src/Model/Model_Update.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_Update.cxx
   4 // Created:     25 Jun 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Model_Update.h>
   8 #include <Model_Document.h>
   9 #include <Model_Data.h>
  10 #include <Model_Objects.h>
  11 #include <Model_AttributeSelection.h>
  12 #include <ModelAPI_Feature.h>
  13 #include <ModelAPI_Data.h>
  14 #include <ModelAPI_Document.h>
  15 #include <ModelAPI_Events.h>
  16 #include <ModelAPI_AttributeReference.h>
  17 #include <ModelAPI_AttributeRefList.h>
  18 #include <ModelAPI_AttributeRefAttr.h>
  19 #include <ModelAPI_AttributeSelection.h>
  20 #include <ModelAPI_AttributeSelectionList.h>
  21 #include <ModelAPI_Result.h>
  22 #include <ModelAPI_ResultPart.h>
  23 #include <ModelAPI_Validator.h>
  24 #include <ModelAPI_CompositeFeature.h>
  25 #include <ModelAPI_Session.h>
  26 #include <ModelAPI_Tools.h>
  27 #include <GeomDataAPI_Point.h>
  28 #include <GeomDataAPI_Point2D.h>
  29 #include <Events_Loop.h>
  30 #include <Events_LongOp.h>
  31 #include <Events_InfoMessage.h>
  32 #include <Config_PropManager.h>
  33
  34 using namespace std;
  35
  36 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  37 //#define DEB_UPDATE
  38
  39 Model_Update::Model_Update()
  40 {
  41   Events_Loop* aLoop = Events_Loop::loop();
  42   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  43   aLoop->registerListener(this, kChangedEvent);
  44   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  45   aLoop->registerListener(this, kCreatedEvent);
  46   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  47   aLoop->registerListener(this, kUpdatedEvent);
  48   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  49   aLoop->registerListener(this, kOpFinishEvent);
  50   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  51   aLoop->registerListener(this, kOpAbortEvent);
  52   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  53   aLoop->registerListener(this, kOpStartEvent);
  54   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  55   aLoop->registerListener(this, kStabilityEvent);
  56   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
  57   aLoop->registerListener(this, kPreviewBlockedEvent);
  58   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
  59   aLoop->registerListener(this, kPreviewRequestedEvent);
  60   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
  61   aLoop->registerListener(this, kReorderEvent);
  62   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
  63   aLoop->registerListener(this, kUpdatedSel);
  64
  65   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  66   myIsParamUpdated = false;
  67   myIsFinish = false;
  68   myIsProcessed = false;
  69   myIsPreviewBlocked = false;
  70 }
  71
  72 bool Model_Update::addModified(FeaturePtr theFeature, FeaturePtr theReason) {
  73
  74   if (!theFeature->data()->isValid())
  75     return false; // delete an extrusion created on the sketch
  76
  77   bool isNotExecuted = theFeature->isPersistentResult() &&
  78     !std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures();
  79   if (isNotExecuted) {
  80     if (!theReason.get()) // no reason => no construction reason
  81       return false;
  82     if (myNotPersistentRefs.find(theFeature) == myNotPersistentRefs.end()) {
  83       myNotPersistentRefs[theFeature].insert(theReason);
  84     } else {
  85       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
  86       aNewSet.insert(theReason);
  87       myNotPersistentRefs[theFeature] = aNewSet;
  88     }
  89     return false;
  90   }
  91
  92   // update arguments for "apply button" state change
  93   if ((!theFeature->isPreviewNeeded() && !myIsFinish) || myIsPreviewBlocked) {
  94     myProcessOnFinish.insert(theFeature);
  95 #ifdef DEB_UPDATE
  96       std::cout<<"*** Add process on finish "<<theFeature->name()<<std::endl;
  97 #endif
  98     // keeps the currently updated features to avoid infinitive cycling here: where feature on
  99     // "updateArguments" sends "updated" (in selection attribute) and goes here again
 100     static std::set<FeaturePtr> aCurrentlyUpdated;
 101     if (aCurrentlyUpdated.find(theFeature) == aCurrentlyUpdated.end()) {
 102       aCurrentlyUpdated.insert(theFeature);
 103       updateArguments(theFeature);
 104       aCurrentlyUpdated.erase(theFeature);
 105     }
 106     // make it without conditions otherwise the apply button may have a bad state
 107     theFeature->data()->execState(ModelAPI_StateDone);
 108     static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 109     aFactory->validate(theFeature); // need to be validated to update the "Apply" state if not previewed
 110
 111     // to redisplay split's arguments presentation, even result is not computed
 112     if (!theFeature->isPreviewNeeded()) {
 113       static Events_Loop* aLoop = Events_Loop::loop();
 114       static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 115       ModelAPI_EventCreator::get()->sendUpdated(theFeature, kRedisplayEvent);
