src/Model/Model_Update.cpp

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