src/Model/Model_Update.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_Update.cxx
   4 // Created:     25 Jun 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Model_Update.h>
   8 #include <Model_Document.h>
   9 #include <Model_Data.h>
  10 #include <Model_Objects.h>
  11 #include <ModelAPI_Feature.h>
  12 #include <ModelAPI_Data.h>
  13 #include <ModelAPI_Document.h>
  14 #include <ModelAPI_Events.h>
  15 #include <ModelAPI_AttributeReference.h>
  16 #include <ModelAPI_AttributeRefList.h>
  17 #include <ModelAPI_AttributeRefAttr.h>
  18 #include <ModelAPI_AttributeSelection.h>
  19 #include <ModelAPI_AttributeSelectionList.h>
  20 #include <ModelAPI_Result.h>
  21 #include <ModelAPI_ResultPart.h>
  22 #include <ModelAPI_Validator.h>
  23 #include <ModelAPI_CompositeFeature.h>
  24 #include <ModelAPI_Session.h>
  25 #include <ModelAPI_Tools.h>
  26 #include <GeomDataAPI_Point.h>
  27 #include <GeomDataAPI_Point2D.h>
  28 #include <Events_Loop.h>
  29 #include <Events_LongOp.h>
  30 #include <Events_InfoMessage.h>
  31 #include <Config_PropManager.h>
  32
  33 using namespace std;
  34
  35 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  36 //#define DEB_UPDATE
  37
  38 Model_Update::Model_Update()
  39 {
  40   Events_Loop* aLoop = Events_Loop::loop();
  41   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  42   aLoop->registerListener(this, kChangedEvent);
  43   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  44   aLoop->registerListener(this, kCreatedEvent);
  45   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  46   aLoop->registerListener(this, kUpdatedEvent);
  47   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  48   aLoop->registerListener(this, kOpFinishEvent);
  49   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  50   aLoop->registerListener(this, kOpAbortEvent);
  51   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  52   aLoop->registerListener(this, kOpStartEvent);
  53   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  54   aLoop->registerListener(this, kStabilityEvent);
  55   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
  56   aLoop->registerListener(this, kPreviewBlockedEvent);
  57   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
  58   aLoop->registerListener(this, kPreviewRequestedEvent);
  59   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
  60   aLoop->registerListener(this, kReorderEvent);
  61
  62   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  63   myIsParamUpdated = false;
  64   myIsFinish = false;
  65   myIsProcessed = false;
  66   myIsPreviewBlocked = false;
  67 }
  68
  69 bool Model_Update::addModified(FeaturePtr theFeature, FeaturePtr theReason) {
  70
  71   if (!theFeature->data()->isValid())
  72     return false; // delete an extrusion created on the sketch
  73
  74   if (theFeature->isPersistentResult()) {
  75     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
  76       return false;
  77   }
  78
  79   // update arguments for "apply button" state change
  80   if ((!theFeature->isPreviewNeeded() && !myIsFinish) || myIsPreviewBlocked) {
  81     myProcessOnFinish.insert(theFeature);
  82 #ifdef DEB_UPDATE
  83       std::cout<<"*** Add process on finish "<<theFeature->name()<<std::endl;
  84 #endif
  85     // keeps the currently updated features to avoid infinitive cycling here: where feature on
  86     // "updateArguments" sends "updated" (in selection attribute) and goes here again
  87     static std::set<FeaturePtr> aCurrentlyUpdated;
  88     if (aCurrentlyUpdated.find(theFeature) == aCurrentlyUpdated.end()) {
  89       aCurrentlyUpdated.insert(theFeature);
  90       updateArguments(theFeature);
  91       aCurrentlyUpdated.erase(theFeature);
  92     }
  93     // make it without conditions otherwise the apply button may have a bad state
  94     theFeature->data()->execState(ModelAPI_StateDone);
  95     static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
  96     aFactory->validate(theFeature); // need to be validated to update the "Apply" state if not previewed
  97
  98     if (!myIsPreviewBlocked)
  99       return true;
 100   }
 101   if (myModified.find(theFeature) != myModified.end()) {
 102     if (theReason.get()) {
 103 #ifdef DEB_UPDATE
 104       std::cout<<"*** Add already modified "<<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 105 #endif
 106       myModified[theFeature].insert(theReason);
 107     }
 108     return true;
 109   }
 110   // do not add the disabled, but possibly the sub-elements are not disabled
 111   bool aIsDisabled = theFeature->isDisabled();
 112   if (!aIsDisabled) {
 113     std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 114     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated ||
 115         theFeature->data()->execState() == ModelAPI_StateInvalidArgument) { // issue 1519
 116       // do not forget that in this case all were the reasons
 117       aNewSet.insert(theFeature);
 118     } else {
 119       if (theReason.get())
 120         aNewSet.insert(theReason);
 121     }
 122     myModified[theFeature] = aNewSet;
 123 #ifdef DEB_UPDATE
 124     if (theReason.get())
