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 <ModelAPI_Feature.h>
  11 #include <ModelAPI_Data.h>
  12 #include <ModelAPI_Document.h>
  13 #include <ModelAPI_Events.h>
  14 #include <ModelAPI_AttributeReference.h>
  15 #include <ModelAPI_AttributeRefList.h>
  16 #include <ModelAPI_AttributeRefAttr.h>
  17 #include <ModelAPI_AttributeSelection.h>
  18 #include <ModelAPI_AttributeSelectionList.h>
  19 #include <ModelAPI_Result.h>
  20 #include <ModelAPI_Validator.h>
  21 #include <ModelAPI_CompositeFeature.h>
  22 #include <ModelAPI_Session.h>
  23 #include <Events_Loop.h>
  24 #include <Events_LongOp.h>
  25 #include <Events_Error.h>
  26 #include <Config_PropManager.h>
  27
  28 using namespace std;
  29
  30 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  31
  32 Model_Update::Model_Update()
  33 {
  34   Events_Loop* aLoop = Events_Loop::loop();
  35   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  36   aLoop->registerListener(this, kChangedEvent);
  37   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  38   aLoop->registerListener(this, kRebuildEvent);
  39   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  40   aLoop->registerListener(this, kCreatedEvent);
  41   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  42   aLoop->registerListener(this, kUpdatedEvent);
  43   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  44   aLoop->registerListener(this, kMovedEvent);
  45   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  46   aLoop->registerListener(this, kOpFinishEvent);
  47   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  48   aLoop->registerListener(this, kOpAbortEvent);
  49   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  50   aLoop->registerListener(this, kOpStartEvent);
  51
  52   Config_PropManager::registerProp("Model update", "automatic_rebuild", "Rebuild immediately",
  53                                    Config_Prop::Bool, "false");
  54   myIsAutomatic =
  55     Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  56 }
  57
  58 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  59 {
  60   static Events_Loop* aLoop = Events_Loop::loop();
  61   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  62   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  63   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
  64   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
  65   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  66   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  67   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  68   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  69   bool isAutomaticChanged = false;
  70   if (theMessage->eventID() == kChangedEvent) { // automatic and manual rebuild flag is changed
  71     bool aPropVal =
  72       Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  73     if (aPropVal == myIsAutomatic)
  74       return; // nothing is changed, so nithing to do
  75     myIsAutomatic = aPropVal;
  76     if (!myIsAutomatic)
  77       return; // less automatization => nothing to do
  78   } else if (theMessage->eventID() == kRebuildEvent) { // the rebuild command
  79     if (myIsAutomatic == false) {
  80       isAutomaticChanged = true;
  81       myIsAutomatic = true;
  82     }
  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     for(; anObjIter != anObjs.cend(); anObjIter++) {
  90       myJustCreatedOrUpdated.insert(*anObjIter);
  91       // created objects are always must be up to date (python box feature)
  92       // and updated not in internal uptation chain
  93       if (!myIsExecuted || theMessage->eventID() == kCreatedEvent)
  94         myInitial.insert(*anObjIter);
  95       // TODO(mpv): check the next line. Came into dev 0.6.1 from BR_PYTHON_PLUGIN
  96       // (*anObjIter)->data()->mustBeUpdated(true); // object must be updated because it was changed
  97     }
  98     if (theMessage->eventID() == kMovedEvent)
  99       return; // this event is for solver update, not here
 100   } else if (theMessage->eventID() == kOpStartEvent) {
 101     myJustCreatedOrUpdated.clear();
 102     myInitial.clear();
 103     return; // we don't need the update only on operation start (caused problems in PartSet_Listener::processEvent)
 104   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent) {
 105     if (myIsAutomatic == false) { // Apply button now works as "Rebuild"
 106       isAutomaticChanged = true;
 107       myIsAutomatic = true;
 108     }
 109     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 110     if (theMessage->eventID() == kOpFinishEvent) {
 111       std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 112       for(aFIter = myJustCreatedOrUpdated.begin(); aFIter != myJustCreatedOrUpdated.end(); aFIter++)
 113       {
 114         FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 115         if (aF && aF->data() && aF->data()->isValid() && aF->getKind() == "Extrusion") {
 116           if (aF->selection("extrusion_face")) {
 117             ResultPtr aSketchRes = aF->selection("extrusion_face")->context();
 118             if (aSketchRes) {
 119               static Events_ID HIDE_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TOHIDE);
 120               ModelAPI_EventCreator::get()->sendUpdated(aSketchRes, HIDE_DISP);
 121             }
 122           }
 123         }
 124       }
 125     }
 126   }
 127
 128   if (myIsExecuted)
 129     return;  // nothing to do: it is executed now
 130
 131   //Events_LongOp::start(this);
 132   myIsExecuted = true;
 133   // iterate all documents: features in Root first, then - subs
 134   updateInDoc(ModelAPI_Session::get()->moduleDocument());
 135
 136   myUpdated.clear();
 137   // flush to update display
 138   static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 139   aLoop->flush(EVENT_DISP);
