1 // Copyright (C) 2014-2022 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include <Model_Session.h>
21 #include <ModelAPI_Feature.h>
22 #include <ModelAPI_Plugin.h>
23 #include <Model_Data.h>
24 #include <Model_Objects.h>
25 #include <Model_Application.h>
26 #include <Model_Events.h>
27 #include <Model_Validator.h>
28 #include <Model_FiltersFactory.h>
29 #include <ModelAPI_Events.h>
30 #include <Events_Loop.h>
31 #include <Events_InfoMessage.h>
32 #include <Config_FeatureMessage.h>
33 #include <Config_AttributeMessage.h>
34 #include <Config_ValidatorMessage.h>
35 #include <Config_ModuleReader.h>
36 #include <Config_ValidatorReader.h>
37 #include <Config_PluginMessage.h>
39 #include <ModelAPI_CompositeFeature.h>
40 #include <ModelAPI_ResultPart.h>
41 #include <ModelAPI_Tools.h>
43 #include <TDF_ChildIDIterator.hxx>
44 #include <TDF_CopyTool.hxx>
45 #include <TDF_DataSet.hxx>
46 #include <TDF_RelocationTable.hxx>
47 #include <TDF_ClosureTool.hxx>
49 #include <TNaming_Builder.hxx>
50 #include <TNaming_Iterator.hxx>
51 #include <TNaming_NamedShape.hxx>
53 #include <TopoDS_Shape.hxx>
55 static Model_Session* myImpl = new Model_Session();
57 // to redirect all calls to the root document
58 #define ROOT_DOC std::dynamic_pointer_cast<Model_Document>(moduleDocument())
60 bool Model_Session::load(const char* theFileName)
62 bool aRes = ROOT_DOC->load(theFileName, "root", ROOT_DOC);
66 bool Model_Session::save(const char* theFileName, std::list<std::string>& theResults)
68 return ROOT_DOC->save(theFileName, "root", theResults);
71 void Model_Session::closeAll()
73 Model_Application::getApplication()->deleteAllDocuments();
74 static const Events_ID aDocChangeEvent = Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED);
76 static std::shared_ptr<Events_Message> aMsg(new Events_Message(aDocChangeEvent));
77 Events_Loop::loop()->send(aMsg);
78 Events_Loop::loop()->flush(aDocChangeEvent);
81 void Model_Session::startOperation(const std::string& theId, const bool theAttachedToNested)
83 myOperationAttachedToNext.push_back(theAttachedToNested);
84 ROOT_DOC->startOperation();
85 ROOT_DOC->operationId(theId);
86 static std::shared_ptr<Events_Message> aStartedMsg
87 (new Events_Message(Events_Loop::eventByName("StartOperation")));
88 Events_Loop::loop()->send(aStartedMsg);
89 // remove all useless documents that has been closed: on start of operation undo/redo is cleared
90 // MPV: this code is dangerous now because it may close the document that is activated right now
91 // but not in the list of the opened documents yet (create, delete, undo, activate Part)
92 // later this must be updated by correct usage of uniques IDs of documents, not names of results
93 //std::list<std::shared_ptr<ModelAPI_Document> > aUsedDocs = allOpenedDocuments();
94 //Model_Application::getApplication()->removeUselessDocuments(aUsedDocs);
97 void Model_Session::finishOperation()
99 setCheckTransactions(false);
100 ROOT_DOC->finishOperation();
101 if (!myOperationAttachedToNext.empty()) {
102 while (myOperationAttachedToNext.back()) {
103 // with nested, the first transaction can not be attached
104 ROOT_DOC->finishOperation();
105 myOperationAttachedToNext.pop_back();
107 myOperationAttachedToNext.pop_back();
109 setCheckTransactions(true);
112 void Model_Session::abortOperation()
114 setCheckTransactions(false);
115 ROOT_DOC->abortOperation();
116 if (!myOperationAttachedToNext.empty()) {
117 while (myOperationAttachedToNext.back()) {
118 // with nested, the first transaction can not be attached
119 ROOT_DOC->abortOperation();
120 myOperationAttachedToNext.pop_back();
122 myOperationAttachedToNext.pop_back();
124 setCheckTransactions(true);
125 // here the update mechanism may work after abort, so, suppress the warnings about
126 // modifications outside of the transactions
127 bool aWasCheck = myCheckTransactions;
128 myCheckTransactions = false;
129 static std::shared_ptr<Events_Message> anAbortMsg
130 (new Events_Message(Events_Loop::eventByName("AbortOperation")));
131 Events_Loop::loop()->send(anAbortMsg);
132 myCheckTransactions = true;
133 myCheckTransactions = aWasCheck;
136 bool Model_Session::isOperation()
