refobserver.h

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#ifndef ANATOMIST_REFERENCE_REFOBSERVER_H
#define ANATOMIST_REFERENCE_REFOBSERVER_H

#include <anatomist/observer/Observer.h>


namespace anatomist
{
  class Referential;


  class Referentiable
  {
  public:
    Referentiable( Referential* r );
    virtual ~Referentiable();

    const Referential* referential() const;
    Referential* referential();

  private:
    Referential *_ref;
  };


  class ReferentialObserver: public Observer
  {
  public:
    ReferentialObserver( const Referential* observerRef, Observer* notify );
    virtual ~ReferentialObserver();

    void listenReferentiable( const Referentiable* o );
    void unregisterReferentiable( const Referentiable* o );
    void changeObserverReferential( const Referential* ref );

    virtual void update( const Observable* obs, void* arg );

  private:
    struct Private;
    Private     *d;
  };


  inline const Referential* Referentiable::referential() const
  {
    return _ref;
  }


  inline Referential* Referentiable::referential()
  {
    return _ref;
  }

}

#endif