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occt/src/BinTObjDrivers/BinTObjDrivers_ModelDriver.cxx

108 lines
3.7 KiB
C++

// Created on: 2004-11-24
// Created by: Edward AGAPOV
// Copyright (c) 2004-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
// The original implementation Copyright: (C) RINA S.p.A
#include <BinTObjDrivers_ModelDriver.hxx>
#include <BinObjMgt_Persistent.hxx>
#include <Message_Messenger.hxx>
#include <Standard_GUID.hxx>
#include <TDF_Attribute.hxx>
#include <TObj_TModel.hxx>
#include <TObj_Model.hxx>
#include <TObj_Assistant.hxx>
IMPLEMENT_STANDARD_RTTIEXT(BinTObjDrivers_ModelDriver,BinMDF_ADriver)
//=======================================================================
//function : BinTObjDrivers_ModelDriver
//purpose : constructor
//=======================================================================
BinTObjDrivers_ModelDriver::BinTObjDrivers_ModelDriver
(const Handle(Message_Messenger)& theMessageDriver)
: BinMDF_ADriver( theMessageDriver, NULL)
{
}
//=======================================================================
//function : NewEmpty
//purpose : Creates a new attribute
//=======================================================================
Handle(TDF_Attribute) BinTObjDrivers_ModelDriver::NewEmpty() const
{
return new TObj_TModel;
}
//=======================================================================
//function : Paste
//purpose : Translate the contents of <theSource> and put it
// into <theTarget>.
// Set CurrentModel of TObj_Assistant into theTarget TObj_TModel
// if its GUID and GUID stored in theSource are same
//=======================================================================
Standard_Boolean BinTObjDrivers_ModelDriver::Paste
(const BinObjMgt_Persistent& theSource,
const Handle(TDF_Attribute)& theTarget,
BinObjMgt_RRelocationTable&) const
{
Standard_GUID aGUID;
if (! (theSource >> aGUID)) return Standard_False;
Handle(TObj_Model) aCurrentModel = TObj_Assistant::GetCurrentModel();
if (aCurrentModel.IsNull()) return Standard_False;
if (aGUID != aCurrentModel->GetGUID())
{
myMessageDriver->Send("TObj_TModel retrieval: wrong model GUID", Message_Fail);
return Standard_False;
}
Handle(TObj_TModel) aTModel = Handle(TObj_TModel)::DownCast( theTarget );
aCurrentModel->SetLabel ( aTModel->Label() );
aTModel->Set( aCurrentModel );
return Standard_True;
}
//=======================================================================
//function : Paste
//purpose : Translate the contents of <theSource> and put it
// into <theTarget>.
// a Model is stored as its GUID
//=======================================================================
void BinTObjDrivers_ModelDriver::Paste
(const Handle(TDF_Attribute)& theSource,
BinObjMgt_Persistent& theTarget,
BinObjMgt_SRelocationTable&) const
{
Handle(TObj_TModel) aTModel =
Handle(TObj_TModel)::DownCast( theSource );
Handle(TObj_Model) aModel = aTModel->Model();
if (!aModel.IsNull())
{
// Store model GUID.
Standard_GUID aGUID = aModel->GetGUID();
theTarget << aGUID;
}
}