1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: Model_Objects.cxx
4 // Created: 15 May 2015
5 // Author: Mikhail PONIKAROV
7 #include <Model_Objects.h>
8 #include <Model_Data.h>
9 #include <Model_Document.h>
10 #include <Model_Events.h>
11 #include <Model_Session.h>
12 #include <Model_ResultPart.h>
13 #include <Model_ResultConstruction.h>
14 #include <Model_ResultBody.h>
15 #include <Model_ResultCompSolid.h>
16 #include <Model_ResultGroup.h>
17 #include <Model_ResultParameter.h>
18 #include <ModelAPI_Validator.h>
19 #include <ModelAPI_CompositeFeature.h>
20 #include <ModelAPI_Tools.h>
22 #include <Events_Loop.h>
23 #include <Events_Error.h>
25 #include <TDataStd_Integer.hxx>
26 #include <TDataStd_Comment.hxx>
27 #include <TDF_ChildIDIterator.hxx>
28 #include <TDataStd_ReferenceArray.hxx>
29 #include <TDataStd_HLabelArray1.hxx>
30 #include <TDataStd_Name.hxx>
31 #include <TDF_Reference.hxx>
32 #include <TDF_ChildIDIterator.hxx>
33 #include <TDF_LabelMapHasher.hxx>
34 #include <TDF_LabelMap.hxx>
35 #include <TDF_ListIteratorOfLabelList.hxx>
37 static const int TAG_OBJECTS = 2; // tag of the objects sub-tree (features, results)
40 static const int TAG_FEATURE_ARGUMENTS = 1; ///< where the arguments are located
41 static const int TAG_FEATURE_RESULTS = 2; ///< where the results are located
44 /// 0:1:2 - where features are located
45 /// 0:1:2:N:1 - data of the feature N
46 /// 0:1:2:N:2:K:1 - data of the K result of the feature N
48 Model_Objects::Model_Objects(TDF_Label theMainLab) : myMain(theMainLab)
52 void Model_Objects::setOwner(DocumentPtr theDoc)
55 // update all fields and recreate features and result objects if needed
56 TDF_LabelList aNoUpdated;
57 synchronizeFeatures(aNoUpdated, true, true);
61 Model_Objects::~Model_Objects()
63 // delete all features of this document
64 Events_Loop* aLoop = Events_Loop::loop();
65 // erase one by one to avoid access from the feature destructor itself from he map
66 while(!myFeatures.IsEmpty()) {
67 NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFeaturesIter(myFeatures);
68 FeaturePtr aFeature = aFeaturesIter.Value();
69 static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
70 ModelAPI_EventCreator::get()->sendDeleted(myDoc, ModelAPI_Feature::group());
71 ModelAPI_EventCreator::get()->sendUpdated(aFeature, EVENT_DISP);
72 aFeature->eraseResults();
74 myFeatures.UnBind(aFeaturesIter.Key());
76 aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
77 aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
81 /// Appends to the array of references a new referenced label
82 static void AddToRefArray(TDF_Label& theArrayLab, TDF_Label& theReferenced, TDF_Label& thePrevLab)
84 Handle(TDataStd_ReferenceArray) aRefs;
85 if (!theArrayLab.FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
86 aRefs = TDataStd_ReferenceArray::Set(theArrayLab, 0, 0);
87 aRefs->SetValue(0, theReferenced);
88 } else { // extend array by one more element
89 Handle(TDataStd_HLabelArray1) aNewArray = new TDataStd_HLabelArray1(aRefs->Lower(),
91 int aPassedPrev = 0; // prev feature is found and passed
92 if (thePrevLab.IsNull()) { // null means that inserted feature must be the first
93 aNewArray->SetValue(aRefs->Lower(), theReferenced);
96 for (int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
97 aNewArray->SetValue(a + aPassedPrev, aRefs->Value(a));
98 if (!aPassedPrev && aRefs->Value(a).IsEqual(thePrevLab)) {
100 aNewArray->SetValue(a + 1, theReferenced);
103 if (!aPassedPrev) // not found: unknown situation
104 aNewArray->SetValue(aRefs->Upper() + 1, theReferenced);
105 aRefs->SetInternalArray(aNewArray);
109 void Model_Objects::addFeature(FeaturePtr theFeature, const FeaturePtr theAfterThis)
111 if (!theFeature->isAction()) { // do not add action to the data model
112 TDF_Label aFeaturesLab = featuresLabel();
113 TDF_Label aFeatureLab = aFeaturesLab.NewChild();
114 // store feature in the features array: before "initData" because in macro features
115 // in initData it creates new features, appeared later than this
116 TDF_Label aPrevFeateureLab;
117 if (theAfterThis.get()) { // searching for the previous feature label
118 std::shared_ptr<Model_Data> aPrevData =
119 std::dynamic_pointer_cast<Model_Data>(theAfterThis->data());
120 if (aPrevData.get()) {
121 aPrevFeateureLab = aPrevData->label().Father();
124 AddToRefArray(aFeaturesLab, aFeatureLab, aPrevFeateureLab);
126 // keep the feature ID to restore document later correctly
127 TDataStd_Comment::Set(aFeatureLab, theFeature->getKind().c_str());
128 myFeatures.Bind(aFeatureLab, theFeature);
129 // must be after binding to the map because of "Box" macro feature that
130 // creates other features in "initData"
131 initData(theFeature, aFeatureLab, TAG_FEATURE_ARGUMENTS);
132 // event: feature is added
133 static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
134 ModelAPI_EventCreator::get()->sendUpdated(theFeature, anEvent);
135 theFeature->setDisabled(false); // by default created feature is enabled
136 updateHistory(ModelAPI_Feature::group());
137 } else { // make feature has not-null data anyway
138 theFeature->setData(Model_Data::invalidData());
139 theFeature->setDoc(myDoc);
143 /// Appends to the array of references a new referenced label.