138 return ROOT_DOC->isOperation();
141 bool Model_Session::isModified()
143 return ROOT_DOC->isModified();
146 bool Model_Session::canUndo()
148 return ROOT_DOC->canUndo();
151 void Model_Session::undo()
153 setCheckTransactions(false);
155 setCheckTransactions(true);
158 bool Model_Session::canRedo()
160 return ROOT_DOC->canRedo();
163 void Model_Session::redo()
165 setCheckTransactions(false);
167 setCheckTransactions(true);
170 //! Returns stack of performed operations
171 std::list<std::string> Model_Session::undoList()
173 return ROOT_DOC->undoList();
175 //! Returns stack of rolled back operations
176 std::list<std::string> Model_Session::redoList()
178 return ROOT_DOC->redoList();
181 bool Model_Session::checkLicense(const std::string& thePluginName)
183 return getPlugin(thePluginName);
186 ModelAPI_Plugin* Model_Session::getPlugin(const std::string& thePluginName)
188 if (myPluginObjs.find(thePluginName) == myPluginObjs.end()) {
189 // before load the used plugins
190 if (myUsePlugins.find(thePluginName) != myUsePlugins.end()) {
191 std::string aUse = myUsePlugins[thePluginName];
192 std::stringstream aUseStream(aUse);
193 std::string aPluginName;
194 while (std::getline(aUseStream, aPluginName, ',')) {
195 if (myPluginObjs.find(aPluginName) == myPluginObjs.end())
196 getPlugin(aPluginName);
199 // load plugin library if not yet done
200 Config_ModuleReader::loadPlugin(thePluginName);
202 if (myPluginObjs.find(thePluginName) == myPluginObjs.end()) {
203 Events_InfoMessage("Model_Session", "Can not load plugin '%1'").arg(thePluginName).send();
206 return myPluginObjs[thePluginName];
209 FeaturePtr Model_Session::createFeature(std::string theFeatureID, Model_Document* theDocOwner)
211 if (this != myImpl) {
212 return myImpl->createFeature(theFeatureID, theDocOwner);
215 // load all information about plugins, features and attributes
218 if (myPlugins.find(theFeatureID) != myPlugins.end()) {
219 std::pair<std::string, std::string>& aPlugin = myPlugins[theFeatureID]; // plugin and doc kind
220 if (!aPlugin.second.empty() && aPlugin.second != theDocOwner->kind()) {
221 Events_InfoMessage("Model_Session",
222 "Feature '%1' can be created only in document '%2' by the XML definition")
223 .arg(theFeatureID).arg(aPlugin.second).send();
226 ModelAPI_Plugin* aPluginObj = getPlugin(aPlugin.first);
228 FeaturePtr aCreated = aPluginObj->createFeature(theFeatureID);
230 Events_InfoMessage("Model_Session", "Can not initialize feature '%1' in plugin '%2'")
231 .arg(theFeatureID).arg(aPlugin.first).send();
235 Events_InfoMessage("Model_Session", "Can not load plugin '%1'").arg(aPlugin.first).send();
238 Events_InfoMessage("Model_Session",
239 "Feature '%1' not found in any plugin").arg(theFeatureID).send();
242 return FeaturePtr(); // return nothing
245 std::shared_ptr<ModelAPI_Document> Model_Session::moduleDocument()
247 Handle(Model_Application) anApp = Model_Application::getApplication();
248 bool aFirstCall = !anApp->hasRoot();
250 // to be sure that plugins are loaded,
251 // even before the first "createFeature" call (in unit tests)
254 // creation of the root document is always outside of the transaction, so, avoid checking it
255 setCheckTransactions(false);
256 anApp->createDocument(0); // 0 is a root ID
257 // creation of the root document is always outside of the transaction, so, avoid checking it
258 setCheckTransactions(true);
259 if (!myCurrentDoc || !Model_Application::getApplication()->hasDocument(myCurrentDoc->id())) {
260 myCurrentDoc = moduleDocument();
261 static std::shared_ptr<Events_Message> aMsg(
262 new Events_Message(Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED)));
263 Events_Loop::loop()->send(aMsg);
266 return anApp->rootDocument();
269 std::shared_ptr<ModelAPI_Document> Model_Session::document(int theDocID)
271 return std::shared_ptr<ModelAPI_Document>(
272 Model_Application::getApplication()->document(theDocID));
275 bool Model_Session::hasModuleDocument()
277 return Model_Application::getApplication()->hasRoot();
280 std::shared_ptr<ModelAPI_Document> Model_Session::activeDocument()
282 if (!myCurrentDoc || !Model_Application::getApplication()->hasDocument(myCurrentDoc->id())) {
