAllEdgeValue(PropertyInterface*) {}
  virtual void destroy(PropertyInterface*) {}
protected:
  void treatEvent(const Event& ev);
};

}

#endif

///@endcond