transfSet.h

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#ifndef ANATOMIST_REFERENCE_TRANSFSET_H
#define ANATOMIST_REFERENCE_TRANSFSET_H


#include <map>
#include <set>
#include <list>


namespace anatomist
{

  class Transformation;
  class Referential;
  class Observer;


  class ATransformSet
  {
  public:
    ATransformSet();
    virtual ~ATransformSet();

    unsigned size() const;
    Transformation* transformation( const Referential* src, 
                                    const Referential* dst );
    const Transformation* transformation( const Referential* src, 
                                          const Referential* dst ) const;
    const std::set<Transformation *> & allTransformations() const;
    void registerTransformation( Transformation* t );
    void unregisterTransformation( Transformation* t );
    std::set<Transformation *> transformationsWith( const Referential* ref ) 
      const;
    void deleteTransformationsWith( const Referential* ref );
    bool hasTransformation( const Transformation* t ) const;
    void registerObserver( const Referential* src, const Referential* dst, 
                           Observer* o );
    void unregisterObserver( const Referential* src, const Referential* dst, 
                             Observer* o );

    static ATransformSet* instance();
    std::set<Referential *> connectedComponent( Referential* r ) const;
    std::list<Transformation *> shortestPath( Referential* src,
                                              Referential *dst ) const;
    void updateTransformation( Transformation *tr );

  private:
    struct Private;

    void completeTransformations( Transformation* t );
    void propagate( Referential* ref, Referential* r2,
                    const std::set<Referential *> & others );
    void deleteGeneratedConnections( Referential* r1, Referential* r2 );
    void updateGeneratedConnections( Transformation *tr );

    Private     *d;
  };

}

#endif