//----------------------------------------------------------------------------
//  EgalTech 2013-2013
//----------------------------------------------------------------------------
// File : EGkGdbIterator.h        Data : 04.12.13          Versione : 1.4a3
// Contenuto : Dichiarazione della interfaccia IGdbIterator.
//
//
//
// Modifiche : 04.12.13 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkGeomDB.h"

//----------------------- Macro per import/export ----------------------------
#undef EGK_EXPORT
#if defined( I_AM_EGK)            // da definirsi solo nella DLL
   #define EGK_EXPORT __declspec( dllexport)
#else
   #define EGK_EXPORT __declspec( dllimport)
#endif

//-----------------------------------------------------------------------------
class __declspec( novtable) IGdbIterator
{
   public :
      virtual ~IGdbIterator( void) {} 
      virtual bool SetGDB( IGeomDB* pGDB) = 0 ;
      virtual bool GoTo( int nId) = 0 ;
      virtual bool GoToFirstInGroup( int nIdGroup) = 0 ;
      virtual bool GoToNext( void) = 0 ;
      virtual bool GoToLastInGroup( int nIdGroup) = 0 ;
      virtual bool GoToPrev( void) = 0 ;

      virtual GdbType  GetGdbType( void) const = 0 ;
      virtual IGeoObj* GetGeoObj( void) = 0 ;
      virtual IGeoFrame3d* GetGeoFrame( void) = 0 ;
      virtual bool GetGroupFrame( Frame3d& frGlob) = 0 ;
      virtual bool GetGroupGlobFrame( Frame3d& frGlob) = 0 ;
      virtual int  GetId( void) = 0 ;
      virtual int  GetParentId( void) = 0 ;
      virtual bool GetGlobFrame( Frame3d& frGlob) = 0 ;
} ;

//-----------------------------------------------------------------------------
EGK_EXPORT IGdbIterator* CreateGdbIterator( void) ;