144 /// If theIndex is not -1, removes element at this index, not theReferenced.
145 /// \returns the index of removed element
146 static int RemoveFromRefArray(TDF_Label theArrayLab, TDF_Label theReferenced,
147 const int theIndex = -1)
149 int aResult = -1; // no returned
150 Handle(TDataStd_ReferenceArray) aRefs;
151 if (theArrayLab.FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
152 if (aRefs->Length() == 1) { // just erase an array
153 if ((theIndex == -1 && aRefs->Value(0) == theReferenced) || theIndex == 0) {
154 theArrayLab.ForgetAttribute(TDataStd_ReferenceArray::GetID());
157 } else { // reduce the array
158 Handle(TDataStd_HLabelArray1) aNewArray = new TDataStd_HLabelArray1(aRefs->Lower(),
160 int aCount = aRefs->Lower();
161 for (int a = aCount; a <= aRefs->Upper(); a++, aCount++) {
162 if ((theIndex == -1 && aRefs->Value(a) == theReferenced) || theIndex == a) {
166 aNewArray->SetValue(aCount, aRefs->Value(a));
169 aRefs->SetInternalArray(aNewArray);
175 void Model_Objects::refsToFeature(FeaturePtr theFeature,
176 std::set<std::shared_ptr<ModelAPI_Feature> >& theRefs, const bool isSendError)
178 // check the feature: it must have no depended objects on it
179 // the dependencies can be in the feature results
180 std::list<ResultPtr>::const_iterator aResIter = theFeature->results().cbegin();
181 for(; aResIter != theFeature->results().cend(); aResIter++) {
182 ResultPtr aResult = (*aResIter);
183 std::shared_ptr<Model_Data> aData =
184 std::dynamic_pointer_cast<Model_Data>(aResult->data());
185 if (aData.get() != NULL) {
186 const std::set<AttributePtr>& aRefs = aData->refsToMe();
187 std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin(), aRefLast = aRefs.end();
188 for(; aRefIt != aRefLast; aRefIt++) {
189 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIt)->owner());
190 if (aFeature.get() != NULL)
191 theRefs.insert(aFeature);
195 // the dependencies can be in the feature itself
196 std::shared_ptr<Model_Data> aData =
197 std::dynamic_pointer_cast<Model_Data>(theFeature->data());
198 if (aData && !aData->refsToMe().empty()) {
199 const std::set<AttributePtr>& aRefs = aData->refsToMe();
200 std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin(), aRefLast = aRefs.end();
201 for(; aRefIt != aRefLast; aRefIt++) {
202 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIt)->owner());
203 if (aFeature.get() != NULL)
204 theRefs.insert(aFeature);
208 if (!theRefs.empty() && isSendError) {
210 "Feature '" + theFeature->data()->name() + "' is used and can not be deleted");
214 void Model_Objects::removeFeature(FeaturePtr theFeature)
216 std::shared_ptr<Model_Data> aData = std::static_pointer_cast<Model_Data>(theFeature->data());
217 if (aData && aData->isValid()) {
218 // checking that the sub-element of composite feature is removed: if yes, inform the owner
219 std::set<std::shared_ptr<ModelAPI_Feature> > aRefs;
220 refsToFeature(theFeature, aRefs, false);
221 std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aRefIter = aRefs.begin();
222 for(; aRefIter != aRefs.end(); aRefIter++) {
223 std::shared_ptr<ModelAPI_CompositeFeature> aComposite =
224 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*aRefIter);
225 if (aComposite.get()) {
226 aComposite->removeFeature(theFeature);
229 // this must be before erase since theFeature erasing removes all information about
230 // the feature results and groups of results
231 // To reproduce: create sketch, extrusion, remove sketch => constructions tree is not updated
232 clearHistory(theFeature);
236 TDF_Label aFeatureLabel = aData->label().Father();
237 if (myFeatures.IsBound(aFeatureLabel))
238 myFeatures.UnBind(aFeatureLabel);
240 static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
241 ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
242 // erase all attributes under the label of feature
243 aFeatureLabel.ForgetAllAttributes();
244 // remove it from the references array
245 RemoveFromRefArray(featuresLabel(), aFeatureLabel);
246 // event: feature is deleted
247 ModelAPI_EventCreator::get()->sendDeleted(theFeature->document(), ModelAPI_Feature::group());
248 // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
249 Events_Loop::loop()->flush(EVENT_DISP);
250 updateHistory(ModelAPI_Feature::group());
254 void Model_Objects::moveFeature(FeaturePtr theMoved, FeaturePtr theAfterThis)
256 TDF_Label aFeaturesLab = featuresLabel();
257 Handle(TDataStd_ReferenceArray) aRefs;
258 if (!aFeaturesLab.FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs))
260 TDF_Label anAfterLab, aMovedLab =
261 std::dynamic_pointer_cast<Model_Data>(theMoved->data())->label().Father();
262 if (theAfterThis.get())
263 anAfterLab = std::dynamic_pointer_cast<Model_Data>(theAfterThis->data())->label().Father();
265 Handle(TDataStd_HLabelArray1) aNewArray =
266 new TDataStd_HLabelArray1(aRefs->Lower(), aRefs->Upper());
267 int aPassedMovedFrom = 0; // the prev feature location is found and passed
268 int aPassedMovedTo = 0; // the feature is added and this location is passed
269 if (!theAfterThis.get()) { // null means that inserted feature must be the first
270 aNewArray->SetValue(aRefs->Lower(), aMovedLab);
273 for (int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