283 return moduleDocument();
288 /// makes the last feature in the document as the current
289 static void makeCurrentLast(std::shared_ptr<ModelAPI_Document> theDoc) {
291 FeaturePtr aLast = std::dynamic_pointer_cast<Model_Document>(theDoc)->lastFeature();
292 // if last is nested into something else, make this something else as last:
293 // otherwise it will look like edition of sub-element, so, the main will be disabled
295 CompositeFeaturePtr aMain = ModelAPI_Tools::compositeOwner(aLast);
298 aMain = ModelAPI_Tools::compositeOwner(aLast);
301 theDoc->setCurrentFeature(aLast, false);
305 void Model_Session::setActiveDocument(
306 std::shared_ptr<ModelAPI_Document> theDoc, bool theSendSignal)
308 if (myCurrentDoc != theDoc) {
309 if (myCurrentDoc.get())
310 myCurrentDoc->setActive(false);
312 theDoc->setActive(true);
314 std::shared_ptr<ModelAPI_Document> aPrevious = myCurrentDoc;
315 myCurrentDoc = theDoc;
316 if (theDoc.get() && theSendSignal) {
317 // this must be before the synchronization call because features in PartSet lower than this
318 // part feature must be disabled and don't recomputed anymore (issue 1156,
319 // translation feature is failed on activation of Part 2)
320 if (isOperation()) { // do it only in transaction, not on opening of document
321 DocumentPtr aRoot = moduleDocument();
322 if (myCurrentDoc != aRoot) {
323 FeaturePtr aPartFeat = ModelAPI_Tools::findPartFeature(aRoot, myCurrentDoc);
324 if (aPartFeat.get()) {
325 aRoot->setCurrentFeature(aPartFeat, false);
329 // synchronize the document: it may be just opened or opened but removed before
330 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(theDoc);
332 bool aWasChecked = myCheckTransactions;
333 setCheckTransactions(false);
334 TDF_LabelList anEmptyUpdated;
335 aDoc->objects()->synchronizeFeatures(anEmptyUpdated, true, true, false, true);
337 setCheckTransactions(true);
339 static std::shared_ptr<Events_Message> aMsg(
340 new Events_Message(Events_Loop::eventByName(EVENT_DOCUMENT_CHANGED)));
341 Events_Loop::loop()->send(aMsg);
343 // make the current state correct and synchronized in the module and sub-documents
344 if (isOperation()) { // do it only in transaction, not on opening of document
345 if (myCurrentDoc == moduleDocument()) {
346 // make the current feature the latest in root, in previous root current become also last
347 makeCurrentLast(aPrevious);
348 makeCurrentLast(myCurrentDoc);
350 // make the current feature the latest in sub, root current feature becomes this sub
351 makeCurrentLast(myCurrentDoc);
357 std::list<std::shared_ptr<ModelAPI_Document> > Model_Session::allOpenedDocuments()
359 std::list<std::shared_ptr<ModelAPI_Document> > aResult;
360 aResult.push_back(moduleDocument());
361 // add subs recursively
362 std::list<std::shared_ptr<ModelAPI_Document> >::iterator aDocIt = aResult.begin();
363 for(; aDocIt != aResult.end(); aDocIt++) {
364 DocumentPtr anAPIDoc = *aDocIt;
365 std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(anAPIDoc);
367 const std::set<int> aSubs = aDoc->subDocuments();
368 std::set<int>::const_iterator aSubIter = aSubs.cbegin();
369 for(; aSubIter != aSubs.cend(); aSubIter++) {
370 aResult.push_back(Model_Application::getApplication()->document(*aSubIter));
377 bool Model_Session::isLoadByDemand(const std::wstring theDocID, const int theDocIndex)
379 return Model_Application::getApplication()->isLoadByDemand(theDocID, theDocIndex);
382 std::shared_ptr<ModelAPI_Document> Model_Session::copy(
383 std::shared_ptr<ModelAPI_Document> theSource, const int theDestID)
385 std::shared_ptr<Model_Document> aNew = Model_Application::getApplication()->document(theDestID);
386 // make a copy of all labels
387 TDF_Label aSourceRoot = std::dynamic_pointer_cast<Model_Document>(theSource)->document()->Main()
389 TDF_Label aTargetRoot = aNew->document()->Main().Father();
390 Handle(TDF_DataSet) aDS = new TDF_DataSet;
391 aDS->AddLabel(aSourceRoot);
392 TDF_ClosureTool::Closure(aDS);
393 Handle(TDF_RelocationTable) aRT = new TDF_RelocationTable(Standard_True);
394 aRT->SetRelocation(aSourceRoot, aTargetRoot);
395 TDF_CopyTool::Copy(aDS, aRT);
397 // TODO: remove after fix in OCCT.
