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 kRebuildEvent = aLoop->eventByName("Rebuild");
  44   aLoop->registerListener(this, kRebuildEvent);
  45   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  46   aLoop->registerListener(this, kCreatedEvent);
  47   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  48   aLoop->registerListener(this, kUpdatedEvent);
  49   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  50   aLoop->registerListener(this, kMovedEvent);
  51   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  52   aLoop->registerListener(this, kOpFinishEvent);
  53   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  54   aLoop->registerListener(this, kOpAbortEvent);
  55   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  56   aLoop->registerListener(this, kOpStartEvent);
  57   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  58   aLoop->registerListener(this, kStabilityEvent);
  59
  60   /* not needed now with history line
  61   Config_PropManager::registerProp("Model update", "automatic_rebuild", "Rebuild immediately",
  62                                    Config_Prop::Boolean, "false");*/
  63   myIsAutomatic = true;
  64   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  65   myIsParamUpdated = false;
  66   myIsFinish = false;
  67   myModification = 0;
  68 }
  69
  70 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  71 {
  72   static Events_Loop* aLoop = Events_Loop::loop();
  73   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  74   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  75   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
  76   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
  77   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  78   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  79   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  80   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  81   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  82 #ifdef DEB_UPDATE
  83   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
  84 #endif
  85   if (theMessage->eventID() == kStabilityEvent)
  86     updateStability(theMessage->sender());
  87   if (theMessage->eventID() == kChangedEvent) { // automatic and manual rebuild flag is changed
  88     /*bool aPropVal =
  89       Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  90     if (aPropVal != myIsAutomatic) { // something is changed
  91       // myIsAutomatic = aPropVal;
  92       if (myIsAutomatic) // higher level of automatization => to rebuild
  93         processOperation(false);
  94     }*/
  95     return;
  96   } else if (theMessage->eventID() == kRebuildEvent) { // the rebuild command
  97     processOperation(true);
  98   } else if (theMessage->eventID() == kCreatedEvent || theMessage->eventID() == kUpdatedEvent ||
  99              theMessage->eventID() == kMovedEvent) {
 100     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 101         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 102     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 103     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 104     bool isOnlyResults = true; // check that only results were changed: only redisplay is needed
 105     for(; anObjIter != anObjs.cend(); anObjIter++) {
 106       if (!std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter).get()) {
 107         isOnlyResults = false;
 108       }
 109       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 110         myIsParamUpdated = true;
 111       }
 112       // on undo/redo, abort do not update persisten features
 113       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 114       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures() ||
 115           (anUpdated.get() && !anUpdated->isPersistentResult())) {
 116         // created objects are always must be up to date (python box feature)
 117         // and updated not in internal uptation chain
 118         myUpdated[*anObjIter] = myModification;
 119
 120         // something is updated during the execution: re-execute it (sketch update by parameters or
 121         // Box macro that updates the upper features during the execution)
 122         if (myIsExecuted) {
 123           FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 124           if (anUpdated.get() &&  anUpdated->data()->isValid())
 125             iterateUpdateBreak(anUpdated);
 126         }
 127 #ifdef DEB_UPDATE
 128         if (myIsExecuted) std::cout<<"During execution ";
 129         if ((*anObjIter)->data() && (*anObjIter)->data()->isValid()) {
 130           std::cout<<"add updated "<<(*anObjIter)->groupName()<<" "
 131             <<(*anObjIter)->data()->name()<<std::endl;
 132         }
 133 #endif
 134       }
 135
 136     }
 137     // this event is for solver update, not here, do not react immediately
 138     if (!isOnlyResults && !(theMessage->eventID() == kMovedEvent))
 139       processOperation(false);
 140   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 141       theMessage->eventID() == kOpStartEvent) {
 142
 143     if (!(theMessage->eventID() == kOpStartEvent)) {
 144       myIsFinish = true;
 145       processOperation(true, theMessage->eventID() == kOpFinishEvent);
 146       myIsFinish = false;
 147     }
 148     // remove all macros before clearing all created
 149     std::set<ObjectPtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 150     while(anUpdatedIter != myWaitForFinish.end()) {
