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