src/Model/Model_Update.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <Model_Update.h>
  22 #include <Model_Document.h>
  23 #include <Model_Data.h>
  24 #include <Model_Objects.h>
  25 #include <Model_AttributeSelection.h>
  26 #include <ModelAPI_Feature.h>
  27 #include <ModelAPI_Data.h>
  28 #include <ModelAPI_Document.h>
  29 #include <ModelAPI_Events.h>
  30 #include <ModelAPI_AttributeReference.h>
  31 #include <ModelAPI_AttributeRefList.h>
  32 #include <ModelAPI_AttributeRefAttr.h>
  33 #include <ModelAPI_AttributeSelection.h>
  34 #include <ModelAPI_AttributeSelectionList.h>
  35 #include <ModelAPI_Result.h>
  36 #include <ModelAPI_ResultPart.h>
  37 #include <ModelAPI_Validator.h>
  38 #include <ModelAPI_CompositeFeature.h>
  39 #include <ModelAPI_Session.h>
  40 #include <ModelAPI_Tools.h>
  41 #include <ModelAPI_ResultBody.h>
  42 #include <ModelAPI_ResultPart.h>
  43 #include <GeomAPI_Shape.h>
  44 #include <GeomDataAPI_Point.h>
  45 #include <GeomDataAPI_Point2D.h>
  46 #include <Events_Loop.h>
  47 #include <Events_LongOp.h>
  48 #include <Events_InfoMessage.h>
  49 #include <Config_PropManager.h>
  50
  51 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  52 //#define DEB_UPDATE
  53
  54 Model_Update::Model_Update()
  55 {
  56   Events_Loop* aLoop = Events_Loop::loop();
  57   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  58   aLoop->registerListener(this, kChangedEvent);
  59   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  60   aLoop->registerListener(this, kCreatedEvent);
  61   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  62   aLoop->registerListener(this, kUpdatedEvent);
  63   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  64   aLoop->registerListener(this, kOpFinishEvent);
  65   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  66   aLoop->registerListener(this, kOpAbortEvent);
  67   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  68   aLoop->registerListener(this, kOpStartEvent);
  69   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  70   aLoop->registerListener(this, kStabilityEvent);
  71   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
  72   aLoop->registerListener(this, kPreviewBlockedEvent);
  73   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
  74   aLoop->registerListener(this, kPreviewRequestedEvent);
  75   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
  76   aLoop->registerListener(this, kReorderEvent);
  77   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
  78   aLoop->registerListener(this, kUpdatedSel);
  79   static const Events_ID kAutomaticOff = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_DISABLE);
  80   aLoop->registerListener(this, kAutomaticOff);
  81   static const Events_ID kAutomaticOn = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_ENABLE);
  82   aLoop->registerListener(this, kAutomaticOn);
  83
  84   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  85   myIsParamUpdated = false;
  86   myIsFinish = false;
  87   myIsProcessed = false;
  88   myIsPreviewBlocked = false;
  89   myUpdateBlocked = false;
  90 }
  91
  92 bool Model_Update::addModified(FeaturePtr theFeature, FeaturePtr theReason) {
  93
  94   if (!theFeature->data()->isValid())
  95     return false; // delete an extrusion created on the sketch
  96
  97
  98   bool isNotExecuted = theFeature->isPersistentResult() &&
  99     !std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures();
 100   if (isNotExecuted) {
 101     redisplayWithResults(theFeature, ModelAPI_StateNothing, false); // redisplay even not executed
 102     if (!theReason.get()) // no reason => no construction reason
 103       return false;
 104     if (myNotPersistentRefs.find(theFeature) == myNotPersistentRefs.end()) {
 105       myNotPersistentRefs[theFeature].insert(theReason);
 106     } else {
 107       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 108       aNewSet.insert(theReason);
 109       myNotPersistentRefs[theFeature] = aNewSet;
 110     }
 111     return false;
 112   }
 113
 114   // update arguments for "apply button" state change
 115   if ((!theFeature->isPreviewNeeded() && !myIsFinish) || myIsPreviewBlocked) {
 116     if (theReason.get())
 117       myProcessOnFinish[theFeature].insert(theReason);
 118     else if (myProcessOnFinish.find(theFeature) == myProcessOnFinish.end())
 119       myProcessOnFinish[theFeature] = std::set<std::shared_ptr<ModelAPI_Feature> >();
 120 #ifdef DEB_UPDATE
 121       std::cout<<"*** Add process on finish "<<theFeature->name()<<std::endl;
 122 #endif
 123     // keeps the currently updated features to avoid infinitive cycling here: where feature on
 124     // "updateArguments" sends "updated" (in selection attribute) and goes here again
 125     static std::set<FeaturePtr> aCurrentlyUpdated;
 126     if (aCurrentlyUpdated.find(theFeature) == aCurrentlyUpdated.end()) {
 127       aCurrentlyUpdated.insert(theFeature);
 128       updateArguments(theFeature);
 129       aCurrentlyUpdated.erase(theFeature);
 130     }
 131     // make it without conditions otherwise the apply button may have a bad state
 132     theFeature->data()->execState(ModelAPI_StateDone);
 133     static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 134      // need to be validated to update the "Apply" state if not previewed
 135     aFactory->validate(theFeature);
 136
 137     // to redisplay split's arguments presentation, even result is not computed
 138     if (!theFeature->isPreviewNeeded()) {
 139       static Events_Loop* aLoop = Events_Loop::loop();
 140       static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 141       ModelAPI_EventCreator::get()->sendUpdated(theFeature, kRedisplayEvent);
 142       aLoop->flush(kRedisplayEvent);
 143     }
 144
 145     if (!myIsPreviewBlocked)
 146       return true;
 147   }
 148   if (myModified.find(theFeature) != myModified.end()) {
 149     if (theReason.get()) {
 150 #ifdef DEB_UPDATE