 140   //Events_LongOp::end(this);
 141   if (isAutomaticChanged) myIsAutomatic = false;
 142
 143   if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent) {
 144     myJustCreatedOrUpdated.clear();
 145     myInitial.clear();
 146   }
 147
 148   myIsExecuted = false;
 149 }
 150
 151 void Model_Update::updateInDoc(std::shared_ptr<ModelAPI_Document> theDoc)
 152 {
 153   // all features one by one
 154   int aNbFeatures = theDoc->size(ModelAPI_Feature::group(), true);
 155   for (int aFIndex = 0; aFIndex < aNbFeatures; aFIndex++) {
 156     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(
 157         theDoc->object(ModelAPI_Feature::group(), aFIndex, true));
 158     if (aFeature)
 159       updateFeature(aFeature);
 160   }
 161   // all sub-documents one by one
 162   std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(theDoc);
 163   if (aDoc) {
 164     const std::set<std::string> aSubs = aDoc->subDocuments(true);
 165     for(std::set<std::string>::iterator aSub = aSubs.begin(); aSub != aSubs.end(); aSub++) {
 166       DocumentPtr aSubDoc = theDoc->subDocument(*aSub);
 167       if (aSubDoc) {
 168         updateInDoc(aSubDoc);
 169       }
 170     }
 171   }
 172 }
 173
 174 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 175 {
 176   // make updated and redisplay all results
 177   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 178   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 179   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 180   for (; aRIter != aResults.cend(); aRIter++) {
 181     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 182     aRes->data()->execState(theState);
 183     myUpdated[aRes] = true;
 184     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 185   }
 186   // to redisplay "presentable" feature (for ex. distance constraint)
 187   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 188   theFeature->data()->execState(theState);
 189 }
 190
 191 /// Updates the state by the referenced object: if something bad with it, set state for this one
 192 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 193 {
 194   if (theTarget) {
 195     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 196     if (aRefState == ModelAPI_StateMustBeUpdated) {
 197       return ModelAPI_StateMustBeUpdated;
 198     } else if (aRefState != ModelAPI_StateDone) {
 199       return ModelAPI_StateInvalidArgument;
 200     }
 201   }
 202   return theCurrent;
 203 }
 204
 205 bool Model_Update::updateFeature(FeaturePtr theFeature)
 206 {
 207   // check it is already processed
 208   if (myUpdated.find(theFeature) != myUpdated.end())
 209     return myUpdated[theFeature];
 210   // check all features this feature depended on (recursive call of updateFeature)
 211   ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 212   bool aMustbeUpdated = myInitial.find(theFeature) != myInitial.end();
 213   if (theFeature) {  // only real feature contains references to other objects
 214     if (theFeature->data()->execState() != ModelAPI_StateDone)
 215       aMustbeUpdated = true;
 216
 217     // composite feature must be executed after sub-features execution
 218     CompositeFeaturePtr aComposite =
 219       std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 220     if (aComposite) {
 221       int aSubsNum = aComposite->numberOfSubs();
 222       for(int a = 0; a < aSubsNum; a++) {
 223         if (updateFeature(aComposite->subFeature(a)))
 224           aMustbeUpdated = true;
 225       }
 226     }
 227     ModelAPI_ExecState aState = ModelAPI_StateDone;
 228     // check all references: if referenced objects are updated, this object also must be updated
 229     // also check state of referenced objects: if they are not ready, inherit corresponding state
 230     std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 231     std::shared_ptr<Model_Data> aData =
 232       std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 233     aData->referencesToObjects(aRefs);
 234     std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefs.begin();
 235     for(; aRef != aRefs.end(); aRef++) {
 236       std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 237       for(; aRefObj != aRef->second.end(); aRefObj++) {
 238         if (updateObject(*aRefObj)) {
 239           aMustbeUpdated = true;
 240         }
 241         aState = stateByReference(*aRefObj, aState);
 242       }
 243     }
 244
 245     //std::cout<<"Update feature "<<theFeature->getKind()<<" must be updated = "<<aMustbeUpdated<<std::endl;
 246     // execute feature if it must be updated
 247     if (aMustbeUpdated) {
 248       if (std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures() ||
 249           !theFeature->isPersistentResult()) {
 250         if (aFactory->validate(theFeature)) {
 251           if (myIsAutomatic ||
 252               (myJustCreatedOrUpdated.find(theFeature) != myJustCreatedOrUpdated.end()) ||
 253               !theFeature->isPersistentResult() /* execute quick, not persistent results */)
 254           {
 255             if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 256               //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 257               // before execution update the selection attributes if any
 258               list<AttributePtr> aRefs =
 259                 theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 260               list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 261               for (; aRefsIter != aRefs.end(); aRefsIter++) {
 262                 std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 263                   std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 264                 if (!aSel->update()) { // this must be done on execution since it may be long operation
