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         #ifdef DEB_UPDATE
 360           std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 361         #endif
 362         theFeature->eraseResults();
 363         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 364       }
 365     }
 366   } else { // preview is not needed => make state Done
 367     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 368       theFeature->data()->execState(ModelAPI_StateDone);
 369       if (aJustUpdated) // store that it must be updated on finish
 370         myUpdated[theFeature] = myModification;
 371     }
 372   }
 373 }
 374
 375 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 376 {
 377   // make updated and redisplay all results
 378   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 379   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 380   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 381   for (; aRIter != aResults.cend(); aRIter++) {
 382     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 383     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 384       aRes->data()->execState(theState);
 385       if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 386         myUpdated[aRes] = myModification;
 387     }
 388     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 389       aRes->data()->setUpdateID(theFeature->data()->updateID());
 390     }
 391     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 392     // iterate sub-bodies of compsolid
 393     ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 394     if (aComp.get()) {
 395       int aNumSub = aComp->numberOfSubs();
 396       for(int a = 0; a < aNumSub; a++) {
 397         ResultPtr aSub = aComp->subResult(a);
 398         if (!aSub->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 399           aSub->data()->execState(theState);
 400           if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 401             myUpdated[aSub] = myModification;
 402         }
 403         if (theFeature->data()->updateID() > aSub->data()->updateID()) {
 404           aSub->data()->setUpdateID(theFeature->data()->updateID());
 405         }
 406         ModelAPI_EventCreator::get()->sendUpdated(aSub, EVENT_DISP);
 407       }
 408     }
 409   }
 410   // to redisplay "presentable" feature (for ex. distance constraint)
 411   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 412   theFeature->data()->execState(theState);
 413 }
 414
 415 /// Updates the state by the referenced object: if something bad with it, set state for this one
 416 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 417 {
 418   if (theTarget) {
 419     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 420     if (aRefState == ModelAPI_StateMustBeUpdated) {
 421       if (theCurrent == ModelAPI_StateDone)
 422         return ModelAPI_StateMustBeUpdated;
 423     } else if (aRefState != ModelAPI_StateDone) {
 424       return ModelAPI_StateInvalidArgument;
 425     }
 426   }
 427   return theCurrent;
 428 }
 429
 430 bool Model_Update::isOlder(std::shared_ptr<ModelAPI_Feature> theFeature,
 431                            std::shared_ptr<ModelAPI_Object> theArgument)
 432 {
 433   int aFeatureID = theFeature->data()->updateID();
 434   int anArgID = theArgument->data()->updateID();
 435   if (aFeatureID < anArgID)
 436     return true;
 437   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator anAIter = myUpdated.find(theArgument);
 438   if (anAIter == myUpdated.end())
 439     return false;
 440   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator aFIter = myUpdated.find(theFeature);
 441   if (aFIter == myUpdated.end())
 442     return true; // argument is updated, but feature is not updated at all
 443   return aFIter->second < anAIter->second;
 444 }
 445
 446 void Model_Update::updateArguments(FeaturePtr theFeature) {
 447   // perform this method also for disabled features: to make "not done" state for
 448   // features referenced to the active and modified features
 449
 450   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 451
 452   ModelAPI_ExecState aState = theFeature->data()->execState();
 453   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 454     aState = ModelAPI_StateMustBeUpdated;
 455   }
 456   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 457     aState = ModelAPI_StateMustBeUpdated;
 458   // check the parameters state
 459   // Double
 460   std::list<AttributePtr> aDoubles =
 461     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 462   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 463   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 464     AttributeDoublePtr aDouble =
 465       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 466     if (aDouble.get() && !aDouble->text().empty()) {
 467       if (myIsParamUpdated) {
 468         ModelAPI_AttributeEvalMessage::send(aDouble, this);
 469       }
 470       if (aDouble->expressionInvalid()) {
 471         aState = ModelAPI_StateInvalidArgument;
 472       }
 473     }
 474   }
 475   // Point
 476   {
 477     std::list<AttributePtr> anAttributes =
 478       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 479     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 480     for(; anIter != anAttributes.end(); anIter++) {
 481       AttributePointPtr aPointAttribute =
 482         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 483       if (aPointAttribute.get()) {
 484         if (myIsParamUpdated) {
 485           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 486         }
