-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: ModelAPI_AttributeRefAttrList.cxx
-// Created: 8 May 2014
-// Author: Mikhail PONIKAROV
+// Copyright (C) 2014-2023 CEA, EDF
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
#include "Model_AttributeRefAttrList.h"
#include "Model_Application.h"
#include <TDF_ListIteratorOfLabelList.hxx>
#include <TDataStd_ListIteratorOfListOfExtendedString.hxx>
-using namespace std;
-
void Model_AttributeRefAttrList::append(ObjectPtr theObject)
{
- std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theObject->data());
- myRef->Append(aData->label().Father()); // store label of the object
+ TDF_Label aLabel;
+ if (theObject) {
+ std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theObject->data());
+ aLabel = aData->label().Father();
+ }
+
+ myRef->Append(aLabel); // store label of the object
myIDs->Append(""); // for the object store an empty string
// do it before the transaction finish to make just created/removed objects know dependencies
// and reference from composite feature is removed automatically
myIDs->Append(anIDIter.Value());
} else { // found, so need to update the dependencies
aOneisDeleted = true;
- ObjectPtr anObj = aDoc->objects()->object(aRefIter.Value());
+ ObjectPtr anObj;
+ if (!aRefIter.Value().IsNull())
+ anObj = aDoc->objects()->object(aRefIter.Value());
if (anObj.get()) {
REMOVE_BACK_REF(anObj);
}