 125       std::cout<<"*** Add modified "<<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 126     else
 127       std::cout<<"*** Add modified "<<theFeature->name()<<std::endl;
 128 #endif
 129   } else { // will be updated during the finish of the operation, or when it becomes enabled
 130     if (theFeature->data()->execState() == ModelAPI_StateDone)
 131       theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 132     else
 133       return true; // do not need iteration deeply if it is already marked as modified or so
 134 #ifdef DEB_UPDATE
 135     std::cout<<"*** Set modified state "<<theFeature->name()<<std::endl;
 136 #endif
 137   }
 138   // clear processed and fill modified recursively
 139   const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 140   std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 141   for(; aRefIter != aRefs.cend(); aRefIter++) {
 142     if ((*aRefIter)->isArgument()) {
 143       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 144       if (aReferenced.get()) {
 145         addModified(aReferenced, theFeature);
 146       }
 147     }
 148   }
 149   // proccess also results
 150   std::list<ResultPtr> allResults; // list of this feature and results
 151   ModelAPI_Tools::allResults(theFeature, allResults);
 152   std::list<ResultPtr>::iterator aRes = allResults.begin();
 153   for(; aRes != allResults.end(); aRes++) {
 154     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*aRes)->data()->refsToMe();
 155     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 156     for(; aRefIter != aRefs.cend(); aRefIter++) {
 157       if ((*aRefIter)->isArgument()) {
 158         FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 159         if (aReferenced.get()) {
 160           addModified(aReferenced, theFeature);
 161         }
 162       }
 163     }
 164   }
 165
 166   // also add part feature that contains this feature to the modified
 167   if (theFeature->document()->kind() != "PartSet") {
 168     FeaturePtr aPart = ModelAPI_Tools::findPartFeature(
 169       ModelAPI_Session::get()->moduleDocument(), theFeature->document());
 170     if (aPart.get())
 171       addModified(aPart, theFeature);
 172   }
 173   return true;
 174 }
 175
 176 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 177 {
 178   static Events_Loop* aLoop = Events_Loop::loop();
 179   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 180   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 181   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
 182   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
 183   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
 184   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
 185   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
 186   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
 187   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
 188   static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 189
 190 #ifdef DEB_UPDATE
 191   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
 192 #endif
 193   if (theMessage->eventID() == kStabilityEvent) {
 194     updateStability(theMessage->sender());
 195     return;
 196   }
 197   if (theMessage->eventID() == kPreviewBlockedEvent) {
 198     myIsPreviewBlocked = true;
 199     return;
 200   }
 201   if (theMessage->eventID() == kPreviewRequestedEvent) {
 202     if (myIsPreviewBlocked) {
 203       myIsPreviewBlocked = false;
 204       processFeatures();
 205       myIsPreviewBlocked = true;
 206     }
 207     return;
 208   }
 209   // creation is added to "update" to avoid recomputation twice: on create and immediately after on update
 210   if (theMessage->eventID() == kCreatedEvent) {
 211     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 212         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 213     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 214     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 215     for(; anObjIter != anObjs.cend(); anObjIter++) {
 216       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures()) {
 217         if ((*anObjIter)->groupName() == ModelAPI_Feature::group()) { // results creation means enabling, not update
 218           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kUpdatedEvent);
 219         } else {
 220           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kRedisplayEvent);
 221         }
 222       }
 223     }
 224     return;
 225   }
 226   if (theMessage->eventID() == kUpdatedEvent) {
 227     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 228         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 229     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 230     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 231     bool aSomeModified = false; // check that features not changed: only redisplay is needed
 232     for(; anObjIter != anObjs.cend(); anObjIter++) {
 233       if (!(*anObjIter)->data()->isValid())
 234         continue;
 235 #ifdef DEB_UPDATE
 236       std::cout<<">>> in event updated "<<(*anObjIter)->groupName()<<" "<<(*anObjIter)->data()->name()<<std::endl;