 116       aLoop->flush(kRedisplayEvent);
 117     }
 118
 119     if (!myIsPreviewBlocked)
 120       return true;
 121   }
 122   if (myModified.find(theFeature) != myModified.end()) {
 123     if (theReason.get()) {
 124 #ifdef DEB_UPDATE
 125       //std::cout<<"*** Add already modified "<<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 126 #endif
 127       myModified[theFeature].insert(theReason);
 128     }
 129     return true;
 130   }
 131   // do not add the disabled, but possibly the sub-elements are not disabled
 132   bool aIsDisabled = theFeature->isDisabled();
 133   if (!aIsDisabled) {
 134     std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 135     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated ||
 136         theFeature->data()->execState() == ModelAPI_StateInvalidArgument || // issue 1519
 137         theFeature->data()->execState() == ModelAPI_StateExecFailed) {
 138       // do not forget that in this case all were the reasons
 139       aNewSet.insert(theFeature);
 140     } else {
 141       if (theReason.get())
 142         aNewSet.insert(theReason);
 143     }
 144       myModified[theFeature] = aNewSet;
 145 #ifdef DEB_UPDATE
 146     if (theReason.get()) {
 147       //std::cout<<"*** Add modified "<<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 148     } else {
 149       //std::cout<<"*** Add modified "<<theFeature->name()<<std::endl;
 150     }
 151 #endif
 152   } else { // will be updated during the finish of the operation, or when it becomes enabled
 153     if (theFeature->data()->execState() == ModelAPI_StateDone ||
 154         theFeature->data()->execState() == ModelAPI_StateExecFailed) // fix issue 1819
 155       theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 156     else
 157       return true; // do not need iteration deeply if it is already marked as modified or so
 158 #ifdef DEB_UPDATE
 159     //std::cout<<"*** Set modified state "<<theFeature->name()<<std::endl;
 160 #endif
 161   }
 162   // clear processed and fill modified recursively
 163   const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 164   std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 165   for(; aRefIter != aRefs.cend(); aRefIter++) {
 166     if ((*aRefIter)->isArgument()) {
 167       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 168       if (aReferenced.get()) {
 169         addModified(aReferenced, theFeature);
 170       }
 171     }
 172   }
 173   // proccess also results
 174   std::list<ResultPtr> allResults; // list of this feature and results
 175   ModelAPI_Tools::allResults(theFeature, allResults);
 176   std::list<ResultPtr>::iterator aRes = allResults.begin();
 177   for(; aRes != allResults.end(); aRes++) {
 178     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*aRes)->data()->refsToMe();
 179     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 180     for(; aRefIter != aRefs.cend(); aRefIter++) {
 181       if ((*aRefIter)->isArgument()) {
 182         FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 183         if (aReferenced.get()) {
 184           addModified(aReferenced, theFeature);
 185         }
 186       }
 187     }
 188   }
 189
 190   // also add part feature that contains this feature to the modified
 191   if (theFeature->document()->kind() != "PartSet") {
 192     FeaturePtr aPart = ModelAPI_Tools::findPartFeature(
 193       ModelAPI_Session::get()->moduleDocument(), theFeature->document());
 194     if (aPart.get())
 195       addModified(aPart, theFeature);
 196   }
 197   return true;
 198 }
 199
 200 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 201 {
 202   static Events_Loop* aLoop = Events_Loop::loop();
 203   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 204   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 205   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
 206   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
 207   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
 208   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
 209   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
 210   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
 211   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
 212   static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 213   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
 214
 215 #ifdef DEB_UPDATE
 216   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
 217 #endif
 218   if (theMessage->eventID() == kStabilityEvent) {
 219     updateStability(theMessage->sender());
 220     return;
 221   }
 222   if (theMessage->eventID() == kPreviewBlockedEvent) {
 223     myIsPreviewBlocked = true;
 224     return;
 225   }
 226   if (theMessage->eventID() == kPreviewRequestedEvent) {
 227     if (myIsPreviewBlocked) {
 228       myIsPreviewBlocked = false;
 229       processFeatures();
 230       myIsPreviewBlocked = true;
 231     }
 232     return;
 233   }
