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 kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  44   aLoop->registerListener(this, kCreatedEvent);
  45   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  46   aLoop->registerListener(this, kUpdatedEvent);
  47   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  48   aLoop->registerListener(this, kOpFinishEvent);
  49   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  50   aLoop->registerListener(this, kOpAbortEvent);
  51   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  52   aLoop->registerListener(this, kOpStartEvent);
  53   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
  54   aLoop->registerListener(this, kStabilityEvent);
  55   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
  56   aLoop->registerListener(this, kPreviewBlockedEvent);
  57   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
  58   aLoop->registerListener(this, kPreviewRequestedEvent);
  59
  60   //  Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  61   myIsParamUpdated = false;
  62   myIsFinish = false;
  63   myIsProcessed = false;
  64   myIsPreviewBlocked = false;
  65 }
  66
  67 bool Model_Update::addModified(FeaturePtr theFeature, FeaturePtr theReason) {
  68
  69   if (!theFeature->data()->isValid())
  70     return false; // delete an extrusion created on the sketch
  71
  72   if (theFeature->isPersistentResult()) {
  73     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
  74       return false;
  75   }
  76
  77   // update arguments for "apply button" state change
  78   if ((!theFeature->isPreviewNeeded() && !myIsFinish) || myIsPreviewBlocked) {
  79     myProcessOnFinish.insert(theFeature);
  80 #ifdef DEB_UPDATE
  81       std::cout<<"*** Add process on finish "<<theFeature->name()<<std::endl;
  82 #endif
  83     // keeps the currently updated features to avoid infinitive cycling here: where feature on
  84     // "updateArguments" sends "updated" (in selection attribute) and goes here again
  85     static std::set<FeaturePtr> aCurrentlyUpdated;
  86     if (aCurrentlyUpdated.find(theFeature) == aCurrentlyUpdated.end()) {
  87       aCurrentlyUpdated.insert(theFeature);
  88       updateArguments(theFeature);
  89       aCurrentlyUpdated.erase(theFeature);
  90     }
  91     // make it without conditions otherwise the apply button may have a bad state
  92     theFeature->data()->execState(ModelAPI_StateDone);
  93     static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
  94     aFactory->validate(theFeature); // need to be validated to update the "Apply" state if not previewed
  95
  96     if (!myIsPreviewBlocked)
  97       return true;
  98   }
  99   if (myModified.find(theFeature) != myModified.end()) {
 100     if (theReason.get()) {
 101 #ifdef DEB_UPDATE
 102       std::cout<<"*** Add already modified "<<theFeature->name()<<std::endl;
 103 #endif
 104       myModified[theFeature].insert(theReason);
 105     }
 106     return true;
 107   }
 108   // do not add the disabled, but possibly the sub-elements are not disabled
 109   bool aIsDisabled = theFeature->isDisabled();
 110   if (!aIsDisabled) {
 111     std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 112     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 113       // do not forget that in this case all were the reasons
 114       aNewSet.insert(theFeature);
 115     } else {
 116       if (theReason.get())
 117         aNewSet.insert(theReason);
 118     }
 119     myModified[theFeature] = aNewSet;
 120 #ifdef DEB_UPDATE
 121     std::cout<<"*** Add modified "<<theFeature->name()<<std::endl;
 122 #endif
 123   } else { // will be updated during the finish of the operation, or when it becomes enabled
 124     if (theFeature->data()->execState() == ModelAPI_StateDone)
 125       theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 126     else
 127       return true; // do not need iteration deeply if it is already marked as modified or so
 128 #ifdef DEB_UPDATE
 129     std::cout<<"*** Set modified state "<<theFeature->name()<<std::endl;
 130 #endif
 131   }
 132   // clear processed and fill modified recursively
 133   const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = theFeature->data()->refsToMe();
 134   std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 135   for(; aRefIter != aRefs.cend(); aRefIter++) {
 136     if ((*aRefIter)->isArgument()) {
 137       FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 138       if (aReferenced.get()) {
 139         addModified(aReferenced, theFeature);
 140       }
 141     }
 142   }
 143   // proccess also results
 144   std::list<ResultPtr> allResults; // list of this feature and results
 145   ModelAPI_Tools::allResults(theFeature, allResults);
 146   std::list<ResultPtr>::iterator aRes = allResults.begin();