 151       //std::cout<<"*** Add already modified "
 152       //   <<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 153 #endif
 154       myModified[theFeature].insert(theReason);
 155     }
 156     return true;
 157   }
 158   // do not add the disabled, but possibly the sub-elements are not disabled
 159   bool aIsDisabled = theFeature->isDisabled();
 160   if (!aIsDisabled) {
 161     std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 162     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated ||
 163         theFeature->data()->execState() == ModelAPI_StateInvalidArgument || // issue 1519
 164         theFeature->data()->execState() == ModelAPI_StateExecFailed) {
 165       // do not forget that in this case all were the reasons
 166       aNewSet.insert(theFeature);
 167     } else {
 168       if (theReason.get())
 169         aNewSet.insert(theReason);
 170     }
 171     myModified[theFeature] = aNewSet;
 172 #ifdef DEB_UPDATE
 173     if (theReason.get()) {
 174       //std::cout<<"*** Add modified "<<theFeature->name()
 175       //  <<" reason "<<theReason->name()<<std::endl;
 176     } else {
 177       //std::cout<<"*** Add modified "<<theFeature->name()<<std::endl;
 178     }
 179 #endif
 180   } else { // will be updated during the finish of the operation, or when it becomes enabled
 181     if (theFeature->data()->execState() == ModelAPI_StateDone ||
 182         theFeature->data()->execState() == ModelAPI_StateExecFailed) // fix issue 1819
 183       theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 184     else
 185       return true; // do not need iteration deeply if it is already marked as modified or so
 186 #ifdef DEB_UPDATE
 187     //std::cout<<"*** Set modified state "<<theFeature->name()<<std::endl;
 188 #endif
 189   }
 190   // clear processed and fill modified recursively
 191   const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 192   std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 193   for(; aRefIter != aRefs.cend(); aRefIter++) {
 194     if ((*aRefIter)->isArgument()) {
 195       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 196       if (aReferenced.get()) {
 197         addModified(aReferenced, theFeature);
 198       }
 199     }
 200   }
 201   // proccess also results
 202   std::list<ResultPtr> allResults; // list of this feature and results
 203   ModelAPI_Tools::allResults(theFeature, allResults);
 204   std::list<ResultPtr>::iterator aRes = allResults.begin();
 205   for(; aRes != allResults.end(); aRes++) {
 206     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*aRes)->data()->refsToMe();
 207     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 208     for(; aRefIter != aRefs.cend(); aRefIter++) {
 209       if ((*aRefIter)->isArgument()) {
 210         FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 211         if (aReferenced.get()) {
 212           addModified(aReferenced, theFeature);
 213         }
 214       }
 215     }
 216   }
 217
 218   // also add part feature that contains this feature to the modified
 219   if (theFeature->document()->kind() != "PartSet") {
 220     FeaturePtr aPart = ModelAPI_Tools::findPartFeature(
 221       ModelAPI_Session::get()->moduleDocument(), theFeature->document());
 222     if (aPart.get())
 223       addModified(aPart, theFeature);
 224   }
 225   return true;
 226 }
 227
 228 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 229 {
 230   static Events_Loop* aLoop = Events_Loop::loop();
 231   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 232   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 233   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 234   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
 235   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
 236   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
 237   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
 238   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
 239   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
 240   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
 241   static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 242   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
 243   static const Events_ID kAutomaticOff = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_DISABLE);
 244   static const Events_ID kAutomaticOn = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_ENABLE);
 245
 246 #ifdef DEB_UPDATE
 247   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
 248 #endif
 249   if (theMessage->eventID() == kStabilityEvent) {
 250     updateStability(theMessage->sender());
 251     return;
 252   }
 253   if (theMessage->eventID() == kPreviewBlockedEvent) {
 254     myIsPreviewBlocked = true;
 255     return;
 256   }
 257   if (theMessage->eventID() == kPreviewRequestedEvent) {
 258     if (myIsPreviewBlocked) {
 259       bool anUpdateState = myUpdateBlocked;
 260       myUpdateBlocked = false;
 261       myIsPreviewBlocked = false;
 262       processFeatures();
 263       myIsPreviewBlocked = true;
 264       myUpdateBlocked = anUpdateState;
 265     }
 266     return;
 267   }
 268   if (theMessage->eventID() == kAutomaticOff) {
 269     myUpdateBlocked = true;
 270     return;
 271   }
 272   if (theMessage->eventID() == kAutomaticOn) {
 273     myUpdateBlocked = false; // then process all modified features, even if preview is blocked
 274     bool aPreviewBlockedState = myIsPreviewBlocked; // to update the selected arguments
 275     myIsPreviewBlocked = false;
 276     // iterate everything and add efatures in state "MustBeUpdated" into modified
 277     std::list<std::shared_ptr<ModelAPI_Document> > allDocs =
 278       ModelAPI_Session::get()->allOpenedDocuments();
 279     std::list<std::shared_ptr<ModelAPI_Document> >::iterator aDoc = allDocs.begin();
 280     for(; aDoc != allDocs.end(); aDoc++) {
 281       std::list<std::shared_ptr<ModelAPI_Feature> > allFeats = (*aDoc)->allFeatures();