 237 #endif
 238       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 239         myIsParamUpdated = true;
 240       }
 241       // on undo/redo, abort do not update persisten features
 242       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 243       if (anUpdated.get()) {
 244         if (addModified(anUpdated, FeaturePtr()))
 245           aSomeModified = true;
 246       } else { // process the updated result as update of features that refers to this result
 247         const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*anObjIter)->data()->refsToMe();
 248         std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 249         for(; aRefIter != aRefs.cend(); aRefIter++) {
 250           if (!(*aRefIter)->owner()->data()->isValid())
 251             continue;
 252           FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 253           if (anUpdated.get()) {
 254             if (addModified(anUpdated, FeaturePtr()))
 255               aSomeModified = true;
 256           }
 257         }
 258       }
 259     }
 260     // this event is for solver update, not here, do not react immediately
 261     if (aSomeModified) {
 262         processFeatures();
 263     }
 264   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 265       theMessage->eventID() == kOpStartEvent) {
 266     myIsPreviewBlocked = false;
 267
 268     if (theMessage->eventID() == kOpFinishEvent) {
 269       myIsFinish = true;
 270       // add features that wait for finish as modified
 271       std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aFeature = myProcessOnFinish.begin();
 272       for(; aFeature != myProcessOnFinish.end(); aFeature++)
 273         if ((*aFeature)->data()->isValid()) // there may be already removed wait for features
 274           addModified(*aFeature, FeaturePtr());
 275       myIsFinish = false;
 276     }
 277     myProcessOnFinish.clear(); // processed features must be only on finish, so clear anyway (to avoid reimport on load)
 278
 279     if (!(theMessage->eventID() == kOpStartEvent)) {
 280       processFeatures(false);
 281     }
 282     // remove all macros before clearing all created
 283     std::set<FeaturePtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 284     while(anUpdatedIter != myWaitForFinish.end()) {
 285       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 286       if (aFeature.get()) {
 287         // remove macro on finish
 288         if (aFeature->isMacro()) {
 289           aFeature->document()->removeFeature(aFeature);
 290           myWaitForFinish.erase(aFeature);
 291         }
 292         // to avoid the map update problems on "remove"
 293         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 294           anUpdatedIter = myWaitForFinish.begin();
 295         } else {
 296           anUpdatedIter++;
 297         }
 298       } else {
 299         anUpdatedIter++;
 300       }
 301     }
 302     // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
 303     // if should be done after removeFeature() of document,
 304     // by this reason, upper processFeatures() do not perform this flush
 305     Events_Loop::loop()->flush(kRedisplayEvent);
 306
 307     // in the end of transaction everything is updated, so clear the old objects
 308     myIsParamUpdated = false;
 309     myWaitForFinish.clear();
 310   } else if (theMessage->eventID() == kReorderEvent) {
 311     std::shared_ptr<ModelAPI_OrderUpdatedMessage> aMsg =
 312       std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
 313     addModified(aMsg->reordered(), aMsg->reordered()); // to update all attributes
 314   }
 315 }
 316
 317 void Model_Update::processFeatures(const bool theFlushRedisplay)
 318 {
 319    // perform update of everything if it is not performed right now or any preview is blocked
 320   if (!myIsProcessed && !myIsPreviewBlocked) {
 321     myIsProcessed = true;
 322     #ifdef DEB_UPDATE
 323       std::cout<<"****** Start processing"<<std::endl;
 324     #endif
 325
 326     while(!myModified.empty()) {
 327       processFeature(myModified.begin()->first);
 328     }
 329     myIsProcessed = false;
 330
 331     // to update the object browser if something is updated/created during executions
 332     static Events_Loop* aLoop = Events_Loop::loop();
 333     static const Events_ID kCreatedEvent= aLoop->eventByName(EVENT_OBJECT_CREATED);
 334     aLoop->flush(kCreatedEvent);
 335     static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 336     aLoop->flush(kUpdatedEvent);
 337
 338     // flush to update display
 339     if (theFlushRedisplay) {
 340       static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 341       aLoop->flush(EVENT_DISP);
 342     }
 343     #ifdef DEB_UPDATE
 344       std::cout<<"****** End processing"<<std::endl;
 345     #endif
 346     myProcessed.clear();
 347   }
 348 }
 349
 350 // collects all the feautres this feature depends on: reasons
 351 static void allReasons(FeaturePtr theFeature, std::set<FeaturePtr>& theReasons) {
 352   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 353   theFeature->data()->referencesToObjects(aDeps);
