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     std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aReasonIter = aReasons.begin();
 409     for(; aReasonIter != aReasons.end(); aReasonIter++) {
 410       if (*aReasonIter != theFeature && (*aReasonIter)->data()->isValid()) {
 411         if (processFeature(*aReasonIter))
 412           aIsModified = true;
 413         if ((*aReasonIter)->data()->execState() == ModelAPI_StateInvalidArgument)
 414           isReferencedInvalid = true;
 415       }
 416     }
 417   } else { // check all features this feature depended on because here which one was modified is unknown
 418     std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 419     theFeature->data()->referencesToObjects(aDeps);
 420     std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 421       anAttrsIter = aDeps.begin();
 422     for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 423       if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 424         std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 425         for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 426           FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 427           if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 428             ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 429             if (aDepRes.get()) {
 430               aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 431             }
 432           }
 433           if (aDepFeat.get() && aDepFeat->data()->isValid()) {
 434             if (processFeature(aDepFeat))
 435               aIsModified = true;
 436             if (aDepFeat->data()->execState() == ModelAPI_StateInvalidArgument)
 437               isReferencedInvalid = true;
 438           }
 439         }
 440       }
 441     }
 442     if (theFeature->getKind() == "Part") { // part is not depended on its subs directly, but subs must be iterated anyway
 443       CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 444       int aNum = aPart->numberOfSubs();
 445       for(int a = 0; a < aNum; a++) {
 446         FeaturePtr aSub = aPart->subFeature(a);
 447         if (aSub.get() && aSub->data()->isValid()) {
 448           if (processFeature(aSub))
 449             aIsModified = true;
 450           if (aSub->data()->execState() == ModelAPI_StateInvalidArgument)
 451             isReferencedInvalid = true;
 452         }
 453       }
 454     }
 455   }
 456
 457   // do not execute the composite that contains the current
 458   bool isPostponedMain = false;
 459   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 460   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 461     CompositeFeaturePtr aCurrentOwner =
 462       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 463     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 464   }
 465
 466   #ifdef DEB_UPDATE
 467     std::cout<<"Update args "<<theFeature->name()<<std::endl;
 468   #endif
 469   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 470   updateArguments(theFeature);
 471
 472   // add this feature to the processed right now to be able remove it from this list on
 473   // update signal during this feature execution
 474   myModified.erase(theFeature);
 475   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 476     theFeature->data()->execState(ModelAPI_StateDone);
 477
 478   // this checking must be after the composite feature sub-elements processing:
 479   // composite feature status may depend on it's subelements
 480   if ((theFeature->data()->execState() == ModelAPI_StateInvalidArgument || isReferencedInvalid) &&
 481     theFeature->getKind() != "Part") { // don't disable Part because it will make disabled all the features (performance and problems with the current feature)
 482   #ifdef DEB_UPDATE
 483     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 484   #endif
 485     theFeature->eraseResults();
 486     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 487     return true; // so, feature is modified (results are erased)
 488   }
 489
 490   // execute feature if it must be updated
 491   ModelAPI_ExecState aState = theFeature->data()->execState();
 492   if (aFactory->validate(theFeature)) {
 493     if (!isPostponedMain) {
 494       executeFeature(theFeature);
 495     }
 496   } else {
 497     #ifdef DEB_UPDATE
 498       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 499     #endif
 500     theFeature->eraseResults();
 501     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 502   }
 503   return true;
 504 }
 505
 506 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 507 {
 508   // make updated and redisplay all results
 509   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 510
 511   std::list<ResultPtr> allResults;
 512   ModelAPI_Tools::allResults(theFeature, allResults);
 513   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 514   for (; aRIter != allResults.cend(); aRIter++) {
 515     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 516     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 517       aRes->data()->execState(theState);
 518     }
 519     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 520       aRes->data()->setUpdateID(theFeature->data()->updateID());
 521     }
 522     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 523   }
 524   // to redisplay "presentable" feature (for ex. distance constraint)
 525   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 526   theFeature->data()->execState(theState);
 527 }
 528
 529 /// Updates the state by the referenced object: if something bad with it, set state for this one
 530 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 531 {
 532   if (theTarget) {
