1 // Created by: DAUTRY Philippe
2 // Copyright (c) 1997-1999 Matra Datavision
3 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _TDF_DeltaOnModification_HeaderFile
17 #define _TDF_DeltaOnModification_HeaderFile
19 #include <Standard.hxx>
20 #include <Standard_Type.hxx>
22 #include <TDF_AttributeDelta.hxx>
26 class TDF_DeltaOnModification;
27 DEFINE_STANDARD_HANDLE(TDF_DeltaOnModification, TDF_AttributeDelta)
29 //! This class provides default services for an
30 //! AttributeDelta on a MODIFICATION action.
32 //! Applying this AttributeDelta means GOING BACK to
33 //! the attribute previously registered state.
34 class TDF_DeltaOnModification : public TDF_AttributeDelta
40 //! Applies the delta to the attribute.
41 Standard_EXPORT virtual void Apply() Standard_OVERRIDE;
46 DEFINE_STANDARD_RTTIEXT(TDF_DeltaOnModification,TDF_AttributeDelta)
51 //! Initializes a TDF_DeltaOnModification.
52 Standard_EXPORT TDF_DeltaOnModification(const Handle(TDF_Attribute)& anAttribute);
69 #endif // _TDF_DeltaOnModification_HeaderFile