 234   if (theMessage->eventID() == kUpdatedSel) {
 235     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 236         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 237     updateSelection(aMsg->objects());
 238   }
 239   // creation is added to "update" to avoid recomputation twice: on create and immediately after on update
 240   if (theMessage->eventID() == kCreatedEvent) {
 241     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 242         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 243     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 244     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 245     for(; anObjIter != anObjs.cend(); anObjIter++) {
 246       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures()) {
 247         if ((*anObjIter)->groupName() == ModelAPI_Feature::group()) { // results creation means enabling, not update
 248           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kUpdatedEvent);
 249         } else {
 250           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kRedisplayEvent);
 251         }
 252       }
 253     }
 254     return;
 255   }
 256   if (theMessage->eventID() == kUpdatedEvent) {
 257     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 258         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 259     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 260     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 261     bool aSomeModified = false; // check that features not changed: only redisplay is needed
 262     for(; anObjIter != anObjs.cend(); anObjIter++) {
 263       if (!(*anObjIter)->data()->isValid())
 264         continue;
 265 #ifdef DEB_UPDATE
 266       std::cout<<">>> in event updated "<<(*anObjIter)->groupName()<<" "<<(*anObjIter)->data()->name()<<std::endl;
 267 #endif
 268       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 269         myIsParamUpdated = true;
 270       }
 271       // on undo/redo, abort do not update persisten features
 272       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 273       if (anUpdated.get()) {
 274         if (addModified(anUpdated, FeaturePtr()))
 275           aSomeModified = true;
 276       } else { // process the updated result as update of features that refers to this result
 277         const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*anObjIter)->data()->refsToMe();
 278         std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 279         for(; aRefIter != aRefs.cend(); aRefIter++) {
 280           if (!(*aRefIter)->owner()->data()->isValid())
 281             continue;
 282           FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 283           if (anUpdated.get()) {
 284             if (addModified(anUpdated, FeaturePtr()))
 285               aSomeModified = true;
 286           }
 287         }
 288       }
 289     }
 290     // this event is for solver update, not here, do not react immediately
 291     if (aSomeModified) {
 292         processFeatures();
 293     }
 294   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 295       theMessage->eventID() == kOpStartEvent) {
 296     myIsPreviewBlocked = false;
 297
 298     if (theMessage->eventID() == kOpFinishEvent) {
 299       myIsFinish = true;
 300       // add features that wait for finish as modified
 301       std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aFeature = myProcessOnFinish.begin();
 302       for(; aFeature != myProcessOnFinish.end(); aFeature++)
 303         if ((*aFeature)->data()->isValid()) // there may be already removed wait for features
 304           addModified(*aFeature, FeaturePtr());
 305       myIsFinish = false;
 306     }
 307     myProcessOnFinish.clear(); // processed features must be only on finish, so clear anyway (to avoid reimport on load)
 308
 309     if (!(theMessage->eventID() == kOpStartEvent)) {
 310       processFeatures(false);
 311     }
 312     // remove all macros before clearing all created
 313     std::set<FeaturePtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 314     while(anUpdatedIter != myWaitForFinish.end()) {
 315       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 316       if (aFeature.get()) {
 317         // remove macro on finish
 318         if (aFeature->isMacro()) {
 319           aFeature->document()->removeFeature(aFeature);
 320           myWaitForFinish.erase(aFeature);
 321         }
 322         // to avoid the map update problems on "remove"
 323         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 324           anUpdatedIter = myWaitForFinish.begin();
 325         } else {
 326           anUpdatedIter++;
 327         }
 328       } else {
 329         anUpdatedIter++;
 330       }
 331     }
 332     // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
 333     // if should be done after removeFeature() of document,
 334     // by this reason, upper processFeatures() do not perform this flush
 335     Events_Loop::loop()->flush(kRedisplayEvent);
 336