 147   for(; aRes != allResults.end(); aRes++) {
 148     const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*aRes)->data()->refsToMe();
 149     std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 150     for(; aRefIter != aRefs.cend(); aRefIter++) {
 151       if ((*aRefIter)->isArgument()) {
 152         FeaturePtr aReferenced = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 153         if (aReferenced.get()) {
 154           addModified(aReferenced, theFeature);
 155         }
 156       }
 157     }
 158   }
 159
 160   // also add part feature that contains this feature to the modified
 161   if (theFeature->document()->kind() != "PartSet") {
 162     FeaturePtr aPart = ModelAPI_Tools::findPartFeature(
 163       ModelAPI_Session::get()->moduleDocument(), theFeature->document());
 164     if (aPart.get())
 165       addModified(aPart, theFeature);
 166   }
 167   return true;
 168 }
 169
 170 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
 171 {
 172   static Events_Loop* aLoop = Events_Loop::loop();
 173   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 174   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 175   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
 176   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
 177   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
 178   static const Events_ID kStabilityEvent = aLoop->eventByName(EVENT_STABILITY_CHANGED);
 179   static const Events_ID kPreviewBlockedEvent = aLoop->eventByName(EVENT_PREVIEW_BLOCKED);
 180   static const Events_ID kPreviewRequestedEvent = aLoop->eventByName(EVENT_PREVIEW_REQUESTED);
 181
 182 #ifdef DEB_UPDATE
 183   std::cout<<"****** Event "<<theMessage->eventID().eventText()<<std::endl;
 184 #endif
 185   if (theMessage->eventID() == kStabilityEvent) {
 186     updateStability(theMessage->sender());
 187     return;
 188   }
 189   if (theMessage->eventID() == kPreviewBlockedEvent) {
 190     myIsPreviewBlocked = true;
 191     return;
 192   }
 193   if (theMessage->eventID() == kPreviewRequestedEvent) {
 194     if (myIsPreviewBlocked) {
 195       myIsPreviewBlocked = false;
 196       processFeatures();
 197       myIsPreviewBlocked = true;
 198     }
 199     return;
 200   }
 201   // creation is added to "update" to avoid recomputation twice: on create and immediately after on update
 202   if (theMessage->eventID() == kCreatedEvent) {
 203     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 204         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 205     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 206     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 207     for(; anObjIter != anObjs.cend(); anObjIter++) {
 208       if (std::dynamic_pointer_cast<Model_Document>((*anObjIter)->document())->executeFeatures())
 209         ModelAPI_EventCreator::get()->sendUpdated(*anObjIter, kUpdatedEvent);
 210     }
 211     return;
 212   }
 213   if (theMessage->eventID() == kUpdatedEvent) {
 214     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
 215         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 216     const std::set<ObjectPtr>& anObjs = aMsg->objects();
 217     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
 218     bool aSomeModified = false; // check that features not changed: only redisplay is needed
 219     for(; anObjIter != anObjs.cend(); anObjIter++) {
 220       if (!(*anObjIter)->data()->isValid())
 221         continue;
 222 #ifdef DEB_UPDATE
 223       std::cout<<">>> in event updated "<<(*anObjIter)->data()->name()<<std::endl;
 224 #endif
 225       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
 226         myIsParamUpdated = true;
 227       }
 228       // on undo/redo, abort do not update persisten features
 229       FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>(*anObjIter);
 230       if (anUpdated.get()) {
 231         if (addModified(anUpdated, FeaturePtr()))
 232           aSomeModified = true;
 233       } else { // process the updated result as update of features that refers to this result
 234         const std::set<std::shared_ptr<ModelAPI_Attribute> >& aRefs = (*anObjIter)->data()->refsToMe();
 235         std::set<std::shared_ptr<ModelAPI_Attribute> >::const_iterator aRefIter = aRefs.cbegin();
 236         for(; aRefIter != aRefs.cend(); aRefIter++) {
 237           if (!(*aRefIter)->owner()->data()->isValid())
 238             continue;
 239           FeaturePtr anUpdated = std::dynamic_pointer_cast<ModelAPI_Feature>((*aRefIter)->owner());
 240           if (anUpdated.get()) {
 241             if (addModified(anUpdated, FeaturePtr()))
 242               aSomeModified = true;
 243           }
 244         }
 245       }
 246     }
 247     // this event is for solver update, not here, do not react immediately