 282       std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFeat = allFeats.begin();
 283       for(; aFeat != allFeats.end(); aFeat++) {
 284         if ((*aFeat)->data()->isValid() &&
 285             (*aFeat)->data()->execState() == ModelAPI_StateMustBeUpdated) {
 286           addModified(*aFeat, FeaturePtr());
 287         }
 288       }
 289     }
 290     processFeatures();
 291     myIsPreviewBlocked = myIsPreviewBlocked;
 292     return;
 293   }
 294   if (theMessage->eventID() == kUpdatedSel) {
 295     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 296         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 297     updateSelection(aMsg->objects());
 298   }
 299   // creation is added to "update" to avoid recomputation twice:
 300   // on create and immediately after on update
 301   if (theMessage->eventID() == kCreatedEvent) {
 302     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 303         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 304     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 305     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 306     for(; anObjIter != anObjs.cend(); anObjIter++) {
 307       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures()) {
 308         if ((*anObjIter)->groupName() == ModelAPI_Feature::group()) {
 309           // results creation means enabling, not update
 310           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kUpdatedEvent);
 311         } else {
 312           ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kRedisplayEvent);
 313         }
 314       }
 315     }
 316     return;
 317   }
 318   if (theMessage->eventID() == kUpdatedEvent) {
 319     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 320         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 321     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 322     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 323     bool aSomeModified = false; // check that features not changed: only redisplay is needed
 324     for(; anObjIter != anObjs.cend(); anObjIter++) {
 325       if (!(*anObjIter)->data()->isValid())
 326         continue;
 327 #ifdef DEB_UPDATE
 328       std::cout<<">>> in event updated "<<(*anObjIter)->groupName()<<
 329         " "<<(*anObjIter)->data()->name()<<std::endl;
 330 #endif
 331       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 332         myIsParamUpdated = true;
 333       }
 334       // on undo/redo, abort do not update persisten features
 335       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 336       if (anUpdated.get()) {
 337         if (addModified(anUpdated, FeaturePtr()))
 338           aSomeModified = true;
 339         if (myUpdateBlocked) { // execute this feature anyway to show the current result
 340           /*if (!anUpdated->isStable() && anUpdated->results().size() && (
 341               anUpdated->firstResult()->groupName() == ModelAPI_ResultBody::group() ||
 342               anUpdated->firstResult()->groupName() == ModelAPI_ResultPart::group())) {
 343             if (aFactory->validate(anUpdated)) {
 344               executeFeature(anUpdated);
 345               redisplayWithResults(anUpdated, ModelAPI_StateNothing, false);
 346               static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 347               aLoop->flush(EVENT_DISP);
 348             }
 349           }*/
 350         }
 351       } else {
 352         // process the updated result as update of features that refers to this result
 353         const std::set<std::shared_ptr<ModelAPI_Attribute> >&
 354           aRefs = (*anObjIter)->data()->refsToMe();
 355         std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 356         FeaturePtr aReason;
 357         ResultPtr aReasonResult = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter);
 358         if (aReasonResult.get())
 359           aReason = (*anObjIter)->document()->feature(aReasonResult);
 360         for(; aRefIter != aRefs.cend(); aRefIter++) {
 361           if (!(*aRefIter)->owner()->data()->isValid())
 362             continue;
 363           FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 364           if (anUpdated.get()) {
 365             if (addModified(anUpdated, aReason))
 366               aSomeModified = true;
 367           }
 368         }
 369       }
 370     }
 371     // this event is for solver update, not here, do not react immediately
 372     if (aSomeModified) {
 373         processFeatures();
 374     }
 375   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 376       theMessage->eventID() == kOpStartEvent) {
 377     myIsPreviewBlocked = false;
 378
 379     if (theMessage->eventID() == kOpFinishEvent) {// if update is blocked, skip
 380       myIsFinish = true;
 381       // add features that wait for finish as modified
 382       std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >::
 383         iterator aFeature = myProcessOnFinish.begin();
 384       for(; aFeature != myProcessOnFinish.end(); aFeature++) {
 385         if (aFeature->first->data()->isValid()) {// there may be already removed while wait
 386           if (aFeature->second.empty()) {
 387             addModified(aFeature->first, FeaturePtr());
 388             continue;
 389           }
 390           std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aReasons;
 391           for(aReasons = aFeature->second.begin(); aReasons != aFeature->second.end(); aReasons++){
 392             addModified(aFeature->first, *aReasons);
 393           }
 394         }
 395       }
 396       myIsFinish = false;
 397     }
 398     // processed features must be only on finish, so clear anyway (to avoid reimport on load)
 399     myProcessOnFinish.clear();
 400
 401     // #2156: current must be sketch, left after the macro execution
 402     DocumentPtr anActiveDoc = ModelAPI_Session::get()->activeDocument();
 403     FeaturePtr aCurrent;