274 if (aPassedMovedTo == 0 && aRefs->Value(a) == anAfterLab) { // add two
276 aNewArray->SetValue(a - aPassedMovedFrom, anAfterLab);
277 if (a + 1 - aPassedMovedFrom <= aRefs->Upper())
278 aNewArray->SetValue(a + 1 - aPassedMovedFrom, aMovedLab);
279 } else if (aPassedMovedFrom == 0 && aRefs->Value(a) == aMovedLab) { // skip
281 } else { // just copy one
282 if (a - aPassedMovedFrom + aPassedMovedTo <= aRefs->Upper())
283 aNewArray->SetValue(a - aPassedMovedFrom + aPassedMovedTo, aRefs->Value(a));
286 if (!aPassedMovedFrom || !aPassedMovedTo) {// not found: unknown situation
287 if (!aPassedMovedFrom) {
288 static std::string aMovedFromError("The moved feature is not found");
289 Events_Error::send(aMovedFromError);
291 static std::string aMovedToError("The 'after' feature for movement is not found");
292 Events_Error::send(aMovedToError);
296 // store the new array
297 aRefs->SetInternalArray(aNewArray);
298 // update the feature and the history
299 clearHistory(theMoved);
300 // make sure all (selection) attributes of moved feature will be updated
301 theMoved->data()->setUpdateID(0);
302 static Events_ID EVENT_UPD = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
303 ModelAPI_EventCreator::get()->sendUpdated(theMoved, EVENT_UPD);
304 ModelAPI_EventCreator::get()->sendReordered(theMoved->document(), theMoved->groupName());
307 void Model_Objects::clearHistory(ObjectPtr theObj)
310 const std::string aGroup = theObj->groupName();
311 std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(aGroup);
312 if (aHIter != myHistory.end())
313 myHistory.erase(aHIter); // erase from map => this means that it is not synchronized
314 if (theObj->groupName() == ModelAPI_Feature::group()) { // clear results group of the feature
315 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
316 std::string aResultGroup = featureResultGroup(aFeature);
317 if (!aResultGroup.empty()) {
318 std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter =
319 myHistory.find(aResultGroup);
320 if (aHIter != myHistory.end())
321 myHistory.erase(aHIter); // erase from map => this means that it is not synchronized
327 void Model_Objects::createHistory(const std::string& theGroupID)
329 std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(theGroupID);
330 if (aHIter == myHistory.end()) {
331 myHistory[theGroupID] = std::vector<ObjectPtr>();
332 std::vector<ObjectPtr>& aResult = myHistory[theGroupID];
333 // iterate the array of references and get feature by feature from the array
334 bool isFeature = theGroupID == ModelAPI_Feature::group();
335 Handle(TDataStd_ReferenceArray) aRefs;
336 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
337 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
338 FeaturePtr aFeature = feature(aRefs->Value(a));
339 if (aFeature.get()) {
340 // if feature is in sub-component, remove it from history: it is in sub-tree of sub-component
341 if (!ModelAPI_Tools::compositeOwner(aFeature).get()) {
342 if (isFeature) { // here may be also disabled features
343 if (aFeature->isInHistory()) {
344 aResult.push_back(aFeature);
346 } else if (!aFeature->isDisabled()) { // iterate all results of not-disabled feature
347 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
348 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
349 for (; aRIter != aResults.cend(); aRIter++) {
350 ResultPtr aRes = *aRIter;
351 if (aRes->groupName() != theGroupID) break; // feature have only same group results
352 if (!aRes->isDisabled() && aRes->isInHistory() && !aRes->isConcealed()) {
353 aResult.push_back(*aRIter);
364 void Model_Objects::updateHistory(const std::shared_ptr<ModelAPI_Object> theObject)
366 clearHistory(theObject);
369 void Model_Objects::updateHistory(const std::string theGroup)
371 std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(theGroup);
372 if (aHIter != myHistory.end())
373 myHistory.erase(aHIter); // erase from map => this means that it is not synchronized
376 FeaturePtr Model_Objects::feature(TDF_Label theLabel) const
378 if (myFeatures.IsBound(theLabel))
379 return myFeatures.Find(theLabel);
380 return FeaturePtr(); // not found
383 ObjectPtr Model_Objects::object(TDF_Label theLabel)
385 // try feature by label
386 FeaturePtr aFeature = feature(theLabel);
388 return feature(theLabel);
389 TDF_Label aFeatureLabel = theLabel.Father().Father(); // let's suppose it is result
390 aFeature = feature(aFeatureLabel);
391 bool isSubResult = false;
392 if (!aFeature.get() && aFeatureLabel.Depth() > 1) { // let's suppose this is sub-result of result
393 aFeatureLabel = aFeatureLabel.Father().Father();
394 aFeature = feature(aFeatureLabel);
398 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
399 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
400 for (; aRIter != aResults.cend(); aRIter++) {
402 ResultCompSolidPtr aCompRes = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aRIter);
404 int aNumSubs = aCompRes->numberOfSubs();
405 for(int a = 0; a < aNumSubs; a++) {
406 ResultPtr aSub = aCompRes->subResult(a);
408 std::shared_ptr<Model_Data> aSubData = std::dynamic_pointer_cast<Model_Data>(
410 if (aSubData->label().Father().IsEqual(theLabel))
