#include "Model_Application.h"
#include "Model_Events.h"
#include "Model_Data.h"
+#include "Model_Objects.h"
#include <ModelAPI_Feature.h>
#include <ModelAPI_Session.h>
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());
ObjectPtr Model_AttributeReference::value()
{
- if (myIsInitialized) {
+ if (isInitialized()) {
Handle(TDataStd_Comment) aDocID;
if (myRef->Label().FindAttribute(TDataStd_Comment::GetID(), aDocID)) { // external ref
DocumentPtr aRefDoc =
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);
+ TDF_Tool::Label(aDR->objects()->featuresLabel().Data(), anEntry->Get().ToCString(), aRefLab);
if (!aRefLab.IsNull()) {
- return aDR->object(aRefLab);
+ return aDR->objects()->object(aRefLab);
}
}
}
if (aDoc) {
TDF_Label aRefLab = myRef->Get();
if (!aRefLab.IsNull()) { // it may happen with old document, issue #285
- return aDoc->object(aRefLab);
+ return aDoc->objects()->object(aRefLab);
}
}
}
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;