src/Model/Model_Update.cpp

   1 // Copyright (C) 2014-2020  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 email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <Model_Update.h>
  21 #include <Model_Document.h>
  22 #include <Model_Data.h>
  23 #include <Model_Objects.h>
  24 #include <Model_AttributeSelection.h>
  25 #include <ModelAPI_Feature.h>
  26 #include <ModelAPI_Data.h>
  27 #include <ModelAPI_Document.h>
  28 #include <ModelAPI_Events.h>
  29 #include <ModelAPI_AttributeReference.h>
  30 #include <ModelAPI_AttributeRefList.h>
  31 #include <ModelAPI_AttributeRefAttr.h>
  32 #include <ModelAPI_AttributeSelection.h>
  33 #include <ModelAPI_AttributeSelectionList.h>
  34 #include <ModelAPI_Result.h>
  35 #include <ModelAPI_ResultPart.h>
  36 #include <ModelAPI_Validator.h>
  37 #include <ModelAPI_CompositeFeature.h>
  38 #include <ModelAPI_Session.h>
  39 #include <ModelAPI_Tools.h>
  40 #include <ModelAPI_ResultBody.h>
  41 #include <ModelAPI_ResultPart.h>
  42 #include <ModelAPI_ResultConstruction.h>
  43 #include <GeomAPI_Shape.h>
  44 #include <GeomDataAPI_Point.h>
  45 #include <GeomDataAPI_Dir.h>
  46 #include <GeomDataAPI_Point2D.h>
  47 #include <Events_Loop.h>
  48 #include <Events_LongOp.h>
  49 #include <Events_InfoMessage.h>
  50 #include <Config_PropManager.h>
  51
  52 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  53 //#define DEB_UPDATE
  54
  55 Model_Update::Model_Update()
  56 {
  57   Events_Loop* aLoop = Events_Loop::loop();
  58   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  59   aLoop->registerListener(this, kChangedEvent);
  60   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  61   aLoop->registerListener(this, kCreatedEvent);
  62   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  63   aLoop->registerListener(this, kUpdatedEvent);
  64   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  65   aLoop->registerListener(this, kOpFinishEvent);
  66   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  67   aLoop->registerListener(this, kOpAbortEvent);
  68   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  69   aLoop->registerListener(this, kOpStartEvent);
  70   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  71   aLoop->registerListener(this, kStabilityEvent);
  72   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
  73   aLoop->registerListener(this, kPreviewBlockedEvent);
  74   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
  75   aLoop->registerListener(this, kPreviewRequestedEvent);
  76   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
  77   aLoop->registerListener(this, kReorderEvent);
  78   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
  79   aLoop->registerListener(this, kUpdatedSel);
  80   static const Events_ID kAutoRecomp = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_ENABLE);
  81   aLoop->registerListener(this, kAutoRecomp);
  82
  83   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  84   myIsParamUpdated = false;
  85   myIsFinish = false;
  86   myIsProcessed = false;
  87   myIsPreviewBlocked = false;
  88   myUpdateBlocked = false;
  89 }
  90
  91 bool Model_Update::addModified(FeaturePtr theFeature, FeaturePtr theReason) {
  92
  93   if (!theFeature->data()->isValid())
  94     return false; // delete an extrusion created on the sketch
  95
  96
  97   bool isNotExecuted = theFeature->isPersistentResult() &&
  98     !std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures();
  99   if (isNotExecuted) {
 100     redisplayWithResults(theFeature, ModelAPI_StateNothing, false); // redisplay even not executed
 101     if (!theReason.get()) // no reason => no construction reason
 102       return false;
 103     if (myNotPersistentRefs.find(theFeature) == myNotPersistentRefs.end()) {
 104       myNotPersistentRefs[theFeature].insert(theReason);
 105     } else {
 106       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 107       aNewSet.insert(theReason);
 108       myNotPersistentRefs[theFeature] = aNewSet;
 109     }
 110     return false;
 111   }
 112
 113   // update arguments for "apply button" state change
 114   if ((!theFeature->isPreviewNeeded() && !myIsFinish) || myIsPreviewBlocked) {
 115     if (theReason.get())
 116       myProcessOnFinish[theFeature].insert(theReason);
 117     else if (myProcessOnFinish.find(theFeature) == myProcessOnFinish.end())
 118       myProcessOnFinish[theFeature] = std::set<std::shared_ptr<ModelAPI_Feature> >();
 119 #ifdef DEB_UPDATE
 120       std::cout<<"*** Add process on finish "<<theFeature->name()<<std::endl;
 121 #endif
 122     // keeps the currently updated features to avoid infinitive cycling here: where feature on
 123     // "updateArguments" sends "updated" (in selection attribute) and goes here again
 124     static std::set<FeaturePtr> aCurrentlyUpdated;
 125     if (aCurrentlyUpdated.find(theFeature) == aCurrentlyUpdated.end()) {
 126       aCurrentlyUpdated.insert(theFeature);
 127       updateArguments(theFeature);
 128       aCurrentlyUpdated.erase(theFeature);
 129     }
 130     // make it without conditions otherwise the apply button may have a bad state
 131     theFeature->data()->execState(ModelAPI_StateDone);
 132     static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 133      // need to be validated to update the "Apply" state if not previewed
 134     aFactory->validate(theFeature);
 135
 136     // to redisplay split's arguments presentation, even result is not computed
 137     if (!theFeature->isPreviewNeeded()) {
 138       static Events_Loop* aLoop = Events_Loop::loop();
 139       static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 140       ModelAPI_EventCreator::get()->sendUpdated(theFeature, kRedisplayEvent);
 141       aLoop->flush(kRedisplayEvent);
 142     }
 143
 144     if (!myIsPreviewBlocked)
 145       return true;
 146   }
 147   if (myModified.find(theFeature) != myModified.end()) {
 148     if (theReason.get()) {
 149 #ifdef DEB_UPDATE
 150       //std::cout<<"*** Add already modified "
 151       //   <<theFeature->name()<<" reason "<<theReason->name()<<std::endl;
 152 #endif
 153       myModified[theFeature].insert(theReason);
 154     }
 155     return true;
 156   }
 157   // do not add the disabled, but possibly the sub-elements are not disabled