416 std::shared_ptr<Model_Data> aResData = std::dynamic_pointer_cast<Model_Data>(
418 if (aResData->label().Father().IsEqual(theLabel))
423 return FeaturePtr(); // not found
426 ObjectPtr Model_Objects::object(const std::string& theGroupID, const int theIndex)
430 createHistory(theGroupID);
431 return myHistory[theGroupID][theIndex];
434 std::shared_ptr<ModelAPI_Object> Model_Objects::objectByName(
435 const std::string& theGroupID, const std::string& theName)
437 createHistory(theGroupID);
438 std::vector<ObjectPtr>& allObjs = myHistory[theGroupID];
439 std::vector<ObjectPtr>::iterator anObjIter = allObjs.begin();
440 for(; anObjIter != allObjs.end(); anObjIter++) {
441 if ((*anObjIter)->data()->name() == theName)
448 const int Model_Objects::index(std::shared_ptr<ModelAPI_Object> theObject)
450 std::string aGroup = theObject->groupName();
451 createHistory(aGroup);
452 std::vector<ObjectPtr>& allObjs = myHistory[aGroup];
453 std::vector<ObjectPtr>::iterator anObjIter = allObjs.begin(); // iterate to search object
454 for(int anIndex = 0; anObjIter != allObjs.end(); anObjIter++, anIndex++) {
455 if ((*anObjIter) == theObject)
462 int Model_Objects::size(const std::string& theGroupID)
464 createHistory(theGroupID);
465 return myHistory[theGroupID].size();
468 void Model_Objects::allResults(const std::string& theGroupID, std::list<ResultPtr>& theResults)
470 // iterate the array of references and get feature by feature from the array
471 Handle(TDataStd_ReferenceArray) aRefs;
472 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
473 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
474 FeaturePtr aFeature = feature(aRefs->Value(a));
475 if (aFeature.get()) {
476 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
477 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
478 for (; aRIter != aResults.cend(); aRIter++) {
479 ResultPtr aRes = *aRIter;
480 if (aRes->groupName() != theGroupID) break; // feature have only same group results
481 // iterate also concealed: ALL RESULTS (for translation parts undo/redo management)
482 //if (aRes->isInHistory() && !aRes->isConcealed()) {
483 theResults.push_back(*aRIter);
492 TDF_Label Model_Objects::featuresLabel() const
494 return myMain.FindChild(TAG_OBJECTS);
497 void Model_Objects::setUniqueName(FeaturePtr theFeature)
499 if (!theFeature->data()->name().empty())
500 return; // not needed, name is already defined
501 std::string aName; // result
502 // first count all features of such kind to start with index = count + 1
503 int aNumObjects = -1; // this feature is already in this map
504 NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFIter(myFeatures);
505 for (; aFIter.More(); aFIter.Next()) {
506 if (aFIter.Value()->getKind() == theFeature->getKind())
509 // generate candidate name
510 std::stringstream aNameStream;
511 aNameStream << theFeature->getKind() << "_" << aNumObjects + 1;
512 aName = aNameStream.str();
513 // check this is unique, if not, increase index by 1
514 for (aFIter.Initialize(myFeatures); aFIter.More();) {
515 FeaturePtr aFeature = aFIter.Value();
516 bool isSameName = aFeature->data()->name() == aName;
517 if (!isSameName) { // check also results to avoid same results names (actual for Parts)
518 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
519 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
520 for (; aRIter != aResults.cend(); aRIter++) {
521 isSameName = (*aRIter)->data()->name() == aName;
526 std::stringstream aNameStream;
527 aNameStream << theFeature->getKind() << "_" << aNumObjects + 1;
528 aName = aNameStream.str();
529 // reinitialize iterator to make sure a new name is unique
530 aFIter.Initialize(myFeatures);
534 theFeature->data()->setName(aName);
537 void Model_Objects::initData(ObjectPtr theObj, TDF_Label theLab, const int theTag)
539 std::shared_ptr<Model_Data> aData(new Model_Data);
540 aData->setLabel(theLab.FindChild(theTag));
541 aData->setObject(theObj);
542 theObj->setDoc(myDoc);
543 theObj->setData(aData);
544 FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
546 setUniqueName(aFeature); // must be before "initAttributes" because duplicate part uses name
548 theObj->initAttributes();
551 void Model_Objects::synchronizeFeatures(
552 const TDF_LabelList& theUpdated, const bool theUpdateReferences, const bool theFlush)
554 Model_Document* anOwner = std::dynamic_pointer_cast<Model_Document>(myDoc).get();
555 if (!anOwner) // this may happen on creation of document: nothing there, so nothing to synchronize
557 // after all updates, sends a message that groups of features were created or updated
558 Events_Loop* aLoop = Events_Loop::loop();
559 static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
560 static Events_ID aCreateEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
561 static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
562 static Events_ID aRedispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
563 static Events_ID aDeleteEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
564 static Events_ID aToHideEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
565 bool isActive = aLoop->activateFlushes(false);
567 // collect all updated labels map
568 TDF_LabelMap anUpdatedMap;
