+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
+// File: Model_Objects.cxx
+// Created: 15 May 2015
+// Author: Mikhail PONIKAROV
+
+#include <Model_Objects.h>
+#include <Model_Data.h>
+#include <Model_Document.h>
+#include <Model_Events.h>
+#include <Model_Session.h>
+#include <Model_ResultPart.h>
+#include <Model_ResultConstruction.h>
+#include <Model_ResultBody.h>
+#include <Model_ResultGroup.h>
+#include <Model_ResultParameter.h>
+#include <ModelAPI_Validator.h>
+#include <ModelAPI_CompositeFeature.h>
+
+#include <Events_Loop.h>
+#include <Events_Error.h>
+
+#include <TDataStd_Integer.hxx>
+#include <TDataStd_Comment.hxx>
+#include <TDF_ChildIDIterator.hxx>
+#include <TDataStd_ReferenceArray.hxx>
+#include <TDataStd_HLabelArray1.hxx>
+#include <TDataStd_Name.hxx>
+#include <TDF_Reference.hxx>
+#include <TDF_ChildIDIterator.hxx>
+#include <TDF_LabelMapHasher.hxx>
+
+static const int TAG_OBJECTS = 2; // tag of the objects sub-tree (features, results)
+
+// feature sub-labels
+static const int TAG_FEATURE_ARGUMENTS = 1; ///< where the arguments are located
+static const int TAG_FEATURE_RESULTS = 2; ///< where the results are located
+
+///
+/// 0:1:2 - where features are located
+/// 0:1:2:N:1 - data of the feature N
+/// 0:1:2:N:2:K:1 - data of the K result of the feature N
+
+Model_Objects::Model_Objects(TDF_Label theMainLab) : myMain(theMainLab)
+{
+ // update all fields and recreate features and result objects if needed
+ synchronizeFeatures(false, true, true);
+}
+
+Model_Objects::~Model_Objects()
+{
+ // delete all features of this document
+ Events_Loop* aLoop = Events_Loop::loop();
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFeaturesIter(myFeatures);
+ for(; aFeaturesIter.More(); aFeaturesIter.Next()) {
+ FeaturePtr aFeature = aFeaturesIter.Value();
+ static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ ModelAPI_EventCreator::get()->sendDeleted(myDoc, ModelAPI_Feature::group());
+ ModelAPI_EventCreator::get()->sendUpdated(aFeature, EVENT_DISP);
+ aFeature->eraseResults();
+ aFeature->erase();
+ }
+ myFeatures.Clear();
+ aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_DELETED));
+ aLoop->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+
+}
+
+/// Appends to the array of references a new referenced label
+static void AddToRefArray(TDF_Label& theArrayLab, TDF_Label& theReferenced, TDF_Label& thePrevLab)
+{
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (!theArrayLab.FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ aRefs = TDataStd_ReferenceArray::Set(theArrayLab, 0, 0);
+ aRefs->SetValue(0, theReferenced);
+ } else { // extend array by one more element
+ Handle(TDataStd_HLabelArray1) aNewArray = new TDataStd_HLabelArray1(aRefs->Lower(),
+ aRefs->Upper() + 1);
+ int aPassedPrev = 0; // prev feature is found and passed
+ if (thePrevLab.IsNull()) { // null means that inserted feature must be the first
+ aNewArray->SetValue(aRefs->Lower(), theReferenced);
+ aPassedPrev = 1;
+ }
+ for (int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
+ aNewArray->SetValue(a + aPassedPrev, aRefs->Value(a));
+ if (!aPassedPrev && aRefs->Value(a).IsEqual(thePrevLab)) {
+ aPassedPrev = 1;
+ aNewArray->SetValue(a + 1, theReferenced);
+ }
+ }
+ if (!aPassedPrev) // not found: unknown situation
+ aNewArray->SetValue(aRefs->Upper() + 1, theReferenced);
+ aRefs->SetInternalArray(aNewArray);
+ }
+}
+
+void Model_Objects::addFeature(FeaturePtr theFeature, const FeaturePtr theAfterThis)
+{
+ if (!theFeature->isAction()) { // do not add action to the data model
+ TDF_Label aFeaturesLab = featuresLabel();
+ TDF_Label aFeatureLab = aFeaturesLab.NewChild();
+ initData(theFeature, aFeatureLab, TAG_FEATURE_ARGUMENTS);
+ // keep the feature ID to restore document later correctly
+ TDataStd_Comment::Set(aFeatureLab, theFeature->getKind().c_str());
+ myFeatures.Bind(aFeatureLab, theFeature);
+ // store feature in the features array
+ TDF_Label aPrevFeateureLab;
+ if (theAfterThis.get()) { // searching for the previous feature label
+ std::shared_ptr<Model_Data> aPrevData =
+ std::dynamic_pointer_cast<Model_Data>(theAfterThis->data());
+ if (aPrevData.get()) {
+ aPrevFeateureLab = aPrevData->label().Father();
+ }
+ }
+ AddToRefArray(aFeaturesLab, aFeatureLab, aPrevFeateureLab);
+ // event: feature is added
+ static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
+ ModelAPI_EventCreator::get()->sendUpdated(theFeature, anEvent);
+ theFeature->setDisabled(false); // by default created feature is enabled
+ updateHistory(ModelAPI_Feature::group());
+ }
+}
+
+/// Appends to the array of references a new referenced label.