 248     if (aSomeModified) {
 249         processFeatures();
 250     }
 251   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 252       theMessage->eventID() == kOpStartEvent) {
 253     myIsPreviewBlocked = false;
 254
 255     if (theMessage->eventID() == kOpFinishEvent) {
 256       myIsFinish = true;
 257       // add features that wait for finish as modified
 258       std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aFeature = myProcessOnFinish.begin();
 259       for(; aFeature != myProcessOnFinish.end(); aFeature++)
 260         if ((*aFeature)->data()->isValid()) // there may be already removed wait for features
 261           addModified(*aFeature, FeaturePtr());
 262       myIsFinish = false;
 263     }
 264     myProcessOnFinish.clear(); // processed features must be only on finish, so clear anyway (to avoid reimport on load)
 265
 266     if (!(theMessage->eventID() == kOpStartEvent)) {
 267       processFeatures(false);
 268     }
 269     // remove all macros before clearing all created
 270     std::set<FeaturePtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 271     while(anUpdatedIter != myWaitForFinish.end()) {
 272       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 273       if (aFeature.get()) {
 274         // remove macro on finish
 275         if (aFeature->isMacro()) {
 276           aFeature->document()->removeFeature(aFeature);
 277           myWaitForFinish.erase(aFeature);
 278         }
 279         // to avoid the map update problems on "remove"
 280         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 281           anUpdatedIter = myWaitForFinish.begin();
 282         } else {
 283           anUpdatedIter++;
 284         }
 285       } else {
 286         anUpdatedIter++;
 287       }
 288     }
 289     // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
 290     // if should be done after removeFeature() of document,
 291     // by this reason, upper processFeatures() do not perform this flush
 292     Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 293
 294     // in the end of transaction everything is updated, so clear the old objects
 295     myIsParamUpdated = false;
 296     myWaitForFinish.clear();
 297   }
 298 }
 299
 300 void Model_Update::processFeatures(const bool theFlushRedisplay)
 301 {
 302    // perform update of everything if it is not performed right now or any preview is blocked
 303   if (!myIsProcessed && !myIsPreviewBlocked) {
 304     myIsProcessed = true;
 305     #ifdef DEB_UPDATE
 306       std::cout<<"****** Start processing"<<std::endl;
 307     #endif
 308
 309     while(!myModified.empty()) {
 310       processFeature(myModified.begin()->first);
 311     }
 312     myIsProcessed = false;
 313
 314     // flush updates just before "myModification" increment: to distinguish
 315     // updates by "execute" produced by this updater and other updates, coming outside,
 316     // which are really important for "processEvent" of this updater
 317     static Events_Loop* aLoop = Events_Loop::loop();
 318     static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
 319     aLoop->flush(kUpdatedEvent);
 320
 321     // flush to update display
 322     if (theFlushRedisplay) {
 323       static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 324       aLoop->flush(EVENT_DISP);
 325     }
 326     #ifdef DEB_UPDATE
 327       std::cout<<"****** End processing"<<std::endl;
 328     #endif
 329     myProcessed.clear();
 330   }
 331 }
 332
 333 bool Model_Update::processFeature(FeaturePtr theFeature)
 334 {
 335   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 336
 337   if (!theFeature->data()->isValid()) { // deleted feature, just remove from all containers
 338     if (myModified.find(theFeature) != myModified.end())
 339       myModified.erase(theFeature);
 340     return false;
 341   }
 342
 343   if (theFeature->isPersistentResult()) {
 344     if (!std::dynamic_pointer_cast<Model_Document>((theFeature)->document())->executeFeatures())
 345       return false;
 346   }
 347
 348   if (myProcessed.find(theFeature) == myProcessed.end()) {
 349     myProcessed[theFeature] = 0;
 350   } else {
 351     int aCount = myProcessed[theFeature];
 352     if (aCount > 100) { // too many repetition of processing (in VS it may crash on 330 with stack overflow)
 353       Events_Error::send(
 354         "Feature '" + theFeature->data()->name() + "' is updated in infinitive loop");
 355       return false;
 356     }
 357     myProcessed[theFeature] = aCount + 1;
 358   }
 359
 360   // check this feature is not yet checked or processed
 361   bool aIsModified = myModified.find(theFeature) != myModified.end();
 362   if (!aIsModified && myIsFinish) { // get info about the modification for features without preview