 151       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 152       if (aFeature.get()) {
 153         // remove macro on finish
 154         if (aFeature->isMacro()) {
 155           aFeature->document()->removeFeature(aFeature);
 156           myWaitForFinish.erase(aFeature);
 157         }
 158         // to avoid the map update problems on "remove"
 159         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 160           anUpdatedIter = myWaitForFinish.begin();
 161         } else {
 162           anUpdatedIter++;
 163         }
 164       } else {
 165         anUpdatedIter++;
 166       }
 167     }
 168     // in the end of transaction everything is updated, so clear the old objects (the only one
 169     // place where results are cleared)
 170     myIsParamUpdated = false;
 171     myUpdated.clear();
 172     myModification = 0;
 173     myWaitForFinish.clear();
 174   }
 175 }
 176
 177 bool Model_Update::iterateUpdate(std::shared_ptr<ModelAPI_CompositeFeature> theFeature)
 178 {
 179   myProcessIterator.push_back(IterationItem(theFeature));
 180   IterationItem& aCurrent = *myProcessIterator.rbegin();
 181   // two cycles: parameters must be processed first
 182   for(aCurrent.startIteration(true); aCurrent.more(); aCurrent.next()) {
 183     if (aCurrent.current()->getKind() == "Parameter")
 184       updateFeature(aCurrent.current());
 185   }
 186   // number of subs can be changed in execution: like fillet
 187   for(aCurrent.startIteration(false); aCurrent.more(); aCurrent.next()) {
 188     FeaturePtr aSub = aCurrent.current();
 189     if (aSub->getKind() != "Parameter")
 190       updateFeature(aSub);
 191   }
 192   // processing is finished, so, remove the iterated
 193   bool aResult = !aCurrent.isBreaked(); // iteration is finished correctly, not breaked
 194   myProcessIterator.pop_back();
 195   return aResult;
 196 }
 197
 198 void Model_Update::iterateUpdateBreak(std::shared_ptr<ModelAPI_Feature> theFeature)
 199 {
 200   // checking that this feature is before the current iterated one: otherwise break is not needed
 201   std::list<IterationItem>::reverse_iterator aProcessed = myProcessIterator.rbegin();
 202   for(; aProcessed != myProcessIterator.rend(); aProcessed++) {
 203     if (aProcessed->isIterated(theFeature)) {
 204       if (aProcessed->isEarlierThanCurrent(theFeature)) {
 205         // break all lower level iterators
 206         std::list<IterationItem>::reverse_iterator aBreaked = myProcessIterator.rbegin();
 207         for(; aBreaked != aProcessed; aBreaked++) {
 208           aBreaked->setBreaked();
 209         }
 210         // for the current breaked, set iteration to this feature precisely
 211         aBreaked->setCurrentBefore(theFeature);
 212         //myModification++;
 213       }
 214       // the iterator that contains breaked is found, so, nothing else is needed
 215       return;
 216     }
 217   }
 218   // if this feature is not found in the list of the currently iterated, try to break the parent
 219   FeaturePtr aParent = ModelAPI_Tools::compositeOwner(theFeature);
 220   if (aParent.get())
 221     iterateUpdateBreak(aParent);
 222 }
 223
 224 void Model_Update::processOperation(const bool theTotalUpdate, const bool theFinish)
 225 {
 226   /* cancel hardcode due to issue 948
 227   if (theFinish) {
 228     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 229     std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 230     for(aFIter = myWaitForFinish.begin(); aFIter != myWaitForFinish.end(); aFIter++)
 231     {
 232       FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 233       if (aF && aF->data()->isValid() &&
 234            (aF->getKind() == "Extrusion" || aF->getKind() == "Revolution")) {
 235         AttributeSelectionListPtr aBase = aF->selectionList("base");
 236         if (aBase.get()) {
 237           for(int a = aBase->size() - 1; a >= 0; a--) {
 238             ResultPtr aSketchRes = aBase->value(a)->context();
 239             if (aSketchRes) {
 240               aSketchRes->setDisplayed(false);
 241             }
 242           }
 243         }
 244       }
 245     }
 246   } */
 247   // perform update of everything if needed
 248   if (!myIsExecuted) {
 249     #ifdef DEB_UPDATE
 250       std::cout<<"****** Start processing"<<std::endl;
 251     #endif
 252     myIsExecuted = true;
 253
 254     bool isAutomaticChanged = false;
 255
 256     if (theTotalUpdate && !myIsAutomatic) { // Apply button now works as "Rebuild"
 257       isAutomaticChanged = true;
 258       myIsAutomatic = true;
 259     }
 260     // init iteration from the root document
 261     iterateUpdate(CompositeFeaturePtr());
 262
 263     if (isAutomaticChanged) myIsAutomatic = false;
 264     myIsExecuted = false;
 265     myModification++;
 266
 267     // flush to update display
 268     static Events_Loop* aLoop = Events_Loop::loop();
 269     static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 270     aLoop->flush(EVENT_DISP);
 271     #ifdef DEB_UPDATE
 272       std::cout<<"****** End processing"<<std::endl;
 273     #endif
 274   }
 275 }
 276
 277 void Model_Update::updateFeature(FeaturePtr theFeature)
 278 {
 279   // check all features this feature depended on (recursive call of updateFeature)
 280   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 281
 282   if (theFeature->isDisabled()) {
 283     // possibly sub-elements are not disabled?
