Document and enforce that ExtendedAttributes are not instantiable

ExtendedAttributes are read-only properties of Places and so
cannot be created or reassigned, but they can be modified.
Explictly mention this in the documentation and register
ExtendedAttributes as an uncreatable type.

Change-Id: Ib48d4365a5232e7a11518720e2f04b039f92d40d
Reviewed-by: Aaron McCarthy <aaron.mccarthy@nokia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/imports/location/location.cpp b/src/imports/location/location.cpp
index af93204a..8c510200 100644
--- a/src/imports/location/location.cpp
+++ b/src/imports/location/location.cpp
@@ -182,6 +182,9 @@ public:
             qmlRegisterType<QDeclarativeSearchResultModel>(uri, 5, 0, "PlaceSearchModel");
             qmlRegisterType<QDeclarativeSearchSuggestionModel>(uri, 5, 0, "PlaceSearchSuggestionModel");
             qmlRegisterType<QDeclarativePlaceAttribute>(uri, 5,0, "PlaceAttribute");
+            qmlRegisterUncreatableType<QQmlPropertyMap>(uri, 5, 0, "ExtendedAttributes", "ExtendedAttributes instances cannot be instantiated.  "
+                                                                   "Only Place types have ExtendedAttributes and they cannot be re-assigned "
+                                                                   "(but can be modified).");
             qmlRegisterType<QDeclarativeContactDetail>(uri, 5, 0, "ContactDetail");
 
             qRegisterMetaType<QGeoCoordinate>("QGeoCoordinate");