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 <Events_Loop.h>
  27 #include <Events_LongOp.h>
  28 #include <Events_Error.h>
  29 #include <Config_PropManager.h>
  30
  31 using namespace std;
  32
  33 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  34
  35 Model_Update::Model_Update()
  36 {
  37   Events_Loop* aLoop = Events_Loop::loop();
  38   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  39   aLoop->registerListener(this, kChangedEvent);
  40   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  41   aLoop->registerListener(this, kRebuildEvent);
  42   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  43   aLoop->registerListener(this, kCreatedEvent);
  44   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  45   aLoop->registerListener(this, kUpdatedEvent);
  46   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  47   aLoop->registerListener(this, kMovedEvent);
  48   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  49   aLoop->registerListener(this, kOpFinishEvent);
  50   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  51   aLoop->registerListener(this, kOpAbortEvent);
  52   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  53   aLoop->registerListener(this, kOpStartEvent);
  54
  55   Config_PropManager::registerProp("Model update", "automatic_rebuild", "Rebuild immediately",
  56                                    Config_Prop::Boolean, "false");
  57   myIsAutomatic =
  58     Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  59 }
  60
  61 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  62 {
  63   static Events_Loop* aLoop = Events_Loop::loop();
  64   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  65   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  66   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
  67   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
  68   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  69   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  70   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  71   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  72   bool isOperationChanged = false;
  73   if (theMessage->eventID() == kChangedEvent) { // automatic and manual rebuild flag is changed
  74     bool aPropVal =
  75       Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  76     if (aPropVal != myIsAutomatic) { // something is changed
  77       myIsAutomatic = aPropVal;
  78       if (myIsAutomatic) // higher level of automatization => to rebuild
  79         processOperation(false);
  80     }
  81   } else if (theMessage->eventID() == kRebuildEvent) { // the rebuild command
  82     processOperation(true);
  83   } else if (theMessage->eventID() == kCreatedEvent || theMessage->eventID() == kUpdatedEvent ||
  84              theMessage->eventID() == kMovedEvent) {
  85     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
  86         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
  87     const std::set<ObjectPtr>& anObjs = aMsg->objects();
  88     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
  89     bool isOnlyResults = true; // check that only results were changed: only redisplay is needed
  90     for(; anObjIter != anObjs.cend(); anObjIter++) {
  91       if (!std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter).get()) {
  92         isOnlyResults = false;
  93       }
  94       // created objects are always must be up to date (python box feature)
  95       // and updated not in internal uptation chain
  96       if (theMessage->eventID() == kCreatedEvent) {
  97         myJustCreated.insert(*anObjIter);
  98       } else if (myJustCreated.find(*anObjIter) == myJustCreated.end()) { // moved and updated
  99         myJustUpdated.insert(*anObjIter);
 100       }
 101     }
 102      // this event is for solver update, not here, do not react immideately
 103     if (!isOnlyResults && !(theMessage->eventID() == kMovedEvent))
 104       processOperation(false);
 105   } else if (theMessage->eventID() == kOpStartEvent) {
 106     // we don't need the update only on operation start (caused problems in PartSet_Listener::processEvent)
 107     isOperationChanged = true;
 108   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent) {
 109     processOperation(true, theMessage->eventID() == kOpFinishEvent);
 110     isOperationChanged = true;
 111   }
 112   if (isOperationChanged) {
 113     // remove all macros before clearing all created
 114     std::set<ObjectPtr>::iterator aCreatedIter = myJustCreated.begin();
 115     for(; aCreatedIter != myJustCreated.end(); aCreatedIter++) {
 116       FeaturePtr aFeature =
