-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File: Model_AttributeString.cpp
-// Created: 25 august 2014
-// Author: sbh
+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// 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<mailto:webmaster.salome@opencascade.com>
+//
#include <Model_AttributeString.h>
#include <ModelAPI_AttributeString.h>
{
TCollection_ExtendedString aValue(theValue.c_str());
if (!myIsInitialized || myString->Get() != aValue) {
+ if (myString.IsNull())
+ myString = TDataStd_Name::Set(myLab, TCollection_ExtendedString());
myString->Set(aValue);
owner()->data()->sendAttributeUpdated(this);
}
std::string Model_AttributeString::value()
{
+ if (myString.IsNull())
+ return ""; // not initialized
return TCollection_AsciiString(myString->Get()).ToCString();
}
Model_AttributeString::Model_AttributeString(TDF_Label& theLabel)
+{
+ myLab = theLabel;
+ reinit();
+}
+
+void Model_AttributeString::reinit()
{
// check the attribute could be already presented in this doc (after load document)
- myIsInitialized = theLabel.FindAttribute(TDataStd_Name::GetID(), myString) == Standard_True;
- if (!myIsInitialized) {
- // create attribute: not initialized by value yet, just empty string
- myString = TDataStd_Name::Set(theLabel, TCollection_ExtendedString());
- }
+ myIsInitialized = myLab.FindAttribute(TDataStd_Name::GetID(), myString) == Standard_True;
}