- boost::shared_ptr<Model_Document> aDoc = boost::dynamic_pointer_cast<Model_Document>(
- owner()->document());
- if (aDoc) {
- TDF_Label aRefLab = myRef->Get();
- return aDoc->object(aRefLab);
+ Handle(TDataStd_Comment) aDocID;
+ if (myRef->Label().FindAttribute(TDataStd_Comment::GetID(), aDocID)) { // external ref
+ DocumentPtr aRefDoc =
+ ModelAPI_Session::get()->document(TCollection_AsciiString(aDocID->Get()).ToCString());
+ if (aRefDoc) {
+ Handle(TDataStd_AsciiString) anEntry;
+ if (myRef->Label().FindAttribute(TDataStd_AsciiString::GetID(), anEntry)) {
+ std::shared_ptr<Model_Document> aDR = std::dynamic_pointer_cast<Model_Document>(aRefDoc);
+ TDF_Label aRefLab;
+ TDF_Tool::Label(aDR->featuresLabel().Data(), anEntry->Get().ToCString(), aRefLab);
+ if (!aRefLab.IsNull()) {
+ return aDR->object(aRefLab);
+ }
+ }
+ }
+ } else { // internal ref
+ std::shared_ptr<Model_Document> aDoc = std::dynamic_pointer_cast<Model_Document>(
+ owner()->document());
+ if (aDoc) {
+ TDF_Label aRefLab = myRef->Get();
+ if (!aRefLab.IsNull()) { // it may happen with old document, issue #285
+ return aDoc->object(aRefLab);
+ }
+ }