 363     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 364       aIsModified = true;
 365       std::set<std::shared_ptr<ModelAPI_Feature> > aNewSet;
 366       aNewSet.insert(theFeature); // contains itself, so, we don't know which was the reason and the reason is any
 367       myModified[theFeature] = aNewSet;
 368     }
 369   }
 370
 371 #ifdef DEB_UPDATE
 372     std::cout<<"* Process feature "<<theFeature->name()<<std::endl;
 373 #endif
 374
 375   // update the sketch plane before the sketch sub-elements are recomputed
 376   // (otherwise sketch will update plane, modify subs, after executed, but with old subs edges)
 377   if (aIsModified && theFeature->getKind() == "Sketch") {
 378 #ifdef DEB_UPDATE
 379     std::cout<<"****** Update sketch args "<<theFeature->name()<<std::endl;
 380 #endif
 381     AttributeSelectionPtr anExtSel = theFeature->selection("External");
 382     if (anExtSel.get()) {
 383       ResultPtr aContext = anExtSel->context();
 384       if (aContext.get() && aContext->document().get()) {
 385         FeaturePtr anExtBase = aContext->document()->feature(aContext);
 386         if (anExtBase.get()) {
 387           processFeature(anExtBase);
 388         }
 389       }
 390     }
 391     updateArguments(theFeature);
 392   }
 393
 394   if (!aIsModified) { // no modification is needed
 395     return false;
 396   }
 397
 398   // evaluate parameter before the sub-elements update: it updates dependencies on evaluation (#1085)
 399   if (theFeature->getKind() == "Parameter") {
 400     theFeature->execute();
 401   }
 402
 403   // check all features this feature depended on (recursive call of updateFeature)
 404   std::set<std::shared_ptr<ModelAPI_Feature> >& aReasons = myModified[theFeature];
 405   if (aReasons.find(theFeature) == aReasons.end()) {
 406     std::set<std::shared_ptr<ModelAPI_Feature> >::iterator aReasonIter = aReasons.begin();
 407     for(; aReasonIter != aReasons.end(); aReasonIter++) {
 408       if (*aReasonIter != theFeature && processFeature(*aReasonIter)) {
 409         aIsModified = true;
 410       }
 411     }
 412   } else { // check all features this feature depended on because here which one was modified is unknown
 413     std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > > aDeps;
 414     theFeature->data()->referencesToObjects(aDeps);
 415     std::list<std::pair<std::string, std::list<std::shared_ptr<ModelAPI_Object> > > >::iterator
 416       anAttrsIter = aDeps.begin();
 417     for(; anAttrsIter != aDeps.end(); anAttrsIter++) {
 418       if (theFeature->attribute(anAttrsIter->first)->isArgument()) {
 419         std::list<std::shared_ptr<ModelAPI_Object> >::iterator aDepIter = anAttrsIter->second.begin();
 420         for(; aDepIter != anAttrsIter->second.end(); aDepIter++) {
 421           FeaturePtr aDepFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(*aDepIter);
 422           if (!aDepFeat.get()) { // so, it depends on the result and process the feature owner of it
 423             ResultPtr aDepRes = std::dynamic_pointer_cast<ModelAPI_Result>(*aDepIter);
 424             if (aDepRes.get()) {
 425               aDepFeat = (*aDepIter)->document()->feature(aDepRes);
 426             }
 427           }
 428           if (aDepFeat.get()) {
 429             if (processFeature(aDepFeat))
 430               aIsModified = true;
 431           }
 432         }
 433       }
 434     }
 435     if (theFeature->getKind() == "Part") { // part is not depended on its subs directly, but subs must be iterated anyway
 436       CompositeFeaturePtr aPart = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 437       int aNum = aPart->numberOfSubs();
 438       for(int a = 0; a < aNum; a++) {
 439         FeaturePtr aSub = aPart->subFeature(a);
 440         if (aSub.get()) {
 441           if (processFeature(aSub))
 442             aIsModified = true;
 443         }
 444       }
 445     }
 446   }
 447
 448   // do not execute the composite that contains the current
 449   bool isPostponedMain = false;
 450   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 451   if (theFeature->getKind() == "ExtrusionSketch" && aCompos.get()) {
 452     CompositeFeaturePtr aCurrentOwner =
 453       ModelAPI_Tools::compositeOwner(theFeature->document()->currentFeature(false));
 454     isPostponedMain = aCurrentOwner.get() && aCompos->isSub(aCurrentOwner);
 455   }
 456
 457   #ifdef DEB_UPDATE
 458     std::cout<<"Update args "<<theFeature->name()<<std::endl;
 459   #endif
 460   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 461   updateArguments(theFeature);
 462
 463   // add this feature to the processed right now to be able remove it from this list on
 464   // update signal during this feature execution
 465   myModified.erase(theFeature);