 117         std::dynamic_pointer_cast<ModelAPI_Feature>(*aCreatedIter);
 118       if (aFeature.get()) {
 119         // execute not-previewed feature on "apply"
 120         if (!aFeature->isPreviewNeeded() && (myJustCreated.find(aFeature) != myJustCreated.end() ||
 121           myJustUpdated.find(aFeature) != myJustUpdated.end())) {
 122           static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 123           if (aFactory->validate(aFeature)) {
 124             executeFeature(aFeature);
 125           }
 126         }
 127         // remove macro on apply
 128         if (aFeature->isMacro()) {
 129           aFeature->document()->removeFeature(aFeature);
 130         }
 131       }
 132     }
 133     myJustCreated.clear();
 134     myJustUpdated.clear();
 135   }
 136 }
 137
 138 void Model_Update::processOperation(const bool theTotalUpdate, const bool theFinish)
 139 {
 140   if (theFinish) {
 141     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 142     std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 143     for(aFIter = myJustCreated.begin(); aFIter != myJustCreated.end(); aFIter++)
 144     {
 145       FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 146       if (aF && aF->data().get() && aF->getKind() == "Extrusion") {
 147         AttributeSelectionListPtr aBase = aF->selectionList("base");
 148         if (aBase.get()) {
 149           for(int a = aBase->size() - 1; a >= 0; a--) {
 150             ResultPtr aSketchRes = aBase->value(a)->context();
 151             if (aSketchRes) {
 152               aSketchRes->setDisplayed(false);
 153             }
 154           }
 155         }
 156       }
 157     }
 158   }
 159   // perform update of everything if needed
 160   if (!myIsExecuted) {
 161     myIsExecuted = true;
 162
 163     bool isAutomaticChanged = false;
 164
 165     if (theTotalUpdate && !myIsAutomatic) { // Apply button now works as "Rebuild"
 166       isAutomaticChanged = true;
 167       myIsAutomatic = true;
 168     }
 169
 170     updateInDoc(ModelAPI_Session::get()->moduleDocument());
 171
 172     if (isAutomaticChanged) myIsAutomatic = false;
 173     myIsExecuted = false;
 174
 175     // flush to update display
 176     static Events_Loop* aLoop = Events_Loop::loop();
 177     static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 178     aLoop->flush(EVENT_DISP);
 179   }
 180 }
 181
 182 void Model_Update::updateInDoc(std::shared_ptr<ModelAPI_Document> theDoc)
 183 {
 184   std::set<FeaturePtr> alreadyProcessed; // features that are processed before others
 185   // all features one by one
 186   Model_Objects* anObjs = std::dynamic_pointer_cast<Model_Document>(theDoc)->objects();
 187   if (!anObjs) return;
 188   FeaturePtr aFeatureIter = anObjs->firstFeature();
 189   for (; aFeatureIter.get(); aFeatureIter = anObjs->nextFeature(aFeatureIter)) {
 190     if (aFeatureIter && alreadyProcessed.find(aFeatureIter) == alreadyProcessed.end()) {
 191       // update selection and parameters attributes first, before sub-features analysis (sketch plane)
 192       updateArguments(aFeatureIter);
 193       // composite feature must be executed after sub-features execution
 194       CompositeFeaturePtr aComposite =
 195         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeatureIter);
 196       if (aComposite) {
 197         // number of subs can be changed in execution: like fillet
 198         for(int a = 0; a < aComposite->numberOfSubs(); a++) {
 199           FeaturePtr aSub = aComposite->subFeature(a);
 200           updateFeature(aSub);
 201           alreadyProcessed.insert(aSub);
 202         }
 203       }
 204
 205       updateFeature(aFeatureIter);
 206       // update the document results recursively
 207       const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeatureIter->results();
 208       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 209       for (; aRIter != aResults.cend(); aRIter++) {
 210         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aRIter);
 211         if (aPart.get()) {
 212           if (!aPart->isDisabled() && aPart->isActivated()) {
 213             updateInDoc(aPart->partDoc());
 214           }
 215         }
 216       }
 217     }
 218   }
 219 }
 220
 221 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 222 {
 223   // make updated and redisplay all results
 224   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 225   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 226   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 227   for (; aRIter != aResults.cend(); aRIter++) {
 228     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 229     aRes->data()->execState(theState);