+/// If theIndex is not -1, removes element at this index, not theReferenced.
+/// \returns the index of removed element
+static int RemoveFromRefArray(TDF_Label theArrayLab, TDF_Label theReferenced,
+ const int theIndex = -1)
+{
+ int aResult = -1; // no returned
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (theArrayLab.FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ if (aRefs->Length() == 1) { // just erase an array
+ if ((theIndex == -1 && aRefs->Value(0) == theReferenced) || theIndex == 0) {
+ theArrayLab.ForgetAttribute(TDataStd_ReferenceArray::GetID());
+ }
+ aResult = 0;
+ } else { // reduce the array
+ Handle(TDataStd_HLabelArray1) aNewArray = new TDataStd_HLabelArray1(aRefs->Lower(),
+ aRefs->Upper() - 1);
+ int aCount = aRefs->Lower();
+ for (int a = aCount; a <= aRefs->Upper(); a++, aCount++) {
+ if ((theIndex == -1 && aRefs->Value(a) == theReferenced) || theIndex == a) {
+ aCount--;
+ aResult = a;
+ } else {
+ aNewArray->SetValue(aCount, aRefs->Value(a));
+ }
+ }
+ aRefs->SetInternalArray(aNewArray);
+ }
+ }
+ return aResult;
+}
+
+void Model_Objects::refsToFeature(FeaturePtr theFeature,
+ std::set<std::shared_ptr<ModelAPI_Feature> >& theRefs, const bool isSendError)
+{
+ // check the feature: it must have no depended objects on it
+ // the dependencies can be in the feature results
+ std::list<ResultPtr>::const_iterator aResIter = theFeature->results().cbegin();
+ for(; aResIter != theFeature->results().cend(); aResIter++) {
+ ResultPtr aResult = (*aResIter);
+ std::shared_ptr<Model_Data> aData =
+ std::dynamic_pointer_cast<Model_Data>(aResult->data());
+ if (aData.get() != NULL) {
+ const std::set<AttributePtr>& aRefs = aData->refsToMe();
+ std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin(), aRefLast = aRefs.end();
+ for(; aRefIt != aRefLast; aRefIt++) {
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIt)->owner());
+ if (aFeature.get() != NULL)
+ theRefs.insert(aFeature);
+ }
+ }
+ }
+ // the dependencies can be in the feature itself
+ std::shared_ptr<Model_Data> aData =
+ std::dynamic_pointer_cast<Model_Data>(theFeature->data());
+ if (aData && !aData->refsToMe().empty()) {
+ const std::set<AttributePtr>& aRefs = aData->refsToMe();
+ std::set<AttributePtr>::const_iterator aRefIt = aRefs.begin(), aRefLast = aRefs.end();
+ for(; aRefIt != aRefLast; aRefIt++) {
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIt)->owner());
+ if (aFeature.get() != NULL)
+ theRefs.insert(aFeature);
+ }
+ }
+
+ if (!theRefs.empty() && isSendError) {
+ Events_Error::send(
+ "Feature '" + theFeature->data()->name() + "' is used and can not be deleted");
+ }
+}
+
+void Model_Objects::removeFeature(FeaturePtr theFeature)
+{
+ std::shared_ptr<Model_Data> aData = std::static_pointer_cast<Model_Data>(theFeature->data());
+ if (aData) {
+ TDF_Label aFeatureLabel = aData->label().Father();
+ if (myFeatures.IsBound(aFeatureLabel))
+ myFeatures.UnBind(aFeatureLabel);
+ else
+ return; // not found feature => do not remove
+
+ clearHistory(theFeature);
+ // checking that the sub-element of composite feature is removed: if yes, inform the owner
+ std::set<std::shared_ptr<ModelAPI_Feature> > aRefs;
+ refsToFeature(theFeature, aRefs, false);
+ std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aRefIter = aRefs.begin();
+ for(; aRefIter != aRefs.end(); aRefIter++) {
+ std::shared_ptr<ModelAPI_CompositeFeature> aComposite =
+ std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(*aRefIter);
+ if (aComposite.get()) {
+ aComposite->removeFeature(theFeature);
+ }
+ }
+ // erase fields
+ theFeature->erase();
+ static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
+ // erase all attributes under the label of feature
+ aFeatureLabel.ForgetAllAttributes();
+ // remove it from the references array
+ if (theFeature->isInHistory()) {