 337     // in the end of transaction everything is updated, so clear the old objects
 338     myIsParamUpdated = false;
 339     myWaitForFinish.clear();
 340   } else if (theMessage->eventID() == kReorderEvent) {
 341     std::shared_ptr<ModelAPI_OrderUpdatedMessage> aMsg =
 342       std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
 343     if (aMsg->reordered().get())
 344       addModified(aMsg->reordered(), aMsg->reordered()); // to update all attributes
 345   }
 346 }
 347
 348 void Model_Update::processFeatures(const bool theFlushRedisplay)
 349 {
 350    // perform update of everything if it is not performed right now or any preview is blocked
 351   if (!myIsProcessed && !myIsPreviewBlocked) {
 352     myIsProcessed = true;
 353     #ifdef DEB_UPDATE
 354       std::cout<<"****** Start processing"<<std::endl;
 355     #endif
 356
 357     while(!myModified.empty()) {
 358       processFeature(myModified.begin()->first);
 359     }
 360     myIsProcessed = false;
 361
 362     // to update the object browser if something is updated/created during executions
 363     static Events_Loop* aLoop = Events_Loop::loop();
 364     static const Events_ID kCreatedEvent= aLoop->eventByName(EVENT_OBJECT_CREATED);
 365     aLoop->flush(kCreatedEvent);
 366     static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 367     aLoop->flush(kUpdatedEvent);
 368
 369     // flush to update display
 370     if (theFlushRedisplay) {
 371       static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 372       aLoop->flush(EVENT_DISP);
 373     }
 374     #ifdef DEB_UPDATE
 375       std::cout<<"****** End processing"<<std::endl;
 376     #endif
 377     myProcessed.clear();
 378   }
 379 }
 380
 381 // collects all the feautres this feature depends on: reasons
 382 static void allReasons(FeaturePtr theFeature, std::set<FeaturePtr>& theReasons) {
 383   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 384   theFeature->data()->referencesToObjects(aDeps);
 385   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 386     anAttrsIter = aDeps.begin();
 387   for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 388     if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 389       std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 390       for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 391         FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 392         if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 393           ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 394           if (aDepRes.get()) {
 395             aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 396           }
 397         }
 398         if (aDepFeat.get() && aDepFeat->data()->isValid()) {
 399           theReasons.insert(aDepFeat);
 400         }
 401       }
 402     }
 403   }
 404   if (theFeature->getKind() == "Part") { // part is not depended on its subs directly, but subs must be iterated anyway
 405     CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 406     int aNum = aPart->numberOfSubs();
 407     for(int a = 0; a < aNum; a++) {
 408       FeaturePtr aSub = aPart->subFeature(a);
 409       if (aSub.get() && aSub->data()->isValid()) {
 410         theReasons.insert(aSub);
 411       }
 412     }
 413   }
 414 }
 415
 416 bool Model_Update::processFeature(FeaturePtr theFeature)
 417 {
 418   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 419
 420   if (!theFeature->data()->isValid()) { // deleted feature, just remove from all containers
 421     if (myModified.find(theFeature) != myModified.end())
 422       myModified.erase(theFeature);
 423     return false;
 424   }
 425
 426   if (theFeature->isPersistentResult()) {
 427     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
 428       return false;
 429   }
 430
 431   if (myProcessed.find(theFeature) == myProcessed.end()) {
 432     myProcessed[theFeature] = 0;
 433   } else {
 434     int aCount = myProcessed[theFeature];
 435     if (aCount > 100) { // too many repetition of processing (in VS it may crash on 330 with stack overflow)
 436       Events_InfoMessage("Model_Update",
 437         "Feature '%1' is updated in infinitive loop").arg(theFeature->data()->name()).send();
 438       return false;
 439     }
 440     myProcessed[theFeature] = aCount + 1;
 441   }
 442
 443   // check this feature is not yet checked or processed
 444   bool aIsModified = myModified.find(theFeature) != myModified.end();
 445   if (!aIsModified && myIsFinish) { // get info about the modification for features without preview
 446     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 447       aIsModified = true;
 448       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 449       aNewSet.insert(theFeature); // contains itself, so, we don't know which was the reason and the reason is any
 450       myModified[theFeature] = aNewSet;
 451     }
 452   }
 453
 454 #ifdef DEB_UPDATE
 455     std::cout<<"* Process feature "<<theFeature->name()<<std::endl;