 284     CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 285     if (aCompos)
 286       iterateUpdate(aCompos);
 287     return;
 288   }
 289
 290   // do not execute the composite that contains the current
 291   bool isPostponedMain = false;
 292   CompositeFeaturePtr aMain = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 293   if (theFeature->getKind() == "ExtrusionSketch" && aMain.get()) {
 294     CompositeFeaturePtr aCurrentOwner =
 295       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 296     isPostponedMain = aCurrentOwner.get() && aMain->isSub(aCurrentOwner);
 297   }
 298
 299   #ifdef DEB_UPDATE
 300     std::cout<<"Update Feature "<<theFeature->name()<<std::endl;
 301   #endif
 302   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 303   // If automatice update is not needed and feature attributes were not updated right now,
 304   // do not execute it and do not update arguments.
 305   if (!myIsAutomatic &&
 306        (myUpdated.find(theFeature) == myUpdated.end() || myUpdated[theFeature] != myModification)
 307        && !aCompos.get()) {
 308     // execute will be performed later, but some features may have not-result
 309     // presentations, so call update for them (like coincidence in the sketcher)
 310     static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 311     ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 312     return;
 313   }
 314
 315   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 316   updateArguments(theFeature);
 317
 318   // composite feature must be executed after sub-features execution
 319   if (aCompos) {
 320     if (!iterateUpdate(aCompos))
 321       return; // iteration was interrupted, so, interrupt the update of this feature (it will be done later)
 322     // reupdate arguments of composite feature: it may be changed during subs execution
 323
 324     // issue 955: extrusion fuse sketch naming must be updated after the sketch update
 325     // so, comment this: if (theFeature->data()->execState() != ModelAPI_StateMustBeUpdated)
 326       updateArguments(theFeature);
 327   }
 328   // this checking must be after the composite feature sub-elements processing:
 329   // composite feature status may depend on it's subelements
 330   if (theFeature->data()->execState() == ModelAPI_StateInvalidArgument) {
 331     theFeature->eraseResults();
 332     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 333     return;
 334   }
 335
 336   // only the currently updated features are executed
 337   bool aJustUpdated = myUpdated.find(theFeature) != myUpdated.end();
 338   if (aJustUpdated) {
 339     // if preview is not needed, the created feature was not updated before, so, myModification is not actual for this
 340     if (theFeature->isPreviewNeeded()) {
 341       aJustUpdated = myUpdated[theFeature] == myModification;
 342     }
 343   }
 344
 345   if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 346     aJustUpdated = true;
 347
 348   // On abort, undo or redo execute is not needed: results in document are updated automatically
 349   // But redisplay is needed: results are updated, must be also updated in the viewer.
 350   if (aJustUpdated &&
 351       !std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures()) {
 352     if (!theFeature->isPersistentResult()) { // not persistent must be re-executed on abort, etc.