 158   bool aIsDisabled = theFeature->isDisabled();
 159   if (!aIsDisabled) {
 160     std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 161     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated ||
 162         theFeature->data()->execState() == ModelAPI_StateInvalidArgument || // issue 1519
 163         theFeature->data()->execState() == ModelAPI_StateExecFailed) {
 164       // do not forget that in this case all were the reasons
 165       aNewSet.insert(theFeature);
 166     } else {
 167       if (theReason.get())
 168         aNewSet.insert(theReason);
 169     }
 170     myModified[theFeature] = aNewSet;
 171 #ifdef DEB_UPDATE
 172     if (theReason.get()) {
 173       //std::cout<<"*** Add modified "<<theFeature->name()
 174       //  <<" reason "<<theReason->name()<<std::endl;
 175     } else {
 176       //std::cout<<"*** Add modified "<<theFeature->name()<<std::endl;
 177     }
 178 #endif
 179   } else { // will be updated during the finish of the operation, or when it becomes enabled
 180     if (theFeature->data()->execState() == ModelAPI_StateDone ||
 181         theFeature->data()->execState() == ModelAPI_StateExecFailed) // fix issue 1819
 182       theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 183     else
 184       return true; // do not need iteration deeply if it is already marked as modified or so
 185 #ifdef DEB_UPDATE
 186     //std::cout<<"*** Set modified state "<<theFeature->name()<<std::endl;
 187 #endif
 188   }
 189   // clear processed and fill modified recursively
 190   const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 191   std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 192   for(; aRefIter != aRefs.cend(); aRefIter++) {
 193     if ((*aRefIter)->isArgument()) {
 194       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 195       if (aReferenced.get()) {
 196         addModified(aReferenced, theFeature);
 197       }
 198     }
 199   }
 200   // process also results
 201   std::list<ResultPtr> allResults; // list of this feature and results
 202   ModelAPI_Tools::allResults(theFeature, allResults);
 203   std::list<ResultPtr>::iterator aRes = allResults.begin();
 204   for(; aRes != allResults.end(); aRes++) {
 205     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aResRefs = (*aRes)->data()->refsToMe();
 206     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRIter = aResRefs.cbegin();
 207     for(; aRIter != aResRefs.cend(); aRIter++) {
 208       if ((*aRIter)->isArgument()) {
 209         FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRIter)->owner());
 210         if (aReferenced.get()) {
 211           addModified(aReferenced, theFeature);
 212         }
 213       }
 214     }
 215   }
 216
 217   // also add part feature that contains this feature to the modified
 218   if (theFeature->document()->kind() != "PartSet") {
 219     FeaturePtr aPart = ModelAPI_Tools::findPartFeature(
 220       ModelAPI_Session::get()->moduleDocument(), theFeature->document());
 221     if (aPart.get())
 222       addModified(aPart, theFeature);
 223   }
 224   return true;
 225 }
 226
 227 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 228 {
 229   static Events_Loop* aLoop = Events_Loop::loop();
 230   //static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 231   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 232   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 233   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
 234   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
 235   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
 236   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
 237   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
 238   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
 239   static const Events_ID kReorderEvent = aLoop->eventByName(EVENT_ORDER_UPDATED);
 240   static const Events_ID kRedisplayEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 241   static const Events_ID kUpdatedSel = aLoop->eventByName(EVENT_UPDATE_SELECTION);
 242
 243 #ifdef DEB_UPDATE
 244   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
 245 #endif
 246   // check the automatic update flag on any event
 247   bool aNewAutomaticState = ModelAPI_Session::get()->isAutoUpdateBlocked();
 248   if (myUpdateBlocked != aNewAutomaticState) {
 249     myUpdateBlocked = aNewAutomaticState;
 250     if (!myUpdateBlocked) { // process all modified features, even if preview is blocked
 251       bool aPreviewBlockedState = myIsPreviewBlocked; // to update the selected arguments
 252       myIsPreviewBlocked = false;
 253       // iterate everything and add features in state "MustBeUpdated" into modified
 254       std::list<std::shared_ptr<ModelAPI_Document> > allDocs =
 255         ModelAPI_Session::get()->allOpenedDocuments();
 256       std::list<std::shared_ptr<ModelAPI_Document> >::iterator aDoc = allDocs.begin();
 257       for(; aDoc != allDocs.end(); aDoc++) {
 258         std::list<std::shared_ptr<ModelAPI_Feature> > allFeats = (*aDoc)->allFeatures();
 259         std::list<std::shared_ptr<ModelAPI_Feature> >::iterator aFeat = allFeats.begin();
 260         for(; aFeat != allFeats.end(); aFeat++) {
 261           if ((*aFeat)->data()->isValid() &&
 262             (*aFeat)->data()->execState() == ModelAPI_StateMustBeUpdated) {
 263             addModified(*aFeat, FeaturePtr());
 264           }
 265         }
 266       }
 267       processFeatures();
 268       myIsPreviewBlocked = aPreviewBlockedState;
 269     }
 270   }
 271
 272   if (theMessage->eventID() == kStabilityEvent) {
 273     updateStability(theMessage->sender());
 274     return;
 275   }
 276   if (theMessage->eventID() == kPreviewBlockedEvent) {
 277     myIsPreviewBlocked = true;
 278     return;
 279   }
 280   if (theMessage->eventID() == kPreviewRequestedEvent) {
 281     if (myIsPreviewBlocked) {
 282       bool anUpdateState = myUpdateBlocked;
 283       myUpdateBlocked = false;
 284       myIsPreviewBlocked = false;
 285       processFeatures();
 286       myIsPreviewBlocked = true;
 287       myUpdateBlocked = anUpdateState;
 288     }
 289     return;
 290   }
 291   if (theMessage->eventID() == kUpdatedSel) {
