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 if (myIsInitialized && object() == theAttr->owner() && myID->Get().IsEqual(anID.c_str()))
24 return; // nothing is changed
25 REMOVE_BACK_REF(theAttr->owner());
26 myRef->Set(aData->label().Father());
27 myID->Set(aData->id(theAttr).c_str());
28 ADD_BACK_REF(theAttr->owner());
29 owner()->data()->sendAttributeUpdated(this);
32 std::shared_ptr<ModelAPI_Attribute> Model_AttributeRefAttr::attr()
34 ObjectPtr anObj = object();
35 if (anObj && anObj->data()) {
36 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(anObj->data());
37 return aData->attribute(TCollection_AsciiString(myID->Get()).ToCString());
40 return std::shared_ptr<ModelAPI_Attribute>();
43 void Model_AttributeRefAttr::setObject(ObjectPtr theObject)
45 // the back reference from the previous object to the attribute should be removed
46 ObjectPtr anObject = object();
47 if (theObject.get() && (!myIsInitialized || myID->Get().Length() != 0 || object() != theObject)) {
48 REMOVE_BACK_REF(anObject);
50 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
52 myRef->Set(aData->label().Father());
53 myID->Set(""); // feature is identified by the empty ID
55 // do it before the transaction finish to make just created/removed objects know dependencies
56 // and reference from composite feature is removed automatically
57 FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
58 if (anOwnerFeature.get()) {
59 aData->addBackReference(anOwnerFeature, id(), false);
61 ADD_BACK_REF(theObject);
62 owner()->data()->sendAttributeUpdated(this);
63 } else if (theObject.get() == NULL) {
64 REMOVE_BACK_REF(anObject);
65 myRef->Set(myRef->Label()); // reference to itself means that object is null
66 myID->Set(""); // feature is identified by the empty ID
67 owner()->data()->sendAttributeUpdated(this);
71 ObjectPtr Model_AttributeRefAttr::object()
73 if (myRef->Get() != myRef->Label()) { // initialized
74 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
77 TDF_Label aRefLab = myRef->Get();
78 return aDoc->objects()->object(aRefLab);
85 bool Model_AttributeRefAttr::isInitialized()
87 if (myRef->Get() == myRef->Label()) { // empty is not initialized: sketch parallelity
90 return ModelAPI_AttributeRefAttr::isInitialized();
93 Model_AttributeRefAttr::Model_AttributeRefAttr(TDF_Label& theLabel)
99 void Model_AttributeRefAttr::reinit()
101 myIsInitialized = myLab.FindAttribute(TDataStd_Comment::GetID(), myID) == Standard_True;
102 if (!myIsInitialized) {
103 // create attribute: not initialized by value yet
104 myID = TDataStd_Comment::Set(myLab, "");
105 myRef = TDF_Reference::Set(myLab, myLab); // not initialized: reference to itself
107 myLab.FindAttribute(TDF_Reference::GetID(), myRef);