 533     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 534     if (aRefState == ModelAPI_StateMustBeUpdated) {
 535       if (theCurrent == ModelAPI_StateDone)
 536         return ModelAPI_StateMustBeUpdated;
 537     } else if (aRefState != ModelAPI_StateDone) {
 538       return ModelAPI_StateInvalidArgument;
 539     }
 540   }
 541   return theCurrent;
 542 }
 543
 544 void Model_Update::updateArguments(FeaturePtr theFeature) {
 545   // perform this method also for disabled features: to make "not done" state for
 546   // features referenced to the active and modified features
 547
 548   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 549
 550   ModelAPI_ExecState aState = theFeature->data()->execState();
 551   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 552     aState = ModelAPI_StateMustBeUpdated;
 553   }
 554   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 555     aState = ModelAPI_StateMustBeUpdated;
 556   // check the parameters state
 557   // Integer
 558   {
 559     std::list<AttributePtr> anAttrinbutes =
 560       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 561     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 562     for(; anIter != anAttrinbutes.end(); anIter++) {
 563       AttributeIntegerPtr anAttribute =
 564         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 565       if (anAttribute.get() && !anAttribute->text().empty()) {
 566         if (myIsParamUpdated) {
 567           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 568         }
 569         if (anAttribute->expressionInvalid()) {
 570           aState = ModelAPI_StateInvalidArgument;
 571         }
 572       }
 573     }
 574   }
 575   // Double
 576   {
 577     std::list<AttributePtr> aDoubles =
 578       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 579     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 580     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 581       AttributeDoublePtr aDouble =
 582         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 583       if (aDouble.get() && !aDouble->text().empty()) {
 584         if (myIsParamUpdated) {
 585           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 586         }
 587         if (aDouble->expressionInvalid()) {
 588           aState = ModelAPI_StateInvalidArgument;
 589         }
 590       }
 591     }
 592   }
 593   // Point
 594   {
 595     std::list<AttributePtr> anAttributes =
 596       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 597     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 598     for(; anIter != anAttributes.end(); anIter++) {
 599       AttributePointPtr aPointAttribute =
 600         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 601       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 602           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 603         if (myIsParamUpdated) {
 604           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 605         }
 606         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 607           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 608           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 609           aState = ModelAPI_StateInvalidArgument;
 610       }
 611     }
 612   }
 613   // Point2D
 614   {
 615     std::list<AttributePtr> anAttributes =
 616       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 617     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 618     for(; anIter != anAttributes.end(); anIter++) {
 619       AttributePoint2DPtr aPoint2DAttribute =
 620         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 621       if (aPoint2DAttribute.get()) {
 622         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 623             !aPoint2DAttribute->textY().empty())) {
 624           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 625         }
 626         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 627           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 628           aState = ModelAPI_StateInvalidArgument;
 629       }
 630     }
 631   }
 632   // update the selection attributes if any
 633   list<AttributePtr> aRefs =
 634     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 635   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 636   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 637     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 638       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 639     ObjectPtr aContext = aSel->context();
 640     // update argument only if the referenced object is ready to use
 641     if (aContext.get() && !aContext->isDisabled()) {
 642       if (isReason(theFeature, aContext)) {
 643         if (!aSel->update()) { // this must be done on execution since it may be long operation
 644           bool isObligatory = !aFactory->isNotObligatory(
 645             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 646             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 647           if (isObligatory)
 648             aState = ModelAPI_StateInvalidArgument;
 649         }
 650       }
 651     } else if (aContext.get()) {
 652       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 653       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 654       if (isObligatory)
 655         aState = ModelAPI_StateInvalidArgument;
 656     }
 657   }
 658   // update the selection list attributes if any
 659   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 660   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 661     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 662       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 663     for(int a = aSel->size() - 1; a >= 0; a--) {
