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