 230     myJustUpdated.insert(aRes);
 231     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 232   }
 233   // to redisplay "presentable" feature (for ex. distance constraint)
 234   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 235   theFeature->data()->execState(theState);
 236 }
 237
 238 /// Updates the state by the referenced object: if something bad with it, set state for this one
 239 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 240 {
 241   if (theTarget) {
 242     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 243     if (aRefState == ModelAPI_StateMustBeUpdated) {
 244       return ModelAPI_StateMustBeUpdated;
 245     } else if (aRefState != ModelAPI_StateDone) {
 246       return ModelAPI_StateInvalidArgument;
 247     }
 248   }
 249   return theCurrent;
 250 }
 251
 252 void Model_Update::updateArguments(FeaturePtr theFeature) {
 253   // perform this method also for disabled features: to make "not done" state for
 254   // featuers referenced to the active and modified features
 255
 256   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 257
 258   bool aJustUpdated = false;
 259   ModelAPI_ExecState aState = theFeature->data()->execState();
 260   // check the parameters: values can be changed
 261   std::list<AttributePtr> aDoubles =
 262     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 263   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 264   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 265     AttributeDoublePtr aDouble =
 266       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 267     if (aDouble.get() && !aDouble->text().empty()) {
 268       double aNewVal;
 269       if (ModelAPI_Tools::findVariable(aDouble->text(), aNewVal)) {
 270         if (aNewVal != aDouble->value()) {
 271           aDouble->setValue(aNewVal);
 272           aJustUpdated = true;
 273         }
 274       } else {
 275         aState = ModelAPI_StateInvalidArgument;
 276       }
 277     }
 278   }
 279
 280   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 281     //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 282     // before execution update the selection attributes if any
 283     list<AttributePtr> aRefs =
 284       theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 285     list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 286     for (; aRefsIter != aRefs.end(); aRefsIter++) {
 287       std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 288         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 289       ObjectPtr aContext = aSel->context();
 290       // update argument onlt if the referenced object is changed
 291       if (aContext.get() && isUpdated(aContext) && !aContext->isDisabled()) {
 292         if (aState == ModelAPI_StateDone)
 293           aState = ModelAPI_StateMustBeUpdated;
 294         if (!aSel->update()) { // this must be done on execution since it may be long operation
 295           if (!aFactory->isNotObligatory(theFeature->getKind(), theFeature->data()->id(aSel)) &&
 296               aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 297             aState = ModelAPI_StateInvalidArgument;
 298         }
 299       }
 300     }
 301     aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 302     for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 303       std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 304         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 305       for(int a = aSel->size() - 1; a >= 0; a--) {
 306         std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 307           std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 308         if (aSelAttr) {
 309           ObjectPtr aContext = aSelAttr->context();
 310           // update argument onlt if the referenced object is changed
 311           if (aContext.get() && isUpdated(aContext) && !aContext->isDisabled()) {
 312             if (aState == ModelAPI_StateDone)
 313               aState = ModelAPI_StateMustBeUpdated;
 314             if (!aSelAttr->update()) {
 315               if (!aFactory->isNotObligatory(
 316                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 317                 aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 318                 aState = ModelAPI_StateInvalidArgument;
 319             }
 320           }
 321         }
 322       }
 323     }
 324   //}
 325   if (aJustUpdated && myJustCreated.find(theFeature) == myJustCreated.end())
 326   myJustUpdated.insert(theFeature);
 327   if (aState != ModelAPI_StateDone)
 328     theFeature->data()->execState(aState);
 329 }
 330
 331 void Model_Update::updateFeature(FeaturePtr theFeature)
