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