 487         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 488           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 489           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 490           aState = ModelAPI_StateInvalidArgument;
 491       }
 492     }
 493   }
 494   // Point2D
 495   {
 496     std::list<AttributePtr> anAttributes =
 497       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 498     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 499     for(; anIter != anAttributes.end(); anIter++) {
 500       AttributePoint2DPtr aPoint2DAttribute =
 501         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 502       if (aPoint2DAttribute.get()) {
 503         if (myIsParamUpdated) {
 504           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 505         }
 506         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 507           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 508           aState = ModelAPI_StateInvalidArgument;
 509       }
 510     }
 511   }
 512
 513   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 514   //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 515   // before execution update the selection attributes if any
 516   list<AttributePtr> aRefs =
 517     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 518   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 519   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 520     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 521       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 522     ObjectPtr aContext = aSel->context();
 523     // update argument only if the referenced object is changed
 524     if (aContext.get() && !aContext->isDisabled()) {
 525       bool isObligatory = !aFactory->isNotObligatory(
 526         theFeature->getKind(), theFeature->data()->id(aSel)) &&
 527         aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 528       if (isOlder(theFeature, aContext)) {
 529         if (aState == ModelAPI_StateDone)
 530           aState = ModelAPI_StateMustBeUpdated;
 531         if (!aSel->update()) { // this must be done on execution since it may be long operation
 532           if (isObligatory)
 533             aState = ModelAPI_StateInvalidArgument;
 534         }
 535       } else if (aSel->isInvalid()) { // not needed to update, but invalid (stated previously)
 536         aState = ModelAPI_StateInvalidArgument;
 537       }
 538     }
 539   }
 540   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 541   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 542     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 543       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 544     for(int a = aSel->size() - 1; a >= 0; a--) {
 545       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 546         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 547       if (aSelAttr) {
 548         ObjectPtr aContext = aSelAttr->context();
 549         // update argument onlt if the referenced object is changed
 550         if (aContext.get() && !aContext->isDisabled()) {
 551           bool isObligatory = !aFactory->isNotObligatory(
 552             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 553             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 554           if (isOlder(theFeature, aContext)) {
 555             if (aState == ModelAPI_StateDone)
 556                 aState = ModelAPI_StateMustBeUpdated;
 557             if (!aSelAttr->update()) {
 558               if (isObligatory)
 559                 aState = ModelAPI_StateInvalidArgument;
 560             }
 561           } else if (aSelAttr->isInvalid()) {
 562             aState = ModelAPI_StateInvalidArgument;
 563           }
 564         }
 565       }
 566     }
 567   }
 568   // check all references: if referenced objects are updated, this object also must be updated
 569   // also check state of referenced objects: if they are not ready, inherit corresponding state
 570   std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefsObj;
 571   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 572   aData->referencesToObjects(aRefsObj);
 573   std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefsObj.begin();
 574   for(; aRef != aRefsObj.end(); aRef++) {
 575     std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 576     for(; aRefObj != aRef->second.end(); aRefObj++) {
 577       // if reference is null, it may mean that this reference is to other document
 578       // the does not supported by RefList: parameters may be recomputed
 579       if (!aRefObj->get() && theFeature->firstResult().get() &&
 580                theFeature->firstResult()->groupName() == ModelAPI_ResultParameter::group()) {
 581           if (aState == ModelAPI_StateDone)
 582             aState = ModelAPI_StateMustBeUpdated;
 583       } else if (aRefObj->get() && isOlder(theFeature, *aRefObj)) {
 584         if (aState == ModelAPI_StateDone)
 585           aState = ModelAPI_StateMustBeUpdated;
 586       }
 587       aState = stateByReference(*aRefObj, aState);
 588     }
 589   }
 590   // composites sub-elements
 591   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 592   // composite feature must be executed after sub-features execution
 593   if (aCompos) {
 594     // number of subs can be changed in execution: like fillet
 595     int aNumSubs = aCompos->numberOfSubs();
 596     for(int a = 0; a < aNumSubs; a++) {
 597       FeaturePtr aSub = aCompos->subFeature(a);
 598       if (aSub.get() && aState == ModelAPI_StateDone) {
 599         if (isOlder(theFeature, aSub)) {
 600           aState = ModelAPI_StateMustBeUpdated;
 601         }
