+
+bool Model_Session::isAutoUpdateBlocked()
+{
+ Handle(Model_Application) anApp = Model_Application::getApplication();
+ if (!anApp->hasRoot()) // when document is not yet created, do not create it by such simple call
+ return false;
+ return !ROOT_DOC->autoRecomutationState();
+}
+
+void Model_Session::blockAutoUpdate(const bool theBlock)
+{
+ bool aCurrentState = isAutoUpdateBlocked();
+ if (aCurrentState != theBlock) {
+ // if there is no operation, start it to avoid modifications outside of transaction
+ bool isOperation = this->isOperation();
+ if (!isOperation)
+ startOperation("Auto update");
+ ROOT_DOC->setAutoRecomutationState(!theBlock);
+ static Events_Loop* aLoop = Events_Loop::loop();
+ if (theBlock) {
+ static const Events_ID kAutoOff = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_DISABLE);
+ std::shared_ptr<Events_Message> aMsg(new Events_Message(kAutoOff));
+ aLoop->send(aMsg);
+ } else {
+ // if there is no operation, start it to avoid modifications outside of transaction
+ isOperation = this->isOperation();
+ if (!isOperation)
+ startOperation("Auto update enabling");
+ static const Events_ID kAutoOn = aLoop->eventByName(EVENT_AUTOMATIC_RECOMPUTATION_ENABLE);
+ std::shared_ptr<Events_Message> aMsg(new Events_Message(kAutoOn));
+ aLoop->send(aMsg);
+ }
+ if (!isOperation) {
+ finishOperation();
+ // append this transaction to the previous one: don't need this separated operation in list
+ ROOT_DOC->appendTransactionToPrevious();
+ }
+ }
+}
+
+#ifdef TINSPECTOR
+Handle(TDocStd_Application) Model_Session::application()
+{
+ return Model_Application::getApplication();
+}
+#endif