 292     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 293         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 294     updateSelection(aMsg->objects());
 295   }
 296   // creation is added to "update" to avoid recomputation twice:
 297   // on create and immediately after on update
 298   if (theMessage->eventID() == kCreatedEvent) {
 299     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 300         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 301     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 302     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 303     std::list<ObjectPtr> aFeatures, aResults;
 304     for(; anObjIter != anObjs.cend(); anObjIter++) {
 305       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures()) {
 306         if ((*anObjIter)->groupName() == ModelAPI_Feature::group()) {
 307           // results creation means enabling, not update
 308           aFeatures.push_back(*anObjIter);
 309         } else {
 310           aResults.push_back(*anObjIter);
 311           ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*anObjIter);
 312           if (aPart.get() && aPart->data().get() && aPart->data()->isValid()) {
 313             aPart->shape(); // to update the shape on creation of the result
 314           }
 315         }
 316       }
 317     }
 318     ModelAPI_EventCreator::get()->sendUpdated(aFeatures, kUpdatedEvent);
 319     ModelAPI_EventCreator::get()->sendUpdated(aResults, kRedisplayEvent);
 320     return;
 321   }
 322   if (theMessage->eventID() == kUpdatedEvent) {
 323     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 324         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 325     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 326     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 327     bool aSomeModified = false; // check that features not changed: only redisplay is needed
 328     for(; anObjIter != anObjs.cend(); anObjIter++) {
 329       if (!(*anObjIter)->data()->isValid())
 330         continue;
 331 #ifdef DEB_UPDATE
 332       std::cout<<">>> in event updated "<<(*anObjIter)->groupName()<<
 333         " "<<(*anObjIter)->data()->name()<<std::endl;
 334 #endif
 335       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 336         myIsParamUpdated = true;
 337       }
 338       // on undo/redo, abort do not update persistent features
 339       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 340       if (anUpdated.get()) {
 341         if (addModified(anUpdated, FeaturePtr()))
 342           aSomeModified = true;
 343         if (myUpdateBlocked) { // execute this feature anyway to show the current result
 344           /*if (!anUpdated->isStable() && anUpdated->results().size() && (
 345               anUpdated->firstResult()->groupName() == ModelAPI_ResultBody::group() ||
 346               anUpdated->firstResult()->groupName() == ModelAPI_ResultPart::group())) {
 347             if (aFactory->validate(anUpdated)) {
 348               executeFeature(anUpdated);
 349               redisplayWithResults(anUpdated, ModelAPI_StateNothing, false);
 350               static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 351               aLoop->flush(EVENT_DISP);
 352             }
 353           }*/
 354         }
 355       } else {
 356         // process the updated result as update of features that refers to this result
 357         const std::set<std::shared_ptr<ModelAPI_Attribute> >&
 358           aRefs = (*anObjIter)->data()->refsToMe();
 359         std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 360         FeaturePtr aReason;
 361         ResultPtr aReasonResult = std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter);
 362         if (aReasonResult.get())
 363           aReason = (*anObjIter)->document()->feature(aReasonResult);
 364         for(; aRefIter != aRefs.cend(); aRefIter++) {
 365           if (!(*aRefIter)->owner()->data()->isValid())
 366             continue;
 367           anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 368           if (anUpdated.get()) {
 369             if (addModified(anUpdated, aReason))
 370               aSomeModified = true;
 371           }
 372         }
 373       }
 374     }
 375     // this event is for solver update, not here, do not react immediately
 376     if (aSomeModified) {
 377         processFeatures();
 378     }
 379   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 380       theMessage->eventID() == kOpStartEvent) {
 381     myIsPreviewBlocked = false;
 382
 383     if (theMessage->eventID() == kOpFinishEvent) {// if update is blocked, skip
 384       myIsFinish = true;
 385       // add features that wait for finish as modified
 386       std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >::
 387         iterator aFeature = myProcessOnFinish.begin();
 388       for(; aFeature != myProcessOnFinish.end(); aFeature++) {
 389         if (aFeature->first->data()->isValid()) {// there may be already removed while wait
 390           if (aFeature->second.empty()) {
 391             addModified(aFeature->first, FeaturePtr());
 392             continue;
 393           }
 394           std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aReasons;
 395           for(aReasons = aFeature->second.begin(); aReasons != aFeature->second.end(); aReasons++){
 396             addModified(aFeature->first, *aReasons);
 397           }
 398         }
 399       }
 400       myIsFinish = false;
 401     }
 402     // processed features must be only on finish, so clear anyway (to avoid re-import on load)
 403     myProcessOnFinish.clear();
 404
 405     // #2156: current must be sketch, left after the macro execution
 406     DocumentPtr anActiveDoc = ModelAPI_Session::get()->activeDocument();
 407     FeaturePtr aCurrent;
 408     if (anActiveDoc.get())
 409       aCurrent = anActiveDoc->currentFeature(false);
 410
 411     if (!(theMessage->eventID() == kOpStartEvent)) {
 412       processFeatures(false);
 413     }
 414
 415     if (anActiveDoc.get() && aCurrent.get() && aCurrent->data()->isValid()) {
 416       if (anActiveDoc->currentFeature(false) != aCurrent &&
 417           ModelAPI_Tools::compositeOwner(anActiveDoc->currentFeature(false)) == aCurrent)
 418         anActiveDoc->setCurrentFeature(aCurrent, false); // #2156 make the current feature back