 354   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 355     anAttrsIter = aDeps.begin();
 356   for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 357     if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 358       std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 359       for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 360         FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 361         if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 362           ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 363           if (aDepRes.get()) {
 364             aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 365           }
 366         }
 367         if (aDepFeat.get() && aDepFeat->data()->isValid()) {
 368           theReasons.insert(aDepFeat);
 369         }
 370       }
 371     }
 372   }
 373   if (theFeature->getKind() == "Part") { // part is not depended on its subs directly, but subs must be iterated anyway
 374     CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 375     int aNum = aPart->numberOfSubs();
 376     for(int a = 0; a < aNum; a++) {
 377       FeaturePtr aSub = aPart->subFeature(a);
 378       if (aSub.get() && aSub->data()->isValid()) {
 379         theReasons.insert(aSub);
 380       }
 381     }
 382   }
 383 }
 384
 385 bool Model_Update::processFeature(FeaturePtr theFeature)
 386 {
 387   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 388
 389   if (!theFeature->data()->isValid()) { // deleted feature, just remove from all containers
 390     if (myModified.find(theFeature) != myModified.end())
 391       myModified.erase(theFeature);
 392     return false;
 393   }
 394
 395   if (theFeature->isPersistentResult()) {
 396     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
 397       return false;
 398   }
 399
 400   if (myProcessed.find(theFeature) == myProcessed.end()) {
 401     myProcessed[theFeature] = 0;
 402   } else {
 403     int aCount = myProcessed[theFeature];
 404     if (aCount > 100) { // too many repetition of processing (in VS it may crash on 330 with stack overflow)
 405       Events_InfoMessage("Model_Update",
 406         "Feature '%1' is updated in infinitive loop").arg(theFeature->data()->name()).send();
 407       return false;
 408     }
 409     myProcessed[theFeature] = aCount + 1;
 410   }
 411
 412   // check this feature is not yet checked or processed
 413   bool aIsModified = myModified.find(theFeature) != myModified.end();
 414   if (!aIsModified && myIsFinish) { // get info about the modification for features without preview
 415     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 416       aIsModified = true;
 417       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 418       aNewSet.insert(theFeature); // contains itself, so, we don't know which was the reason and the reason is any
 419       myModified[theFeature] = aNewSet;
 420     }
 421   }
 422
 423 #ifdef DEB_UPDATE
 424     std::cout<<"* Process feature "<<theFeature->name()<<std::endl;
 425 #endif
 426
 427   // update the sketch plane before the sketch sub-elements are recomputed
 428   // (otherwise sketch will update plane, modify subs, after executed, but with old subs edges)
 429   if (aIsModified && theFeature->getKind() == "Sketch") {
 430 #ifdef DEB_UPDATE
 431     std::cout<<"****** Update sketch args "<<theFeature->name()<<std::endl;
 432 #endif
 433     AttributeSelectionPtr anExtSel = theFeature->selection("External");
 434     if (anExtSel.get()) {
 435       ResultPtr aContext = anExtSel->context();
 436       if (aContext.get() && aContext->document().get()) {
 437         FeaturePtr anExtBase = aContext->document()->feature(aContext);
 438         if (anExtBase.get()) {
 439           processFeature(anExtBase);
 440         }
 441       }
 442     }
 443     updateArguments(theFeature);
 444   }
 445
 446   if (!aIsModified) { // no modification is needed
 447     return false;
 448   }
 449
 450   // evaluate parameter before the sub-elements update: it updates dependencies on evaluation (#1085)
 451   if (theFeature->getKind() == "Parameter") {
 452     theFeature->execute();
 453   }
 454
 455   bool isReferencedInvalid = false;
 456   // check all features this feature depended on (recursive call of updateFeature)
 457   std::set<FeaturePtr>& aReasons = myModified[theFeature];
 458   bool allSubsUsed = aReasons.find(theFeature) != aReasons.end();
 459   if (allSubsUsed) { // add all subs in aReasons and temporary remove "theFeature" to avoid processing itself
 460     allReasons(theFeature, aReasons);
 461     aReasons.erase(theFeature);
 462   }
 463   // take reasons one by one (they may be added during the feature process (circle by the radius of sketch)
 464   std::set<FeaturePtr> aProcessedReasons;
 465   while(!aReasons.empty()) {
 466     FeaturePtr aReason = *(aReasons.begin());
 467 #ifdef DEB_UPDATE
 468     //cout<<theFeature->name()<<" process next reason "<<aReason->name()<<endl;
 469 #endif
 470     if (aReason != theFeature && (aReason)->data()->isValid()) {
 471       if (processFeature(aReason))
 472         aIsModified = true;
