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 // ----------------------------------
18 //Version Date Purpose
19 // 0.0 Oct 10 1997 Creation
21 #include <Standard_GUID.hxx>
22 #include <Standard_Type.hxx>
23 #include <TDF_Attribute.hxx>
24 #include <TDF_DefaultDeltaOnModification.hxx>
25 #include <TDF_Label.hxx>
27 IMPLEMENT_STANDARD_RTTIEXT(TDF_DefaultDeltaOnModification,TDF_DeltaOnModification)
29 //=======================================================================
30 //function : TDF_DefaultDeltaOnModification
32 //=======================================================================
33 TDF_DefaultDeltaOnModification::TDF_DefaultDeltaOnModification
34 (const Handle(TDF_Attribute)& anAttribute)
35 : TDF_DeltaOnModification(anAttribute)
39 //=======================================================================
42 //=======================================================================
44 void TDF_DefaultDeltaOnModification::Apply()
46 const Handle(TDF_Attribute)& savAtt = Attribute();
47 Handle(TDF_Attribute) refAtt;
48 if (Label().FindAttribute(savAtt->ID(),refAtt))
49 refAtt->DeltaOnModification(this);