+ RemoveFromRefArray(featuresLabel(), aFeatureLabel);
+ }
+ // event: feature is deleted
+ ModelAPI_EventCreator::get()->sendDeleted(theFeature->document(), ModelAPI_Feature::group());
+ // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
+ Events_Loop::loop()->flush(EVENT_DISP);
+ updateHistory(ModelAPI_Feature::group());
+ }
+}
+
+void Model_Objects::clearHistory(ObjectPtr theObj)
+{
+ if (theObj) {
+ const std::string aGroup = theObj->groupName();
+ std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(aGroup);
+ if (aHIter != myHistory.end())
+ myHistory.erase(aHIter); // erase from map => this means that it is not synchronized
+ if (theObj->groupName() == ModelAPI_Feature::group()) { // clear results group of the feature
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
+ if (aFeature->firstResult().get())
+ clearHistory(aFeature->firstResult());
+ }
+ }
+}
+
+void Model_Objects::createHistory(const std::string& theGroupID)
+{
+ std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(theGroupID);
+ if (aHIter == myHistory.end()) {
+ myHistory[theGroupID] = std::vector<ObjectPtr>();
+ std::vector<ObjectPtr>& aResult = myHistory[theGroupID];
+ // iterate the array of references and get feature by feature from the array
+ bool isFeature = theGroupID == ModelAPI_Feature::group();
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) {
+ FeaturePtr aFeature = feature(aRefs->Value(a));
+ if (aFeature.get()) {
+ if (isFeature) { // here may be also disabled features
+ if (aFeature->isInHistory()) {
+ aResult.push_back(aFeature);
+ }
+ } else if (!aFeature->isDisabled()) { // iterate all results of not-disabled feature
+ const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
+ std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
+ for (; aRIter != aResults.cend(); aRIter++) {
+ ResultPtr aRes = *aRIter;
+ if (aRes->groupName() != theGroupID) break; // feature have only same group results
+ if (!aRes->isDisabled() && aRes->isInHistory() && !aRes->isConcealed()) {
+ aResult.push_back(*aRIter);
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+void Model_Objects::updateHistory(const std::shared_ptr<ModelAPI_Object> theObject)
+{
+ clearHistory(theObject);
+}
+
+void Model_Objects::updateHistory(const std::string theGroup)
+{
+ std::map<std::string, std::vector<ObjectPtr> >::iterator aHIter = myHistory.find(theGroup);
+ if (aHIter != myHistory.end())
+ myHistory.erase(aHIter); // erase from map => this means that it is not synchronized
+}
+
+FeaturePtr Model_Objects::feature(TDF_Label& theLabel) const
+{
+ if (myFeatures.IsBound(theLabel))
+ return myFeatures.Find(theLabel);
+ return FeaturePtr(); // not found
+}
+
+ObjectPtr Model_Objects::object(TDF_Label theLabel)
+{
+ // try feature by label
+ FeaturePtr aFeature = feature(theLabel);
+ if (aFeature)
+ return feature(theLabel);
+ TDF_Label aFeatureLabel = theLabel.Father().Father(); // let's suppose it is result
+ aFeature = feature(aFeatureLabel);
+ if (aFeature) {
+ const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
+ std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.cbegin();
+ for (; aRIter != aResults.cend(); aRIter++) {
+ std::shared_ptr<Model_Data> aResData = std::dynamic_pointer_cast<Model_Data>(
+ (*aRIter)->data());
+ if (aResData->label().Father().IsEqual(theLabel))
+ return *aRIter;
+ }
+ }
+ return FeaturePtr(); // not found
+}
+
+ObjectPtr Model_Objects::object(const std::string& theGroupID, const int theIndex)
+{
+ createHistory(theGroupID);
+ return myHistory[theGroupID][theIndex];
+}
+
+std::shared_ptr<ModelAPI_Object> Model_Objects::objectByName(
+ const std::string& theGroupID, const std::string& theName)
+{
+ createHistory(theGroupID);
+ std::vector<ObjectPtr>& allObjs = myHistory[theGroupID];
+ std::vector<ObjectPtr>::iterator anObjIter = allObjs.begin();
