DtElementChanges.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtUniqueID.h>

#include <vector>
#include <map>
namespace makVrv
{
   class DtElementEntry;
   class DtElementAttribute;   

   class DT_DLL_VRVCORE DtElementChanges
   {
   public:
      DtElementChanges();
      DtElementChanges(const DtElementChanges& orig);
      DtElementChanges& operator=(const DtElementChanges& orig);
      ~DtElementChanges();

      typedef std::vector<DtElementEntry*> ElementPointerList;
      typedef std::vector<DtUniqueID> UniqueIdList;
      typedef std::vector<DtElementAttribute*> AttributeList;
      typedef std::map<DtUniqueID, AttributeList > ElementAttributeMap;

      inline void clear()
      {
         myElementsAdded.clear();
         myElementsDeleted.clear();
         myAttributesChanged.clear();
      }

      inline bool hasChanges() const
      {
         return !myElementsAdded.empty() ||
                !myElementsDeleted.empty() ||
                !myAttributesChanged.empty();
      }

      ElementPointerList myElementsAdded;
      UniqueIdList myElementsDeleted;
      ElementAttributeMap myAttributesChanged;
   };
}