398 // All named shapes are stored in reversed order, so to fix this we reverse them back.
399 for(TDF_ChildIDIterator aChildIter(aTargetRoot, TNaming_NamedShape::GetID(), true);
402 Handle(TNaming_NamedShape) aNamedShape =
403 Handle(TNaming_NamedShape)::DownCast(aChildIter.Value());
404 if (aNamedShape.IsNull()) {
408 TopoDS_Shape aShape = aNamedShape->Get();
409 if(aShape.IsNull() || aShape.ShapeType() != TopAbs_COMPOUND) {
413 TNaming_Evolution anEvol = aNamedShape->Evolution();
414 std::list<std::pair<TopoDS_Shape, TopoDS_Shape> > aShapePairs; // to store old and new shapes
415 for(TNaming_Iterator anIter(aNamedShape); anIter.More(); anIter.Next()) {
416 aShapePairs.push_back(
417 std::pair<TopoDS_Shape, TopoDS_Shape>(anIter.OldShape(), anIter.NewShape()));
420 // Add in reverse order.
421 TDF_Label aLabel = aNamedShape->Label();
422 TNaming_Builder aBuilder(aLabel);
423 for(std::list<std::pair<TopoDS_Shape, TopoDS_Shape> >::iterator aPairsIter =
425 aPairsIter != aShapePairs.end();
427 if (anEvol == TNaming_GENERATED) {
428 aBuilder.Generated(aPairsIter->first, aPairsIter->second);
429 } else if (anEvol == TNaming_MODIFY) {
430 aBuilder.Modify(aPairsIter->first, aPairsIter->second);
431 } else if (anEvol == TNaming_DELETE) {
432 aBuilder.Delete(aPairsIter->first);
433 } else if (anEvol == TNaming_PRIMITIVE) {
434 aBuilder.Generated(aPairsIter->second);
435 } else if (anEvol == TNaming_SELECTED) {
436 aBuilder.Select(aPairsIter->second, aPairsIter->first);
441 TDF_LabelList anEmptyUpdated;
442 aNew->objects()->synchronizeFeatures(anEmptyUpdated, true, true, true, true);
446 Model_Session::Model_Session()
448 myPluginsInfoLoaded = false;
449 myCheckTransactions = true;
450 ModelAPI_Session::setSession(std::shared_ptr<ModelAPI_Session>(this));
451 // register the configuration reading listener
452 Events_Loop* aLoop = Events_Loop::loop();
453 static const Events_ID kFeatureEvent =
454 Events_Loop::eventByName(Config_FeatureMessage::MODEL_EVENT());
455 aLoop->registerListener(this, kFeatureEvent);
456 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED), 0, true);
457 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED), 0, true);
458 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED), 0, true);
459 aLoop->registerListener(this, Events_Loop::eventByName(EVENT_VALIDATOR_LOADED));
460 aLoop->registerListener(this, Events_Loop::eventByName(Config_PluginMessage::EVENT_ID()));
463 void Model_Session::processEvent(const std::shared_ptr<Events_Message>& theMessage)
465 static const Events_ID kFeatureEvent =
466 Events_Loop::eventByName(Config_FeatureMessage::MODEL_EVENT());
467 static const Events_ID kValidatorEvent = Events_Loop::eventByName(EVENT_VALIDATOR_LOADED);
468 static const Events_ID kPluginEvent = Events_Loop::eventByName(Config_PluginMessage::EVENT_ID());
469 if (theMessage->eventID() == kFeatureEvent) {
470 const std::shared_ptr<Config_FeatureMessage> aMsg =
471 std::dynamic_pointer_cast<Config_FeatureMessage>(theMessage);
474 // process the plugin info, load plugin
475 if (myPlugins.find(aMsg->id()) == myPlugins.end()) {
476 myPlugins[aMsg->id()] = std::pair<std::string, std::string>(
477 aMsg->pluginLibrary(), aMsg->documentKind());
480 const std::shared_ptr<Config_AttributeMessage> aMsgAttr =
481 std::dynamic_pointer_cast<Config_AttributeMessage>(theMessage);
484 if (!aMsgAttr->isObligatory()) {
485 validators()->registerNotObligatory(aMsgAttr->featureId(), aMsgAttr->attributeId());