 265                   if (!aFactory->isNotObligatory(theFeature->getKind(), theFeature->data()->id(aSel)))
 266                     aState = ModelAPI_StateInvalidArgument;
 267                 }
 268               }
 269               aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 270               for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 271                 std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 272                   std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 273                 for(int a = aSel->size() - 1; a >= 0; a--) {
 274                   std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 275                     std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 276                   if (aSelAttr) {
 277                     if (!aSelAttr->update()) {
 278                       if (!aFactory->isNotObligatory(
 279                           theFeature->getKind(), theFeature->data()->id(aSel)))
 280                         aState = ModelAPI_StateInvalidArgument;
 281                     }
 282                   }
 283                 }
 284               }
 285               // for sketch after update of plane (by update of selection attribute)
 286               // but before execute, all sub-elements also must be updated (due to the plane changes)
 287               if (aComposite) {
 288                 int aSubsNum = aComposite->numberOfSubs();
 289                 for(int a = 0; a < aSubsNum; a++) {
 290                   FeaturePtr aSub = aComposite->subFeature(a);
 291                   bool aWasModified = myUpdated[aSub];
 292                   myUpdated.erase(myUpdated.find(aSub)); // erase to update for sure (plane may be changed)
 293                   myInitial.insert(aSub);
 294                   updateFeature(aSub);
 295                   myUpdated[aSub] = aWasModified; // restore value
 296                 }
 297                 // re-execute after update: solver may update the previous values, so, shapes must be
 298                 // updated
 299                 for(int a = 0; a < aSubsNum; a++) {
 300                   if (aComposite->subFeature(a) && aFactory->validate(aComposite->subFeature(a)))
 301                     aComposite->subFeature(a)->execute();
 302                 }
 303               }
 304             }
 305
 306             // execute in try-catch to avoid internal problems of the feature
 307             if (aState == ModelAPI_StateDone) {
 308               theFeature->data()->execState(ModelAPI_StateDone);
 309               try {
 310                 theFeature->execute();
 311                 if (theFeature->data()->execState() != ModelAPI_StateDone) {
 312                   aState = ModelAPI_StateExecFailed;
 313                 }
 314               } catch(...) {
 315                 aState = ModelAPI_StateExecFailed;
 316                 Events_Error::send(
 317                   "Feature " + theFeature->getKind() + " has failed during the execution");
 318               }
 319             }
 320             if (aState != ModelAPI_StateDone) {
 321               theFeature->eraseResults();
 322             }
 323             redisplayWithResults(theFeature, aState);
 324           } else { // must be updatet, but not updated yet
 325             theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 326             const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 327             std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 328             for (; aRIter != aResults.cend(); aRIter++) {
 329               std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 330               aRes->data()->execState(ModelAPI_StateMustBeUpdated);
 331             }
 332           }
 333         } else {
 334           theFeature->eraseResults();
 335           redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 336         }
 337       } else { // for automatically updated features (on abort, etc) it is necessary to redisplay anyway
 338         redisplayWithResults(theFeature, ModelAPI_StateNothing);
 339       }
 340     } else {
 341       // returns also true is results were updated: for sketch that
 342       // refers to sub-features but results of sub-features were changed
 343       const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 344       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 345       for (; aRIter != aResults.cend(); aRIter++) {
 346         if (myInitial.find(*aRIter) != myInitial.end()) {
 347           aMustbeUpdated = true;
 348           break;
 349         }
 350       }
 351     }
 352   }
 353   myUpdated[theFeature] = aMustbeUpdated;
 354   return aMustbeUpdated;
 355 }
 356
 357 bool Model_Update::updateObject(std::shared_ptr<ModelAPI_Object> theObject, const bool theCyclic)
 358 {
 359   if (myUpdated.find(theObject) != myUpdated.end())
 360     return myUpdated[theObject];  // already processed
 361
 362   /*
 363   if (theCyclic) { // algorithm for update of all features by dependencies tree
 364     if (!theObject)
 365       return false;
 366     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 367     if (aFeature) {  // for feature just call update Feature
 368       return updateFeature(aFeature);
 369     }
 370     // check general object, possible just a result
 371     if (myUpdated.find(theObject) != myUpdated.end())
 372       return myUpdated[theObject];  // already processed
 373     // check the feature of this object must be executed
 374     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 375     if (aResult) {
 376       FeaturePtr aResFeature = aResult->document()->feature(aResult);
 377       if (aResFeature) {
 378         return updateFeature(aResFeature);
 379       }
 380     }
 381   }
 382   */
 383   return myInitial.find(theObject) != myInitial.end();
 384 }