 466   if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 467     theFeature->data()->execState(ModelAPI_StateDone);
 468
 469   // this checking must be after the composite feature sub-elements processing:
 470   // composite feature status may depend on it's subelements
 471   if (theFeature->data()->execState() == ModelAPI_StateInvalidArgument) {
 472   #ifdef DEB_UPDATE
 473     std::cout<<"Invalid args "<<theFeature->name()<<std::endl;
 474   #endif
 475     theFeature->eraseResults();
 476     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 477     return true; // so, feature is modified (results are erased)
 478   }
 479
 480   // execute feature if it must be updated
 481   ModelAPI_ExecState aState = theFeature->data()->execState();
 482   if (aFactory->validate(theFeature)) {
 483     if (!isPostponedMain) {
 484       executeFeature(theFeature);
 485     }
 486   } else {
 487     #ifdef DEB_UPDATE
 488       std::cout<<"Feature is not valid, erase results "<<theFeature->name()<<std::endl;
 489     #endif
 490     theFeature->eraseResults();
 491     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 492   }
 493   return true;
 494 }
 495
 496 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 497 {
 498   // make updated and redisplay all results
 499   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 500
 501   std::list<ResultPtr> allResults;
 502   ModelAPI_Tools::allResults(theFeature, allResults);
 503   std::list<ResultPtr>::iterator aRIter = allResults.begin();
 504   for (; aRIter != allResults.cend(); aRIter++) {
 505     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 506     if (!aRes->isDisabled()) {// update state only for enabled results (Placement Result Part may make the original Part Result as invalid)
 507       aRes->data()->execState(theState);
 508     }
 509     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 510       aRes->data()->setUpdateID(theFeature->data()->updateID());
 511     }
 512     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 513   }
 514   // to redisplay "presentable" feature (for ex. distance constraint)
 515   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 516   theFeature->data()->execState(theState);
 517 }
 518
 519 /// Updates the state by the referenced object: if something bad with it, set state for this one
 520 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 521 {
 522   if (theTarget) {
 523     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 524     if (aRefState == ModelAPI_StateMustBeUpdated) {
 525       if (theCurrent == ModelAPI_StateDone)
 526         return ModelAPI_StateMustBeUpdated;
 527     } else if (aRefState != ModelAPI_StateDone) {
 528       return ModelAPI_StateInvalidArgument;
 529     }
 530   }
 531   return theCurrent;
 532 }
 533
 534 void Model_Update::updateArguments(FeaturePtr theFeature) {
 535   // perform this method also for disabled features: to make "not done" state for
 536   // features referenced to the active and modified features
 537
 538   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 539
 540   ModelAPI_ExecState aState = theFeature->data()->execState();
 541   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 542     aState = ModelAPI_StateMustBeUpdated;
 543   }
 544   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 545     aState = ModelAPI_StateMustBeUpdated;
 546   // check the parameters state
 547   // Integer
 548   {
 549     std::list<AttributePtr> anAttrinbutes =
 550       theFeature->data()->attributes(ModelAPI_AttributeInteger::typeId());
 551     std::list<AttributePtr>::iterator anIter = anAttrinbutes.begin();
 552     for(; anIter != anAttrinbutes.end(); anIter++) {
 553       AttributeIntegerPtr anAttribute =
 554         std::dynamic_pointer_cast<ModelAPI_AttributeInteger>(*anIter);
 555       if (anAttribute.get() && !anAttribute->text().empty()) {
 556         if (myIsParamUpdated) {
 557           ModelAPI_AttributeEvalMessage::send(anAttribute, this);
 558         }
 559         if (anAttribute->expressionInvalid()) {
 560           aState = ModelAPI_StateInvalidArgument;
 561         }
 562       }
 563     }
 564   }
 565   // Double
 566   {
 567     std::list<AttributePtr> aDoubles =
 568       theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 569     std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 570     for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 571       AttributeDoublePtr aDouble =
 572         std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 573       if (aDouble.get() && !aDouble->text().empty()) {
 574         if (myIsParamUpdated) {
 575           ModelAPI_AttributeEvalMessage::send(aDouble, this);
 576         }
 577         if (aDouble->expressionInvalid()) {
 578           aState = ModelAPI_StateInvalidArgument;
 579         }