487 if(aMsgAttr->isConcealment()) {
488 validators()->registerConcealment(aMsgAttr->featureId(), aMsgAttr->attributeId());
490 if(aMsgAttr->isMainArgument()) {
491 validators()->registerMainArgument(aMsgAttr->featureId(), aMsgAttr->attributeId());
493 const std::list<std::pair<std::string, std::string> >& aCases = aMsgAttr->getCases();
494 if (!aCases.empty()) {
495 validators()->registerCase(aMsgAttr->featureId(), aMsgAttr->attributeId(), aCases);
497 if (aMsgAttr->isGeometricalSelection()) {
498 validators()->registerGeometricalSelection(aMsgAttr->featureId(),
499 aMsgAttr->attributeId());
503 // plugins information was started to load, so, it will be loaded
504 myPluginsInfoLoaded = true;
505 } else if (theMessage->eventID() == kValidatorEvent) {
506 std::shared_ptr<Config_ValidatorMessage> aMsg =
507 std::dynamic_pointer_cast<Config_ValidatorMessage>(theMessage);
509 if (aMsg->attributeId().empty()) { // feature validator
510 validators()->assignValidator(aMsg->validatorId(), aMsg->featureId(), aMsg->parameters());
511 } else { // attribute validator
512 validators()->assignValidator(aMsg->validatorId(), aMsg->featureId(), aMsg->attributeId(),
516 } else if (theMessage->eventID() == kPluginEvent) { // plugin is started to load
517 std::shared_ptr<Config_PluginMessage> aMsg =
518 std::dynamic_pointer_cast<Config_PluginMessage>(theMessage);
520 myCurrentPluginName = aMsg->pluginId();
521 if (!aMsg->uses().empty()) {
522 myUsePlugins[myCurrentPluginName] = aMsg->uses();
525 } else { // create/update/delete
526 if (myCheckTransactions && !isOperation()) {
527 // check it is done in real opened document: 2958
528 bool aIsActual = true;
529 static const Events_ID kDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
530 if (theMessage->eventID() == kDeletedEvent) {
532 std::shared_ptr<ModelAPI_ObjectDeletedMessage> aDeleted =
533 std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
534 std::list<std::shared_ptr<ModelAPI_Document> > allOpened =
535 Model_Session::allOpenedDocuments();
536 std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>::const_iterator
537 aGIter = aDeleted->groups().cbegin();
538 for (; !aIsActual && aGIter != aDeleted->groups().cend(); aGIter++) {
539 std::list<std::shared_ptr<ModelAPI_Document> >::iterator anOpened = allOpened.begin();
540 for(; anOpened != allOpened.end(); anOpened++) {
541 if (aGIter->first == *anOpened) {
550 Events_InfoMessage("Model_Session",
551 "Modification of data structure outside of the transaction").send();
553 // if part is deleted, make the root as the current document (on undo of Parts creations)
554 static const Events_ID kDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
555 if (theMessage->eventID() == kDeletedEvent) {
556 std::shared_ptr<ModelAPI_ObjectDeletedMessage> aDeleted =
557 std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
559 std::list<std::pair<std::shared_ptr<ModelAPI_Document>, std::string>>::const_iterator
560 aGIter = aDeleted->groups().cbegin();
561 for (; aGIter != aDeleted->groups().cend(); aGIter++) {
562 if (aGIter->second == ModelAPI_ResultPart::group())
565 if (aGIter != aDeleted->groups().cend())
567 // check that the current feature of the session is still the active Part (even disabled)
569 FeaturePtr aCurrentPart = moduleDocument()->currentFeature(true);
570 if (aCurrentPart.get()) {
571 const std::list<std::shared_ptr<ModelAPI_Result> >& aResList = aCurrentPart->results();
