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   /* cancel hardcode due to issue 948
 220   if (theFinish) {
 221     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 222     std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 223     for(aFIter = myWaitForFinish.begin(); aFIter != myWaitForFinish.end(); aFIter++)
 224     {
 225       FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 226       if (aF && aF->data()->isValid() &&
 227            (aF->getKind() == "Extrusion" || aF->getKind() == "Revolution")) {
 228         AttributeSelectionListPtr aBase = aF->selectionList("base");
 229         if (aBase.get()) {
 230           for(int a = aBase->size() - 1; a >= 0; a--) {
 231             ResultPtr aSketchRes = aBase->value(a)->context();
 232             if (aSketchRes) {
 233               aSketchRes->setDisplayed(false);
 234             }
 235           }
 236         }
 237       }
 238     }
 239   } */
 240   // perform update of everything if needed
 241   if (!myIsExecuted) {
 242     #ifdef DEB_UPDATE
 243       std::cout<<"****** Start processing"<<std::endl;
 244     #endif
 245     myIsExecuted = true;
 246
 247     bool isAutomaticChanged = false;
 248
 249     if (theTotalUpdate && !myIsAutomatic) { // Apply button now works as "Rebuild"
 250       isAutomaticChanged = true;
 251       myIsAutomatic = true;
 252     }
 253     // init iteration from the root document
 254     iterateUpdate(CompositeFeaturePtr());
 255
 256     if (isAutomaticChanged) myIsAutomatic = false;
 257     myIsExecuted = false;
 258     myModification++;
 259
 260     // flush to update display
 261     static Events_Loop* aLoop = Events_Loop::loop();
 262     static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 263     aLoop->flush(EVENT_DISP);
 264     #ifdef DEB_UPDATE
 265       std::cout<<"****** End processing"<<std::endl;
 266     #endif
 267   }
 268 }
 269
 270 void Model_Update::updateFeature(FeaturePtr theFeature)
 271 {
 272   // check all features this feature depended on (recursive call of updateFeature)
 273   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 274
 275   if (theFeature->isDisabled())
 276     return;
 277
 278   // to optimize with NDS: how to update sketch state if sketch is not executed on apply of sub-element
 279   //CompositeFeaturePtr aMain = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 280   //if (aMain.get() && aMain->isSub(theFeature->document()->currentFeature(false))) // do no update the composite that contains the current
 281   //  return;
 282
 283   #ifdef DEB_UPDATE
 284     std::cout<<"Update Feature "<<theFeature->name()<<std::endl;
 285   #endif
 286   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 287   // If automatice update is not needed and feature attributes were not updated right now,
 288   // do not execute it and do not update arguments.
 289   if (!myIsAutomatic &&
 290        (myUpdated.find(theFeature) == myUpdated.end() || myUpdated[theFeature] != myModification)
 291        && !aCompos.get()) {
 292     // execute will be performed later, but some features may have not-result
 293     // presentations, so call update for them (like coincidence in the sketcher)
 294     static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 295     ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 296     return;
 297   }
 298
 299   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 300   updateArguments(theFeature);
 301
 302   // composite feature must be executed after sub-features execution
 303   if (aCompos) {
 304     if (!iterateUpdate(aCompos))
 305       return; // iteration was interrupted, so, interrupt the update of this feature (it will be done later)
 306     // reupdate arguments of composite feature: it may be changed during subs execution
 307
 308     // issue 955: extrusion fuse sketch naming must be updated after the sketch update
 309     // so, comment this: if (theFeature->data()->execState() != ModelAPI_StateMustBeUpdated)
 310       updateArguments(theFeature);
 311   }
 312   // this checking must be after the composite feature sub-elements processing:
 313   // composite feature status may depend on it's subelements
 314   if (theFeature->data()->execState() == ModelAPI_StateInvalidArgument) {
 315     theFeature->eraseResults();
 316     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 317     return;
 318   }
 319
 320   // only the currently updated features are executed
 321   bool aJustUpdated = myUpdated.find(theFeature) != myUpdated.end();
 322   if (aJustUpdated) {
 323     // if preview is not needed, the created feature was not updated before, so, myModification is not actual for this
 324     if (theFeature->isPreviewNeeded()) {
 325       aJustUpdated = myUpdated[theFeature] == myModification;
 326     }
 327   }
 328
 329   if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 330     aJustUpdated = true;
 331
 332   // On abort, undo or redo execute is not needed: results in document are updated automatically
 333   // But redisplay is needed: results are updated, must be also updated in the viewer.
