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() && myUpdated[theFeature] == myModification;
 314
 315   if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 316     aJustUpdated = true;
 317
 318   // On abort, undo or redo execute is not needed: results in document are updated automatically
 319   // But redisplay is needed: results are updated, must be also updated in the viewer.
 320   if (aJustUpdated &&
 321       !std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures()) {
 322     if (!theFeature->isPersistentResult()) { // not persistent must be re-executed on abort, etc.
 323       ModelAPI_ExecState aState = theFeature->data()->execState();
 324       if (aFactory->validate(theFeature)) {
 325         executeFeature(theFeature);
 326       } else {
 327         theFeature->eraseResults();
 328         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 329       }
 330     } else {
 331       redisplayWithResults(theFeature, ModelAPI_StateNothing);
 332       if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) { // it is done (in the tree)
 333         theFeature->data()->execState(ModelAPI_StateDone);
 334       }
 335       // it will be not updated with new modifications: only the currently updated features are updated
 336       //if (myUpdated.find(theFeature) != myUpdated.end()) {
 337       //  myUpdated.erase(theFeature); // do not update this persistent feature even in the future
 338       //}
 339     }
 340     return;
 341   }
 342
 343   // execute feature if it must be updated
 344   if (theFeature->isPreviewNeeded() || myIsFinish) {
 345     if (aJustUpdated) {
 346       ModelAPI_ExecState aState = theFeature->data()->execState();
 347       if (aFactory->validate(theFeature)) {
 348         #ifdef DEB_UPDATE
 349           std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 350         #endif
 351         executeFeature(theFeature);
 352       } else {
 353         theFeature->eraseResults();
 354         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 355       }
 356     }
 357   } else { // preview is not needed => make state Done
 358     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 359       theFeature->data()->execState(ModelAPI_StateDone);
 360       if (aJustUpdated) // store that it must be updated on finish
 361         myUpdated[theFeature] = myModification;
 362     }
 363   }
 364 }
 365
 366 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 367 {
 368   // make updated and redisplay all results
 369   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 370   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 371   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 372   for (; aRIter != aResults.cend(); aRIter++) {
 373     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 374     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 375       aRes->data()->execState(theState);
 376       if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 377         myUpdated[aRes] = myModification;
 378     }
 379     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 380       aRes->data()->setUpdateID(theFeature->data()->updateID());
 381     }
 382     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 383     // iterate sub-bodies of compsolid
 384     ResultCompSolidPtr aComp = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 385     if (aComp.get()) {
 386       int aNumSub = aComp->numberOfSubs();
 387       for(int a = 0; a < aNumSub; a++) {
 388         ResultPtr aSub = aComp->subResult(a);
 389         if (!aSub->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 390           aSub->data()->execState(theState);
 391           if (theState == ModelAPI_StateDone) // feature become "done", so execution changed results
 392             myUpdated[aSub] = myModification;
 393         }
 394         if (theFeature->data()->updateID() > aSub->data()->updateID()) {
 395           aSub->data()->setUpdateID(theFeature->data()->updateID());
 396         }
 397         ModelAPI_EventCreator::get()->sendUpdated(aSub, EVENT_DISP);
 398       }
 399     }
 400   }
 401   // to redisplay "presentable" feature (for ex. distance constraint)
 402   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 403   theFeature->data()->execState(theState);
 404 }
 405
 406 /// Updates the state by the referenced object: if something bad with it, set state for this one
 407 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 408 {
 409   if (theTarget) {
 410     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 411     if (aRefState == ModelAPI_StateMustBeUpdated) {