 473       if (aReason->data()->execState() == ModelAPI_StateInvalidArgument)
 474         isReferencedInvalid = true;
 475     }
 476     // searching for the next not used reason
 477     aProcessedReasons.insert(aReason);
 478     aReasons.erase(aReason);
 479   }
 480   // restore the modified reasons: they will be used in the update of arguments
 481   if (allSubsUsed) { // restore theFeature in this set
 482     aProcessedReasons.insert(theFeature);
 483   }
 484   myModified[theFeature] = aProcessedReasons;
 485
 486   // do not execute the composite that contains the current
 487   bool isPostponedMain = false;
 488   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 489   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 490     CompositeFeaturePtr aCurrentOwner =
 491       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 492     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 493   }
 494
 495 #ifdef DEB_UPDATE
 496   std::cout<<"Update args "<<theFeature->name()<<std::endl;
 497 #endif
 498   // TestImport.py : after arguments are updated, theFeature may be removed
 499   if (!theFeature->data()->isValid())
 500     return false;
 501   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 502   updateArguments(theFeature);
 503
 504   // add this feature to the processed right now to be able remove it from this list on
 505   // update signal during this feature execution
 506   myModified.erase(theFeature);
 507   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 508     theFeature->data()->execState(ModelAPI_StateDone);
 509
 510   // this checking must be after the composite feature sub-elements processing:
 511   // composite feature status may depend on it's subelements
 512   if ((theFeature->data()->execState() == ModelAPI_StateInvalidArgument || isReferencedInvalid) &&
 513     theFeature->getKind() != "Part") { // don't disable Part because it will make disabled all the features (performance and problems with the current feature)
 514   #ifdef DEB_UPDATE
 515     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 516   #endif
 517     theFeature->eraseResults();
 518     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 519     return true; // so, feature is modified (results are erased)
 520   }
 521
 522   // execute feature if it must be updated
 523   ModelAPI_ExecState aState = theFeature->data()->execState();
 524   if (aFactory->validate(theFeature)) {
 525     if (!isPostponedMain) {
 526       executeFeature(theFeature);
 527     }
 528   } else {
 529     #ifdef DEB_UPDATE
 530       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 531     #endif
 532     theFeature->eraseResults();
 533     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 534   }
 535   return true;
 536 }
 537
 538 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 539 {
 540   // make updated and redisplay all results
 541   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 542
 543   std::list<ResultPtr> allResults;
 544   ModelAPI_Tools::allResults(theFeature, allResults);
 545   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 546   for (; aRIter != allResults.cend(); aRIter++) {
 547     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 548     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 549       aRes->data()->execState(theState);
 550     }
 551     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 552       aRes->data()->setUpdateID(theFeature->data()->updateID());
 553     }
 554     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 555   }
 556   // to redisplay "presentable" feature (for ex. distance constraint)
 557   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 558   theFeature->data()->execState(theState);
 559 }
 560
 561 /// Updates the state by the referenced object: if something bad with it, set state for this one
 562 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 563 {
 564   if (theTarget) {
 565     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 566     if (aRefState == ModelAPI_StateMustBeUpdated) {
 567       if (theCurrent == ModelAPI_StateDone)
 568         return ModelAPI_StateMustBeUpdated;
 569     } else if (aRefState != ModelAPI_StateDone) {
 570       return ModelAPI_StateInvalidArgument;
 571     }
 572   }
 573   return theCurrent;
 574 }
 575
 576 void Model_Update::updateArguments(FeaturePtr theFeature) {
 577   // perform this method also for disabled features: to make "not done" state for
 578   // features referenced to the active and modified features
 579
 580   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 581
 582   ModelAPI_ExecState aState = theFeature->data()->execState();
 583   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 584     aState = ModelAPI_StateMustBeUpdated;
 585   }
 586   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 587     aState = ModelAPI_StateMustBeUpdated;
 588   // check the parameters state
 589   // Integer
 590   {
 591     std::list<AttributePtr> anAttrinbutes =
 592       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 593     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 594     for(; anIter != anAttrinbutes.end(); anIter++) {