 334   if (aJustUpdated &&
 335       !std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures()) {
 336     if (!theFeature->isPersistentResult()) { // not persistent must be re-executed on abort, etc.
 337       ModelAPI_ExecState aState = theFeature->data()->execState();
 338       if (aFactory->validate(theFeature)) {
 339         executeFeature(theFeature);
 340       } else {
 341         theFeature->eraseResults();
 342         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 343       }
 344     } else {
 345       redisplayWithResults(theFeature, ModelAPI_StateNothing);
 346       if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) { // it is done (in the tree)
 347         theFeature->data()->execState(ModelAPI_StateDone);
 348       }
 349       // it will be not updated with new modifications: only the currently updated features are updated
 350       //if (myUpdated.find(theFeature) != myUpdated.end()) {
 351       //  myUpdated.erase(theFeature); // do not update this persistent feature even in the future
 352       //}
 353     }
 354     return;
 355   }
 356
 357   // execute feature if it must be updated
 358   if (theFeature->isPreviewNeeded() || myIsFinish) {
 359     if (aJustUpdated) {
 360       ModelAPI_ExecState aState = theFeature->data()->execState();
 361       if (aFactory->validate(theFeature)) {
 362         #ifdef DEB_UPDATE
 363           std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 364         #endif
 365         executeFeature(theFeature);
 366       } else {
 367         #ifdef DEB_UPDATE
 368           std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 369         #endif
 370         theFeature->eraseResults();
 371         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 372       }
 373     }
 374   } else { // preview is not needed => make state Done
 375     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 376       theFeature->data()->execState(ModelAPI_StateDone);
 377       if (aJustUpdated) // store that it must be updated on finish
 378         myUpdated[theFeature] = myModification;
 379     }
 380   }
 381 }
 382
 383 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 384 {
 385   // make updated and redisplay all results
 386   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 387   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 388   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 389   for (; aRIter != aResults.cend(); aRIter++) {
 390     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 391     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 392       aRes->data()->execState(theState);
 393       if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 394         myUpdated[aRes] = myModification;
 395     }
 396     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 397       aRes->data()->setUpdateID(theFeature->data()->updateID());
 398     }
 399     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 400     // iterate sub-bodies of compsolid
 401     ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 402     if (aComp.get()) {
 403       int aNumSub = aComp->numberOfSubs();
 404       for(int a = 0; a < aNumSub; a++) {
 405         ResultPtr aSub = aComp->subResult(a);
 406         if (!aSub->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 407           aSub->data()->execState(theState);
 408           if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 409             myUpdated[aSub] = myModification;
 410         }
 411         if (theFeature->data()->updateID() > aSub->data()->updateID()) {
 412           aSub->data()->setUpdateID(theFeature->data()->updateID());
 413         }
 414         ModelAPI_EventCreator::get()->sendUpdated(aSub, EVENT_DISP);
 415       }
 416     }
 417   }
 418   // to redisplay "presentable" feature (for ex. distance constraint)
 419   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 420   theFeature->data()->execState(theState);
 421 }
 422
 423 /// Updates the state by the referenced object: if something bad with it, set state for this one
 424 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 425 {
 426   if (theTarget) {
 427     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 428     if (aRefState == ModelAPI_StateMustBeUpdated) {
 429       if (theCurrent == ModelAPI_StateDone)
 430         return ModelAPI_StateMustBeUpdated;
 431     } else if (aRefState != ModelAPI_StateDone) {
 432       return ModelAPI_StateInvalidArgument;
 433     }
 434   }
 435   return theCurrent;
 436 }
 437
 438 bool Model_Update::isOlder(std::shared_ptr<ModelAPI_Feature> theFeature,
