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