bool isOldShape = isOldContext &&
(theSubShape == anOldShape || (theSubShape && anOldShape && theSubShape->isEqual(anOldShape)));
if (isOldShape) return false; // shape is the same, so context is also unchanged
+ bool aToUnblock = false;
// update the referenced object if needed
if (!isOldContext) {
- myRef.setValue(theContext);
+ aToUnblock = !owner()->data()->blockSendAttributeUpdated(true);
+ myRef.setValue(theContext);
}
// do noth use naming if selected shape is result shape itself, but not sub-shape
TDF_Label aRefLab = myRef.myRef->Label();
aSelLab.ForgetAllAttributes(true);
myRef.myRef = TDF_Reference::Set(aSelLab.Father(), aSelLab.Father());
+ if (aToUnblock)
+ owner()->data()->blockSendAttributeUpdated(false);
return false;
}
if (theContext->groupName() == ModelAPI_ResultBody::group()) {
}
owner()->data()->sendAttributeUpdated(this);
+
+ if (aToUnblock)
+ owner()->data()->blockSendAttributeUpdated(false);
+
return true;
}
std::shared_ptr<GeomAPI_Shape> Model_AttributeSelection::value()
{
+ if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
+ return std::shared_ptr<GeomAPI_Shape>();
CenterType aType = NOT_CENTER;
std::shared_ptr<GeomAPI_Shape> aResult = internalValue(aType);
return centerByEdge(aResult, aType);
ModelAPI_AttributeSelection::setID(theID);
}
-ResultPtr Model_AttributeSelection::context() {
+ResultPtr Model_AttributeSelection::context()
+{
+ if (!ModelAPI_AttributeSelection::isInitialized() && !myTmpContext.get() && !myTmpSubShape.get())
+ return ResultPtr();
+
if (myTmpContext.get() || myTmpSubShape.get()) {
return myTmpContext;
}