 404     if (anActiveDoc.get())
 405       aCurrent = anActiveDoc->currentFeature(false);
 406
 407     if (!(theMessage->eventID() == kOpStartEvent)) {
 408       processFeatures(false);
 409     }
 410
 411     if (anActiveDoc.get() && aCurrent.get() && aCurrent->data()->isValid()) {
 412       if (anActiveDoc->currentFeature(false) != aCurrent)
 413         anActiveDoc->setCurrentFeature(aCurrent, false); // #2156 make the current feature back
 414     }
 415
 416     // remove all macros before clearing all created
 417     std::set<FeaturePtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 418     while(anUpdatedIter != myWaitForFinish.end()) {
 419       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 420       if (aFeature.get()) {
 421         // remove macro on finish
 422         if (aFeature->isMacro()) {
 423           aFeature->document()->removeFeature(aFeature);
 424           myWaitForFinish.erase(aFeature);
 425         }
 426         // to avoid the map update problems on "remove"
 427         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 428           anUpdatedIter = myWaitForFinish.begin();
 429         } else {
 430           anUpdatedIter++;
 431         }
 432       } else {
 433         anUpdatedIter++;
 434       }
 435     }
 436     // the redisplay signal should be flushed in order
 437     // to erase the feature presentation in the viewer
 438     // if should be done after removeFeature() of document,
 439     // by this reason, upper processFeatures() do not perform this flush
 440     Events_Loop::loop()->flush(kRedisplayEvent);
 441
 442     // in the end of transaction everything is updated, so clear the old objects
 443     myIsParamUpdated = false;
 444     myWaitForFinish.clear();
 445   } else if (theMessage->eventID() == kReorderEvent) {
 446     std::shared_ptr<ModelAPI_OrderUpdatedMessage> aMsg =
 447       std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
 448     if (aMsg->reordered().get())
 449       addModified(aMsg->reordered(), aMsg->reordered()); // to update all attributes
 450   }
 451 }
 452
 453 void Model_Update::processFeatures(const bool theFlushRedisplay)
 454 {
 455    // perform update of everything if it is not performed right now or any preview is blocked
 456   if (!myIsProcessed && !myIsPreviewBlocked) {
 457     myIsProcessed = true;
 458     #ifdef DEB_UPDATE
 459       std::cout<<"****** Start processing"<<std::endl;
 460     #endif
 461
 462     while(!myModified.empty()) {
 463       processFeature(myModified.begin()->first);
 464     }
 465     myIsProcessed = false;
 466
 467     // to update the object browser if something is updated/created during executions
 468     static Events_Loop* aLoop = Events_Loop::loop();
 469     static const Events_ID kCreatedEvent= aLoop->eventByName(EVENT_OBJECT_CREATED);
 470     aLoop->flush(kCreatedEvent);
 471     static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 472     aLoop->flush(kUpdatedEvent);
 473
 474     // flush to update display
 475     if (theFlushRedisplay) {
 476       static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 477       aLoop->flush(EVENT_DISP);
 478     }
 479     #ifdef DEB_UPDATE
 480       std::cout<<"****** End processing"<<std::endl;
 481     #endif
 482     myProcessed.clear();
 483   }
 484 }
 485
 486 // collects all the feautres this feature depends on: reasons
 487 static void allReasons(FeaturePtr theFeature, std::set<FeaturePtr>& theReasons) {
 488   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 489   theFeature->data()->referencesToObjects(aDeps);
 490   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 491     anAttrsIter = aDeps.begin();
 492   for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 493     if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 494       std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 495       for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 496         FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 497         if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 498           ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 499           if (aDepRes.get()) {
 500             aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 501           }
 502         }
 503         if (aDepFeat.get() && aDepFeat->data()->isValid()) {
 504           theReasons.insert(aDepFeat);
 505         }
 506       }
 507     }
 508   }
 509   if (theFeature->getKind() == "Part") {
 510     // part is not depended on its subs directly, but subs must be iterated anyway
 511     CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 512     int aNum = aPart->numberOfSubs();
 513     for(int a = 0; a < aNum; a++) {
 514       FeaturePtr aSub = aPart->subFeature(a);
 515       if (aSub.get() && aSub->data()->isValid()) {
 516         theReasons.insert(aSub);
 517       }
 518     }
 519   }
 520 }
 521
 522 bool Model_Update::processFeature(FeaturePtr theFeature)
 523 {
 524   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 525
 526   if (!theFeature->data()->isValid()) { // deleted feature, just remove from all containers
 527     if (myModified.find(theFeature) != myModified.end())
 528       myModified.erase(theFeature);
 529     return false;
 530   }
 531
 532   if (theFeature->isPersistentResult()) {
 533     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
 534       return false;
 535   }
 536
 537   if (myProcessed.find(theFeature) == myProcessed.end()) {
 538     myProcessed[theFeature] = 0;
 539   } else {
 540     int aCount = myProcessed[theFeature];
 541     if (aCount > 100) {
 542       // too many repetition of processing (in VS it may crash on 330 with stack overflow)
 543       Events_InfoMessage("Model_Update",
 544         "Feature '%1' is updated in infinitive loop").arg(theFeature->data()->name()).send();
 545       // to stop iteration
 546       myModified.clear();
 547       return false;