+ for(; anObjIter != allObjs.end(); anObjIter++) {
+ if ((*anObjIter)->data()->name() == theName)
+ return *anObjIter;
+ }
+ // not found
+ return ObjectPtr();
+}
+
+const int Model_Objects::index(std::shared_ptr<ModelAPI_Object> theObject)
+{
+ std::string aGroup = theObject->groupName();
+ createHistory(aGroup);
+ std::vector<ObjectPtr>& allObjs = myHistory[aGroup];
+ std::vector<ObjectPtr>::iterator anObjIter = allObjs.begin(); // iterate to search object
+ for(int anIndex = 0; anObjIter != allObjs.end(); anObjIter++, anIndex++) {
+ if ((*anObjIter) == theObject)
+ return anIndex;
+ }
+ // not found
+ return -1;
+}
+
+int Model_Objects::size(const std::string& theGroupID)
+{
+ createHistory(theGroupID);
+ return myHistory[theGroupID].size();
+}
+
+TDF_Label Model_Objects::featuresLabel() const
+{
+ return myMain.FindChild(TAG_OBJECTS);
+}
+
+void Model_Objects::setUniqueName(FeaturePtr theFeature)
+{
+ if (!theFeature->data()->name().empty())
+ return; // not needed, name is already defined
+ std::string aName; // result
+ // first count all features of such kind to start with index = count + 1
+ int aNumObjects = 0;
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFIter(myFeatures);
+ for (; aFIter.More(); aFIter.Next()) {
+ if (aFIter.Value()->getKind() == theFeature->getKind())
+ aNumObjects++;
+ }
+ // generate candidate name
+ std::stringstream aNameStream;
+ aNameStream << theFeature->getKind() << "_" << aNumObjects + 1;
+ aName = aNameStream.str();
+ // check this is unique, if not, increase index by 1
+ for (aFIter.Initialize(myFeatures); aFIter.More();) {
+ FeaturePtr aFeature = aFIter.Value();
+ bool isSameName = aFeature->data()->name() == aName;
+ if (!isSameName) { // check also results to avoid same results names (actual for Parts)
+ const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
+ std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
+ for (; aRIter != aResults.cend(); aRIter++) {
+ isSameName = (*aRIter)->data()->name() == aName;
+ }
+ }
+ if (isSameName) {
+ aNumObjects++;
+ std::stringstream aNameStream;
+ aNameStream << theFeature->getKind() << "_" << aNumObjects + 1;
+ aName = aNameStream.str();
+ // reinitialize iterator to make sure a new name is unique
+ aFIter.Initialize(myFeatures);
+ } else
+ aFIter.Next();
+ }
+ theFeature->data()->setName(aName);
+}
+
+void Model_Objects::initData(ObjectPtr theObj, TDF_Label theLab, const int theTag)
+{
+ std::shared_ptr<Model_Data> aData(new Model_Data);
+ aData->setLabel(theLab.FindChild(theTag));
+ aData->setObject(theObj);
+ theObj->setDoc(myDoc);
+ theObj->setData(aData);
+ FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObj);
+ if (aFeature) {
+ setUniqueName(aFeature); // must be before "initAttributes" because duplicate part uses name
+ }
+ theObj->initAttributes();
+}
+
+void Model_Objects::synchronizeFeatures(
+ const bool theMarkUpdated, const bool theUpdateReferences, const bool theFlush)
+{
+ Model_Document* anOwner = std::dynamic_pointer_cast<Model_Document>(myDoc).get();
+ if (!anOwner) // this may happen on creation of document: nothing there, so nothing to synchronize
+ return;
+ // after all updates, sends a message that groups of features were created or updated
+ Events_Loop* aLoop = Events_Loop::loop();
+ static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ static Events_ID aCreateEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
+ static Events_ID anUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
+ static Events_ID aRedispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ static Events_ID aDeleteEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
+ static Events_ID aToHideEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ aLoop->activateFlushes(false);
+
+ // update all objects by checking are they on labels or not
+ std::set<FeaturePtr> aNewFeatures, aKeptFeatures;