 595       AttributeIntegerPtr anAttribute =
 596         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 597       if (anAttribute.get() && !anAttribute->text().empty()) {
 598         if (myIsParamUpdated) {
 599           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 600         }
 601         if (anAttribute->expressionInvalid()) {
 602           aState = ModelAPI_StateInvalidArgument;
 603         }
 604       }
 605     }
 606   }
 607   // Double
 608   {
 609     std::list<AttributePtr> aDoubles =
 610       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 611     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 612     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 613       AttributeDoublePtr aDouble =
 614         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 615       if (aDouble.get() && !aDouble->text().empty()) {
 616         if (myIsParamUpdated) {
 617           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 618         }
 619         if (aDouble->expressionInvalid()) {
 620           aState = ModelAPI_StateInvalidArgument;
 621         }
 622       }
 623     }
 624   }
 625   // Point
 626   {
 627     std::list<AttributePtr> anAttributes =
 628       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 629     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 630     for(; anIter != anAttributes.end(); anIter++) {
 631       AttributePointPtr aPointAttribute =
 632         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 633       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 634           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 635         if (myIsParamUpdated) {
 636           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 637         }
 638         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 639           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 640           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 641           aState = ModelAPI_StateInvalidArgument;
 642       }
 643     }
 644   }
 645   // Point2D
 646   {
 647     std::list<AttributePtr> anAttributes =
 648       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 649     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 650     for(; anIter != anAttributes.end(); anIter++) {
 651       AttributePoint2DPtr aPoint2DAttribute =
 652         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 653       if (aPoint2DAttribute.get()) {
 654         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 655             !aPoint2DAttribute->textY().empty())) {
 656           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 657         }
 658         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 659           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 660           aState = ModelAPI_StateInvalidArgument;
 661       }
 662     }
 663   }
 664   // update the selection attributes if any
 665   list<AttributePtr> aRefs =
 666     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 667   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 668   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 669     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 670       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 671     ObjectPtr aContext = aSel->context();
 672     // update argument only if the referenced object is ready to use
 673     if (aContext.get() && !aContext->isDisabled()) {
 674       if (isReason(theFeature, aContext)) {
 675         if (!aSel->update()) { // this must be done on execution since it may be long operation
 676           bool isObligatory = !aFactory->isNotObligatory(
 677             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 678             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 679           if (isObligatory)
 680             aState = ModelAPI_StateInvalidArgument;
 681         }
 682       }
 683     } else if (aContext.get()) {
 684       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 685       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 686       if (isObligatory)
 687         aState = ModelAPI_StateInvalidArgument;
 688     }
 689   }
 690   // update the selection list attributes if any
 691   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 692   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 693     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 694       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 695     for(int a = aSel->size() - 1; a >= 0; a--) {
 696       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 697         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 698       if (aSelAttr) {
 699         ObjectPtr aContext = aSelAttr->context();
 700         // update argument only if the referenced object is ready to use
 701         if (aContext.get() && !aContext->isDisabled()) {
 702           if (isReason(theFeature, aContext)) {
 703             if (!aSelAttr->update()) {
 704               bool isObligatory = !aFactory->isNotObligatory(
 705                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 706                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 707               if (isObligatory)
