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