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