 439                            std::shared_ptr<ModelAPI_Object> theArgument)
 440 {
 441   int aFeatureID = theFeature->data()->updateID();
 442   int anArgID = theArgument->data()->updateID();
 443   if (aFeatureID < anArgID)
 444     return true;
 445   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator anAIter = myUpdated.find(theArgument);
 446   if (anAIter == myUpdated.end())
 447     return false;
 448   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator aFIter = myUpdated.find(theFeature);
 449   if (aFIter == myUpdated.end())
 450     return true; // argument is updated, but feature is not updated at all
 451   return aFIter->second < anAIter->second;
 452 }
 453
 454 void Model_Update::updateArguments(FeaturePtr theFeature) {
 455   // perform this method also for disabled features: to make "not done" state for
 456   // features referenced to the active and modified features
 457
 458   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 459
 460   ModelAPI_ExecState aState = theFeature->data()->execState();
 461   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 462     aState = ModelAPI_StateMustBeUpdated;
 463   }
 464   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 465     aState = ModelAPI_StateMustBeUpdated;
 466   // check the parameters state
 467   // Double
 468   std::list<AttributePtr> aDoubles =
 469     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 470   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 471   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 472     AttributeDoublePtr aDouble =
 473       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 474     if (aDouble.get() && !aDouble->text().empty()) {
 475       if (myIsParamUpdated) {
 476         ModelAPI_AttributeEvalMessage::send(aDouble, this);
 477       }
 478       if (aDouble->expressionInvalid()) {
 479         aState = ModelAPI_StateInvalidArgument;
 480       }
 481     }
 482   }
 483   // Point
 484   {
 485     std::list<AttributePtr> anAttributes =
 486       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 487     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 488     for(; anIter != anAttributes.end(); anIter++) {
 489       AttributePointPtr aPointAttribute =
 490         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 491       if (aPointAttribute.get()) {
 492         if (myIsParamUpdated) {
 493           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 494         }
 495         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 496           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 497           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 498           aState = ModelAPI_StateInvalidArgument;
 499       }
 500     }
 501   }
 502   // Point2D
 503   {
 504     std::list<AttributePtr> anAttributes =
 505       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 506     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 507     for(; anIter != anAttributes.end(); anIter++) {
 508       AttributePoint2DPtr aPoint2DAttribute =
 509         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 510       if (aPoint2DAttribute.get()) {
 511         if (myIsParamUpdated) {
 512           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 513         }
 514         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 515           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 516           aState = ModelAPI_StateInvalidArgument;
 517       }
 518     }
 519   }
 520
 521   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 522   //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 523   // before execution update the selection attributes if any
 524   list<AttributePtr> aRefs =
 525     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 526   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 527   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 528     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 529       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 530     ObjectPtr aContext = aSel->context();
 531     // update argument only if the referenced object is changed
 532     if (aContext.get() && !aContext->isDisabled()) {
 533       bool isObligatory = !aFactory->isNotObligatory(
 534         theFeature->getKind(), theFeature->data()->id(aSel)) &&
 535         aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 536       if (isOlder(theFeature, aContext)) {
 537         if (aState == ModelAPI_StateDone)
 538           aState = ModelAPI_StateMustBeUpdated;
 539         if (!aSel->update()) { // this must be done on execution since it may be long operation