 456 #endif
 457
 458   // update the sketch plane before the sketch sub-elements are recomputed
 459   // (otherwise sketch will update plane, modify subs, after executed, but with old subs edges)
 460   if (aIsModified && theFeature->getKind() == "Sketch") {
 461 #ifdef DEB_UPDATE
 462     std::cout<<"****** Update sketch args "<<theFeature->name()<<std::endl;
 463 #endif
 464     AttributeSelectionPtr anExtSel = theFeature->selection("External");
 465     if (anExtSel.get()) {
 466       ResultPtr aContext = anExtSel->context();
 467       if (aContext.get() && aContext->document().get()) {
 468         FeaturePtr anExtBase = aContext->document()->feature(aContext);
 469         if (anExtBase.get()) {
 470           processFeature(anExtBase);
 471         }
 472       }
 473     }
 474     updateArguments(theFeature);
 475     // send event that sketch is prepared to be recomputed
 476     static Events_ID anID = Events_Loop::eventByName("SketchPrepared");
 477     std::shared_ptr<Events_Message> aMsg(new Events_Message(anID, this));
 478     Events_Loop::loop()->send(aMsg);
 479   }
 480
 481   if (!aIsModified) { // no modification is needed
 482     return false;
 483   }
 484
 485   // evaluate parameter before the sub-elements update: it updates dependencies on evaluation (#1085)
 486   if (theFeature->getKind() == "Parameter") {
 487     theFeature->execute();
 488   }
 489
 490   bool isReferencedInvalid = false;
 491   // check all features this feature depended on (recursive call of updateFeature)
 492   std::set<FeaturePtr>& aReasons = myModified[theFeature];
 493   bool allSubsUsed = aReasons.find(theFeature) != aReasons.end();
 494   if (allSubsUsed) { // add all subs in aReasons and temporary remove "theFeature" to avoid processing itself
 495     allReasons(theFeature, aReasons);
 496     aReasons.erase(theFeature);
 497   }
 498   // take reasons one by one (they may be added during the feature process (circle by the radius of sketch)
 499   std::set<FeaturePtr> aProcessedReasons;
 500   while(!aReasons.empty()) {
 501     FeaturePtr aReason = *(aReasons.begin());
 502 #ifdef DEB_UPDATE
 503     //cout<<theFeature->name()<<" process next reason "<<aReason->name()<<endl;
 504 #endif
 505     if (aReason != theFeature && (aReason)->data()->isValid()) {
 506       if (processFeature(aReason))
 507         aIsModified = true;
 508       if (aReason->data()->execState() == ModelAPI_StateInvalidArgument)
 509         isReferencedInvalid = true;
 510     }
 511     // searching for the next not used reason
 512     aProcessedReasons.insert(aReason);
 513     aReasons.erase(aReason);
 514   }
 515   // restore the modified reasons: they will be used in the update of arguments
 516   if (allSubsUsed) { // restore theFeature in this set
 517     aProcessedReasons.insert(theFeature);
 518   }
 519   myModified[theFeature] = aProcessedReasons;
 520
 521   // do not execute the composite that contains the current
 522   bool isPostponedMain = false;
 523   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 524   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 525     CompositeFeaturePtr aCurrentOwner =
 526       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 527     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 528   }
 529
 530 #ifdef DEB_UPDATE
 531   std::cout<<"Update args "<<theFeature->name()<<std::endl;
 532 #endif
 533   // TestImport.py : after arguments are updated, theFeature may be removed
 534   if (!theFeature->data()->isValid())
 535     return false;
 536   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 537   updateArguments(theFeature);
 538
 539   // add this feature to the processed right now to be able remove it from this list on
 540   // update signal during this feature execution
 541   myModified.erase(theFeature);
 542   if (myNotPersistentRefs.find(theFeature) != myNotPersistentRefs.end())
 543     myNotPersistentRefs.erase(theFeature);
 544   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 545     theFeature->data()->execState(ModelAPI_StateDone);
 546
 547   // this checking must be after the composite feature sub-elements processing:
 548   // composite feature status may depend on it's subelements
 549   if ((theFeature->data()->execState() == ModelAPI_StateInvalidArgument || isReferencedInvalid) &&
 550     theFeature->getKind() != "Part") { // don't disable Part because it will make disabled all the features (performance and problems with the current feature)
 551   #ifdef DEB_UPDATE
 552     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 553   #endif
 554     theFeature->eraseResults();
 555     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 556     return true; // so, feature is modified (results are erased)
 557   }
 558
 559   // execute feature if it must be updated
 560   ModelAPI_ExecState aState = theFeature->data()->execState();
 561   if (aFactory->validate(theFeature)) {
 562     if (!isPostponedMain) {
 563       executeFeature(theFeature);