+ TDF_ChildIDIterator aLabIter(featuresLabel(), TDataStd_Comment::GetID());
+ for (; aLabIter.More(); aLabIter.Next()) {
+ TDF_Label aFeatureLabel = aLabIter.Value()->Label();
+ FeaturePtr aFeature;
+ if (!myFeatures.IsBound(aFeatureLabel)) { // a new feature is inserted
+ // create a feature
+ aFeature = std::dynamic_pointer_cast<Model_Session>(ModelAPI_Session::get())->createFeature(
+ TCollection_AsciiString(Handle(TDataStd_Comment)::DownCast(aLabIter.Value())->Get())
+ .ToCString(), anOwner);
+ if (!aFeature) { // somethig is wrong, most probably, the opened document has invalid structure
+ Events_Error::send("Invalid type of object in the document");
+ aLabIter.Value()->Label().ForgetAllAttributes();
+ continue;
+ }
+ // this must be before "setData" to redo the sketch line correctly
+ myFeatures.Bind(aFeatureLabel, aFeature);
+ aNewFeatures.insert(aFeature);
+ initData(aFeature, aFeatureLabel, TAG_FEATURE_ARGUMENTS);
+ updateHistory(aFeature);
+
+ // event: model is updated
+ ModelAPI_EventCreator::get()->sendUpdated(aFeature, aCreateEvent);
+ } else { // nothing is changed, both iterators are incremented
+ aFeature = myFeatures.Find(aFeatureLabel);
+ aKeptFeatures.insert(aFeature);
+ if (theMarkUpdated) {
+ ModelAPI_EventCreator::get()->sendUpdated(aFeature, anUpdateEvent);
+ }
+ }
+ }
+ // update results of the features (after features created because they may be connected, like sketch and sub elements)
+ std::list<FeaturePtr> aComposites; // composites must be updated after their subs (issue 360)
+ TDF_ChildIDIterator aLabIter2(featuresLabel(), TDataStd_Comment::GetID());
+ for (; aLabIter2.More(); aLabIter2.Next()) {
+ TDF_Label aFeatureLabel = aLabIter2.Value()->Label();
+ if (myFeatures.IsBound(aFeatureLabel)) { // a new feature is inserted
+ FeaturePtr aFeature = myFeatures.Find(aFeatureLabel);
+ if (std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature).get())
+ aComposites.push_back(aFeature);
+ updateResults(aFeature);
+ }
+ }
+ std::list<FeaturePtr>::iterator aComposite = aComposites.begin();
+ for(; aComposite != aComposites.end(); aComposite++) {
+ updateResults(*aComposite);
+ }
+
+ // check all features are checked: if not => it was removed
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFIter(myFeatures);
+ while (aFIter.More()) {
+ if (aKeptFeatures.find(aFIter.Value()) == aKeptFeatures.end()
+ && aNewFeatures.find(aFIter.Value()) == aNewFeatures.end()) {
+ FeaturePtr aFeature = aFIter.Value();
+ // event: model is updated
+ //if (aFeature->isInHistory()) {
+ ModelAPI_EventCreator::get()->sendDeleted(myDoc, ModelAPI_Feature::group());
+ //}
+ // results of this feature must be redisplayed (hided)
+ // redisplay also removed feature (used for sketch and AISObject)
+ ModelAPI_EventCreator::get()->sendUpdated(aFeature, aRedispEvent);
+ updateHistory(aFeature);
+ aFeature->erase();
+ // unbind after the "erase" call: on abort sketch is removes sub-objects that corrupts aFIter
+ myFeatures.UnBind(aFIter.Key());
+ // reinitialize iterator because unbind may corrupt the previous order in the map
+ aFIter.Initialize(myFeatures);
+ } else
+ aFIter.Next();
+ }
+
+ if (theUpdateReferences) {
+ synchronizeBackRefs();
+ }
+ if (theMarkUpdated) { // this means there is no control what was modified => remove history cash
+ myHistory.clear();
+ }
+
+ anOwner->executeFeatures() = false;
+ aLoop->activateFlushes(true);
+
+ if (theFlush) {
+ aLoop->flush(aCreateEvent);
+ aLoop->flush(aDeleteEvent);
+ aLoop->flush(anUpdateEvent);
+ aLoop->flush(aRedispEvent);
+ aLoop->flush(aToHideEvent);
+ }
+ anOwner->executeFeatures() = true;
+}
+
+void Model_Objects::synchronizeBackRefs()
+{
+ // keeps the concealed flags of result to catch the change and create created/deleted events
+ std::list<std::pair<ResultPtr, bool> > aConcealed;