 419     }
 420
 421     // remove all macros before clearing all created
 422     std::set<FeaturePtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 423     while(anUpdatedIter != myWaitForFinish.end()) {
 424       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 425       if (aFeature.get()) {
 426         // remove macro on finish
 427         if (aFeature->isMacro()) {
 428           aFeature->document()->removeFeature(aFeature);
 429           myWaitForFinish.erase(aFeature);
 430         }
 431         // to avoid the map update problems on "remove"
 432         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 433           anUpdatedIter = myWaitForFinish.begin();
 434         } else {
 435           anUpdatedIter++;
 436         }
 437       } else {
 438         anUpdatedIter++;
 439       }
 440     }
 441     // the redisplay signal should be flushed in order
 442     // to erase the feature presentation in the viewer
 443     // if should be done after removeFeature() of document,
 444     // by this reason, upper processFeatures() do not perform this flush
 445     Events_Loop::loop()->flush(kRedisplayEvent);
 446
 447     // in the end of transaction everything is updated, so clear the old objects
 448     //myIsParamUpdated = false; // to avoid problems in sprocket.py parameter update
 449     myWaitForFinish.clear();
 450   } else if (theMessage->eventID() == kReorderEvent) {
 451     std::shared_ptr<ModelAPI_OrderUpdatedMessage> aMsg =
 452       std::dynamic_pointer_cast<ModelAPI_OrderUpdatedMessage>(theMessage);
 453     if (aMsg->reordered().get())
 454       addModified(aMsg->reordered(), aMsg->reordered()); // to update all attributes
 455   }
 456 }
 457
 458 void Model_Update::processFeatures(const bool theFlushRedisplay)
 459 {
 460    // perform update of everything if it is not performed right now or any preview is blocked
 461   if (!myIsProcessed && !myIsPreviewBlocked) {
 462     myIsProcessed = true;
 463     #ifdef DEB_UPDATE
 464       std::cout<<"****** Start processing"<<std::endl;
 465     #endif
 466
 467     while(!myModified.empty()) {
 468       processFeature(myModified.begin()->first);
 469     }
 470     myIsProcessed = false;
 471
 472     // to update the object browser if something is updated/created during executions
 473     static Events_Loop* aLoop = Events_Loop::loop();
 474     static const Events_ID kCreatedEvent= aLoop->eventByName(EVENT_OBJECT_CREATED);
 475     aLoop->flush(kCreatedEvent);
 476     static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 477     aLoop->flush(kUpdatedEvent);
 478
 479     // flush to update display
 480     if (theFlushRedisplay) {
 481       static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 482       aLoop->flush(EVENT_DISP);
 483     }
 484     #ifdef DEB_UPDATE
 485       std::cout<<"****** End processing"<<std::endl;
 486     #endif
 487     myProcessed.clear();
 488   }
 489 }
 490
 491 // collects all the features this feature depends on: reasons
 492 static void allReasons(FeaturePtr theFeature, std::set<FeaturePtr>& theReasons) {
 493   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 494   theFeature->data()->referencesToObjects(aDeps);
 495   std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 496     anAttrsIter = aDeps.begin();
 497   for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 498     if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 499       std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 500       for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 501         FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 502         if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 503           ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 504           if (aDepRes.get()) {
 505             aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 506           }
 507         }
 508         if (aDepFeat.get() && aDepFeat->data()->isValid()) {
 509           theReasons.insert(aDepFeat);
 510         }
 511       }
 512     }
 513   }
 514   if (theFeature->getKind() == "Part") {
 515     // part is not depended on its subs directly, but subs must be iterated anyway
 516     CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 517     int aNum = aPart->numberOfSubs();
 518     for(int a = 0; a < aNum; a++) {
 519       FeaturePtr aSub = aPart->subFeature(a);
 520       if (aSub.get() && aSub->data()->isValid()) {
 521         theReasons.insert(aSub);
 522       }
 523     }
 524   }
 525 }
 526
 527 bool Model_Update::processFeature(FeaturePtr theFeature)
 528 {
 529   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 530
 531   if (!theFeature->data()->isValid()) { // deleted feature, just remove from all containers
 532     if (myModified.find(theFeature) != myModified.end())
 533       myModified.erase(theFeature);
 534     return false;
 535   }
 536
 537   if (theFeature->isPersistentResult()) {
 538     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
 539       return false;
 540   }
 541
 542   // check this feature is not yet checked or processed
 543   bool aIsModified = myModified.find(theFeature) != myModified.end();
 544   if (!aIsModified && myIsFinish) { // get info about the modification for features without preview
 545     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 546       aIsModified = true;
 547       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 548       // contains itself, so, we don't know which was the reason and the reason is any
 549       aNewSet.insert(theFeature);
 550       myModified[theFeature] = aNewSet;
 551     }
 552   }
 553
 554   if (myProcessed.find(theFeature) == myProcessed.end()) {
 555     myProcessed[theFeature] = 0;
 556   } else if (aIsModified) {
 557     int aCount = myProcessed[theFeature];
 558     if (aCount > 100) {
 559       // too many repetition of processing (in VS it may crash on 330 with stack overflow)
 560       Events_InfoMessage("Model_Update",
 561         "Feature '%1' is updated in infinitive loop").arg(theFeature->data()->name()).send();
 562       // to stop iteration
 563       myModified.clear();
 564       return false;
 565     }
 566     myProcessed[theFeature] = aCount + 1;
 567   }