 548     }
 549     myProcessed[theFeature] = aCount + 1;
 550   }
 551
 552   // check this feature is not yet checked or processed
 553   bool aIsModified = myModified.find(theFeature) != myModified.end();
 554   if (!aIsModified && myIsFinish) { // get info about the modification for features without preview
 555     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 556       aIsModified = true;
 557       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 558       // contains itself, so, we don't know which was the reason and the reason is any
 559       aNewSet.insert(theFeature);
 560       myModified[theFeature] = aNewSet;
 561     }
 562   }
 563
 564 #ifdef DEB_UPDATE
 565     std::cout<<"* Process feature "<<theFeature->name()<<std::endl;
 566 #endif
 567
 568   // update the sketch plane before the sketch sub-elements are recomputed
 569   // (otherwise sketch will update plane, modify subs, after executed, but with old subs edges)
 570   if (aIsModified && theFeature->getKind() == "Sketch") {
 571 #ifdef DEB_UPDATE
 572     std::cout<<"****** Update sketch args "<<theFeature->name()<<std::endl;
 573 #endif
 574     AttributeSelectionPtr anExtSel = theFeature->selection("External");
 575     if (anExtSel.get()) {
 576       ResultPtr aContext = anExtSel->context();
 577       if (aContext.get() && aContext->document().get()) {
 578         FeaturePtr anExtBase = aContext->document()->feature(aContext);
 579         if (anExtBase.get()) {
 580           processFeature(anExtBase);
 581         }
 582       }
 583     }
 584     std::shared_ptr<GeomAPI_Shape> aShapeBefore = anExtSel->value();
 585     if (!aShapeBefore.get() && anExtSel->context()) aShapeBefore = anExtSel->context()->shape();
 586     updateArguments(theFeature);
 587     std::shared_ptr<GeomAPI_Shape> aShapeAfter = anExtSel->value();
 588     if (!aShapeAfter.get() && anExtSel->context()) aShapeAfter = anExtSel->context()->shape();
 589     // if selected plane is changed, try to re-take external references of all subs of the sketch
 590     if (aShapeBefore.get() && !aShapeBefore->isEqual(aShapeAfter)) {
 591       std::set<FeaturePtr> aWholeR;
 592       allReasons(theFeature, aWholeR);
 593       std::set<FeaturePtr>::iterator aRIter = aWholeR.begin();
 594       for(; aRIter != aWholeR.end(); aRIter++) {
 595         if ((*aRIter)->data()->selection("External"))
 596           (*aRIter)->attributeChanged("External");
 597       }
 598     }
 599   }
 600
 601   if (!aIsModified) { // no modification is needed
 602     return false;
 603   }
 604
 605   // evaluate parameter before the sub-elements update:
 606   // it updates dependencies on evaluation (#1085)
 607   if (theFeature->getKind() == "Parameter") {
 608     theFeature->execute();
 609   }
 610
 611   bool isReferencedInvalid = false;
 612   // check all features this feature depended on (recursive call of updateFeature)
 613   std::set<FeaturePtr>& aReasons = myModified[theFeature];
 614   bool allSubsUsed = aReasons.find(theFeature) != aReasons.end();
 615   if (allSubsUsed) {
 616     // add all subs in aReasons and temporary remove "theFeature" to avoid processing itself
 617     allReasons(theFeature, aReasons);
 618     aReasons.erase(theFeature);
 619   }
 620   // take reasons one by one (they may be added during the feature process
 621   // (circle by the radius of sketch)
 622   std::set<FeaturePtr> aProcessedReasons;
 623   while(!aReasons.empty()) {
 624     FeaturePtr aReason = *(aReasons.begin());
 625 #ifdef DEB_UPDATE
 626     //cout<<theFeature->name()<<" process next reason "<<aReason->name()<<endl;
 627 #endif
 628     if (aReason != theFeature && (aReason)->data()->isValid()) {
 629       if (processFeature(aReason))
 630         aIsModified = true;
 631       // check validity of aReason once again because it may be removed by dependent feature
 632       // (e.g. by SketchPlugin_IntersectionPoint)
 633       if (!aReason->data()->isValid() ||
 634           aReason->data()->execState() == ModelAPI_StateInvalidArgument)
 635         isReferencedInvalid = true;
 636     }
 637     // searching for the next not used reason
 638     aProcessedReasons.insert(aReason);
 639     aReasons.erase(aReason);
 640   }
 641   // restore the modified reasons: they will be used in the update of arguments
 642   if (allSubsUsed) { // restore theFeature in this set
 643     aProcessedReasons.insert(theFeature);
 644   }
 645   myModified[theFeature] = aProcessedReasons;
 646
 647   // do not execute the composite that contains the current
 648   bool isPostponedMain = false;
 649   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 650   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 651     CompositeFeaturePtr aCurrentOwner =
 652       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 653     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 654   } else if (theFeature->getKind() == "Sketch" &&
 655     std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures()) {
 656     // send event that sketch is prepared to be recomputed
 657     static Events_ID anID = Events_Loop::eventByName("SketchPrepared");
 658     std::shared_ptr<Events_Message> aMsg(new Events_Message(anID, this));
 659     Events_Loop* aLoop = Events_Loop::loop();
 660     // in case it is finish operation, flush for the sketch other events (#2450)
 661     aLoop->flush(aLoop->eventByName(EVENT_OBJECT_UPDATED));
 662     aLoop->send(aMsg);
 663     // check that sub-elements of sketch are updated => sketch must be re-processed
 664     std::set<FeaturePtr> aWholeR;
 665     allReasons(theFeature, aWholeR);
 666     std::set<FeaturePtr>::iterator aRIter = aWholeR.begin();
 667     for(; aRIter != aWholeR.end(); aRIter++) {
 668       if (myModified.find(*aRIter) != myModified.end()) {
 669         processFeature(theFeature);
 670         return true;
 671       }
 672     }
 673   }
 674
 675 #ifdef DEB_UPDATE
 676   std::cout<<"Update args "<<theFeature->name()<<std::endl;