 708                 aState = ModelAPI_StateInvalidArgument;
 709             }
 710           }
 711         } else if (aContext.get()) {
 712           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 713           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 714           if (isObligatory)
 715             aState = ModelAPI_StateInvalidArgument;
 716         }
 717       }
 718     }
 719   }
 720
 721   if (aState != ModelAPI_StateDone)
 722     theFeature->data()->execState(aState);
 723 }
 724
 725 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 726      std::shared_ptr<ModelAPI_Object> theReason)
 727 {
 728   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 729     ::iterator aReasonsIt = myModified.find(theFeature);
 730   if (aReasonsIt == myModified.end())
 731     return false; // this case only for not-previewed items update state, nothing is changed in args for it
 732   if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 733     return true; // any is reason if it contains itself
 734   FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 735   if (!aReasFeat.get()) { // try to get feature of this result
 736     ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 737     if (aReasRes.get())
 738       aReasFeat = theReason->document()->feature(aReasRes);
 739   }
 740   return aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end();
 741
 742 }
 743
 744 void Model_Update::executeFeature(FeaturePtr theFeature)
 745 {
 746 #ifdef DEB_UPDATE
 747   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 748 #endif
 749   // execute in try-catch to avoid internal problems of the feature
 750   ModelAPI_ExecState aState = ModelAPI_StateDone;
 751   theFeature->data()->execState(ModelAPI_StateDone);
 752   try {
 753     theFeature->execute();
 754     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 755       aState = ModelAPI_StateExecFailed;
 756     } else {
 757       aState = ModelAPI_StateDone;
 758     }
 759   } catch(...) {
 760     aState = ModelAPI_StateExecFailed;
 761     Events_InfoMessage("Model_Update",
 762       "Feature %1 has failed during the execution").arg(theFeature->getKind()).send();
 763   }
 764   // The macro feature has to be deleted in any case even its execution is failed
 765   myWaitForFinish.insert(theFeature);
 766   if (aState != ModelAPI_StateDone) {
 767     theFeature->eraseResults();
 768   }
 769   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 770   redisplayWithResults(theFeature, aState);
 771 }
 772
 773 void Model_Update::updateStability(void* theSender)
 774 {
 775   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 776   if (theSender) {
 777     bool added = false; // object may be was crated
 778     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 779     if (aSender && aSender->document()) {
 780       FeaturePtr aFeatureSender =
 781         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
 782       if (aFeatureSender.get()) {
 783         Model_Objects* aDocObjects =
 784           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
 785         if (aDocObjects) {
 786           //aDocObjects->synchronizeBackRefs();
 787           // remove or add all concealment refs from this feature
 788           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 789           aSender->data()->referencesToObjects(aRefs);
 790           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRefIt = aRefs.begin();
 791           for(; aRefIt != aRefs.end(); aRefIt++) {
 792             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
 793               continue; // take into account only concealed references (do not remove the sketch constraint and the edge on constraint edit)
 794             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
 795             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
 796             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
 797                // stability is only on results: feature to feature reference mean nested
 798               // features, that will remove nesting references
 799               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
 800                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
 801                 std::shared_ptr<Model_Data> aData =
 802                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
 803                 if (aFeatureSender->isStable()) {
 804                   aData->addBackReference(aFeatureSender, aRefIt->first);
 805                 } else {
 806                   aData->removeBackReference(aFeatureSender, aRefIt->first);
 807                   added = true; // remove of concealment may be caused creation of some result
 808                 }
 809               }
 810             }
 811           }
 812         }
 813       }
 814     }
 815     if (added) {
 816       static Events_Loop* aLoop = Events_Loop::loop();
 817       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
 818       aLoop->flush(kEventCreated);
 819     }
 820   }
 821 }