 568
 569 #ifdef DEB_UPDATE
 570     std::cout<<"* Process feature "<<theFeature->name()<<std::endl;
 571 #endif
 572
 573   // update the sketch plane before the sketch sub-elements are recomputed
 574   // (otherwise sketch will update plane, modify subs, after executed, but with old subs edges)
 575     if (aIsModified && theFeature->getKind() == "Sketch") {
 576 #ifdef DEB_UPDATE
 577       std::cout << "****** Update sketch args " << theFeature->name() << std::endl;
 578 #endif
 579       AttributeSelectionPtr anExtSel = theFeature->selection("External");
 580       if (anExtSel.get()) {
 581         ResultPtr aContext = anExtSel->context();
 582         if (aContext.get() && aContext->document().get()) {
 583           FeaturePtr anExtBase = aContext->document()->feature(aContext);
 584           if (anExtBase.get()) {
 585             processFeature(anExtBase);
 586           }
 587           std::shared_ptr<GeomDataAPI_Point> anOrigin =
 588             std::dynamic_pointer_cast<GeomDataAPI_Point>(theFeature->attribute("Origin"));
 589           double anOX = anOrigin->x(), anOY = anOrigin->y(), anOZ = anOrigin->z();
 590           std::shared_ptr<GeomDataAPI_Dir> aDir =
 591             std::dynamic_pointer_cast<GeomDataAPI_Dir>(theFeature->attribute("DirX"));
 592           double aDX = aDir->x(), aDY = aDir->y(), aDZ = aDir->z();
 593           std::shared_ptr<GeomDataAPI_Dir> aNorm =
 594             std::dynamic_pointer_cast<GeomDataAPI_Dir>(theFeature->attribute("Norm"));
 595           double aNX = aNorm->x(), aNY = aNorm->y(), aNZ = aNorm->z();
 596           // update sketch plane
 597           updateArguments(theFeature);
 598           theFeature->attributeChanged("External"); // to recompute origin, direction and normal
 599           // check it is updated, so all must be changed
 600           if (anOrigin->x() != anOX || anOrigin->y() != anOY || anOrigin->z() != anOZ ||
 601               aDir->x() != aDX || aDir->y() != aDY || aDir->z() != aDZ ||
 602               aNorm->x() != aNX || aNorm->y() != aNY || aNorm->z() != aNZ)
 603           {
 604             std::set<FeaturePtr> aWholeR;
 605             allReasons(theFeature, aWholeR);
 606             std::set<FeaturePtr>::iterator aRIter = aWholeR.begin();
 607             for (; aRIter != aWholeR.end(); aRIter++) {
 608               if ((*aRIter)->data()->selection("External").get())
 609                 (*aRIter)->attributeChanged("External");
 610             }
 611           }
 612         }
 613       }
 614     }
 615
 616   if (!aIsModified) { // no modification is needed
 617     return false;
 618   }
 619
 620   // evaluate parameter before the sub-elements update:
 621   // it updates dependencies on evaluation (#1085)
 622   if (theFeature->getKind() == "Parameter") {
 623     theFeature->execute();
 624   }
 625
 626   bool isReferencedInvalid = false;
 627   // check all features this feature depended on (recursive call of updateFeature)
 628   std::set<FeaturePtr>& aReasons = myModified[theFeature];
 629   bool allSubsUsed = aReasons.find(theFeature) != aReasons.end();
 630   if (allSubsUsed) {
 631     // add all subs in aReasons and temporary remove "theFeature" to avoid processing itself
 632     allReasons(theFeature, aReasons);
 633     aReasons.erase(theFeature);
 634   }
 635   // take reasons one by one (they may be added during the feature process
 636   // (circle by the radius of sketch)
 637   std::set<FeaturePtr> aProcessedReasons;
 638   while(!aReasons.empty()) {
 639     FeaturePtr aReason = *(aReasons.begin());
 640 #ifdef DEB_UPDATE
 641     //cout<<theFeature->name()<<" process next reason "<<aReason->name()<<endl;
 642 #endif
 643     if (aReason != theFeature && (aReason)->data()->isValid()) {
 644       if (processFeature(aReason))
 645         aIsModified = true;
 646       // check validity of aReason once again because it may be removed by dependent feature
 647       // (e.g. by SketchPlugin_IntersectionPoint)
 648       if (!aReason->data()->isValid() ||
 649           aReason->data()->execState() == ModelAPI_StateInvalidArgument)
 650         isReferencedInvalid = true;
 651     }
 652     // searching for the next not used reason
 653     aProcessedReasons.insert(aReason);
 654     // check theFeature is still in the list of modified, because it may be removed sometimes
 655     // while updating SketchPlugin_Ellipse
 656     if (myModified.find(theFeature) != myModified.end())
 657       aReasons.erase(aReason);
 658     else
 659       break;
 660   }
 661   // restore the modified reasons: they will be used in the update of arguments
 662   if (allSubsUsed) { // restore theFeature in this set
 663     aProcessedReasons.insert(theFeature);
 664   }
 665   myModified[theFeature] = aProcessedReasons;
 666
 667   // do not execute the composite that contains the current
 668   bool isPostponedMain = false;
 669   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 670   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 671     CompositeFeaturePtr aCurrentOwner =
 672       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 673     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 674   } else if (theFeature->getKind() == "Sketch" &&
 675     std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures()) {
 676     // send event that sketch is prepared to be recomputed
 677     static Events_ID anID = Events_Loop::eventByName("SketchPrepared");
 678     std::shared_ptr<Events_Message> aMsg(new Events_Message(anID, this));
 679     Events_Loop* aLoop = Events_Loop::loop();
 680     // in case it is finish operation, flush for the sketch other events (#2450)
 681     aLoop->flush(aLoop->eventByName(EVENT_OBJECT_UPDATED));
 682     aLoop->send(aMsg);
 683     // check that sub-elements of sketch are updated => sketch must be re-processed
 684     std::set<FeaturePtr> aWholeR;
 685     allReasons(theFeature, aWholeR);
 686     std::set<FeaturePtr>::iterator aRIter = aWholeR.begin();
 687     for(; aRIter != aWholeR.end(); aRIter++) {
 688       if (myModified.find(*aRIter) != myModified.end()) {
 689         processFeature(theFeature);
 690         return true;
 691       }
 692     }
 693   }
 694
 695 #ifdef DEB_UPDATE
 696   std::cout<<"Update args "<<theFeature->name()<<std::endl;