 412       if (theCurrent == ModelAPI_StateDone)
 413         return ModelAPI_StateMustBeUpdated;
 414     } else if (aRefState != ModelAPI_StateDone) {
 415       return ModelAPI_StateInvalidArgument;
 416     }
 417   }
 418   return theCurrent;
 419 }
 420
 421 bool Model_Update::isOlder(std::shared_ptr<ModelAPI_Feature> theFeature,
 422                            std::shared_ptr<ModelAPI_Object> theArgument)
 423 {
 424   int aFeatureID = theFeature->data()->updateID();
 425   int anArgID = theArgument->data()->updateID();
 426   if (aFeatureID < anArgID)
 427     return true;
 428   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator anAIter = myUpdated.find(theArgument);
 429   if (anAIter == myUpdated.end())
 430     return false;
 431   std::map<std::shared_ptr<ModelAPI_Object>, int >::iterator aFIter = myUpdated.find(theFeature);
 432   if (aFIter == myUpdated.end())
 433     return true; // argument is updated, but feature is not updated at all
 434   return aFIter->second < anAIter->second;
 435 }
 436
 437 void Model_Update::updateArguments(FeaturePtr theFeature) {
 438   // perform this method also for disabled features: to make "not done" state for
 439   // features referenced to the active and modified features
 440
 441   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 442
 443   ModelAPI_ExecState aState = theFeature->data()->execState();
 444   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 445     aState = ModelAPI_StateMustBeUpdated;
 446   }
 447   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 448     aState = ModelAPI_StateMustBeUpdated;
 449   // check the parameters state
 450   // Double
 451   std::list<AttributePtr> aDoubles =
 452     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 453   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 454   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 455     AttributeDoublePtr aDouble =
 456       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 457     if (aDouble.get() && !aDouble->text().empty()) {
 458       if (myIsParamUpdated) {
 459         ModelAPI_AttributeEvalMessage::send(aDouble, this);
 460       }
 461       if (aDouble->expressionInvalid()) {
 462         aState = ModelAPI_StateInvalidArgument;
 463       }
 464     }
 465   }
 466   // Point
 467   {
 468     std::list<AttributePtr> anAttributes =
 469       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 470     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 471     for(; anIter != anAttributes.end(); anIter++) {
 472       AttributePointPtr aPointAttribute =
 473         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 474       if (aPointAttribute.get()) {
 475         if (myIsParamUpdated) {
 476           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 477         }
 478         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 479           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 480           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 481           aState = ModelAPI_StateInvalidArgument;
 482       }
 483     }
 484   }
 485   // Point2D
 486   {
 487     std::list<AttributePtr> anAttributes =
 488       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 489     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 490     for(; anIter != anAttributes.end(); anIter++) {
 491       AttributePoint2DPtr aPoint2DAttribute =
 492         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 493       if (aPoint2DAttribute.get()) {
 494         if (myIsParamUpdated) {
 495           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 496         }
 497         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 498           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 499           aState = ModelAPI_StateInvalidArgument;
 500       }
 501     }
 502   }
 503
 504   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 505   //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 506   // before execution update the selection attributes if any
 507   list<AttributePtr> aRefs =
 508     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 509   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 510   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 511     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 512       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 513     ObjectPtr aContext = aSel->context();
 514     // update argument only if the referenced object is changed
 515     if (aContext.get() && !aContext->isDisabled()) {
 516       bool isObligatory = !aFactory->isNotObligatory(
