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