 697 #endif
 698   // TestImport.py : after arguments are updated, theFeature may be removed
 699   if (!theFeature->data()->isValid())
 700     return false;
 701   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 702   updateArguments(theFeature);
 703
 704   // add this feature to the processed right now to be able remove it from this list on
 705   // update signal during this feature execution
 706   myModified.erase(theFeature);
 707   if (myNotPersistentRefs.find(theFeature) != myNotPersistentRefs.end())
 708     myNotPersistentRefs.erase(theFeature);
 709   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 710     theFeature->data()->execState(ModelAPI_StateDone);
 711
 712   // this checking must be after the composite feature sub-elements processing:
 713   // composite feature status may depend on it's sub-elements
 714   if ((theFeature->data()->execState() == ModelAPI_StateInvalidArgument || isReferencedInvalid) &&
 715     theFeature->getKind() != "Part") {
 716       // don't disable Part because it will make disabled all the features
 717       // (performance and problems with the current feature)
 718   #ifdef DEB_UPDATE
 719     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 720   #endif
 721     theFeature->eraseResults(false);
 722     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 723     return true; // so, feature is modified (results are erased)
 724   }
 725
 726   // execute feature if it must be updated
 727   ModelAPI_ExecState aState = theFeature->data()->execState();
 728   if (aFactory->validate(theFeature)) {
 729     if (!isPostponedMain) {
 730       bool aDoExecute = true;
 731       if (myUpdateBlocked) {
 732         if (!theFeature->isStable()) {
 733           aDoExecute = true;
 734         } else if (theFeature->results().size()) { // execute only not persistent results features
 735           aDoExecute = !theFeature->isPersistentResult();
 736         } else {
 737           aDoExecute = aState != ModelAPI_StateInvalidArgument;
 738         }
 739       }
 740       if (aDoExecute) {
 741         executeFeature(theFeature);
 742       } else {
 743         // store information that this feature must be executed later
 744         theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 745       }
 746     }
 747   } else {
 748     #ifdef DEB_UPDATE
 749       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 750     #endif
 751     theFeature->eraseResults(false);
 752     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 753   }
 754   return true;
 755 }
 756
 757 void Model_Update::redisplayWithResults(
 758   FeaturePtr theFeature, const ModelAPI_ExecState theState, bool theUpdateState)
 759 {
 760   // make updated and redisplay all results
 761   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 762
 763   std::list<ResultPtr> allResults;
 764   ModelAPI_Tools::allResults(theFeature, allResults);
 765   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 766   for (; aRIter != allResults.cend(); aRIter++) {
 767     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 768     if (!aRes->isDisabled()) {
 769       // update state only for enabled results
 770       // (Placement Result Part may make the original Part Result as invalid)
 771       if (theUpdateState)
 772         aRes->data()->execState(theState);
 773     }
 774     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 775       aRes->data()->setUpdateID(theFeature->data()->updateID());
 776     }
 777     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 778   }
 779   // to redisplay "presentable" feature (for ex. distance constraint)
 780   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 781   if (theUpdateState)
 782     theFeature->data()->execState(theState);
 783 }
 784
 785 /// Updates the state by the referenced object: if something bad with it, set state for this one
 786 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 787 {
 788   if (theTarget) {
 789     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 790     if (aRefState == ModelAPI_StateMustBeUpdated) {
 791       if (theCurrent == ModelAPI_StateDone)
 792         return ModelAPI_StateMustBeUpdated;
 793     } else if (aRefState != ModelAPI_StateDone) {
 794       return ModelAPI_StateInvalidArgument;
 795     }
 796   }
 797   return theCurrent;
 798 }
 799
 800 void Model_Update::updateArguments(FeaturePtr theFeature) {
 801   // perform this method also for disabled features: to make "not done" state for
 802   // features referenced to the active and modified features
 803   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 804
 805   ModelAPI_ExecState aState = theFeature->data()->execState();
 806   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 807     aState = ModelAPI_StateMustBeUpdated;
 808   }
 809   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 810     aState = ModelAPI_StateMustBeUpdated;
 811   // check the parameters state
 812   // Integer
 813   {
 814     std::list<AttributePtr> anAttrinbutes =
 815       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 816     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 817     for(; anIter != anAttrinbutes.end(); anIter++) {
 818       AttributeIntegerPtr anAttribute =
 819         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 820       if (anAttribute.get() && !anAttribute->text().empty()) {
 821         if (myIsParamUpdated) {
 822           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 823         }
 824         if (anAttribute->expressionInvalid()) {
 825           aState = ModelAPI_StateInvalidArgument;
 826         }
 827       }
 828     }
 829   }
 830   // Double
 831   {
 832     std::list<AttributePtr> aDoubles =
 833       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 834     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 835     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 836       AttributeDoublePtr aDouble =
 837         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 838       if (aDouble.get() && !aDouble->text().empty()) {
 839         if (myIsParamUpdated) {
 840           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 841         }
 842         if (aDouble->expressionInvalid()) {
