void Model_AttributeReference::setValue(ObjectPtr theObject)
{
- if(!theObject)
- return;
+ // now allow to deselect in this attribute: extrusion from/to
+ //if(!theObject)
+ // return;
ObjectPtr aValue = value();
if (!myIsInitialized || aValue != theObject) {
REMOVE_BACK_REF(aValue);
- std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
- theObject->data());
- TDF_Label anObjLab = aData->label().Father(); // object label
-
- if (owner()->document() == theObject->document()) { // same document, use reference attribute
+ TDF_Label anObjLab;
+ if (theObject.get() && theObject->data()->isValid()) {
+ std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
+ theObject->data());
+ anObjLab = aData->label().Father(); // object label
+ }
+ // same document, use reference attribute
+ if (anObjLab.IsNull() || owner()->document() == theObject->document()) {
- std::shared_ptr<Model_Document> aDoc =
- std::dynamic_pointer_cast<Model_Document>(owner()->document());
- myRef->Set(anObjLab); // references to the object label
+ if (anObjLab.IsNull()) {
+ myRef->Set(myRef->Label());
+ } else {
+ myRef->Set(anObjLab); // references to the object label
+ }
// remove external link attributes (if any)
myRef->Label().ForgetAttribute(TDataStd_Comment::GetID());
myRef->Label().ForgetAttribute(TDataStd_AsciiString::GetID());
} else { // different document: store the document name (comment) and entry (string): external
// if these attributes exist, the link is external: keep reference to access the label
- TDataStd_Comment::Set(myRef->Label(), theObject->document()->id().c_str());
+ std::ostringstream anIdString; // string with document Id
+ anIdString<<theObject->document()->id();
+ TDataStd_Comment::Set(myRef->Label(), anIdString.str().c_str());
TCollection_AsciiString anEntry;
TDF_Tool::Entry(anObjLab, anEntry);
TDataStd_AsciiString::Set(myRef->Label(), anEntry);
ObjectPtr Model_AttributeReference::value()
{
- if (myIsInitialized) {
+ if (isInitialized()) {
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) {
+ int anID = atoi(TCollection_AsciiString(aDocID->Get()).ToCString());
+ DocumentPtr aRefDoc = Model_Application::getApplication()->document(anID);
+ if (aRefDoc.get()) {
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);
return FeaturePtr();
}
+bool Model_AttributeReference::isInitialized()
+{
+ if (myRef->Label() == myRef->Get() && !myRef->Label().IsAttribute(TDataStd_Comment::GetID())) {
+ // empty reference is not initialized
+ return false;
+ }
+ return ModelAPI_AttributeReference::isInitialized();
+}
+
Model_AttributeReference::Model_AttributeReference(TDF_Label& theLabel)
{
myIsInitialized = theLabel.FindAttribute(TDF_Reference::GetID(), myRef) == Standard_True;