 580       }
 581     }
 582   }
 583   // Point
 584   {
 585     std::list<AttributePtr> anAttributes =
 586       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 587     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 588     for(; anIter != anAttributes.end(); anIter++) {
 589       AttributePointPtr aPointAttribute =
 590         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 591       if (aPointAttribute.get() && (!aPointAttribute->textX().empty() ||
 592           !aPointAttribute->textY().empty() || !aPointAttribute->textZ().empty())) {
 593         if (myIsParamUpdated) {
 594           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 595         }
 596         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 597           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 598           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 599           aState = ModelAPI_StateInvalidArgument;
 600       }
 601     }
 602   }
 603   // Point2D
 604   {
 605     std::list<AttributePtr> anAttributes =
 606       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 607     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 608     for(; anIter != anAttributes.end(); anIter++) {
 609       AttributePoint2DPtr aPoint2DAttribute =
 610         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 611       if (aPoint2DAttribute.get()) {
 612         if (myIsParamUpdated && (!aPoint2DAttribute->textX().empty() ||
 613             !aPoint2DAttribute->textY().empty())) {
 614           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 615         }
 616         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 617           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 618           aState = ModelAPI_StateInvalidArgument;
 619       }
 620     }
 621   }
 622   // update the selection attributes if any
 623   list<AttributePtr> aRefs =
 624     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 625   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 626   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 627     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 628       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 629     ObjectPtr aContext = aSel->context();
 630     // update argument only if the referenced object is ready to use
 631     if (aContext.get() && !aContext->isDisabled()) {
 632       if (isReason(theFeature, aContext)) {
 633         if (!aSel->update()) { // this must be done on execution since it may be long operation
 634           bool isObligatory = !aFactory->isNotObligatory(
 635             theFeature->getKind(), theFeature->data()->id(aSel)) &&
 636             aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 637           if (isObligatory)
 638             aState = ModelAPI_StateInvalidArgument;
 639         }
 640       }
 641     } else if (aContext.get()) {
 642       // here it may be not obligatory, but if the reference is wrong, it should not be correct
 643       bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 644       if (isObligatory)
 645         aState = ModelAPI_StateInvalidArgument;
 646     }
 647   }
 648   // update the selection list attributes if any
 649   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 650   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 651     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 652       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 653     for(int a = aSel->size() - 1; a >= 0; a--) {
 654       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 655         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 656       if (aSelAttr) {
 657         ObjectPtr aContext = aSelAttr->context();
 658         // update argument only if the referenced object is ready to use
 659         if (aContext.get() && !aContext->isDisabled()) {
 660           if (isReason(theFeature, aContext)) {
 661             if (!aSelAttr->update()) {
 662               bool isObligatory = !aFactory->isNotObligatory(
 663                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 664                 aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 665               if (isObligatory)
 666                 aState = ModelAPI_StateInvalidArgument;
 667             }
 668           }
 669         } else if (aContext.get()) {
 670           // here it may be not obligatory, but if the reference is wrong, it should not be correct
 671           bool isObligatory = aFactory->isCase(theFeature, theFeature->data()->id(aSel));
 672           if (isObligatory)
 673             aState = ModelAPI_StateInvalidArgument;
 674         }
 675       }
 676     }
 677   }
 678
 679   if (aState != ModelAPI_StateDone)
 680     theFeature->data()->execState(aState);
 681 }
 682