+ // first cycle: erase all data about back-references
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFeatures(myFeatures);
+ for(; aFeatures.More(); aFeatures.Next()) {
+ FeaturePtr aFeature = aFeatures.Value();
+ std::shared_ptr<Model_Data> aFData =
+ std::dynamic_pointer_cast<Model_Data>(aFeature->data());
+ if (aFData) {
+ aFData->eraseBackReferences();
+ }
+ const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
+ std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
+ for (; aRIter != aResults.cend(); aRIter++) {
+ std::shared_ptr<Model_Data> aResData =
+ std::dynamic_pointer_cast<Model_Data>((*aRIter)->data());
+ if (aResData) {
+ aConcealed.push_back(std::pair<ResultPtr, bool>(*aRIter, (*aRIter)->isConcealed()));
+ aResData->eraseBackReferences();
+ }
+ }
+ }
+
+ // second cycle: set new back-references: only features may have reference, iterate only them
+ ModelAPI_ValidatorsFactory* aValidators = ModelAPI_Session::get()->validators();
+ for(aFeatures.Initialize(myFeatures); aFeatures.More(); aFeatures.Next()) {
+ FeaturePtr aFeature = aFeatures.Value();
+ std::shared_ptr<Model_Data> aFData =
+ std::dynamic_pointer_cast<Model_Data>(aFeature->data());
+ if (aFData) {
+ std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
+ aFData->referencesToObjects(aRefs);
+ std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator
+ aRefsIter = aRefs.begin();
+ for(; aRefsIter != aRefs.end(); aRefsIter++) {
+ std::list<ObjectPtr>::iterator aRefTo = aRefsIter->second.begin();
+ for(; aRefTo != aRefsIter->second.end(); aRefTo++) {
+ if (*aRefTo) {
+ std::shared_ptr<Model_Data> aRefData =
+ std::dynamic_pointer_cast<Model_Data>((*aRefTo)->data());
+ aRefData->addBackReference(aFeature, aRefsIter->first); // here the Concealed flag is updated
+ }
+ }
+ }
+ }
+ }
+ std::list<std::pair<ResultPtr, bool> >::iterator aCIter = aConcealed.begin();
+ for(; aCIter != aConcealed.end(); aCIter++) {
+ if (aCIter->first->isConcealed() != aCIter->second) { // somethign is changed => produce event
+ if (aCIter->second) { // was concealed become not => creation event
+ static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_CREATED);
+ ModelAPI_EventCreator::get()->sendUpdated(aCIter->first, anEvent);
+ } else { // was not concealed become concealed => delete event
+ ModelAPI_EventCreator::get()->sendDeleted(myDoc, aCIter->first->groupName());
+ // redisplay for the viewer (it must be disappeared also)
+ static Events_ID EVENT_DISP =
+ Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ ModelAPI_EventCreator::get()->sendUpdated(aCIter->first, EVENT_DISP);
+ }
+ }
+ }
+}
+
+TDF_Label Model_Objects::resultLabel(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theResultIndex)
+{
+ const std::shared_ptr<Model_Data>& aData =
+ std::dynamic_pointer_cast<Model_Data>(theFeatureData);
+ return aData->label().Father().FindChild(TAG_FEATURE_RESULTS).FindChild(theResultIndex + 1);
+}
+
+void Model_Objects::storeResult(std::shared_ptr<ModelAPI_Data> theFeatureData,
+ std::shared_ptr<ModelAPI_Result> theResult,
+ const int theResultIndex)
+{
+ theResult->setDoc(myDoc);
+ initData(theResult, resultLabel(theFeatureData, theResultIndex), TAG_FEATURE_ARGUMENTS);
+ if (theResult->data()->name().empty()) { // if was not initialized, generate event and set a name
+ std::stringstream aNewName;
+ aNewName<<theFeatureData->name();
+ if (theResultIndex > 0) // if there are several results, add unique prefix starting from second
+ aNewName<<"_"<<theResultIndex + 1;
+ theResult->data()->setName(aNewName.str());
+ }
+}
+
+std::shared_ptr<ModelAPI_ResultConstruction> Model_Objects::createConstruction(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
+{
+ TDF_Label aLab = resultLabel(theFeatureData, theIndex);
+ TDataStd_Comment::Set(aLab, ModelAPI_ResultConstruction::group().c_str());