569 TDF_ListIteratorOfLabelList anUpdatedIter(theUpdated);
570 for(; anUpdatedIter.More(); anUpdatedIter.Next()) {
571 TDF_Label& aFeatureLab = anUpdatedIter.Value();
572 while(aFeatureLab.Depth() > 3)
573 aFeatureLab = aFeatureLab.Father();
574 if (myFeatures.IsBound(aFeatureLab))
575 anUpdatedMap.Add(aFeatureLab);
578 // update all objects by checking are they on labels or not
579 std::set<FeaturePtr> aNewFeatures, aKeptFeatures;
580 TDF_ChildIDIterator aLabIter(featuresLabel(), TDataStd_Comment::GetID());
581 for (; aLabIter.More(); aLabIter.Next()) {
582 TDF_Label aFeatureLabel = aLabIter.Value()->Label();
584 if (!myFeatures.IsBound(aFeatureLabel)) { // a new feature is inserted
586 aFeature = std::dynamic_pointer_cast<Model_Session>(ModelAPI_Session::get())->createFeature(
587 TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(aLabIter.Value())->Get())
588 .ToCString(), anOwner);
589 if (!aFeature) { // somethig is wrong, most probably, the opened document has invalid structure
590 Events_Error::send("Invalid type of object in the document");
591 aLabIter.Value()->Label().ForgetAllAttributes();
594 // this must be before "setData" to redo the sketch line correctly
595 myFeatures.Bind(aFeatureLabel, aFeature);
596 aNewFeatures.insert(aFeature);
597 initData(aFeature, aFeatureLabel, TAG_FEATURE_ARGUMENTS);
598 updateHistory(aFeature);
599 aFeature->setDisabled(false); // by default created feature is enabled (this allows to recreate the results before "setCurrent" is called)
601 // event: model is updated
602 ModelAPI_EventCreator::get()->sendUpdated(aFeature, aCreateEvent);
603 } else { // nothing is changed, both iterators are incremented
604 aFeature = myFeatures.Find(aFeatureLabel);
605 aKeptFeatures.insert(aFeature);
606 if (anUpdatedMap.Contains(aFeatureLabel)) {
607 ModelAPI_EventCreator::get()->sendUpdated(aFeature, anUpdateEvent);
612 // check all features are checked: if not => it was removed
613 NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFIter(myFeatures);
614 while (aFIter.More()) {
615 if (aKeptFeatures.find(aFIter.Value()) == aKeptFeatures.end()
616 && aNewFeatures.find(aFIter.Value()) == aNewFeatures.end()) {
617 FeaturePtr aFeature = aFIter.Value();
618 // event: model is updated
619 //if (aFeature->isInHistory()) {
620 ModelAPI_EventCreator::get()->sendDeleted(myDoc, ModelAPI_Feature::group());
622 // results of this feature must be redisplayed (hided)
623 // redisplay also removed feature (used for sketch and AISObject)
624 ModelAPI_EventCreator::get()->sendUpdated(aFeature, aRedispEvent);
625 updateHistory(aFeature);
627 // unbind after the "erase" call: on abort sketch is removes sub-objects that corrupts aFIter
628 myFeatures.UnBind(aFIter.Key());
629 // reinitialize iterator because unbind may corrupt the previous order in the map
630 aFIter.Initialize(myFeatures);
635 if (theUpdateReferences) {
636 synchronizeBackRefs();
638 // update results of the features (after features created because they may be connected, like sketch and sub elements)
639 // After synchronisation of back references because sketch must be set in sub-elements before "execute" by updateResults
640 std::list<FeaturePtr> aComposites; // composites must be updated after their subs (issue 360)
641 TDF_ChildIDIterator aLabIter2(featuresLabel(), TDataStd_Comment::GetID());
642 for (; aLabIter2.More(); aLabIter2.Next()) {
643 TDF_Label aFeatureLabel = aLabIter2.Value()->Label();
644 if (myFeatures.IsBound(aFeatureLabel)) { // a new feature is inserted
645 FeaturePtr aFeature = myFeatures.Find(aFeatureLabel);
646 if (std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature).get())
647 aComposites.push_back(aFeature);
648 updateResults(aFeature);
651 std::list<FeaturePtr>::iterator aComposite = aComposites.begin();
652 for(; aComposite != aComposites.end(); aComposite++) {
653 updateResults(*aComposite);
656 // the synchronize should be done after updateResults in order to correct back references of updated results
657 if (theUpdateReferences) {
658 synchronizeBackRefs();
660 if (!theUpdated.IsEmpty()) { // this means there is no control what was modified => remove history cash
664 anOwner->executeFeatures() = false;
665 aLoop->activateFlushes(isActive);
668 aLoop->flush(aCreateEvent);
669 aLoop->flush(aDeleteEvent);
670 aLoop->flush(anUpdateEvent);
671 aLoop->flush(aCreateEvent); // after update of features, there could be results created
672 aLoop->flush(aDeleteEvent); // or deleted
673 aLoop->flush(aRedispEvent);
674 aLoop->flush(aToHideEvent);
676 anOwner->executeFeatures() = true;
679 void Model_Objects::synchronizeBackRefs()
681 // keeps the concealed flags of result to catch the change and create created/deleted events
682 std::list<std::pair<ResultPtr, bool> > aConcealed;
683 // first cycle: erase all data about back-references
684 NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFeatures(myFeatures);
685 for(; aFeatures.More(); aFeatures.Next()) {
686 FeaturePtr aFeature = aFeatures.Value();
687 std::shared_ptr<Model_Data> aFData =
688 std::dynamic_pointer_cast<Model_Data>(aFeature->data());
690 aFData->eraseBackReferences();
692 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
693 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