 564     }
 565   } else {
 566     #ifdef DEB_UPDATE
 567       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 568     #endif
 569     theFeature->eraseResults();
 570     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 571   }
 572   return true;
 573 }
 574
 575 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 576 {
 577   // make updated and redisplay all results
 578   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 579
 580   std::list<ResultPtr> allResults;
 581   ModelAPI_Tools::allResults(theFeature, allResults);
 582   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 583   for (; aRIter != allResults.cend(); aRIter++) {
 584     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 585     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 586       aRes->data()->execState(theState);
 587     }
 588     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 589       aRes->data()->setUpdateID(theFeature->data()->updateID());
 590     }
 591     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 592   }
 593   // to redisplay "presentable" feature (for ex. distance constraint)
 594   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 595   theFeature->data()->execState(theState);
 596 }
 597
 598 /// Updates the state by the referenced object: if something bad with it, set state for this one
 599 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 600 {
 601   if (theTarget) {
 602     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 603     if (aRefState == ModelAPI_StateMustBeUpdated) {
 604       if (theCurrent == ModelAPI_StateDone)
 605         return ModelAPI_StateMustBeUpdated;
 606     } else if (aRefState != ModelAPI_StateDone) {
 607       return ModelAPI_StateInvalidArgument;
 608     }
 609   }
 610   return theCurrent;
 611 }
 612
 613 void Model_Update::updateArguments(FeaturePtr theFeature) {
 614   // perform this method also for disabled features: to make "not done" state for
 615   // features referenced to the active and modified features
 616
 617   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 618
 619   ModelAPI_ExecState aState = theFeature->data()->execState();
 620   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 621     aState = ModelAPI_StateMustBeUpdated;
 622   }
 623   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 624     aState = ModelAPI_StateMustBeUpdated;
 625   // check the parameters state
 626   // Integer
 627   {
 628     std::list<AttributePtr> anAttrinbutes =
 629       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 630     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 631     for(; anIter != anAttrinbutes.end(); anIter++) {
 632       AttributeIntegerPtr anAttribute =
 633         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 634       if (anAttribute.get() && !anAttribute->text().empty()) {
 635         if (myIsParamUpdated) {
 636           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 637         }
 638         if (anAttribute->expressionInvalid()) {
 639           aState = ModelAPI_StateInvalidArgument;
 640         }
 641       }
 642     }
 643   }
 644   // Double
 645   {
 646     std::list<AttributePtr> aDoubles =
 647       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 648     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 649     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 650       AttributeDoublePtr aDouble =
 651         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 652       if (aDouble.get() && !aDouble->text().empty()) {
 653         if (myIsParamUpdated) {
 654           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 655         }
 656         if (aDouble->expressionInvalid()) {
 657           aState = ModelAPI_StateInvalidArgument;
 658         }
 659       }
 660     }
 661   }
 662   // Point
 663   {
 664     std::list<AttributePtr> anAttributes =
 665       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 666     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 667     for(; anIter != anAttributes.end(); anIter++) {
 668       AttributePointPtr aPointAttribute =
 669         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 670       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 671           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 672         if (myIsParamUpdated) {
 673           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 674         }
 675         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 676           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 677           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 678           aState = ModelAPI_StateInvalidArgument;
 679       }
 680     }
 681   }
 682   // Point2D
 683   {
 684     std::list<AttributePtr> anAttributes =
 685       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 686     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 687     for(; anIter != anAttributes.end(); anIter++) {
