src/Model/Model_Update.cpp

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