1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: ModelAPI_AttributeReference.cxx
5 // Author: Mikhail PONIKAROV
7 #include "Model_AttributeReference.h"
8 #include "Model_Application.h"
9 #include "Model_Events.h"
10 #include "Model_Data.h"
11 #include <ModelAPI_Feature.h>
12 #include <ModelAPI_Session.h>
14 #include <TDataStd_Comment.hxx>
15 #include <TDataStd_AsciiString.hxx>
16 #include <TDF_Tool.hxx>
20 void Model_AttributeReference::setValue(ObjectPtr theObject)
24 if (!myIsInitialized || value() != theObject) {
25 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
27 TDF_Label anObjLab = aData->label().Father(); // object label
29 if (owner()->document() == theObject->document()) { // same document, use reference attribute
31 std::shared_ptr<Model_Document> aDoc =
32 std::dynamic_pointer_cast<Model_Document>(owner()->document());
33 myRef->Set(anObjLab); // references to the object label
34 // remove external link attributes (if any)
35 myRef->Label().ForgetAttribute(TDataStd_Comment::GetID());
36 myRef->Label().ForgetAttribute(TDataStd_AsciiString::GetID());
37 } else { // different document: store the document name (comment) and entry (string): external
38 // if these attributes exist, the link is external: keep reference to access the label
39 TDataStd_Comment::Set(myRef->Label(), theObject->document()->id().c_str());
40 TCollection_AsciiString anEntry;
41 TDF_Tool::Entry(anObjLab, anEntry);
42 TDataStd_AsciiString::Set(myRef->Label(), anEntry);
45 owner()->data()->sendAttributeUpdated(this);
49 ObjectPtr Model_AttributeReference::value()
51 if (myIsInitialized) {
52 Handle(TDataStd_Comment) aDocID;
53 if (myRef->Label().FindAttribute(TDataStd_Comment::GetID(), aDocID)) { // external ref
55 ModelAPI_Session::get()->document(TCollection_AsciiString(aDocID->Get()).ToCString());
57 Handle(TDataStd_AsciiString) anEntry;
58 if (myRef->Label().FindAttribute(TDataStd_AsciiString::GetID(), anEntry)) {
59 std::shared_ptr<Model_Document> aDR = std::dynamic_pointer_cast<Model_Document>(aRefDoc);
61 TDF_Tool::Label(aDR->featuresLabel().Data(), anEntry->Get().ToCString(), aRefLab);
62 if (!aRefLab.IsNull()) {
63 return aDR->object(aRefLab);
67 } else { // internal ref
68 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
71 TDF_Label aRefLab = myRef->Get();
72 if (!aRefLab.IsNull()) { // it may happen with old document, issue #285
73 return aDoc->object(aRefLab);
82 Model_AttributeReference::Model_AttributeReference(TDF_Label& theLabel)
84 myIsInitialized = theLabel.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;
85 if (!myIsInitialized) {
86 myRef = TDF_Reference::Set(theLabel, theLabel); // not initialized references to itself
89 std::shared_ptr<Model_Document> aDoc =
90 std::dynamic_pointer_cast<Model_Document>(owner()->document());
95 void Model_AttributeReference::setObject(const std::shared_ptr<ModelAPI_Object>& theObject)
97 if (owner() != theObject) {
98 ModelAPI_AttributeReference::setObject(theObject);
99 std::shared_ptr<Model_Document> aDoc =
100 std::dynamic_pointer_cast<Model_Document>(owner()->document());
104 Model_AttributeReference::~Model_AttributeReference()
106 std::shared_ptr<Model_Document> aDoc =
107 std::dynamic_pointer_cast<Model_Document>(owner()->document());
108 TDF_Label aLab = myRef->Get();