 540           if (isObligatory)
 541             aState = ModelAPI_StateInvalidArgument;
 542         }
 543       } else if (aSel->isInvalid()) { // not needed to update, but invalid (stated previously)
 544         aState = ModelAPI_StateInvalidArgument;
 545       }
 546     }
 547   }
 548   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 549   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 550     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 551       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 552     for(int a = aSel->size() - 1; a >= 0; a--) {
 553       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 554         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 555       if (aSelAttr) {
 556         ObjectPtr aContext = aSelAttr->context();
 557         // update argument onlt if the referenced object is changed
 558         if (aContext.get() && !aContext->isDisabled()) {
 559           bool isObligatory = !aFactory->isNotObligatory(
 560             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 561             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 562           if (isOlder(theFeature, aContext)) {
 563             if (aState == ModelAPI_StateDone)
 564                 aState = ModelAPI_StateMustBeUpdated;
 565             if (!aSelAttr->update()) {
 566               if (isObligatory)
 567                 aState = ModelAPI_StateInvalidArgument;
 568             }
 569           } else if (aSelAttr->isInvalid()) {
 570             aState = ModelAPI_StateInvalidArgument;
 571           }
 572         }
 573       }
 574     }
 575   }
 576   // check all references: if referenced objects are updated, this object also must be updated
 577   // also check state of referenced objects: if they are not ready, inherit corresponding state
 578   std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefsObj;
 579   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 580   aData->referencesToObjects(aRefsObj);
 581   std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefsObj.begin();
 582   for(; aRef != aRefsObj.end(); aRef++) {
 583     std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 584     for(; aRefObj != aRef->second.end(); aRefObj++) {
 585       // if reference is null, it may mean that this reference is to other document
 586       // the does not supported by RefList: parameters may be recomputed
 587       if (!aRefObj->get() && theFeature->firstResult().get() &&
 588                theFeature->firstResult()->groupName() == ModelAPI_ResultParameter::group()) {
 589           if (aState == ModelAPI_StateDone)
 590             aState = ModelAPI_StateMustBeUpdated;
 591       } else if (aRefObj->get() && isOlder(theFeature, *aRefObj)) {
 592         if (aState == ModelAPI_StateDone)
 593           aState = ModelAPI_StateMustBeUpdated;
 594       }
 595       aState = stateByReference(*aRefObj, aState);
 596     }
 597   }
 598   // composites sub-elements
 599   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 600   // composite feature must be executed after sub-features execution
 601   if (aCompos) {
 602     // number of subs can be changed in execution: like fillet
 603     int aNumSubs = aCompos->numberOfSubs();
 604     for(int a = 0; a < aNumSubs; a++) {
 605       FeaturePtr aSub = aCompos->subFeature(a);
 606       if (aSub.get() && aState == ModelAPI_StateDone) {
 607         if (isOlder(theFeature, aSub)) {
 608           aState = ModelAPI_StateMustBeUpdated;
 609         }
 610         // also check that all results of subs were updated: composite also depends on the results
 611         const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 612         std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aResults.begin();
 613         for(; aResIter != aResults.end(); aResIter++) {
 614           if (aResIter->get() && (*aResIter)->data()->isValid() && !(*aResIter)->isDisabled() &&
 615               isOlder(theFeature, *aResIter)) {
 616             aState = ModelAPI_StateMustBeUpdated;
 617           }
 618         }
 619       }
 620       if (a == aNumSubs - 1) // in case number of subs is changed, just recheck before end
 621         aNumSubs = aCompos->numberOfSubs();
 622     }
 623   }
 624
 625
 626   if (aState != ModelAPI_StateDone)
 627     theFeature->data()->execState(aState);
 628 }
 629
 630 void Model_Update::executeFeature(FeaturePtr theFeature)
 631 {
 632   // execute in try-catch to avoid internal problems of the feature
 633   ModelAPI_ExecState aState = ModelAPI_StateDone;
 634   theFeature->data()->execState(ModelAPI_StateDone);