 353       ModelAPI_ExecState aState = theFeature->data()->execState();
 354       if (aFactory->validate(theFeature)) {
 355         executeFeature(theFeature);
 356       } else {
 357         theFeature->eraseResults();
 358         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 359       }
 360     } else {
 361       redisplayWithResults(theFeature, ModelAPI_StateNothing);
 362       if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) { // it is done (in the tree)
 363         theFeature->data()->execState(ModelAPI_StateDone);
 364       }
 365       // it will be not updated with new modifications: only the currently updated features are updated
 366       //if (myUpdated.find(theFeature) != myUpdated.end()) {
 367       //  myUpdated.erase(theFeature); // do not update this persistent feature even in the future
 368       //}
 369     }
 370     return;
 371   }
 372
 373   // execute feature if it must be updated
 374   if (theFeature->isPreviewNeeded() || myIsFinish) {
 375     if (aJustUpdated) {
 376       ModelAPI_ExecState aState = theFeature->data()->execState();
 377       if (aFactory->validate(theFeature)) {
 378         if (!isPostponedMain) {
 379           #ifdef DEB_UPDATE
 380             std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 381           #endif
 382           executeFeature(theFeature);
 383         }
 384       } else {
 385         #ifdef DEB_UPDATE
 386           std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 387         #endif
 388         theFeature->eraseResults();
 389         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 390       }
 391     }
 392   } else { // preview is not needed => make state Done
 393     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 394       theFeature->data()->execState(ModelAPI_StateDone);
 395       if (aJustUpdated) {// store that it must be updated on finish
 396         myUpdated[theFeature] = myModification;
 397         aFactory->validate(theFeature); // need to be validated to update the "Apply" state if not previewed
 398       }
 399     }
 400   }
 401 }
 402
 403 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 404 {
 405   // make updated and redisplay all results
 406   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 407   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 408   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 409   for (; aRIter != aResults.cend(); aRIter++) {
 410     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 411     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 412       aRes->data()->execState(theState);
 413       if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 414         myUpdated[aRes] = myModification;
 415     }
 416     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 417       aRes->data()->setUpdateID(theFeature->data()->updateID());
 418     }
 419     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 420     // iterate sub-bodies of compsolid
 421     ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 422     if (aComp.get()) {
 423       int aNumSub = aComp->numberOfSubs();
 424       for(int a = 0; a < aNumSub; a++) {
 425         ResultPtr aSub = aComp->subResult(a);
 426         if (!aSub->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 427           aSub->data()->execState(theState);
 428           if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 429             myUpdated[aSub] = myModification;
 430         }
 431         if (theFeature->data()->updateID() > aSub->data()->updateID()) {
 432           aSub->data()->setUpdateID(theFeature->data()->updateID());
 433         }
 434         ModelAPI_EventCreator::get()->sendUpdated(aSub, EVENT_DISP);
 435       }
 436     }
 437   }
 438   // to redisplay "presentable" feature (for ex. distance constraint)
 439   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 440   theFeature->data()->execState(theState);
 441 }
 442
 443 /// Updates the state by the referenced object: if something bad with it, set state for this one
 444 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 445 {
 446   if (theTarget) {
 447     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 448     if (aRefState == ModelAPI_StateMustBeUpdated) {
 449       if (theCurrent == ModelAPI_StateDone)
 450         return ModelAPI_StateMustBeUpdated;
 451     } else if (aRefState != ModelAPI_StateDone) {
 452       return ModelAPI_StateInvalidArgument;
 453     }
 454   }
 455   return theCurrent;
 456 }
 457
 458 bool Model_Update::isOlder(std::shared_ptr<ModelAPI_Feature> theFeature,
 459                            std::shared_ptr<ModelAPI_Object> theArgument)
 460 {
 461   int aFeatureID = theFeature->data()->updateID();
 462   int anArgID = theArgument->data()->updateID();
 463   if (aFeatureID < anArgID)
 464     return true;
 465   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator anAIter = myUpdated.find(theArgument);
 466   if (anAIter == myUpdated.end())
 467     return false;
 468   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator aFIter = myUpdated.find(theFeature);
 469   if (aFIter == myUpdated.end())
 470     return true; // argument is updated, but feature is not updated at all