 332 {
 333   // check all features this feature depended on (recursive call of updateFeature)
 334   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 335
 336   if (theFeature->isDisabled()) // nothing to do with disabled feature
 337     return;
 338   bool aJustUpdated = false;
 339
 340   if (theFeature) {
 341     if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 342       aJustUpdated = true;
 343
 344     ModelAPI_ExecState aState = ModelAPI_StateDone;
 345
 346     // check all references: if referenced objects are updated, this object also must be updated
 347     // also check state of referenced objects: if they are not ready, inherit corresponding state
 348     std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 349     std::shared_ptr<Model_Data> aData =
 350       std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 351     aData->referencesToObjects(aRefs);
 352     std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefs.begin();
 353     for(; aRef != aRefs.end(); aRef++) {
 354       std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 355       for(; aRefObj != aRef->second.end(); aRefObj++) {
 356         if (myJustCreated.find(*aRefObj) != myJustCreated.end() ||
 357             myJustUpdated.find(*aRefObj) != myJustUpdated.end()) {
 358           aJustUpdated = true;
 359         }
 360         aState = stateByReference(*aRefObj, aState);
 361       }
 362     }
 363
 364     // some arguments were changed, so, this feature must be updated
 365     if (myJustCreated.find(theFeature) != myJustCreated.end()) {
 366       aJustUpdated = true;
 367     } else {
 368       if (aJustUpdated) {
 369         if (myJustUpdated.find(theFeature) == myJustUpdated.end())
 370           myJustUpdated.insert(theFeature);
 371       } else {
 372         aJustUpdated = myJustUpdated.find(theFeature) != myJustUpdated.end();
 373       }
 374     }
 375     //std::cout<<"Update feature "<<theFeature->getKind()<<" must be updated = "<<aMustbeUpdated<<std::endl;
 376     // execute feature if it must be updated
 377     if (aJustUpdated) {
 378       if ((std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures() ||
 379           !theFeature->isPersistentResult()) && theFeature->isPreviewNeeded()) {
 380         if (aFactory->validate(theFeature)) {
 381           if (myIsAutomatic || !theFeature->isPersistentResult() /* execute quick, not persistent results */
 382               || (isUpdated(theFeature) &&
 383                theFeature == theFeature->document()->currentFeature(false))) // currently edited
 384           {
 385             if (aState == ModelAPI_StateDone || aState == ModelAPI_StateMustBeUpdated) {
 386               executeFeature(theFeature);
 387             }
 388           } else { // must be updatet, but not updated yet
 389             theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 390             const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 391             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 392             for (; aRIter != aResults.cend(); aRIter++) {
 393               std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 394               aRes->data()->execState(ModelAPI_StateMustBeUpdated);
 395             }
 396           }
 397         } else {
 398           theFeature->eraseResults();
 399           redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 400         }
 401       } else { // for automatically updated features (on abort, etc) it is necessary to redisplay anyway
 402         redisplayWithResults(theFeature, ModelAPI_StateNothing);
 403       }
 404     }
 405   }
 406 }
 407
 408 void Model_Update::executeFeature(FeaturePtr theFeature)
 409 {
 410   // execute in try-catch to avoid internal problems of the feature
 411   ModelAPI_ExecState aState = ModelAPI_StateDone;
 412   theFeature->data()->execState(ModelAPI_StateDone);
 413   try {
 414     theFeature->execute();
 415     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 416       aState = ModelAPI_StateExecFailed;
 417     } else {
 418       aState = ModelAPI_StateDone;
 419     }
 420   } catch(...) {
 421     aState = ModelAPI_StateExecFailed;
 422     Events_Error::send(
 423       "Feature " + theFeature->getKind() + " has failed during the execution");
 424   }
 425   if (aState != ModelAPI_StateDone) {
 426     theFeature->eraseResults();
 427   }
 428   redisplayWithResults(theFeature, aState);
 429 }
 430
 431 bool Model_Update::isUpdated(const ObjectPtr& theObj)
 432 {
 433   return myJustCreated.find(theObj) != myJustCreated.end() ||
 434          myJustUpdated.find(theObj) != myJustUpdated.end();
 435 }