def contentIsTracked(context):
""" Check the whole tree until we hit INavigationRoot. When we find
content that is tracked, return it. """
while hasattr(context, 'aq_parent') and not INavigationRoot.providedBy(context):
if IContentIsTracked.providedBy(context):
return context
context = context.aq_parent
return None
def isdirectlytracked(self):
""" Returns True if our context is directly tracked. """
context = aq_inner(self.context)
return IContentIsTracked.providedBy(context)