 471   return aFIter->second < anAIter->second;
 472 }
 473
 474 void Model_Update::updateArguments(FeaturePtr theFeature) {
 475   // perform this method also for disabled features: to make "not done" state for
 476   // features referenced to the active and modified features
 477
 478   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 479
 480   ModelAPI_ExecState aState = theFeature->data()->execState();
 481   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 482     aState = ModelAPI_StateMustBeUpdated;
 483   }
 484   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 485     aState = ModelAPI_StateMustBeUpdated;
 486   // check the parameters state
 487   // Double
 488   std::list<AttributePtr> aDoubles =
 489     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 490   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 491   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 492     AttributeDoublePtr aDouble =
 493       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 494     if (aDouble.get() && !aDouble->text().empty()) {
 495       if (myIsParamUpdated) {
 496         ModelAPI_AttributeEvalMessage::send(aDouble, this);
 497       }
 498       if (aDouble->expressionInvalid()) {
 499         aState = ModelAPI_StateInvalidArgument;
 500       }
 501     }
 502   }
 503   // Point
 504   {
 505     std::list<AttributePtr> anAttributes =
 506       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 507     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 508     for(; anIter != anAttributes.end(); anIter++) {
 509       AttributePointPtr aPointAttribute =
 510         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 511       if (aPointAttribute.get()) {
 512         if (myIsParamUpdated) {
 513           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 514         }
 515         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 516           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 517           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 518           aState = ModelAPI_StateInvalidArgument;
 519       }
 520     }
 521   }
 522   // Point2D
 523   {
 524     std::list<AttributePtr> anAttributes =
 525       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 526     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 527     for(; anIter != anAttributes.end(); anIter++) {
 528       AttributePoint2DPtr aPoint2DAttribute =
 529         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 530       if (aPoint2DAttribute.get()) {
 531         if (myIsParamUpdated) {
 532           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 533         }
 534         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 535           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 536           aState = ModelAPI_StateInvalidArgument;
 537       }
 538     }
 539   }
 540
 541   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 542   //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 543   // before execution update the selection attributes if any
 544   list<AttributePtr> aRefs =
 545     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 546   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 547   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 548     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 549       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 550     ObjectPtr aContext = aSel->context();
 551     // update argument only if the referenced object is changed
 552     if (aContext.get() && !aContext->isDisabled()) {
 553       bool isObligatory = !aFactory->isNotObligatory(
 554         theFeature->getKind(), theFeature->data()->id(aSel)) &&
 555         aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 556       if (isOlder(theFeature, aContext)) {
 557         if (aState == ModelAPI_StateDone)
 558           aState = ModelAPI_StateMustBeUpdated;
 559         if (!aSel->update()) { // this must be done on execution since it may be long operation
 560           if (isObligatory)
 561             aState = ModelAPI_StateInvalidArgument;
 562         }
 563       } else if (aSel->isInvalid()) { // not needed to update, but invalid (stated previously)
 564         if (isObligatory)
 565           aState = ModelAPI_StateInvalidArgument;
 566       }
 567     }
 568   }
 569   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 570   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 571     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 572       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 573     for(int a = aSel->size() - 1; a >= 0; a--) {
 574       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 575         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 576       if (aSelAttr) {
 577         ObjectPtr aContext = aSelAttr->context();
 578         // update argument onlt if the referenced object is changed
 579         if (aContext.get() && !aContext->isDisabled()) {
 580           bool isObligatory = !aFactory->isNotObligatory(
 581             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 582             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 583           if (isOlder(theFeature, aContext)) {
