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