694 for (; aRIter != aResults.cend(); aRIter++) {
695 std::shared_ptr<Model_Data> aResData =
696 std::dynamic_pointer_cast<Model_Data>((*aRIter)->data());
697 if (aResData.get()) {
698 aConcealed.push_back(std::pair<ResultPtr, bool>(*aRIter, (*aRIter)->isConcealed()));
699 aResData->eraseBackReferences();
701 // iterate sub-bodies of compsolid
702 ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(*aRIter);
704 int aNumSub = aComp->numberOfSubs();
705 for(int a = 0; a < aNumSub; a++) {
706 ResultPtr aSub = aComp->subResult(a);
707 std::shared_ptr<Model_Data> aResData =
708 std::dynamic_pointer_cast<Model_Data>(aSub->data());
709 if (aResData.get()) {
710 aConcealed.push_back(std::pair<ResultPtr, bool>(aSub, aSub->isConcealed()));
711 aResData->eraseBackReferences();
718 // second cycle: set new back-references: only features may have reference, iterate only them
719 ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
720 for(aFeatures.Initialize(myFeatures); aFeatures.More(); aFeatures.Next()) {
721 FeaturePtr aFeature = aFeatures.Value();
722 std::shared_ptr<Model_Data> aFData =
723 std::dynamic_pointer_cast<Model_Data>(aFeature->data());
725 std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
726 aFData->referencesToObjects(aRefs);
727 std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator
728 aRefsIter = aRefs.begin();
729 for(; aRefsIter != aRefs.end(); aRefsIter++) {
730 std::list<ObjectPtr>::iterator aRefTo = aRefsIter->second.begin();
731 for(; aRefTo != aRefsIter->second.end(); aRefTo++) {
733 std::shared_ptr<Model_Data> aRefData =
734 std::dynamic_pointer_cast<Model_Data>((*aRefTo)->data());
735 aRefData->addBackReference(aFeature, aRefsIter->first); // here the Concealed flag is updated
736 // update enable/disable status: the nested status must be equal to the composite
737 CompositeFeaturePtr aComp =
738 std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
740 FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>(*aRefTo);
741 if (aReferenced.get()) {
742 aReferenced->setDisabled(aComp->isDisabled());
750 std::list<std::pair<ResultPtr, bool> >::iterator aCIter = aConcealed.begin();
751 for(; aCIter != aConcealed.end(); aCIter++) {
752 if (aCIter->first->isConcealed() != aCIter->second) { // somethign is changed => produce event
753 if (aCIter->second) { // was concealed become not => creation event
754 static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
755 ModelAPI_EventCreator::get()->sendUpdated(aCIter->first, anEvent);
756 } else { // was not concealed become concealed => delete event
757 ModelAPI_EventCreator::get()->sendDeleted(myDoc, aCIter->first->groupName());
758 // redisplay for the viewer (it must be disappeared also)
759 static Events_ID EVENT_DISP =
760 Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
761 ModelAPI_EventCreator::get()->sendUpdated(aCIter->first, EVENT_DISP);
767 TDF_Label Model_Objects::resultLabel(
768 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theResultIndex)
770 const std::shared_ptr<Model_Data>& aData =
771 std::dynamic_pointer_cast<Model_Data>(theFeatureData);
772 return aData->label().Father().FindChild(TAG_FEATURE_RESULTS).FindChild(theResultIndex + 1);
775 void Model_Objects::storeResult(std::shared_ptr<ModelAPI_Data> theFeatureData,
776 std::shared_ptr<ModelAPI_Result> theResult,
777 const int theResultIndex)
779 theResult->setDoc(myDoc);
780 initData(theResult, resultLabel(theFeatureData, theResultIndex), TAG_FEATURE_ARGUMENTS);
781 if (theResult->data()->name().empty()) { // if was not initialized, generate event and set a name
782 std::stringstream aNewName;
783 aNewName<<theFeatureData->name();
784 // if there are several results (issue #899: any number of result), add unique prefix starting from second
785 if (theResultIndex > 0 || theResult->groupName() == ModelAPI_ResultBody::group())
786 aNewName<<"_"<<theResultIndex + 1;
787 theResult->data()->setName(aNewName.str());
791 std::shared_ptr<ModelAPI_ResultConstruction> Model_Objects::createConstruction(
792 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
794 TDF_Label aLab = resultLabel(theFeatureData, theIndex);
795 TDataStd_Comment::Set(aLab, ModelAPI_ResultConstruction::group().c_str());
796 ObjectPtr anOldObject = object(aLab);
797 std::shared_ptr<ModelAPI_ResultConstruction> aResult;
799 aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(anOldObject);
802 aResult = std::shared_ptr<ModelAPI_ResultConstruction>(new Model_ResultConstruction);
803 storeResult(theFeatureData, aResult, theIndex);
808 std::shared_ptr<ModelAPI_ResultBody> Model_Objects::createBody(
809 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
811 TDF_Label aLab = resultLabel(theFeatureData, theIndex);
812 // for feature create compsolid, but for result sub create body:
813 // only one level of recursion is supported now
814 ResultPtr aResultOwner = std::dynamic_pointer_cast<ModelAPI_Result>(theFeatureData->owner());
815 ObjectPtr anOldObject;
816 if (aResultOwner.get()) {
817 TDataStd_Comment::Set(aLab, ModelAPI_ResultBody::group().c_str());
818 } else { // in compsolid (higher level result) old object probably may be found
819 TDataStd_Comment::Set(aLab, ModelAPI_ResultCompSolid::group().c_str());