+ ObjectPtr anOldObject = object(aLab);
+ std::shared_ptr<ModelAPI_ResultConstruction> aResult;
+ if (anOldObject) {
+ aResult = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(anOldObject);
+ }
+ if (!aResult) {
+ aResult = std::shared_ptr<ModelAPI_ResultConstruction>(new Model_ResultConstruction);
+ storeResult(theFeatureData, aResult, theIndex);
+ }
+ return aResult;
+}
+
+std::shared_ptr<ModelAPI_ResultBody> Model_Objects::createBody(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
+{
+ TDF_Label aLab = resultLabel(theFeatureData, theIndex);
+ TDataStd_Comment::Set(aLab, ModelAPI_ResultBody::group().c_str());
+ ObjectPtr anOldObject = object(aLab);
+ std::shared_ptr<ModelAPI_ResultBody> aResult;
+ if (anOldObject) {
+ aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(anOldObject);
+ }
+ if (!aResult) {
+ aResult = std::shared_ptr<ModelAPI_ResultBody>(new Model_ResultBody);
+ storeResult(theFeatureData, aResult, theIndex);
+ }
+ return aResult;
+}
+
+std::shared_ptr<ModelAPI_ResultPart> Model_Objects::createPart(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
+{
+ TDF_Label aLab = resultLabel(theFeatureData, theIndex);
+ TDataStd_Comment::Set(aLab, ModelAPI_ResultPart::group().c_str());
+ ObjectPtr anOldObject = object(aLab);
+ std::shared_ptr<ModelAPI_ResultPart> aResult;
+ if (anOldObject) {
+ aResult = std::dynamic_pointer_cast<ModelAPI_ResultPart>(anOldObject);
+ }
+ if (!aResult) {
+ aResult = std::shared_ptr<ModelAPI_ResultPart>(new Model_ResultPart);
+ storeResult(theFeatureData, aResult, theIndex);
+ }
+ return aResult;
+}
+
+std::shared_ptr<ModelAPI_ResultGroup> Model_Objects::createGroup(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
+{
+ TDF_Label aLab = resultLabel(theFeatureData, theIndex);
+ TDataStd_Comment::Set(aLab, ModelAPI_ResultGroup::group().c_str());
+ ObjectPtr anOldObject = object(aLab);
+ std::shared_ptr<ModelAPI_ResultGroup> aResult;
+ if (anOldObject) {
+ aResult = std::dynamic_pointer_cast<ModelAPI_ResultGroup>(anOldObject);
+ }
+ if (!aResult) {
+ aResult = std::shared_ptr<ModelAPI_ResultGroup>(new Model_ResultGroup(theFeatureData));
+ storeResult(theFeatureData, aResult, theIndex);
+ }
+ return aResult;
+}
+
+std::shared_ptr<ModelAPI_ResultParameter> Model_Objects::createParameter(
+ const std::shared_ptr<ModelAPI_Data>& theFeatureData, const int theIndex)
+{
+ TDF_Label aLab = resultLabel(theFeatureData, theIndex);
+ TDataStd_Comment::Set(aLab, ModelAPI_ResultParameter::group().c_str());
+ ObjectPtr anOldObject = object(aLab);
+ std::shared_ptr<ModelAPI_ResultParameter> aResult;
+ if (anOldObject) {
+ aResult = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(anOldObject);
+ }
+ if (!aResult) {
+ aResult = std::shared_ptr<ModelAPI_ResultParameter>(new Model_ResultParameter);
+ storeResult(theFeatureData, aResult, theIndex);
+ }
+ return aResult;
+}
+
+std::shared_ptr<ModelAPI_Feature> Model_Objects::feature(
+ const std::shared_ptr<ModelAPI_Result>& theResult)
+{
+ std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theResult->data());
+ if (aData) {
+ TDF_Label aFeatureLab = aData->label().Father().Father().Father();
+ return feature(aFeatureLab);
+ }
+ return FeaturePtr();
+}
+
+void Model_Objects::updateResults(FeaturePtr theFeature)
+{
+ // for not persistent is will be done by parametric updater automatically
+ //if (!theFeature->isPersistentResult()) return;
+ // check the existing results and remove them if there is nothing on the label
+ std::list<ResultPtr>::const_iterator aResIter = theFeature->results().cbegin();
+ while(aResIter != theFeature->results().cend()) {
+ ResultPtr aBody = std::dynamic_pointer_cast<ModelAPI_Result>(*aResIter);
+ if (aBody) {
+ if (!aBody->data()->isValid()) {
+ // found a disappeared result => remove it
+ theFeature->removeResult(aBody);