 517         theFeature->getKind(), theFeature->data()->id(aSel)) &&
 518         aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 519       if (isOlder(theFeature, aContext)) {
 520         if (aState == ModelAPI_StateDone)
 521           aState = ModelAPI_StateMustBeUpdated;
 522         if (!aSel->update()) { // this must be done on execution since it may be long operation
 523           if (isObligatory)
 524             aState = ModelAPI_StateInvalidArgument;
 525         }
 526       } else if (aSel->isInvalid()) { // not needed to update, but invalid (stated previously)
 527         aState = ModelAPI_StateInvalidArgument;
 528       }
 529     }
 530   }
 531   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 532   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 533     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 534       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 535     for(int a = aSel->size() - 1; a >= 0; a--) {
 536       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 537         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 538       if (aSelAttr) {
 539         ObjectPtr aContext = aSelAttr->context();
 540         // update argument onlt if the referenced object is changed
 541         if (aContext.get() && !aContext->isDisabled()) {
 542           bool isObligatory = !aFactory->isNotObligatory(
 543             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 544             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 545           if (isOlder(theFeature, aContext)) {
 546             if (aState == ModelAPI_StateDone)
 547                 aState = ModelAPI_StateMustBeUpdated;
 548             if (!aSelAttr->update()) {
 549               if (isObligatory)
 550                 aState = ModelAPI_StateInvalidArgument;
 551             }
 552           } else if (aSelAttr->isInvalid()) {
 553             aState = ModelAPI_StateInvalidArgument;
 554           }
 555         }
 556       }
 557     }
 558   }
 559   // check all references: if referenced objects are updated, this object also must be updated
 560   // also check state of referenced objects: if they are not ready, inherit corresponding state
 561   std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefsObj;
 562   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 563   aData->referencesToObjects(aRefsObj);
 564   std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefsObj.begin();
 565   for(; aRef != aRefsObj.end(); aRef++) {
 566     std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 567     for(; aRefObj != aRef->second.end(); aRefObj++) {
 568       // if reference is null, it may mean that this reference is to other document
 569       // the does not supported by RefList: parameters may be recomputed
 570       if (!aRefObj->get() && theFeature->firstResult().get() &&
 571                theFeature->firstResult()->groupName() == ModelAPI_ResultParameter::group()) {
 572           if (aState == ModelAPI_StateDone)
 573             aState = ModelAPI_StateMustBeUpdated;
 574       } else if (aRefObj->get() && isOlder(theFeature, *aRefObj)) {
 575         if (aState == ModelAPI_StateDone)
 576           aState = ModelAPI_StateMustBeUpdated;
 577       }
 578       aState = stateByReference(*aRefObj, aState);
 579     }
 580   }
 581   // composites sub-elements
 582   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 583   // composite feature must be executed after sub-features execution
 584   if (aCompos) {
 585     // number of subs can be changed in execution: like fillet
 586     for(int a = 0; a < aCompos->numberOfSubs(); a++) {
 587       FeaturePtr aSub = aCompos->subFeature(a);
 588       if (aSub.get() && aState == ModelAPI_StateDone) {
 589         if (isOlder(theFeature, aSub)) {
 590           aState = ModelAPI_StateMustBeUpdated;
 591         }
 592         // also check that all results of subs were updated: composite also depends on the results
 593         const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aSub->results();
 594         std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aResults.begin();
 595         for(; aResIter != aResults.end(); aResIter++) {
 596           if (aResIter->get() && (*aResIter)->data()->isValid() && !(*aResIter)->isDisabled() &&
 597               isOlder(theFeature, *aResIter)) {
 598             aState = ModelAPI_StateMustBeUpdated;
 599           }
 600         }
 601       }
 602     }
 603   }
 604
 605
 606   if (aState != ModelAPI_StateDone)
 607     theFeature->data()->execState(aState);