 584             if (aState == ModelAPI_StateDone)
 585                 aState = ModelAPI_StateMustBeUpdated;
 586             if (!aSelAttr->update()) {
 587               if (isObligatory)
 588                 aState = ModelAPI_StateInvalidArgument;
 589             }
 590           } else if (aSelAttr->isInvalid()) {
 591             if (isObligatory)
 592               aState = ModelAPI_StateInvalidArgument;
 593           }
 594         }
 595       }
 596     }
 597   }
 598   // check all references: if referenced objects are updated, this object also must be updated
 599   // also check state of referenced objects: if they are not ready, inherit corresponding state
 600   std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefsObj;
 601   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 602   aData->referencesToObjects(aRefsObj);
 603   std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefsObj.begin();
 604   for(; aRef != aRefsObj.end(); aRef++) {
 605     std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 606     for(; aRefObj != aRef->second.end(); aRefObj++) {
 607       // if reference is null, it may mean that this reference is to other document
 608       // the does not supported by RefList: parameters may be recomputed
 609       if (!aRefObj->get() && theFeature->firstResult().get() &&
 610                theFeature->firstResult()->groupName() == ModelAPI_ResultParameter::group()) {
 611           if (aState == ModelAPI_StateDone)
 612             aState = ModelAPI_StateMustBeUpdated;
 613       } else if (aRefObj->get() && isOlder(theFeature, *aRefObj)) {
 614         if (aState == ModelAPI_StateDone)
 615           aState = ModelAPI_StateMustBeUpdated;
 616       }
 617       aState = stateByReference(*aRefObj, aState);
 618     }
 619   }
 620   // composites sub-elements
 621   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 622   // composite feature must be executed after sub-features execution
 623   if (aCompos) {
 624     // number of subs can be changed in execution: like fillet
 625     int aNumSubs = aCompos->numberOfSubs();
 626     for(int a = 0; a < aNumSubs; a++) {
 627       FeaturePtr aSub = aCompos->subFeature(a);
 628       if (aSub.get() && aState == ModelAPI_StateDone) {
 629         if (isOlder(theFeature, aSub)) {
 630           aState = ModelAPI_StateMustBeUpdated;
 631         }
 632         // also check that all results of subs were updated: composite also depends on the results
 633         const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 634         std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aResults.begin();
 635         for(; aResIter != aResults.end(); aResIter++) {
 636           if (aResIter->get() && (*aResIter)->data()->isValid() && !(*aResIter)->isDisabled() &&
 637               isOlder(theFeature, *aResIter)) {
 638             aState = ModelAPI_StateMustBeUpdated;
 639           }
 640         }
 641       }
 642       if (a == aNumSubs - 1) // in case number of subs is changed, just recheck before end
 643         aNumSubs = aCompos->numberOfSubs();
 644     }
 645   }
 646
 647
 648   if (aState != ModelAPI_StateDone)
 649     theFeature->data()->execState(aState);
 650 }
 651
 652 void Model_Update::executeFeature(FeaturePtr theFeature)
 653 {
 654   // execute in try-catch to avoid internal problems of the feature
 655   ModelAPI_ExecState aState = ModelAPI_StateDone;
 656   theFeature->data()->execState(ModelAPI_StateDone);
 657   try {
 658     theFeature->execute();
 659     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 660       aState = ModelAPI_StateExecFailed;
 661     } else {
 662       aState = ModelAPI_StateDone;
 663       myWaitForFinish.insert(theFeature);
 664     }
 665   } catch(...) {
 666     aState = ModelAPI_StateExecFailed;
 667     Events_Error::send(
 668       "Feature " + theFeature->getKind() + " has failed during the execution");
 669   }
 670   if (aState != ModelAPI_StateDone) {
 671     theFeature->eraseResults();
 672   }
 673   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 674   redisplayWithResults(theFeature, aState);
 675 }
 676
 677 void Model_Update::updateStability(void* theSender)
 678 {
 679   if (theSender) {
 680     bool added = false; // object may be was crated
 681     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 682     if (aSender && aSender->document()) {
 683       FeaturePtr aFeatureSender =
 684         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
 685       if (aFeatureSender.get()) {
 686         Model_Objects* aDocObjects =
 687           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
 688         if (aDocObjects) {
 689           //aDocObjects->synchronizeBackRefs();
 690           // remove or add all concealment refs from this feature
 691           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 692           aSender->data()->referencesToObjects(aRefs);
 693           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRefIt = aRefs.begin();
 694           for(; aRefIt != aRefs.end(); aRefIt++) {
 695             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