 843           aState = ModelAPI_StateInvalidArgument;
 844         }
 845       }
 846     }
 847   }
 848   // Point
 849   {
 850     std::list<AttributePtr> anAttributes =
 851       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 852     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 853     for(; anIter != anAttributes.end(); anIter++) {
 854       AttributePointPtr aPointAttribute =
 855         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 856       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 857           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 858         if (myIsParamUpdated) {
 859           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 860         }
 861         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 862           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 863           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 864           aState = ModelAPI_StateInvalidArgument;
 865       }
 866     }
 867   }
 868   // Point2D
 869   {
 870     std::list<AttributePtr> anAttributes =
 871       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 872     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 873     for(; anIter != anAttributes.end(); anIter++) {
 874       AttributePoint2DPtr aPoint2DAttribute =
 875         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 876       if (aPoint2DAttribute.get()) {
 877         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 878             !aPoint2DAttribute->textY().empty())) {
 879           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 880         }
 881         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 882           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 883           aState = ModelAPI_StateInvalidArgument;
 884       }
 885     }
 886   }
 887   // update the selection attributes if any
 888   std::list<AttributePtr> aRefs =
 889     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 890   std::list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 891   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 892     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 893       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 894     ObjectPtr aContext = aSel->context();
 895     // update argument only if the referenced object is ready to use
 896     if (aContext.get() && !aContext->isDisabled()) {
 897       if (isReason(theFeature, aContext)) {
 898         if (!aSel->update()) { // this must be done on execution since it may be long operation
 899           bool isObligatory = !aFactory->isNotObligatory(
 900             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 901             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 902           if (isObligatory)
 903             aState = ModelAPI_StateInvalidArgument;
 904         }
 905       }
 906     } else if (aContext.get()) {
 907       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 908       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 909       if (isObligatory)
 910         aState = ModelAPI_StateInvalidArgument;
 911     } else if (theFeature->getKind() == "Sketch" && aSel->id() == "External" &&
 912                aSel->isInitialized()) {
 913       // #19703 : if sketch plane was selected, but after context disappears, it must become invalid
 914       aSel->update();
 915       if (aSel->isInvalid()) {
 916           aState = ModelAPI_StateInvalidArgument;
 917       }
 918     }
 919   }
 920   // update the selection list attributes if any
 921   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 922   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 923     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 924       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 925     // #19071 : avoid sending of update event in cycle
 926     bool aWasBlocked = theFeature->data()->blockSendAttributeUpdated(true);
 927     // list to keep the shared pointers while update is blocked (in messages raw poiters are used)
 928     std::list<AttributeSelectionPtr> anAttrList;
 929     for(int a = aSel->size() - 1; a >= 0; a--) {
 930       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 931         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 932       if (aSelAttr) {
 933         ObjectPtr aContext = aSelAttr->context();
 934         // update argument only if the referenced object is ready to use
 935         if (aContext.get() && !aContext->isDisabled()) {
 936           if (isReason(theFeature, aContext)) {
 937             anAttrList.push_back(aSelAttr);
 938             if (!aSelAttr->update()) {
 939               bool isObligatory = !aFactory->isNotObligatory(
 940                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 941                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 942               if (isObligatory)
 943                 aState = ModelAPI_StateInvalidArgument;
 944             }
 945           }
 946         } else if (aContext.get()) {
 947           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 948           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 949           if (isObligatory)
 950             aState = ModelAPI_StateInvalidArgument;
 951         }
 952       }
 953     }
 954     if (!aWasBlocked)
 955       theFeature->data()->blockSendAttributeUpdated(false);
 956   }
 957
 958   if (aState != ModelAPI_StateDone)
 959     theFeature->data()->execState(aState);
 960 }
 961
 962 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 963      std::shared_ptr<ModelAPI_Object> theReason)
 964 {
 965   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 966     ::iterator aReasonsIt = myModified.find(theFeature);
 967   if (aReasonsIt != myModified.end()) {
 968     if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 969       return true; // any is reason if it contains itself
 970     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 971     if (!aReasFeat.get()) { // try to get feature of this result
 972       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 973       if (aReasRes.get())
 974         aReasFeat = theReason->document()->feature(aReasRes);
 975     }
 976     if (aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end())