 664       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 665         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 666       if (aSelAttr) {
 667         ObjectPtr aContext = aSelAttr->context();
 668         // update argument only if the referenced object is ready to use
 669         if (aContext.get() && !aContext->isDisabled()) {
 670           if (isReason(theFeature, aContext)) {
 671             if (!aSelAttr->update()) {
 672               bool isObligatory = !aFactory->isNotObligatory(
 673                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 674                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 675               if (isObligatory)
 676                 aState = ModelAPI_StateInvalidArgument;
 677             }
 678           }
 679         } else if (aContext.get()) {
 680           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 681           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 682           if (isObligatory)
 683             aState = ModelAPI_StateInvalidArgument;
 684         }
 685       }
 686     }
 687   }
 688
 689   if (aState != ModelAPI_StateDone)
 690     theFeature->data()->execState(aState);
 691 }
 692
 693 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 694      std::shared_ptr<ModelAPI_Object> theReason)
 695 {
 696   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 697     ::iterator aReasonsIt = myModified.find(theFeature);
 698   if (aReasonsIt == myModified.end())
 699     return false; // this case only for not-previewed items update state, nothing is changed in args for it
 700   if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 701     return true; // any is reason if it contains itself
 702   FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 703   if (!aReasFeat.get()) { // try to get feature of this result
 704     ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 705     if (aReasRes.get())
 706       aReasFeat = theReason->document()->feature(aReasRes);
 707   }
 708   return aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end();
 709
 710 }
 711
 712 void Model_Update::executeFeature(FeaturePtr theFeature)
 713 {
 714 #ifdef DEB_UPDATE
 715   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 716 #endif
 717   // execute in try-catch to avoid internal problems of the feature
 718   ModelAPI_ExecState aState = ModelAPI_StateDone;
 719   theFeature->data()->execState(ModelAPI_StateDone);
 720   try {
 721     theFeature->execute();
 722     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 723       aState = ModelAPI_StateExecFailed;
 724     } else {
 725       aState = ModelAPI_StateDone;
 726     }
 727   } catch(...) {
 728     aState = ModelAPI_StateExecFailed;
 729     Events_InfoMessage("Model_Update",
 730       "Feature %1 has failed during the execution").arg(theFeature->getKind()).send();
 731   }
 732   // The macro feature has to be deleted in any case even its execution is failed
 733   myWaitForFinish.insert(theFeature);
 734   if (aState != ModelAPI_StateDone) {
 735     theFeature->eraseResults();
 736   }
 737   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 738   redisplayWithResults(theFeature, aState);
 739 }
 740
 741 void Model_Update::updateStability(void* theSender)
 742 {
 743   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 744   if (theSender) {
 745     bool added = false; // object may be was crated
 746     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 747     if (aSender && aSender->document()) {
 748       FeaturePtr aFeatureSender =
 749         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
 750       if (aFeatureSender.get()) {
 751         Model_Objects* aDocObjects =
 752           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
 753         if (aDocObjects) {
 754           //aDocObjects->synchronizeBackRefs();
 755           // remove or add all concealment refs from this feature
 756           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 757           aSender->data()->referencesToObjects(aRefs);
 758           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRefIt = aRefs.begin();
 759           for(; aRefIt != aRefs.end(); aRefIt++) {
 760             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
 761               continue; // take into account only concealed references (do not remove the sketch constraint and the edge on constraint edit)
 762             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
 763             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
 764             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
 765                // stability is only on results: feature to feature reference mean nested
 766               // features, that will remove nesting references
 767               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
 768                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
 769                 std::shared_ptr<Model_Data> aData =
 770                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
 771                 if (aFeatureSender->isStable()) {
 772                   aData->addBackReference(aFeatureSender, aRefIt->first);
 773                 } else {
 774                   aData->removeBackReference(aFeatureSender, aRefIt->first);
 775                   added = true; // remove of concealment may be caused creation of some result
 776                 }
 777               }
 778             }
 779           }
 780         }
 781       }
 782     }
 783     if (added) {
 784       static Events_Loop* aLoop = Events_Loop::loop();
 785       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
 786       aLoop->flush(kEventCreated);
 787     }
 788   }
 789 }