 602         // also check that all results of subs were updated: composite also depends on the results
 603         const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 604         std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aResults.begin();
 605         for(; aResIter != aResults.end(); aResIter++) {
 606           if (aResIter->get() && (*aResIter)->data()->isValid() && !(*aResIter)->isDisabled() &&
 607               isOlder(theFeature, *aResIter)) {
 608             aState = ModelAPI_StateMustBeUpdated;
 609           }
 610         }
 611       }
 612       if (a == aNumSubs - 1) // in case number of subs is changed, just recheck before end
 613         aNumSubs = aCompos->numberOfSubs();
 614     }
 615   }
 616
 617
 618   if (aState != ModelAPI_StateDone)
 619     theFeature->data()->execState(aState);
 620 }
 621
 622 void Model_Update::executeFeature(FeaturePtr theFeature)
 623 {
 624   // execute in try-catch to avoid internal problems of the feature
 625   ModelAPI_ExecState aState = ModelAPI_StateDone;
 626   theFeature->data()->execState(ModelAPI_StateDone);
 627   try {
 628     theFeature->execute();
 629     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 630       aState = ModelAPI_StateExecFailed;
 631     } else {
 632       aState = ModelAPI_StateDone;
 633       myWaitForFinish.insert(theFeature);
 634     }
 635   } catch(...) {
 636     aState = ModelAPI_StateExecFailed;
 637     Events_Error::send(
 638       "Feature " + theFeature->getKind() + " has failed during the execution");
 639   }
 640   if (aState != ModelAPI_StateDone) {
 641     theFeature->eraseResults();
 642   }
 643   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 644   redisplayWithResults(theFeature, aState);
 645 }
 646
 647 ///////////////// Updated items iterator ////////////////////////
 648 Model_Update::IterationItem::IterationItem(std::shared_ptr<ModelAPI_CompositeFeature> theFeature)
 649 {
 650   myBreaked = false;
 651   myIsVirtual = false;
 652   myMain = theFeature;
 653   myObjects = NULL;
 654   if (!myMain.get() && ModelAPI_Session::get()->hasModuleDocument()) { // no document => nothing to do
 655     DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 656     myObjects = std::dynamic_pointer_cast<Model_Document>(aRootDoc)->objects();
 657   }
 658   mySkipNext = false;
 659 }
 660
 661 void Model_Update::IterationItem::next()
 662 {
 663   if (mySkipNext) { // ignore one next
 664     mySkipNext = false;
 665     return;
 666   }
 667   if (!myBreaked) {
 668     if (myMain.get()) {
 669       myIndex++;
 670       int aNumSubs = myMain->numberOfSubs();
 671       if (myIndex == aNumSubs)
 672         return;
 673       // skip sub-objects, that are subs not only for this: sketch elements relatively to Part
 674       for(FeaturePtr aSub = myMain->subFeature(myIndex); aSub.get();
 675           aSub = myMain->subFeature(myIndex)) {
 676         aSub = myMain->subFeature(myIndex);
 677         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(aSub);
 678         if (!anOwner.get() || anOwner == myMain) {
 679           break;
 680         }
 681         myIndex++;
 682         if (myIndex == aNumSubs)
 683           break;
 684       }
 685     } else if (mySub.get()) {
 686       while(mySub.get()) {
 687         mySub = myObjects->nextFeature(mySub);
 688         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(mySub);
 689         // skip sub-objects, that are subs not only for this: sketch elements relatively to PartSet
 690         if (!anOwner.get()) {
 691           break;
 692         }
 693       }
 694     }
 695   }
 696 }
 697
 698 bool Model_Update::IterationItem::more()
 699 {
 700   if (myBreaked)
 701     return false;
 702   if (myMain.get())
 703     return myIndex < myMain->numberOfSubs();
 704   return mySub.get() != NULL;
 705 }
 706
 707 FeaturePtr Model_Update::IterationItem::current()
 708 {
 709   if (myMain.get())
 710     return myMain->subFeature(myIndex);
 711   return mySub;
 712 }
 713
 714 void Model_Update::IterationItem::setBreaked()
 715 {
 716   if (!myIsVirtual)
 717     myBreaked = true;
 718 }
 719
 720 void Model_Update::IterationItem::startIteration(const bool theVirtual)
 721 {
 722   myIsVirtual = theVirtual;
 723   if (myMain.get()) {
 724     myIndex = 0;
 725   } else if (myObjects) {
 726     mySub = myObjects->firstFeature();
 727   }
 728 }
 729
 730 bool Model_Update::IterationItem::isIterated(FeaturePtr theFeature)
 731 {
 732   if (myMain.get()) {
 733     if (myMain->isSub(theFeature)) {
 734       CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(theFeature);
 735       if (!anOwner.get() || anOwner == myMain)
 736         return true;
 737     }
 738     return false;
 739   }
 740   // for the root document just check that this feature in this document and it is not sub
 741   return myObjects->owner() == theFeature->document() &&
 742          !ModelAPI_Tools::compositeOwner(theFeature).get();
 743 }
 744
 745 bool Model_Update::IterationItem::isEarlierThanCurrent(FeaturePtr theFeature)
 746 {
 747   if (myMain.get()) {
 748     for(int a = 0; a < myIndex; a++) {
 749       if (myMain->subFeature(a) == theFeature)
 750         return true;
 751     }
 752   } else {
 753     return !mySub.get() && !myObjects->isLater(theFeature, mySub);
 754   }
 755   return false;
 756 }
 757
 758 void Model_Update::IterationItem::setCurrentBefore(FeaturePtr theFeature)
 759 {
 760   if (myMain.get()) {
 761     for(int a = 0; a < myIndex; a++) {
 762       if (myMain->subFeature(a) == theFeature) {
 763         myIndex = a;
 764         break;
 765       }
 766     }
 767   } else {
 768     mySub = theFeature;
 769   }
 770   mySkipNext = true;
 771 }