 977       return true;
 978   }
 979   // another try: postponed modification by not-persistences
 980   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 981     ::iterator aNotPersist = myNotPersistentRefs.find(theFeature);
 982   if (aNotPersist != myNotPersistentRefs.end()) {
 983     FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 984     if (!aReasFeat.get()) { // try to get feature of this result
 985       ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 986       if (aReasRes.get())
 987         aReasFeat = theReason->document()->feature(aReasRes);
 988     }
 989     if (aNotPersist->second.find(aReasFeat) != aNotPersist->second.end())
 990       return true;
 991   }
 992
 993   // this case only for not-previewed items update state, nothing is changed in args for it
 994   return false;
 995 }
 996
 997 void Model_Update::executeFeature(FeaturePtr theFeature)
 998 {
 999 #ifdef DEB_UPDATE
1000   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
1001 #endif
1002   // execute in try-catch to avoid internal problems of the feature
1003   ModelAPI_ExecState aState = ModelAPI_StateDone;
1004   theFeature->data()->execState(ModelAPI_StateDone);
1005   try {
1006     theFeature->execute();
1007     if (theFeature->data()->execState() != ModelAPI_StateDone) {
1008       aState = ModelAPI_StateExecFailed;
1009     } else {
1010       aState = ModelAPI_StateDone;
1011     }
1012   } catch(...) {
1013     aState = ModelAPI_StateExecFailed;
1014     Events_InfoMessage("Model_Update",
1015       "Feature %1 has failed during the execution").arg(theFeature->getKind()).send();
1016   }
1017   // The macro feature has to be deleted in any case even its execution is failed
1018   myWaitForFinish.insert(theFeature);
1019   if (aState != ModelAPI_StateDone) {
1020     theFeature->eraseResults(false);
1021   }
1022   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
1023   redisplayWithResults(theFeature, aState);
1024 }
1025
1026 // it is called on GUI edit of feature start
1027 // LCOV_EXCL_START
1028 void Model_Update::updateStability(void* theSender)
1029 {
1030   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
1031   if (theSender) {
1032     bool added = false; // object may be was crated
1033     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
1034     if (aSender && aSender->document()) {
1035       FeaturePtr aFeatureSender =
1036         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
1037       if (aFeatureSender.get()) {
1038         Model_Objects* aDocObjects =
1039           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
1040         if (aDocObjects) {
1041           //aDocObjects->synchronizeBackRefs();
1042           // remove or add all concealment refs from this feature
1043           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
1044           aSender->data()->referencesToObjects(aRefs);
1045           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator
1046             aRefIt = aRefs.begin();
1047           for(; aRefIt != aRefs.end(); aRefIt++) {
1048             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
1049               // take into account only concealed references
1050               // (do not remove the sketch constraint and the edge on constraint edit)
1051               continue;
1052             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
1053             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
1054             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
1055                // stability is only on results: feature to feature reference mean nested
1056               // features, that will remove nesting references
1057               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
1058                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
1059                 std::shared_ptr<Model_Data> aData =
1060                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
1061                 if (aFeatureSender->isStable()) {
1062                   aData->addBackReference(aFeatureSender, aRefIt->first);
1063                 } else {
1064                   aData->removeBackReference(aFeatureSender, aRefIt->first);
1065                   added = true; // remove of concealment may be caused creation of some result
1066                 }
1067               }
1068             }
1069           }
1070         }
1071       }
1072     }
1073     if (added) {
1074       static Events_Loop* aLoop = Events_Loop::loop();
1075       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
1076       aLoop->flush(kEventCreated);
1077     }
1078   }
1079 }
1080 // LCOV_EXCL_STOP
1081
1082 void Model_Update::updateSelection(const std::set<std::shared_ptr<ModelAPI_Object> >& theObjects)
1083 {
1084   std::set<std::shared_ptr<ModelAPI_Object> >::iterator anObj = theObjects.begin();
1085   for(; anObj != theObjects.end(); anObj++) {
1086     std::list<AttributePtr> aRefs =
1087       (*anObj)->data()->attributes(ModelAPI_AttributeSelection::typeId());
1088     std::list<AttributePtr>::iterator aRefsIter = aRefs.begin();
1089     for (; aRefsIter != aRefs.end(); aRefsIter++) {
1090       std::shared_ptr<Model_AttributeSelection> aSel =
1091         std::dynamic_pointer_cast<Model_AttributeSelection>(*aRefsIter);
1092       bool aRemove = false;
1093       aSel->updateInHistory(aRemove);
1094     }
1095     // update the selection list attributes if any
1096     aRefs = (*anObj)->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
1097     for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
1098       std::set<int> aRemoveSet;
1099       std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
1100         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
1101       for(int a = aSel->size() - 1; a >= 0; a--) {
1102         std::shared_ptr<Model_AttributeSelection> aSelAttr =
1103           std::dynamic_pointer_cast<Model_AttributeSelection>(aSel->value(a));
1104         if (aSelAttr.get()) {
1105           bool theRemove = false;
1106           aSelAttr->updateInHistory(theRemove);
1107           if (theRemove) {
1108             aRemoveSet.insert(a);
1109           }
1110         }
1111       }
1112       aSel->remove(aRemoveSet);
1113     }
1114   }
1115 }