 696             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
 697             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
 698                // stability is only on results: feature to feature reference mean nested
 699               // features, that will remove nesting references
 700               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
 701                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
 702                 std::shared_ptr<Model_Data> aData =
 703                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
 704                 if (aFeatureSender->isStable()) {
 705                   aData->addBackReference(aFeatureSender, aRefIt->first);
 706                 } else {
 707                   aData->removeBackReference(aFeatureSender, aRefIt->first);
 708                   added = true; // remove of concealment may be caused creation of some result
 709                 }
 710               }
 711             }
 712           }
 713         }
 714       }
 715     }
 716     if (added) {
 717       static Events_Loop* aLoop = Events_Loop::loop();
 718       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
 719       aLoop->flush(kEventCreated);
 720     }
 721   }
 722 }
 723
 724 ///////////////// Updated items iterator ////////////////////////
 725 Model_Update::IterationItem::IterationItem(std::shared_ptr<ModelAPI_CompositeFeature> theFeature)
 726 {
 727   myBreaked = false;
 728   myIsVirtual = false;
 729   myMain = theFeature;
 730   myObjects = NULL;
 731   if (!myMain.get() && ModelAPI_Session::get()->hasModuleDocument()) { // no document => nothing to do
 732     DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 733     myObjects = std::dynamic_pointer_cast<Model_Document>(aRootDoc)->objects();
 734   }
 735   mySkipNext = false;
 736 }
 737
 738 void Model_Update::IterationItem::next()
 739 {
 740   if (mySkipNext) { // ignore one next
 741     mySkipNext = false;
 742     return;
 743   }
 744   if (!myBreaked) {
 745     if (myMain.get()) {
 746       myIndex++;
 747       int aNumSubs = myMain->numberOfSubs();
 748       if (myIndex == aNumSubs)
 749         return;
 750       // skip sub-objects, that are subs not only for this: sketch elements relatively to Part
 751       for(FeaturePtr aSub = myMain->subFeature(myIndex); aSub.get();
 752           aSub = myMain->subFeature(myIndex)) {
 753         aSub = myMain->subFeature(myIndex);
 754         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(aSub);
 755         if (!anOwner.get() || anOwner == myMain) {
 756           break;
 757         }
 758         myIndex++;
 759         if (myIndex == aNumSubs)
 760           break;
 761       }
 762     } else if (mySub.get()) {
 763       while(mySub.get()) {
 764         mySub = myObjects->nextFeature(mySub);
 765         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(mySub);
 766         // skip sub-objects, that are subs not only for this: sketch elements relatively to PartSet
 767         if (!anOwner.get()) {
 768           break;
 769         }
 770       }
 771     }
 772   }
 773 }
 774
 775 bool Model_Update::IterationItem::more()
 776 {
 777   if (myBreaked)
 778     return false;
 779   if (myMain.get())
 780     return myIndex < myMain->numberOfSubs();
 781   return mySub.get() != NULL;
 782 }
 783
 784 FeaturePtr Model_Update::IterationItem::current()
 785 {
 786   if (myMain.get())
 787     return myMain->subFeature(myIndex);
 788   return mySub;
 789 }
 790
 791 void Model_Update::IterationItem::setBreaked()
 792 {
 793   if (!myIsVirtual)
 794     myBreaked = true;
 795 }
 796
 797 void Model_Update::IterationItem::startIteration(const bool theVirtual)
 798 {
 799   myIsVirtual = theVirtual;
 800   if (myMain.get()) {
 801     myIndex = 0;
 802   } else if (myObjects) {
 803     mySub = myObjects->firstFeature();
 804   }
 805 }
 806
 807 bool Model_Update::IterationItem::isIterated(FeaturePtr theFeature)
 808 {
 809   if (myMain.get()) {
 810     if (myMain->isSub(theFeature)) {
 811       CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(theFeature);
 812       if (!anOwner.get() || anOwner == myMain)
 813         return true;
 814     }
 815     return false;
 816   }
 817   // for the root document just check that this feature in this document and it is not sub
 818   return myObjects->owner() == theFeature->document() &&
 819          !ModelAPI_Tools::compositeOwner(theFeature).get();
 820 }
 821
 822 bool Model_Update::IterationItem::isEarlierThanCurrent(FeaturePtr theFeature)
 823 {
 824   if (myMain.get()) {
 825     for(int a = 0; a < myIndex; a++) {
 826       if (myMain->subFeature(a) == theFeature)
 827         return true;
 828     }
 829   } else {
 830     return !mySub.get() && !myObjects->isLater(theFeature, mySub);
 831   }
 832   return false;
 833 }
 834
 835 void Model_Update::IterationItem::setCurrentBefore(FeaturePtr theFeature)
 836 {
 837   if (myMain.get()) {
 838     for(int a = 0; a < myIndex; a++) {
 839       if (myMain->subFeature(a) == theFeature) {
 840         myIndex = a;
 841         break;
 842       }
 843     }
 844   } else {
 845     mySub = theFeature;
 846   }
 847   mySkipNext = true;
 848 }