 677 #endif
 678   // TestImport.py : after arguments are updated, theFeature may be removed
 679   if (!theFeature->data()->isValid())
 680     return false;
 681   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 682   updateArguments(theFeature);
 683
 684   // add this feature to the processed right now to be able remove it from this list on
 685   // update signal during this feature execution
 686   myModified.erase(theFeature);
 687   if (myNotPersistentRefs.find(theFeature) != myNotPersistentRefs.end())
 688     myNotPersistentRefs.erase(theFeature);
 689   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 690     theFeature->data()->execState(ModelAPI_StateDone);
 691
 692   // this checking must be after the composite feature sub-elements processing:
 693   // composite feature status may depend on it's subelements
 694   if ((theFeature->data()->execState() == ModelAPI_StateInvalidArgument || isReferencedInvalid) &&
 695     theFeature->getKind() != "Part") {
 696       // don't disable Part because it will make disabled all the features
 697       // (performance and problems with the current feature)
 698   #ifdef DEB_UPDATE
 699     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 700   #endif
 701     theFeature->eraseResults(false);
 702     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 703     return true; // so, feature is modified (results are erased)
 704   }
 705
 706   // execute feature if it must be updated
 707   ModelAPI_ExecState aState = theFeature->data()->execState();
 708   if (aFactory->validate(theFeature)) {
 709     if (!isPostponedMain) {
 710       bool aDoExecute = true;
 711       if (myUpdateBlocked) {
 712         if (!theFeature->isStable()) {
 713           aDoExecute = true;
 714         } else if (theFeature->results().size()) { // execute only not-results features
 715           aDoExecute = !(theFeature->firstResult()->groupName() == ModelAPI_ResultBody::group() ||
 716                          theFeature->firstResult()->groupName() == ModelAPI_ResultPart::group());
 717         } else {
 718           aDoExecute = aState != ModelAPI_StateInvalidArgument;
 719         }
 720       }
 721       if (aDoExecute) {
 722         executeFeature(theFeature);
 723       } else {
 724         // store information that this feature must be executed later
 725         theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 726       }
 727     }
 728   } else {
 729     #ifdef DEB_UPDATE
 730       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 731     #endif
 732     theFeature->eraseResults(false);
 733     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 734   }
 735   return true;
 736 }
 737
 738 void Model_Update::redisplayWithResults(
 739   FeaturePtr theFeature, const ModelAPI_ExecState theState, bool theUpdateState)
 740 {
 741   // make updated and redisplay all results
 742   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 743
 744   std::list<ResultPtr> allResults;
 745   ModelAPI_Tools::allResults(theFeature, allResults);
 746   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 747   for (; aRIter != allResults.cend(); aRIter++) {
 748     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 749     if (!aRes->isDisabled()) {
 750       // update state only for enabled results
 751       // (Placement Result Part may make the original Part Result as invalid)
 752       if (theUpdateState)
 753         aRes->data()->execState(theState);
 754     }
 755     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 756       aRes->data()->setUpdateID(theFeature->data()->updateID());
 757     }
 758     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 759   }
 760   // to redisplay "presentable" feature (for ex. distance constraint)
 761   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 762   if (theUpdateState)
 763     theFeature->data()->execState(theState);
 764 }
 765
 766 /// Updates the state by the referenced object: if something bad with it, set state for this one
 767 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 768 {
 769   if (theTarget) {
 770     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 771     if (aRefState == ModelAPI_StateMustBeUpdated) {
 772       if (theCurrent == ModelAPI_StateDone)
 773         return ModelAPI_StateMustBeUpdated;
 774     } else if (aRefState != ModelAPI_StateDone) {
 775       return ModelAPI_StateInvalidArgument;
 776     }
 777   }
 778   return theCurrent;
 779 }
 780
 781 void Model_Update::updateArguments(FeaturePtr theFeature) {
 782   // perform this method also for disabled features: to make "not done" state for
 783   // features referenced to the active and modified features
 784   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 785
 786   ModelAPI_ExecState aState = theFeature->data()->execState();
 787   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 788     aState = ModelAPI_StateMustBeUpdated;
 789   }
 790   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 791     aState = ModelAPI_StateMustBeUpdated;
 792   // check the parameters state
 793   // Integer
 794   {
 795     std::list<AttributePtr> anAttrinbutes =
 796       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 797     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 798     for(; anIter != anAttrinbutes.end(); anIter++) {
 799       AttributeIntegerPtr anAttribute =
 800         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 801       if (anAttribute.get() && !anAttribute->text().empty()) {
 802         if (myIsParamUpdated) {
 803           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 804         }
 805         if (anAttribute->expressionInvalid()) {
 806           aState = ModelAPI_StateInvalidArgument;
 807         }
 808       }
 809     }
 810   }
 811   // Double
 812   {
 813     std::list<AttributePtr> aDoubles =