 683 bool Model_Update::isReason(std::shared_ptr<ModelAPI_Feature>& theFeature,
 684      std::shared_ptr<ModelAPI_Object> theReason)
 685 {
 686   std::map<std::shared_ptr<ModelAPI_Feature>, std::set<std::shared_ptr<ModelAPI_Feature> > >
 687     ::iterator aReasonsIt = myModified.find(theFeature);
 688   if (aReasonsIt == myModified.end())
 689     return false; // this case only for not-previewed items update state, nothing is changed in args for it
 690   if (aReasonsIt->second.find(theFeature) != aReasonsIt->second.end())
 691     return true; // any is reason if it contains itself
 692   FeaturePtr aReasFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(theReason);
 693   if (!aReasFeat.get()) { // try to get feature of this result
 694     ResultPtr aReasRes = std::dynamic_pointer_cast<ModelAPI_Result>(theReason);
 695     if (aReasRes.get())
 696       aReasFeat = theReason->document()->feature(aReasRes);
 697   }
 698   return aReasonsIt->second.find(aReasFeat) != aReasonsIt->second.end();
 699
 700 }
 701
 702 void Model_Update::executeFeature(FeaturePtr theFeature)
 703 {
 704 #ifdef DEB_UPDATE
 705   std::cout<<"Execute Feature "<<theFeature->name()<<std::endl;
 706 #endif
 707   // execute in try-catch to avoid internal problems of the feature
 708   ModelAPI_ExecState aState = ModelAPI_StateDone;
 709   theFeature->data()->execState(ModelAPI_StateDone);
 710   try {
 711     theFeature->execute();
 712     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 713       aState = ModelAPI_StateExecFailed;
 714     } else {
 715       aState = ModelAPI_StateDone;
 716     }
 717   } catch(...) {
 718     aState = ModelAPI_StateExecFailed;
 719     Events_Error::send(
 720       "Feature " + theFeature->getKind() + " has failed during the execution");
 721   }
 722   // The macro feature has to be deleted in any case even its execution is failed
 723   myWaitForFinish.insert(theFeature);
 724   if (aState != ModelAPI_StateDone) {
 725     theFeature->eraseResults();
 726   }
 727   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 728   redisplayWithResults(theFeature, aState);
 729 }
 730
 731 void Model_Update::updateStability(void* theSender)
 732 {
 733   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 734   if (theSender) {
 735     bool added = false; // object may be was crated
 736     ModelAPI_Object* aSender = static_cast<ModelAPI_Object*>(theSender);
 737     if (aSender && aSender->document()) {
 738       FeaturePtr aFeatureSender =
 739         std::dynamic_pointer_cast<ModelAPI_Feature>(aSender->data()->owner());
 740       if (aFeatureSender.get()) {
 741         Model_Objects* aDocObjects =
 742           std::dynamic_pointer_cast<Model_Document>(aSender->document())->objects();
 743         if (aDocObjects) {
 744           //aDocObjects->synchronizeBackRefs();
 745           // remove or add all concealment refs from this feature
 746           std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 747           aSender->data()->referencesToObjects(aRefs);
 748           std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRefIt = aRefs.begin();
 749           for(; aRefIt != aRefs.end(); aRefIt++) {
 750             if (!aFactory->isConcealed(aFeatureSender->getKind(), aRefIt->first))
 751               continue; // take into account only concealed references (do not remove the sketch constraint and the edge on constraint edit)
 752             std::list<ObjectPtr>& aRefFeaturesList = aRefIt->second;
 753             std::list<ObjectPtr>::iterator aReferenced = aRefFeaturesList.begin();
 754             for(; aReferenced != aRefFeaturesList.end(); aReferenced++) {
 755                // stability is only on results: feature to feature reference mean nested
 756               // features, that will remove nesting references
 757               if (aReferenced->get() && (*aReferenced)->data()->isValid() &&
 758                 (*aReferenced)->groupName() != ModelAPI_Feature::group()) {
 759                 std::shared_ptr<Model_Data> aData =
 760                   std::dynamic_pointer_cast<Model_Data>((*aReferenced)->data());
 761                 if (aFeatureSender->isStable()) {
 762                   aData->addBackReference(aFeatureSender, aRefIt->first);
 763                 } else {
 764                   aData->removeBackReference(aFeatureSender, aRefIt->first);
 765                   added = true; // remove of concealment may be caused creation of some result
 766                 }
 767               }
 768             }
 769           }
 770         }
 771       }
 772     }
 773     if (added) {
 774       static Events_Loop* aLoop = Events_Loop::loop();
 775       static Events_ID kEventCreated = aLoop->eventByName(EVENT_OBJECT_CREATED);
 776       aLoop->flush(kEventCreated);
 777     }
 778   }
 779 }