 688       AttributePoint2DPtr aPoint2DAttribute =
 689         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 690       if (aPoint2DAttribute.get()) {
 691         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 692             !aPoint2DAttribute->textY().empty())) {
 693           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 694         }
 695         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 696           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 697           aState = ModelAPI_StateInvalidArgument;
 698       }
 699     }
 700   }
 701   // update the selection attributes if any
 702   list<AttributePtr> aRefs =
 703     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 704   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 705   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 706     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 707       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 708     ObjectPtr aContext = aSel->context();
 709     // update argument only if the referenced object is ready to use
 710     if (aContext.get() && !aContext->isDisabled()) {
 711       if (isReason(theFeature, aContext)) {
 712         if (!aSel->update()) { // this must be done on execution since it may be long operation
 713           bool isObligatory = !aFactory->isNotObligatory(
 714             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 715             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 716           if (isObligatory)
 717             aState = ModelAPI_StateInvalidArgument;
 718         }
 719       }
 720     } else if (aContext.get()) {
 721       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 722       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 723       if (isObligatory)
 724         aState = ModelAPI_StateInvalidArgument;
 725     }
 726   }
 727   // update the selection list attributes if any
 728   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 729   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 730     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 731       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 732     for(int a = aSel->size() - 1; a >= 0; a--) {
 733       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 734         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 735       if (aSelAttr) {
 736         ObjectPtr aContext = aSelAttr->context();
 737         // update argument only if the referenced object is ready to use
 738         if (aContext.get() && !aContext->isDisabled()) {
 739           if (isReason(theFeature, aContext)) {
 740             if (!aSelAttr->update()) {
 741               bool isObligatory = !aFactory->isNotObligatory(
 742                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 743                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 744               if (isObligatory)
 745                 aState = ModelAPI_StateInvalidArgument;
 746             }
 747           }
 748         } else if (aContext.get()) {
 749           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 750           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 751           if (isObligatory)
 752             aState = ModelAPI_StateInvalidArgument;
 753         }
 754       }
 755     }
 756   }
 757
 758   if (aState != ModelAPI_StateDone)
 759     theFeature->data()->execState(aState);
 760 }
 761
 762 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 763      std::shared_ptr<ModelAPI_Object> theReason)
 764 {
 765   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 766     ::iterator aReasonsIt = myModified.find(theFeature);
 767   if (aReasonsIt != myModified.end()) {
 768     if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 769       return true; // any is reason if it contains itself
 770     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 771     if (!aReasFeat.get()) { // try to get feature of this result
 772       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 773       if (aReasRes.get())
 774         aReasFeat = theReason->document()->feature(aReasRes);
 775     }
 776     if (aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end())
 777       return true;
 778   }
 779   // another try: postponed modification by not-persistences
 780   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 781     ::iterator aNotPersist = myNotPersistentRefs.find(theFeature);
 782   if (aNotPersist != myNotPersistentRefs.end()) {
 783     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 784     if (!aReasFeat.get()) { // try to get feature of this result
 785       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 786       if (aReasRes.get())
 787         aReasFeat = theReason->document()->feature(aReasRes);
 788     }
 789     if (aNotPersist->second.find(aReasFeat) != aNotPersist->second.end())
 790       return true;
 791   }
 792
 793   return false; // this case only for not-previewed items update state, nothing is changed in args for it