 608 }
 609
 610 void Model_Update::executeFeature(FeaturePtr theFeature)
 611 {
 612   // execute in try-catch to avoid internal problems of the feature
 613   ModelAPI_ExecState aState = ModelAPI_StateDone;
 614   theFeature->data()->execState(ModelAPI_StateDone);
 615   try {
 616     theFeature->execute();
 617     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 618       aState = ModelAPI_StateExecFailed;
 619     } else {
 620       aState = ModelAPI_StateDone;
 621       myWaitForFinish.insert(theFeature);
 622     }
 623   } catch(...) {
 624     aState = ModelAPI_StateExecFailed;
 625     Events_Error::send(
 626       "Feature " + theFeature->getKind() + " has failed during the execution");
 627   }
 628   if (aState != ModelAPI_StateDone) {
 629     theFeature->eraseResults();
 630   }
 631   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 632   redisplayWithResults(theFeature, aState);
 633 }
 634
 635 ///////////////// Updated items iterator ////////////////////////
 636 Model_Update::IterationItem::IterationItem(std::shared_ptr<ModelAPI_CompositeFeature> theFeature)
 637 {
 638   myBreaked = false;
 639   myIsVirtual = false;
 640   myMain = theFeature;
 641   myObjects = NULL;
 642   if (!myMain.get() && ModelAPI_Session::get()->hasModuleDocument()) { // no document => nothing to do
 643     DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 644     myObjects = std::dynamic_pointer_cast<Model_Document>(aRootDoc)->objects();
 645   }
 646   mySkipNext = false;
 647 }
 648
 649 void Model_Update::IterationItem::next()
 650 {
 651   if (mySkipNext) { // ignore one next
 652     mySkipNext = false;
 653     return;
 654   }
 655   if (!myBreaked) {
 656     if (myMain.get()) {
 657       myIndex++;
 658       int aNumSubs = myMain->numberOfSubs();
 659       if (myIndex == aNumSubs)
 660         return;
 661       // skip sub-objects, that are subs not only for this: sketch elements relatively to Part
 662       for(FeaturePtr aSub = myMain->subFeature(myIndex); aSub.get();
 663           aSub = myMain->subFeature(myIndex)) {
 664         aSub = myMain->subFeature(myIndex);
 665         CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(aSub);
 666         if (!anOwner.get() || anOwner == myMain) {
 667           break;
 668         }
 669         myIndex++;
 670         if (myIndex == aNumSubs)
 671           break;
 672       }
 673     } else if (mySub.get()) {
 674       mySub = myObjects->nextFeature(mySub);
 675     }
 676   }
 677 }
 678
 679 bool Model_Update::IterationItem::more()
 680 {
 681   if (myBreaked)
 682     return false;
 683   if (myMain.get())
 684     return myIndex < myMain->numberOfSubs();
 685   return mySub.get() != NULL;
 686 }
 687
 688 FeaturePtr Model_Update::IterationItem::current()
 689 {
 690   if (myMain.get())
 691     return myMain->subFeature(myIndex);
 692   return mySub;
 693 }
 694
 695 void Model_Update::IterationItem::setBreaked()
 696 {
 697   if (!myIsVirtual)
 698     myBreaked = true;
 699 }
 700
 701 void Model_Update::IterationItem::startIteration(const bool theVirtual)
 702 {
 703   myIsVirtual = theVirtual;
 704   if (myMain.get()) {
 705     myIndex = 0;
 706   } else if (myObjects) {
 707     mySub = myObjects->firstFeature();
 708   }
 709 }
 710
 711 bool Model_Update::IterationItem::isIterated(FeaturePtr theFeature)
 712 {
 713   if (myMain.get()) {
 714     if (myMain->isSub(theFeature)) {
 715       CompositeFeaturePtr anOwner = ModelAPI_Tools::compositeOwner(theFeature);
 716       if (!anOwner.get() || anOwner == myMain)
 717         return true;
 718     }
 719     return false;
 720   }
 721   // for the root document just check that this feature in this document and it is not sub
 722   return myObjects->owner() == theFeature->document() &&
 723          !ModelAPI_Tools::compositeOwner(theFeature).get();
 724 }
 725
 726 bool Model_Update::IterationItem::isEarlierThanCurrent(FeaturePtr theFeature)
 727 {
 728   if (myMain.get()) {
 729     for(int a = 0; a < myIndex; a++) {
 730       if (myMain->subFeature(a) == theFeature)
 731         return true;
 732     }
 733   } else {
 734     return !mySub.get() && !myObjects->isLater(theFeature, mySub);
 735   }
 736   return false;
 737 }
 738
 739 void Model_Update::IterationItem::setCurrentBefore(FeaturePtr theFeature)
 740 {
 741   if (myMain.get()) {
 742     for(int a = 0; a < myIndex; a++) {
 743       if (myMain->subFeature(a) == theFeature) {
 744         myIndex = a;
 745         break;
 746       }
 747     }
 748   } else {
 749     mySub = theFeature;
 750   }
 751   mySkipNext = true;
 752 }