572 std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRes = aResList.begin();
573 for(; !aFound && aRes != aResList.end(); aRes++) {
574 ResultPartPtr aPRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aRes);
575 if (aPRes.get() && aPRes->isActivated() && aPRes->partDoc() == activeDocument()) {
581 if (!aFound) { // if not, the part was removed, so activate the module document
582 if (myCurrentDoc.get())
583 setActiveDocument(moduleDocument());
590 void Model_Session::LoadPluginsInfo()
592 if (myPluginsInfoLoaded) // nothing to do
594 // Read plugins information from XML files
595 Config_ModuleReader aModuleReader(Config_FeatureMessage::MODEL_EVENT());
596 aModuleReader.readAll();
597 std::set<std::string> aFiles = aModuleReader.modulePluginFiles();
598 std::set<std::string>::iterator it = aFiles.begin();
599 for ( ; it != aFiles.end(); it++ ) {
600 Config_ValidatorReader aValidatorReader (*it);
601 aValidatorReader.readAll();
606 void Model_Session::registerPlugin(ModelAPI_Plugin* thePlugin)
608 myPluginObjs[myCurrentPluginName] = thePlugin;
609 static Events_ID EVENT_LOAD = Events_Loop::loop()->eventByName(EVENT_PLUGIN_LOADED);
610 ModelAPI_EventCreator::get()->sendUpdated(ObjectPtr(), EVENT_LOAD, false);
611 // If the plugin has an ability to process GUI events, register it
612 Events_Listener* aListener = dynamic_cast<Events_Listener*>(thePlugin);
614 Events_Loop* aLoop = Events_Loop::loop();
615 static Events_ID aStateRequestEventId =
616 Events_Loop::loop()->eventByName(EVENT_FEATURE_STATE_REQUEST);
617 aLoop->registerListener(aListener, aStateRequestEventId);
621 ModelAPI_ValidatorsFactory* Model_Session::validators()
623 static Model_ValidatorsFactory* aFactory = new Model_ValidatorsFactory;
627 ModelAPI_FiltersFactory* Model_Session::filters()
629 static Model_FiltersFactory* aFactory = new Model_FiltersFactory;
633 int Model_Session::transactionID()
635 return ROOT_DOC->transactionID();
638 bool Model_Session::isAutoUpdateBlocked()
640 Handle(Model_Application) anApp = Model_Application::getApplication();
641 if (!anApp->hasRoot()) // when document is not yet created, do not create it by such simple call
643 return !ROOT_DOC->autoRecomutationState();
646 void Model_Session::blockAutoUpdate(const bool theBlock)
648 bool aCurrentState = isAutoUpdateBlocked();
649 if (aCurrentState != theBlock) {
650 // if there is no operation, start it to avoid modifications outside of transaction
651 bool isOperation = this->isOperation();
653 startOperation("Auto update");
654 ROOT_DOC->setAutoRecomutationState(!theBlock);
655 static Events_Loop* aLoop = Events_Loop::loop();
657 static const Events_ID kAutoOff = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_DISABLE);
658 std::shared_ptr<Events_Message> aMsg(new Events_Message(kAutoOff));
661 // if there is no operation, start it to avoid modifications outside of transaction
662 isOperation = this->isOperation();
664 startOperation("Auto update enabling");
665 static const Events_ID kAutoOn = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_ENABLE);
666 std::shared_ptr<Events_Message> aMsg(new Events_Message(kAutoOn));
671 // append this transaction to the previous one: don't need this separated operation in list
672 ROOT_DOC->appendTransactionToPrevious();
678 Handle(TDocStd_Application) Model_Session::application()
680 return Model_Application::getApplication();