 794 }
 795
 796 void Model_Update::executeFeature(FeaturePtr theFeature)
 797 {
 798 #ifdef DEB_UPDATE
 799   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 800 #endif
 801   // execute in try-catch to avoid internal problems of the feature
 802   ModelAPI_ExecState aState = ModelAPI_StateDone;
 803   theFeature->data()->execState(ModelAPI_StateDone);
 804   try {
 805     theFeature->execute();
 806     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 807       aState = ModelAPI_StateExecFailed;
 808     } else {
 809       aState = ModelAPI_StateDone;
 810     }
 811   } catch(...) {
 812     aState = ModelAPI_StateExecFailed;
 813     Events_InfoMessage("Model_Update",
 814       "Feature %1 has failed during the execution").arg(theFeature->getKind()).send();
 815   }
 816   // The macro feature has to be deleted in any case even its execution is failed
 817   myWaitForFinish.insert(theFeature);
 818   if (aState != ModelAPI_StateDone) {
 819     theFeature->eraseResults();
 820   }
 821   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 822   redisplayWithResults(theFeature, aState);
 823 }
 824
 825 void Model_Update::updateStability(void* theSender)
 826 {
 827   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 828   if (theSender) {
 829     bool added = false; // object may be was crated
 830     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 831     if (aSender && aSender->document()) {
 832       FeaturePtr aFeatureSender =
 833         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
 834       if (aFeatureSender.get()) {
 835         Model_Objects* aDocObjects =
 836           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
 837         if (aDocObjects) {
 838           //aDocObjects->synchronizeBackRefs();
 839           // remove or add all concealment refs from this feature
 840           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 841           aSender->data()->referencesToObjects(aRefs);
 842           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRefIt = aRefs.begin();
 843           for(; aRefIt != aRefs.end(); aRefIt++) {
 844             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
 845               continue; // take into account only concealed references (do not remove the sketch constraint and the edge on constraint edit)
 846             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
 847             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
 848             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
 849                // stability is only on results: feature to feature reference mean nested
 850               // features, that will remove nesting references
 851               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
 852                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
 853                 std::shared_ptr<Model_Data> aData =
 854                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
 855                 if (aFeatureSender->isStable()) {
 856                   aData->addBackReference(aFeatureSender, aRefIt->first);
 857                 } else {
 858                   aData->removeBackReference(aFeatureSender, aRefIt->first);
 859                   added = true; // remove of concealment may be caused creation of some result
 860                 }
 861               }
 862             }
 863           }
 864         }
 865       }
 866     }
 867     if (added) {
 868       static Events_Loop* aLoop = Events_Loop::loop();
 869       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
 870       aLoop->flush(kEventCreated);
 871     }
 872   }
 873 }
 874
 875 void Model_Update::updateSelection(const std::set<std::shared_ptr<ModelAPI_Object> >& theObjects)
 876 {
 877   std::set<std::shared_ptr<ModelAPI_Object> >::iterator anObj = theObjects.begin();
 878   for(; anObj != theObjects.end(); anObj++) {
 879     list<AttributePtr> aRefs =
 880       (*anObj)->data()->attributes(ModelAPI_AttributeSelection::typeId());
 881     list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 882     for (; aRefsIter != aRefs.end(); aRefsIter++) {
 883       std::shared_ptr<Model_AttributeSelection> aSel =
 884         std::dynamic_pointer_cast<Model_AttributeSelection>(*aRefsIter);
 885       aSel->updateInHistory();
 886     }
 887     // update the selection list attributes if any
 888     aRefs = (*anObj)->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 889     for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 890       std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 891         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 892       for(int a = aSel->size() - 1; a >= 0; a--) {
 893         std::shared_ptr<Model_AttributeSelection> aSelAttr =
 894           std::dynamic_pointer_cast<Model_AttributeSelection>(aSel->value(a));
 895         if (aSelAttr.get())
 896           aSelAttr->updateInHistory();
 897       }
 898     }
 899   }
 900 }