820 anOldObject = object(aLab);
822 std::shared_ptr<ModelAPI_ResultBody> aResult;
824 aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(anOldObject);
827 // create compsolid anyway; if it is compsolid, it will create sub-bodies internally
828 if (aResultOwner.get()) {
829 aResult = std::shared_ptr<ModelAPI_ResultBody>(new Model_ResultBody);
831 aResult = std::shared_ptr<ModelAPI_ResultBody>(new Model_ResultCompSolid);
833 storeResult(theFeatureData, aResult, theIndex);
838 std::shared_ptr<ModelAPI_ResultPart> Model_Objects::createPart(
839 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
841 TDF_Label aLab = resultLabel(theFeatureData, theIndex);
842 TDataStd_Comment::Set(aLab, ModelAPI_ResultPart::group().c_str());
843 ObjectPtr anOldObject = object(aLab);
844 std::shared_ptr<ModelAPI_ResultPart> aResult;
846 aResult = std::dynamic_pointer_cast<ModelAPI_ResultPart>(anOldObject);
849 aResult = std::shared_ptr<ModelAPI_ResultPart>(new Model_ResultPart);
850 storeResult(theFeatureData, aResult, theIndex);
855 std::shared_ptr<ModelAPI_ResultPart> Model_Objects::copyPart(
856 const std::shared_ptr<ModelAPI_ResultPart>& theOrigin,
857 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
859 std::shared_ptr<ModelAPI_ResultPart> aResult = createPart(theFeatureData, theIndex);
860 aResult->data()->reference(Model_ResultPart::BASE_REF_ID())->setValue(theOrigin);
864 std::shared_ptr<ModelAPI_ResultGroup> Model_Objects::createGroup(
865 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
867 TDF_Label aLab = resultLabel(theFeatureData, theIndex);
868 TDataStd_Comment::Set(aLab, ModelAPI_ResultGroup::group().c_str());
869 ObjectPtr anOldObject = object(aLab);
870 std::shared_ptr<ModelAPI_ResultGroup> aResult;
872 aResult = std::dynamic_pointer_cast<ModelAPI_ResultGroup>(anOldObject);
875 aResult = std::shared_ptr<ModelAPI_ResultGroup>(new Model_ResultGroup(theFeatureData));
876 storeResult(theFeatureData, aResult, theIndex);
881 std::shared_ptr<ModelAPI_ResultParameter> Model_Objects::createParameter(
882 const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
884 TDF_Label aLab = resultLabel(theFeatureData, theIndex);
885 TDataStd_Comment::Set(aLab, ModelAPI_ResultParameter::group().c_str());
886 ObjectPtr anOldObject = object(aLab);
887 std::shared_ptr<ModelAPI_ResultParameter> aResult;
889 aResult = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(anOldObject);
892 aResult = std::shared_ptr<ModelAPI_ResultParameter>(new Model_ResultParameter);
893 storeResult(theFeatureData, aResult, theIndex);
898 std::shared_ptr<ModelAPI_Feature> Model_Objects::feature(
899 const std::shared_ptr<ModelAPI_Result>& theResult)
901 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theResult->data());
903 TDF_Label aFeatureLab = aData->label().Father().Father().Father();
904 FeaturePtr aFeature = feature(aFeatureLab);
905 if (!aFeature.get() && aFeatureLab.Depth() > 1) { // this may be sub-result of result
906 aFeatureLab = aFeatureLab.Father().Father();
907 aFeature = feature(aFeatureLab);
914 std::string Model_Objects::featureResultGroup(FeaturePtr theFeature)
916 if (theFeature->data()->isValid()) {
917 TDF_ChildIterator aLabIter(resultLabel(theFeature->data(), 0).Father());
918 if (aLabIter.More()) {
919 TDF_Label anArgLab = aLabIter.Value();
920 Handle(TDataStd_Comment) aGroup;
921 if (aLabIter.Value().FindAttribute(TDataStd_Comment::GetID(), aGroup)) {
922 return TCollection_AsciiString(aGroup->Get()).ToCString();
926 static std::string anEmpty;
927 return anEmpty; // not found
930 void Model_Objects::updateResults(FeaturePtr theFeature)
932 // for not persistent is will be done by parametric updater automatically
933 //if (!theFeature->isPersistentResult()) return;
934 // check the existing results and remove them if there is nothing on the label
935 std::list<ResultPtr>::const_iterator aResIter = theFeature->results().cbegin();
936 while(aResIter != theFeature->results().cend()) {
937 ResultPtr aBody = std::dynamic_pointer_cast<ModelAPI_Result>(*aResIter);
939 std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(aBody->data());
940 if (!aData.get() || !aData->isValid() || (!aBody->isDisabled() && aData->isDeleted())) {
941 // found a disappeared result => remove it
942 theFeature->eraseResultFromList(aBody);
943 // start iterate from beginning because iterator is corrupted by removing
944 aResIter = theFeature->results().cbegin();
951 if (!theFeature->data() || !theFeature->data()->isValid() || theFeature->isDisabled())
953 // check that results are presented on all labels
954 int aResSize = theFeature->results().size();
955 TDF_ChildIterator aLabIter(resultLabel(theFeature->data(), 0).Father());
956 for(; aLabIter.More(); aLabIter.Next()) {
957 // here must be GUID of the feature
958 int aResIndex = aLabIter.Value().Tag() - 1;
960 if (aResSize <= aResIndex) {
961 TDF_Label anArgLab = aLabIter.Value();
962 Handle(TDataStd_Comment) aGroup;
963 if (anArgLab.FindAttribute(TDataStd_Comment::GetID(), aGroup)) {
964 if (aGroup->Get() == ModelAPI_ResultBody::group().c_str() ||
965 aGroup->Get() == ModelAPI_ResultCompSolid::group().c_str()) {
966 aNewBody = createBody(theFeature->data(), aResIndex);
