1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: ModelAPI_AttributeRefAttr.cxx
5 // Author: Mikhail PONIKAROV
7 #include "Model_AttributeRefAttr.h"
8 #include "Model_Application.h"
9 #include "Model_Data.h"
10 #include "Model_Objects.h"
11 #include <ModelAPI_Feature.h>
13 bool Model_AttributeRefAttr::isObject()
15 return myID->Get().Length() == 0;
18 void Model_AttributeRefAttr::setAttr(std::shared_ptr<ModelAPI_Attribute> theAttr)
20 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
21 theAttr->owner()->data());
22 std::string anID = aData->id(theAttr);
23 ObjectPtr anObj = object();
24 if (myIsInitialized && anObj == theAttr->owner() && myID->Get().IsEqual(anID.c_str()))
25 return; // nothing is changed
26 REMOVE_BACK_REF(anObj);
27 myRef->Set(aData->label().Father());
28 myID->Set(aData->id(theAttr).c_str());
29 ADD_BACK_REF(theAttr->owner());
30 owner()->data()->sendAttributeUpdated(this);
33 std::shared_ptr<ModelAPI_Attribute> Model_AttributeRefAttr::attr()
35 ObjectPtr anObj = object();
36 if (anObj && anObj->data()) {
37 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(anObj->data());
38 return aData->attribute(TCollection_AsciiString(myID->Get()).ToCString());
41 return std::shared_ptr<ModelAPI_Attribute>();
44 void Model_AttributeRefAttr::setObject(ObjectPtr theObject)
46 // the back reference from the previous object to the attribute should be removed
47 ObjectPtr anObject = object();
48 if (theObject.get() && (!myIsInitialized || myID->Get().Length() != 0 || object() != theObject)) {
49 REMOVE_BACK_REF(anObject);
51 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
53 myRef->Set(aData->label().Father());
54 myID->Set(""); // feature is identified by the empty ID
56 // do it before the transaction finish to make just created/removed objects know dependencies
57 // and reference from composite feature is removed automatically
58 FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
59 if (anOwnerFeature.get()) {
60 aData->addBackReference(anOwnerFeature, id(), false);
62 ADD_BACK_REF(theObject);
63 owner()->data()->sendAttributeUpdated(this);
64 } else if (theObject.get() == NULL) {
65 REMOVE_BACK_REF(anObject);
66 myRef->Set(myRef->Label()); // reference to itself means that object is null
67 myID->Set(""); // feature is identified by the empty ID
68 owner()->data()->sendAttributeUpdated(this);
72 ObjectPtr Model_AttributeRefAttr::object()
74 if (myRef->Get() != myRef->Label()) { // initialized
75 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
78 TDF_Label aRefLab = myRef->Get();
79 return aDoc->objects()->object(aRefLab);
86 bool Model_AttributeRefAttr::isInitialized()
88 if (myRef->Get() == myRef->Label()) { // empty is not initialized: sketch parallelity
91 return ModelAPI_AttributeRefAttr::isInitialized();
94 Model_AttributeRefAttr::Model_AttributeRefAttr(TDF_Label& theLabel)
100 void Model_AttributeRefAttr::reinit()
102 myIsInitialized = myLab.FindAttribute(TDataStd_Comment::GetID(), myID) == Standard_True;
103 if (!myIsInitialized) {
104 // create attribute: not initialized by value yet
105 myID = TDataStd_Comment::Set(myLab, "");
106 myRef = TDF_Reference::Set(myLab, myLab); // not initialized: reference to itself
108 myLab.FindAttribute(TDF_Reference::GetID(), myRef);