X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModel%2FModel_AttributeReference.cpp;h=4ef69651ef59e7377b2d843553b271a3141e5b2e;hb=fc72d43b677baa05ae7fd317346fd8b723b799ed;hp=e209eb0e12ef43ac33786ce9bbf025e7e8cb3554;hpb=4783f146b71a48c651523fcf0e12367bcf3d1fa8;p=modules%2Fshaper.git

diff --git a/src/Model/Model_AttributeReference.cpp b/src/Model/Model_AttributeReference.cpp
index e209eb0e1..4ef69651e 100644
--- a/src/Model/Model_AttributeReference.cpp
+++ b/src/Model/Model_AttributeReference.cpp
@@ -1,26 +1,72 @@
-// File:        ModelAPI_AttributeReference.cxx
-// Created:     2 Apr 2014
-// Author:      Mikhail PONIKAROV
+// Copyright (C) 2014-2023  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
+//
 
 #include "Model_AttributeReference.h"
 #include "Model_Application.h"
 #include "Model_Events.h"
 #include "Model_Data.h"
+#include "Model_Objects.h"
 #include <ModelAPI_Feature.h>
+#include <ModelAPI_Session.h>
 
-using namespace std;
+#include <TDataStd_Comment.hxx>
+#include <TDataStd_AsciiString.hxx>
+#include <TDF_Tool.hxx>
 
 void Model_AttributeReference::setValue(ObjectPtr theObject)
 {
-  if(!theObject)
-    return;
-  if (!myIsInitialized || value() != theObject) {
-    std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
+  // now allow to deselect in this attribute: extrusion from/to
+  //if(!theObject)
+  //  return;
+  ObjectPtr aValue = value();
+  if (!myIsInitialized || aValue != theObject) {
+    REMOVE_BACK_REF(aValue);
+
+    TDF_Label anObjLab;
+    if (theObject.get() && theObject->data()->isValid()) {
+      std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
         theObject->data());
+      anObjLab = aData->label().Father(); // object label
+    }
+    // same document, use reference attribute
+    if (anObjLab.IsNull() || owner()->document() == theObject->document()) {
 
-    std::shared_ptr<Model_Document> aDoc =
-      std::dynamic_pointer_cast<Model_Document>(owner()->document());
-    myRef->Set(aData->label().Father());  // references to the feature label
+      if (anObjLab.IsNull()) {
+        myRef->Set(myRef->Label());
+      } else {
+        myRef->Set(anObjLab);  // references to the object label
+      }
+       // remove external link attributes (if any)
+      myRef->Label().ForgetAttribute(TDataStd_Comment::GetID());
+      myRef->Label().ForgetAttribute(TDataStd_AsciiString::GetID());
+    } else { // different document: store the document name (comment) and entry (string): external
+      // if these attributes exist, the link is external: keep reference to access the label
+      std::ostringstream anIdString; // string with document Id
+      anIdString<<theObject->document()->id();
+      TDataStd_Comment::Set(myRef->Label(), anIdString.str().c_str());
+      TCollection_AsciiString anEntry;
+      TDF_Tool::Entry(anObjLab, anEntry);
+      TDataStd_AsciiString::Set(myRef->Label(), anEntry);
+    }
+    // do it before the transaction finish to make just created/removed objects know dependencies
+    // and reference from composite feature is removed automatically
+    ADD_BACK_REF(theObject);
 
     owner()->data()->sendAttributeUpdated(this);
   }
@@ -28,23 +74,60 @@ void Model_AttributeReference::setValue(ObjectPtr theObject)
 
 ObjectPtr Model_AttributeReference::value()
 {
-  if (myIsInitialized) {
-    std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
-        owner()->document());
-    if (aDoc) {
-      TDF_Label aRefLab = myRef->Get();
-      return aDoc->object(aRefLab);
+  Handle(TDataStd_Comment) aDocID;
+  if (myRef->Label().FindAttribute(TDataStd_Comment::GetID(), aDocID)) { // external ref
+    int anID = atoi(TCollection_AsciiString(aDocID->Get()).ToCString());
+    DocumentPtr aRefDoc = Model_Application::getApplication()->document(anID);
+    if (aRefDoc.get()) {
+      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);
+        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
+    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);
+        }
+      }
     }
   }
-  // not initialized
   return FeaturePtr();
 }
 
+bool Model_AttributeReference::isInitialized()
+{
+  if (myRef->Label() == myRef->Get() && !myRef->Label().IsAttribute(TDataStd_Comment::GetID())) {
+    // empty reference is not initialized
+    return false;
+  }
+  return ModelAPI_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 =
@@ -57,14 +140,10 @@ 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());
   }
 }
 
 Model_AttributeReference::~Model_AttributeReference()
-{
-  std::shared_ptr<Model_Document> aDoc =
-    std::dynamic_pointer_cast<Model_Document>(owner()->document());
-  TDF_Label aLab = myRef->Get();
-}
+{}