 814       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 815     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 816     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 817       AttributeDoublePtr aDouble =
 818         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 819       if (aDouble.get() && !aDouble->text().empty()) {
 820         if (myIsParamUpdated) {
 821           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 822         }
 823         if (aDouble->expressionInvalid()) {
 824           aState = ModelAPI_StateInvalidArgument;
 825         }
 826       }
 827     }
 828   }
 829   // Point
 830   {
 831     std::list<AttributePtr> anAttributes =
 832       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 833     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 834     for(; anIter != anAttributes.end(); anIter++) {
 835       AttributePointPtr aPointAttribute =
 836         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 837       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 838           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 839         if (myIsParamUpdated) {
 840           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 841         }
 842         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 843           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 844           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 845           aState = ModelAPI_StateInvalidArgument;
 846       }
 847     }
 848   }
 849   // Point2D
 850   {
 851     std::list<AttributePtr> anAttributes =
 852       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 853     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 854     for(; anIter != anAttributes.end(); anIter++) {
 855       AttributePoint2DPtr aPoint2DAttribute =
 856         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 857       if (aPoint2DAttribute.get()) {
 858         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 859             !aPoint2DAttribute->textY().empty())) {
 860           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 861         }
 862         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 863           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 864           aState = ModelAPI_StateInvalidArgument;
 865       }
 866     }
 867   }
 868   // update the selection attributes if any
 869   std::list<AttributePtr> aRefs =
 870     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 871   std::list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 872   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 873     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 874       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 875     ObjectPtr aContext = aSel->context();
 876     // update argument only if the referenced object is ready to use
 877     if (aContext.get() && !aContext->isDisabled()) {
 878       if (isReason(theFeature, aContext)) {
 879         if (!aSel->update()) { // this must be done on execution since it may be long operation
 880           bool isObligatory = !aFactory->isNotObligatory(
 881             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 882             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 883           if (isObligatory)
 884             aState = ModelAPI_StateInvalidArgument;
 885         }
 886       }
 887     } else if (aContext.get()) {
 888       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 889       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 890       if (isObligatory)
 891         aState = ModelAPI_StateInvalidArgument;
 892     }
 893   }
 894   // update the selection list attributes if any
 895   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 896   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 897     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 898       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 899     for(int a = aSel->size() - 1; a >= 0; a--) {
 900       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 901         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 902       if (aSelAttr) {
 903         ObjectPtr aContext = aSelAttr->context();
 904         // update argument only if the referenced object is ready to use
 905         if (aContext.get() && !aContext->isDisabled() && !aSelAttr->isInvalid()) {
 906           if (isReason(theFeature, aContext)) {
 907             if (!aSelAttr->update()) {
 908               bool isObligatory = !aFactory->isNotObligatory(
 909                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 910                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 911               if (isObligatory)
 912                 aState = ModelAPI_StateInvalidArgument;
 913             }
 914           }
 915         } else if (aContext.get() || aSelAttr->isInvalid()) {
 916           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 917           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 918           if (isObligatory)
 919             aState = ModelAPI_StateInvalidArgument;
 920         }
 921       }
 922     }
 923   }
 924
 925   if (aState != ModelAPI_StateDone)
 926     theFeature->data()->execState(aState);
 927 }
 928
 929 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 930      std::shared_ptr<ModelAPI_Object> theReason)
 931 {
 932   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 933     ::iterator aReasonsIt = myModified.find(theFeature);
 934   if (aReasonsIt != myModified.end()) {
 935     if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 936       return true; // any is reason if it contains itself
 937     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 938     if (!aReasFeat.get()) { // try to get feature of this result
 939       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 940       if (aReasRes.get())
 941         aReasFeat = theReason->document()->feature(aReasRes);
 942     }