 635   try {
 636     theFeature->execute();
 637     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 638       aState = ModelAPI_StateExecFailed;
 639     } else {
 640       aState = ModelAPI_StateDone;
 641       myWaitForFinish.insert(theFeature);
 642     }
 643   } catch(...) {
 644     aState = ModelAPI_StateExecFailed;
 645     Events_Error::send(
 646       "Feature " + theFeature->getKind() + " has failed during the execution");
 647   }
 648   if (aState != ModelAPI_StateDone) {
 649     theFeature->eraseResults();
 650   }
 651   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 652   redisplayWithResults(theFeature, aState);
 653 }
 654
 655 ///////////////// Updated items iterator ////////////////////////
 656 Model_Update::IterationItem::IterationItem(std::shared_ptr<ModelAPI_CompositeFeature> theFeature)
 657 {
 658   myBreaked = false;
 659   myIsVirtual = false;
 660   myMain = theFeature;
 661   myObjects = NULL;
 662   if (!myMain.get() && ModelAPI_Session::get()->hasModuleDocument()) { // no document => nothing to do
 663     DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 664     myObjects = std::dynamic_pointer_cast<Model_Document>(aRootDoc)->objects();
 665   }
 666   mySkipNext = false;
 667 }
 668
 669 void Model_Update::IterationItem::next()
 670 {
 671   if (mySkipNext) { // ignore one next
 672     mySkipNext = false;
 673     return;
 674   }
 675   if (!myBreaked) {
 676     if (myMain.get()) {
 677       myIndex++;
 678       int aNumSubs = myMain->numberOfSubs();
 679       if (myIndex == aNumSubs)
 680         return;
 681       // skip sub-objects, that are subs not only for this: sketch elements relatively to Part
 682       for(FeaturePtr aSub = myMain->subFeature(myIndex); aSub.get();
 683           aSub = myMain->subFeature(myIndex)) {
 684         aSub = myMain->subFeature(myIndex);
 685         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(aSub);
 686         if (!anOwner.get() || anOwner == myMain) {
 687           break;
 688         }
 689         myIndex++;
 690         if (myIndex == aNumSubs)
 691           break;
 692       }
 693     } else if (mySub.get()) {
 694       while(mySub.get()) {
 695         mySub = myObjects->nextFeature(mySub);
 696         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(mySub);
 697         // skip sub-objects, that are subs not only for this: sketch elements relatively to PartSet
 698         if (!anOwner.get()) {
 699           break;
 700         }
 701       }
 702     }
 703   }
 704 }
 705
 706 bool Model_Update::IterationItem::more()
 707 {
 708   if (myBreaked)
 709     return false;
 710   if (myMain.get())
 711     return myIndex < myMain->numberOfSubs();
 712   return mySub.get() != NULL;
 713 }
 714
 715 FeaturePtr Model_Update::IterationItem::current()
 716 {
 717   if (myMain.get())
 718     return myMain->subFeature(myIndex);
 719   return mySub;
 720 }
 721
 722 void Model_Update::IterationItem::setBreaked()
 723 {
 724   if (!myIsVirtual)
 725     myBreaked = true;
 726 }
 727
 728 void Model_Update::IterationItem::startIteration(const bool theVirtual)
 729 {
 730   myIsVirtual = theVirtual;
 731   if (myMain.get()) {
 732     myIndex = 0;
 733   } else if (myObjects) {
 734     mySub = myObjects->firstFeature();
 735   }
 736 }
 737
 738 bool Model_Update::IterationItem::isIterated(FeaturePtr theFeature)
 739 {
 740   if (myMain.get()) {
 741     if (myMain->isSub(theFeature)) {
 742       CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(theFeature);
 743       if (!anOwner.get() || anOwner == myMain)
 744         return true;
 745     }
 746     return false;
 747   }
 748   // for the root document just check that this feature in this document and it is not sub
 749   return myObjects->owner() == theFeature->document() &&
 750          !ModelAPI_Tools::compositeOwner(theFeature).get();
 751 }
 752
 753 bool Model_Update::IterationItem::isEarlierThanCurrent(FeaturePtr theFeature)
 754 {
 755   if (myMain.get()) {
 756     for(int a = 0; a < myIndex; a++) {
 757       if (myMain->subFeature(a) == theFeature)
 758         return true;
 759     }
 760   } else {
 761     return !mySub.get() && !myObjects->isLater(theFeature, mySub);
 762   }
 763   return false;
 764 }
 765
 766 void Model_Update::IterationItem::setCurrentBefore(FeaturePtr theFeature)
 767 {
 768   if (myMain.get()) {
 769     for(int a = 0; a < myIndex; a++) {
 770       if (myMain->subFeature(a) == theFeature) {
 771         myIndex = a;
 772         break;
 773       }
 774     }
 775   } else {
 776     mySub = theFeature;
 777   }
 778   mySkipNext = true;
 779 }