Updated copyright comment

[modules/shaper.git] / src / Model / Model_AttributeReference.cpp

diff --git a/src/Model/Model_AttributeReference.cpp b/src/Model/Model_AttributeReference.cpp
index dc1a3994d22861431126c4f20be293de14731417..cc8dc2f0908ef5ebfadae551a52b9966766abad1 100644 (file)
--- a/src/Model/Model_AttributeReference.cpp
+++ b/src/Model/Model_AttributeReference.cpp
@@ -1,8 +1,21 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:        ModelAPI_AttributeReference.cxx
-// Created:     2 Apr 2014
-// Author:      Mikhail PONIKAROV
+// Copyright (C) 2014-2024  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_AttributeReference.h"
 #include "Model_Application.h"
@@ -16,8 +29,6 @@
 #include <TDataStd_AsciiString.hxx>
 #include <TDF_Tool.hxx>
 
-using namespace std;
-
 void Model_AttributeReference::setValue(ObjectPtr theObject)
 {
   // now allow to deselect in this attribute: extrusion from/to
@@ -71,20 +82,25 @@ ObjectPtr Model_AttributeReference::value()
       Handle(TDataStd_AsciiString) anEntry;
       if (myRef->Label().FindAttribute(TDataStd_AsciiString::GetID(), anEntry)) {
         std::shared_ptr<Model_Document> aDR = std::dynamic_pointer_cast<Model_Document>(aRefDoc);
-        TDF_Label aRefLab;
-        TDF_Tool::Label(aDR->objects()->featuresLabel().Data(), anEntry->Get().ToCString(), aRefLab);
-        if (!aRefLab.IsNull()) {
-          return aDR->objects()->object(aRefLab);
+        if (aDR.get() && aDR->objects()) {
+          TDF_Label aRefLab;
+          TDF_Tool::Label(aDR->objects()->featuresLabel().Data(),
+            anEntry->Get().ToCString(), aRefLab);
+          if (!aRefLab.IsNull()) {
+            return aDR->objects()->object(aRefLab);
+          }
         }
       }
     }
   } else { // internal ref
-    std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
-        owner()->document());
-    if (aDoc) {
-      TDF_Label aRefLab = myRef->Get();
-      if (!aRefLab.IsNull()) {  // it may happen with old document, issue #285
-        return aDoc->objects()->object(aRefLab);
+    if (owner().get()) {
+      std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
+          owner()->document());
+      if (aDoc) {
+        TDF_Label aRefLab = myRef->Get();
+        if (!aRefLab.IsNull()) {  // it may happen with old document, issue #285
+          return aDoc->objects()->object(aRefLab);
+        }
       }
     }
   }
@@ -102,9 +118,16 @@ bool Model_AttributeReference::isInitialized()
 
 Model_AttributeReference::Model_AttributeReference(TDF_Label& theLabel)
 {
-  myIsInitialized = theLabel.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;
+  myLab = theLabel;
+  reinit();
+}
+
+void Model_AttributeReference::reinit()
+{
+  myIsInitialized = myLab.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;
   if (!myIsInitialized) {
-    myRef = TDF_Reference::Set(theLabel, theLabel);  // not initialized references to itself
+    myRef = TDF_Reference::Set(myLab, myLab);  // not initialized references to itself
+    myIsInitialized = true;
   } else {
     if (owner()) {
       std::shared_ptr<Model_Document> aDoc =
@@ -117,8 +140,8 @@ void Model_AttributeReference::setObject(const std::shared_ptr<ModelAPI_Object>&
 {
   if (owner() != theObject) {
     ModelAPI_AttributeReference::setObject(theObject);
-    std::shared_ptr<Model_Document> aDoc =
-      std::dynamic_pointer_cast<Model_Document>(owner()->document());
+    //std::shared_ptr<Model_Document> aDoc =
+    //  std::dynamic_pointer_cast<Model_Document>(owner()->document());
   }
 }