 943     if (aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end())
 944       return true;
 945   }
 946   // another try: postponed modification by not-persistences
 947   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 948     ::iterator aNotPersist = myNotPersistentRefs.find(theFeature);
 949   if (aNotPersist != myNotPersistentRefs.end()) {
 950     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 951     if (!aReasFeat.get()) { // try to get feature of this result
 952       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 953       if (aReasRes.get())
 954         aReasFeat = theReason->document()->feature(aReasRes);
 955     }
 956     if (aNotPersist->second.find(aReasFeat) != aNotPersist->second.end())
 957       return true;
 958   }
 959
 960   // this case only for not-previewed items update state, nothing is changed in args for it
 961   return false;
 962 }
 963
 964 void Model_Update::executeFeature(FeaturePtr theFeature)
 965 {
 966 #ifdef DEB_UPDATE
 967   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 968 #endif
 969   // execute in try-catch to avoid internal problems of the feature
 970   ModelAPI_ExecState aState = ModelAPI_StateDone;
 971   theFeature->data()->execState(ModelAPI_StateDone);
 972   try {
 973     theFeature->execute();
 974     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 975       aState = ModelAPI_StateExecFailed;
 976     } else {
 977       aState = ModelAPI_StateDone;
 978     }
 979   } catch(...) {
 980     aState = ModelAPI_StateExecFailed;
 981     Events_InfoMessage("Model_Update",
 982       "Feature %1 has failed during the execution").arg(theFeature->getKind()).send();
 983   }
 984   // The macro feature has to be deleted in any case even its execution is failed
 985   myWaitForFinish.insert(theFeature);
 986   if (aState != ModelAPI_StateDone) {
 987     theFeature->eraseResults(false);
 988   }
 989   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 990   redisplayWithResults(theFeature, aState);
 991 }
 992
 993 void Model_Update::updateStability(void* theSender)
 994 {
 995   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 996   if (theSender) {
 997     bool added = false; // object may be was crated
 998     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 999     if (aSender && aSender->document()) {
1000       FeaturePtr aFeatureSender =
1001         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
1002       if (aFeatureSender.get()) {
1003         Model_Objects* aDocObjects =
1004           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
1005         if (aDocObjects) {
1006           //aDocObjects->synchronizeBackRefs();
1007           // remove or add all concealment refs from this feature
1008           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
1009           aSender->data()->referencesToObjects(aRefs);
1010           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator
1011             aRefIt = aRefs.begin();
1012           for(; aRefIt != aRefs.end(); aRefIt++) {
1013             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
1014               // take into account only concealed references
1015               // (do not remove the sketch constraint and the edge on constraint edit)
1016               continue;
1017             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
1018             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
1019             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
1020                // stability is only on results: feature to feature reference mean nested
1021               // features, that will remove nesting references
1022               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
1023                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
1024                 std::shared_ptr<Model_Data> aData =
1025                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
1026                 if (aFeatureSender->isStable()) {
1027                   aData->addBackReference(aFeatureSender, aRefIt->first);
1028                 } else {
1029                   aData->removeBackReference(aFeatureSender, aRefIt->first);
1030                   added = true; // remove of concealment may be caused creation of some result
1031                 }
1032               }
1033             }
1034           }
1035         }
1036       }
1037     }
1038     if (added) {
1039       static Events_Loop* aLoop = Events_Loop::loop();
1040       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
1041       aLoop->flush(kEventCreated);
1042     }
1043   }
1044 }
1045
1046 void Model_Update::updateSelection(const std::set<std::shared_ptr<ModelAPI_Object> >& theObjects)
1047 {
1048   std::set<std::shared_ptr<ModelAPI_Object> >::iterator anObj = theObjects.begin();
1049   for(; anObj != theObjects.end(); anObj++) {
1050     std::list<AttributePtr> aRefs =
1051       (*anObj)->data()->attributes(ModelAPI_AttributeSelection::typeId());
1052     std::list<AttributePtr>::iterator aRefsIter = aRefs.begin();
1053     for (; aRefsIter != aRefs.end(); aRefsIter++) {
1054       std::shared_ptr<Model_AttributeSelection> aSel =
1055         std::dynamic_pointer_cast<Model_AttributeSelection>(*aRefsIter);
1056       aSel->updateInHistory();
1057     }
1058     // update the selection list attributes if any
1059     aRefs = (*anObj)->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
1060     for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
1061       std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
1062         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
1063       for(int a = aSel->size() - 1; a >= 0; a--) {
1064         std::shared_ptr<Model_AttributeSelection> aSelAttr =
1065           std::dynamic_pointer_cast<Model_AttributeSelection>(aSel->value(a));
1066         if (aSelAttr.get())
1067           aSelAttr->updateInHistory();
1068       }
1069     }
1070   }
1071 }