+ // start iterate from beginning because iterator is corrupted by removing
+ aResIter = theFeature->results().cbegin();
+ continue;
+ }
+ }
+ aResIter++;
+ }
+ // it may be on undo
+ if (!theFeature->data() || !theFeature->data()->isValid())
+ return;
+ // check that results are presented on all labels
+ int aResSize = theFeature->results().size();
+ TDF_ChildIterator aLabIter(resultLabel(theFeature->data(), 0).Father());
+ for(; aLabIter.More(); aLabIter.Next()) {
+ // here must be GUID of the feature
+ int aResIndex = aLabIter.Value().Tag() - 1;
+ ResultPtr aNewBody;
+ if (aResSize <= aResIndex) {
+ TDF_Label anArgLab = aLabIter.Value();
+ Handle(TDataStd_Comment) aGroup;
+ if (anArgLab.FindAttribute(TDataStd_Comment::GetID(), aGroup)) {
+ if (aGroup->Get() == ModelAPI_ResultBody::group().c_str()) {
+ aNewBody = createBody(theFeature->data(), aResIndex);
+ } else if (aGroup->Get() == ModelAPI_ResultPart::group().c_str()) {
+ aNewBody = createPart(theFeature->data(), aResIndex);
+ } else if (aGroup->Get() == ModelAPI_ResultConstruction::group().c_str()) {
+ theFeature->execute(); // construction shapes are needed for sketch solver
+ break;
+ } else if (aGroup->Get() == ModelAPI_ResultGroup::group().c_str()) {
+ aNewBody = createGroup(theFeature->data(), aResIndex);
+ } else if (aGroup->Get() == ModelAPI_ResultParameter::group().c_str()) {
+ theFeature->attributeChanged("expression"); // just produce a value
+ break;
+ } else {
+ Events_Error::send(std::string("Unknown type of result is found in the document:") +
+ TCollection_AsciiString(aGroup->Get()).ToCString());
+ }
+ }
+ if (aNewBody) {
+ theFeature->setResult(aNewBody, aResIndex);
+ }
+ }
+ }
+}
+
+ResultPtr Model_Objects::findByName(const std::string theName)
+{
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator anObjIter(myFeatures);
+ for(; anObjIter.More(); anObjIter.Next()) {
+ FeaturePtr& aFeature = anObjIter.ChangeValue();
+ if (!aFeature.get() || aFeature->isDisabled()) // may be on close
+ continue;
+ const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeature->results();
+ std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
+ for (; aRIter != aResults.cend(); aRIter++) {
+ ResultPtr aRes = *aRIter;
+ if (aRes.get() && aRes->data() && aRes->data()->isValid() && !aRes->isDisabled() &&
+ aRes->data()->name() == theName) {
+ return aRes;
+ }
+ }
+ }
+ // not found
+ return ResultPtr();
+}
+
+FeaturePtr Model_Objects::nextFeature(FeaturePtr theCurrent, const bool theReverse)
+{
+ std::shared_ptr<Model_Data> aData = std::static_pointer_cast<Model_Data>(theCurrent->data());
+ if (aData) {
+ TDF_Label aFeatureLabel = aData->label().Father();
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ for(int a = aRefs->Lower(); a <= aRefs->Upper(); a++) { // iterate all existing features
+ if (aRefs->Value(a).IsEqual(aFeatureLabel)) {
+ a += theReverse ? -1 : 1;
+ if (a >= aRefs->Lower() && a <= aRefs->Upper())
+ return feature(aRefs->Value(a));
+ break; // finish iiteration: it's last feature
+ }
+ }
+ }
+ }
+ return FeaturePtr(); // not found, last, or something is wrong
+}
+
+FeaturePtr Model_Objects::firstFeature()
+{
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ return feature(aRefs->Value(aRefs->Lower()));
+ }
+ return FeaturePtr(); // no features at all
+}
+
+FeaturePtr Model_Objects::lastFeature()
+{
+ Handle(TDataStd_ReferenceArray) aRefs;
+ if (featuresLabel().FindAttribute(TDataStd_ReferenceArray::GetID(), aRefs)) {
+ return feature(aRefs->Value(aRefs->Upper()));
+ }
+ return FeaturePtr(); // no features at all
+}
+
+Standard_Integer HashCode(const TDF_Label& theLab, const Standard_Integer theUpper)
+{
+ return TDF_LabelMapHasher::HashCode(theLab, theUpper);
+
+}
+Standard_Boolean IsEqual(const TDF_Label& theLab1, const TDF_Label& theLab2)
+{
+ return TDF_LabelMapHasher::IsEqual(theLab1, theLab2);
+}