controlmanager.h

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/* This software and supporting documentation are distributed by
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 * This software is governed by the CeCILL-B license under
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 * You can  use, modify and/or redistribute the software under the
 * terms of the CeCILL-B license as circulated by CEA, CNRS
 * and INRIA at the following URL "http://www.cecill.info".
 *
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 */


#ifndef CONTROL_MANAGER_H
#define CONTROL_MANAGER_H



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

namespace anatomist
{

  struct ControlMapEntry
  {
    ControlMapEntry(std::string v, std::string o) : view(v), object(o) {}
    std::string view;
    std::string object;
  };

  struct LessControlMap
  {
    bool operator()( ControlMapEntry entry1, ControlMapEntry entry2 ) const
    {
      if ( entry1.view == entry2.view )
        return entry1.object < entry2.object;
      return entry1.view < entry2.view;
    }
  };

  typedef std::map< std::string, std::set< std::string > > ViewControls;
  typedef std::map< std::string, std::set< std::string > > ObjectControls;

  class ControlManager
  {
  public:
    ~ControlManager();

    static ControlManager* instance();

    typedef std::map< ControlMapEntry, std::set<std::string>,
                      LessControlMap >::iterator iterator;
    typedef std::map< ControlMapEntry, std::set<std::string>,
                      LessControlMap >::const_iterator const_iterator;

    std::set< std::string >
    availableControlList( const std::string& view,
                          const std::list<std::string>& objects ) const;
    std::set< std::string >
    availableControlList( const std::string& view,
                          const std::string& object ) const;
    std::set< std::string >
    activableControlList( const std::string& view,
                          const std::list<std::string>& selectedObjects )
      const;

    bool insertView( const std::string& view,
                     const ViewControls& viewControls );
    bool removeView( const std::string& view );

    bool insertObject( const std::string& object,
                       const ObjectControls& objectControls );
    bool removeObject( const std::string& object );

    void addControl( const std::string& view, const std::string& object,
                     const std::set< std::string > & controls );
    void addControl( const std::string& view, const std::string& object,
                     const std::string& control );

    bool removeControl( const std::string& view, const std::string& object,
                        const std::string& control );

    bool removeControlList( const std::string& view,
                            const std::string& object );
    void print() const ;
  private:
    static ControlManager* _instance;
    std::map< ControlMapEntry, std::set<std::string>,
              LessControlMap > myControlTable;
  };
}

#endif