967 } else if (aGroup->Get() == ModelAPI_ResultPart::group().c_str()) {
968 std::shared_ptr<ModelAPI_ResultPart> aNewP = createPart(theFeature->data(), aResIndex);
969 theFeature->setResult(aNewP, aResIndex);
970 if (!aNewP->partDoc().get())
971 theFeature->execute(); // create the part result: it is better to restore the previous result if it is possible
973 } else if (aGroup->Get() == ModelAPI_ResultConstruction::group().c_str()) {
974 theFeature->execute(); // construction shapes are needed for sketch solver
976 } else if (aGroup->Get() == ModelAPI_ResultGroup::group().c_str()) {
977 aNewBody = createGroup(theFeature->data(), aResIndex);
978 } else if (aGroup->Get() == ModelAPI_ResultParameter::group().c_str()) {
979 theFeature->attributeChanged("expression"); // just produce a value
982 Events_Error::send(std::string("Unknown type of result is found in the document:") +
983 TCollection_AsciiString(aGroup->Get()).ToCString());
986 if (aNewBody && !aNewBody->data()->isDeleted()) {
987 theFeature->setResult(aNewBody, aResIndex);
993 ResultPtr Model_Objects::findByName(const std::string theName)
995 NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator anObjIter(myFeatures);
996 for(; anObjIter.More(); anObjIter.Next()) {
997 FeaturePtr& aFeature = anObjIter.ChangeValue();
998 if (!aFeature.get() || aFeature->isDisabled()) // may be on close
1000 const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
1001 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
1002 for (; aRIter != aResults.cend(); aRIter++) {
1003 ResultPtr aRes = *aRIter;
1004 if (aRes.get() && aRes->data() && aRes->data()->isValid() && !aRes->isDisabled() &&
1005 aRes->data()->name() == theName) {
1014 FeaturePtr Model_Objects::nextFeature(FeaturePtr theCurrent, const bool theReverse)
1016 std::shared_ptr<Model_Data> aData = std::static_pointer_cast<Model_Data>(theCurrent->data());
1017 if (aData && aData->isValid()) {
1018 TDF_Label aFeatureLabel = aData->label().Father();
1019 Handle(TDataStd_ReferenceArray) aRefs;
1020 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1021 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) { // iterate all existing features
1022 TDF_Label aCurLab = aRefs->Value(a);
1023 if (aCurLab.IsEqual(aFeatureLabel)) {
1024 a += theReverse ? -1 : 1;
1025 if (a >= aRefs->Lower() && a <= aRefs->Upper())
1026 return feature(aRefs->Value(a));
1027 break; // finish iiteration: it's last feature
1032 return FeaturePtr(); // not found, last, or something is wrong
1035 FeaturePtr Model_Objects::firstFeature()
1037 Handle(TDataStd_ReferenceArray) aRefs;
1038 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1039 return feature(aRefs->Value(aRefs->Lower()));
1041 return FeaturePtr(); // no features at all
1044 FeaturePtr Model_Objects::lastFeature()
1046 Handle(TDataStd_ReferenceArray) aRefs;
1047 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1048 return feature(aRefs->Value(aRefs->Upper()));
1050 return FeaturePtr(); // no features at all
1053 bool Model_Objects::isLater(FeaturePtr theLater, FeaturePtr theCurrent) const
1055 std::shared_ptr<Model_Data> aLaterD = std::static_pointer_cast<Model_Data>(theLater->data());
1056 std::shared_ptr<Model_Data> aCurrentD = std::static_pointer_cast<Model_Data>(theCurrent->data());
1057 if (aLaterD && aLaterD->isValid() && aCurrentD && aCurrentD->isValid()) {
1058 TDF_Label aLaterL = aLaterD->label().Father();
1059 TDF_Label aCurrentL = aCurrentD->label().Father();
1060 int aLaterI = -1, aCurentI = -1; // not found yet state
1061 Handle(TDataStd_ReferenceArray) aRefs;
1062 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1063 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) { // iterate all existing features
1064 TDF_Label aCurLab = aRefs->Value(a);
1065 if (aCurLab.IsEqual(aLaterL)) {
1067 } else if (aCurLab.IsEqual(aCurrentL)) {
1070 if (aLaterI != -1 && aCurentI != -1) // both are found
1071 return aLaterI > aCurentI;
1075 return false; // not found, or something is wrong
1078 std::list<std::shared_ptr<ModelAPI_Feature> > Model_Objects::allFeatures()
1080 std::list<std::shared_ptr<ModelAPI_Feature> > aResult;
1081 Handle(TDataStd_ReferenceArray) aRefs;
1082 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1083 for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
1084 FeaturePtr aFeature = feature(aRefs->Value(a));
1086 aResult.push_back(aFeature);
1092 int Model_Objects::numInternalFeatures()
1094 Handle(TDataStd_ReferenceArray) aRefs;
1095 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1096 return aRefs->Upper() - aRefs->Lower() + 1;
1098 return 0; // invalid
1101 std::shared_ptr<ModelAPI_Feature> Model_Objects::internalFeature(const int theIndex)
1103 Handle(TDataStd_ReferenceArray) aRefs;
1104 if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
1105 return feature(aRefs->Value(aRefs->Lower() + theIndex));
1107 return FeaturePtr(); // invalid
1110 Standard_Integer HashCode(const TDF_Label& theLab, const Standard_Integer theUpper)
1112 return TDF_LabelMapHasher::HashCode(theLab, theUpper);
1115 Standard_Boolean IsEqual(const TDF_Label& theLab1, const TDF_Label& theLab2)
1117 return TDF_LabelMapHasher::IsEqual(theLab1, theLab2);