objectVisibilityManager.h

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/******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

#pragma once

#include <vrfGuiCore/vrfGuiCore.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvCore/DtStateView.h>
#include <vrvCore/DtEntityState.h>
#include <vrvUtil/DtSignalConnectionManager.h>
#include <vrfGuiCore/vrfExtendedElementAttributes.h>
#include <vrvUtil/signalslib.h>
#include <boost/unordered_map.hpp>

namespace makVrv
{
   class DtDe;
}

namespace makVrf
{
   class DtVrfSelectionFilter;

   class DT_DLL_VRFGUICORE DtObjectVisibilityManager : public makVrv::DtVirtualBaseClass
   {
   public:
      DtObjectVisibilityManager(makVrv::DtDe&);

      virtual ~DtObjectVisibilityManager();

      static DtObjectVisibilityManager& instance(makVrv::DtDe& de);

      static void registerInstance(makVrv::DtDe&, DtObjectVisibilityManager*);

      virtual void show(makVrv::DtUniqueID, int context);
      virtual void hide(makVrv::DtUniqueID, int context);

      virtual void elementAttributeChangeRequested( 
         makVrv::DtUniqueID id, makVrv::DtUniqueID parentId, DtBoost::shared_ptr<const makVrv::DtElementAttribute> atr );

      virtual bool isVisible(makVrv::DtUniqueID, int hasFlag = -1) const;

      virtual bool onlyFlagHiding(makVrv::DtUniqueID, int flag) const;

      virtual DtVrfSelectionFilter* insertFilterAtBeginning(const DtVrfSelectionFilter&);
      virtual DtVrfSelectionFilter* addFilter(const DtVrfSelectionFilter&);

      virtual bool removeFilter(const DtVrfSelectionFilter& filter);

      virtual void moveFilterToEnd(DtVrfSelectionFilter*);

      virtual void setObjectVisibleByFilters(const makVrv::DtStateView<makVrv::DtVrlinkSimulatedBaseState>* s);

      boost::signals2::signal<void (makVrv::DtUniqueID, bool, int)> signal_objectVisibilityChanged;

   protected:
      virtual void initialize();

      virtual void slot_onStateViewAdded(const makVrv::DtStateView<makVrv::DtVrlinkSimulatedBaseState>* s);
      virtual void slot_onObjectUpdated(makVrv::DtStateView<makVrv::DtVrlinkSimulatedBaseState>* s);

   protected:
      typedef boost::unordered_map<makVrv::DtUniqueID, std::set<int> > VisibilityStatus;
      VisibilityStatus myVisibilityStatus;

      makVrv::DtDe& myDe;
      makVrv::DtSignalConnectionManager myConnectionManager;

      std::vector<DtVrfSelectionFilter*> myVisibilityFilters;
   };
}