+void Model_Objects::eraseAllFeatures()
+{
+ static Events_ID kDispEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+ static const ModelAPI_EventCreator* kCreator = ModelAPI_EventCreator::get();
+ // make all features invalid (like deleted)
+ NCollection_DataMap<TDF_Label, FeaturePtr>::Iterator aFIter(myFeatures);
+ for(; aFIter.More(); aFIter.Next()) {
+ FeaturePtr aFeature = aFIter.Value();
+ std::list<ResultPtr> aResList;
+ ModelAPI_Tools::allResults(aFeature, aResList);
+ std::list<ResultPtr>::iterator aRIter = aResList.begin();
+ for(; aRIter != aResList.end(); aRIter++) {
+ ResultPtr aRes = *aRIter;
+ if (aRes && aRes->data()->isValid()) {
+ kCreator->sendDeleted(myDoc, aRes->groupName());
+ kCreator->sendUpdated(aRes, kDispEvent);
+ aRes->setData(aRes->data()->invalidPtr());
+
+ }
+ }
+ kCreator->sendUpdated(aFeature, kDispEvent);
+ aFeature->setData(aFeature->data()->invalidPtr());
+ }
+ kCreator->sendDeleted(myDoc, ModelAPI_Feature::group());
+ myFeatures.Clear(); // just remove features without modification of DS
+ updateHistory(ModelAPI_Feature::group());
+}
+