+
+FiltersFeaturePtr Model_AttributeSelectionList::filters() const
+{
+ Handle(TDataStd_ReferenceList) aRef;
+ if (myLab.FindAttribute(kSELECTION_FILTERS_REF, aRef) && !aRef->IsEmpty()) {
+ if (owner().get()) {
+ std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
+ owner()->document());
+ if (aDoc) {
+ const TDF_Label& aRefLab = aRef->First();
+ if (!aRefLab.IsNull()) { // it may happen with old document, issue #285
+ ObjectPtr anObj = aDoc->objects()->object(aRefLab);
+ FiltersFeaturePtr aFeat = std::dynamic_pointer_cast<ModelAPI_FiltersFeature>(anObj);
+ if (aFeat.get()) {
+ aFeat->setAttribute(owner()->data()->attribute(id()));
+ return aFeat;
+ }
+ }
+ }
+ }
+ }
+ return FiltersFeaturePtr(); // null pointer if nothing is defined
+}
+
+void Model_AttributeSelectionList::setFilters(FiltersFeaturePtr theFeature)
+{
+ Handle(TDataStd_ReferenceList) aRef = TDataStd_ReferenceList::Set(myLab, kSELECTION_FILTERS_REF);
+ if (theFeature.get()) {
+ std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
+ if (aData->isValid()) {
+ TDF_Label anObjLab = aData->label().Father(); // object label
+ if (!aRef->IsEmpty())
+ aRef->Clear();
+ aRef->Append(anObjLab);
+ theFeature->setAttribute(owner()->data()->attribute(id()));
+ return;
+ }
+ }
+ // remove attribute if something is wrong
+ myLab.ForgetAttribute(TDataStd_ReferenceList::GetID());
+}