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>
15 bool Model_AttributeRefAttr::isObject()
17 return myID->Get().Length() == 0;
20 void Model_AttributeRefAttr::setAttr(std::shared_ptr<ModelAPI_Attribute> theAttr)
22 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
23 theAttr->owner()->data());
24 string anID = aData->id(theAttr);
25 if (myIsInitialized && object() == theAttr->owner() && myID->Get().IsEqual(anID.c_str()))
26 return; // nothing is changed
27 REMOVE_BACK_REF(theAttr->owner());
28 myRef->Set(aData->label().Father());
29 myID->Set(aData->id(theAttr).c_str());
30 ADD_BACK_REF(theAttr->owner());
31 owner()->data()->sendAttributeUpdated(this);
34 std::shared_ptr<ModelAPI_Attribute> Model_AttributeRefAttr::attr()
36 ObjectPtr anObj = object();
37 if (anObj && anObj->data()) {
38 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(anObj->data());
39 return aData->attribute(TCollection_AsciiString(myID->Get()).ToCString());
42 return std::shared_ptr<ModelAPI_Attribute>();
45 void Model_AttributeRefAttr::setObject(ObjectPtr theObject)
47 // the back reference from the previous object to the attribute should be removed
48 ObjectPtr anObject = object();
49 if (theObject.get() && (!myIsInitialized || myID->Get().Length() != 0 || object() != theObject)) {
50 REMOVE_BACK_REF(anObject);
52 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
54 myRef->Set(aData->label().Father());
55 myID->Set(""); // feature is identified by the empty ID
57 // do it before the transaction finish to make just created/removed objects know dependencies
58 // and reference from composite feature is removed automatically
59 FeaturePtr anOwnerFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(owner());
60 if (anOwnerFeature.get()) {
61 aData->addBackReference(anOwnerFeature, id(), false);
63 ADD_BACK_REF(theObject);
64 owner()->data()->sendAttributeUpdated(this);
65 } else if (theObject.get() == NULL) {
66 REMOVE_BACK_REF(anObject);
67 myRef->Set(myRef->Label()); // reference to itself means that object is null
68 myID->Set(""); // feature is identified by the empty ID
69 owner()->data()->sendAttributeUpdated(this);
73 ObjectPtr Model_AttributeRefAttr::object()
75 if (myRef->Get() != myRef->Label()) { // initialized
76 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
79 TDF_Label aRefLab = myRef->Get();
80 return aDoc->objects()->object(aRefLab);
87 bool Model_AttributeRefAttr::isInitialized()
89 if (myRef->Get() == myRef->Label()) { // empty is not initialized: sketch parallelity
92 return ModelAPI_AttributeRefAttr::isInitialized();
95 Model_AttributeRefAttr::Model_AttributeRefAttr(TDF_Label& theLabel)
101 void Model_AttributeRefAttr::reinit()
103 myIsInitialized = myLab.FindAttribute(TDataStd_Comment::GetID(), myID) == Standard_True;
104 if (!myIsInitialized) {
105 // create attribute: not initialized by value yet
106 myID = TDataStd_Comment::Set(myLab, "");
107 myRef = TDF_Reference::Set(myLab, myLab); // not initialized: reference to itself
109 myLab.FindAttribute(TDF_Reference::GetID(), myRef);