X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/943e8bc4af0c11b0ace3811199e3b0844c4c3fbc..eeb8a55da97f1b778b78324190f502c4cf7da77c:/philo/contrib/shipherd/templatetags/shipherd.py diff --git a/philo/contrib/shipherd/templatetags/shipherd.py b/philo/contrib/shipherd/templatetags/shipherd.py index c8ba4fd..4fae9c4 100644 --- a/philo/contrib/shipherd/templatetags/shipherd.py +++ b/philo/contrib/shipherd/templatetags/shipherd.py @@ -101,12 +101,13 @@ class RecurseNavigationNode(template.Node): @register.tag def recursenavigation(parser, token): """ - The recursenavigation templatetag takes two arguments: - - the node for which the navigation should be found - - the navigation's key. + The :ttag:`recursenavigation` templatetag takes two arguments: - It will then recursively loop over each item in the navigation and render the template - chunk within the block. recursenavigation sets the following variables in the context: + * the :class:`.Node` for which the :class:`.Navigation` should be found + * the :class:`.Navigation`'s :attr:`~.Navigation.key`. + + It will then recursively loop over each :class:`.NavigationItem` in the :class:`.Navigation` and render the template + chunk within the block. :ttag:`recursenavigation` sets the following variables in the context: ============================== ================================================ Variable Description @@ -118,26 +119,32 @@ def recursenavigation(parser, token): ``navloop.first`` True if this is the first time through the current level ``navloop.last`` True if this is the last time through the current level ``navloop.parentloop`` This is the loop one level "above" the current one - ============================== ================================================ - ``item`` The current item in the loop (a NavigationItem instance) + + ``item`` The current item in the loop (a :class:`.NavigationItem` instance) ``children`` If accessed, performs the next level of recursion. ``navloop.active`` True if the item is active for this request ``navloop.active_descendants`` True if the item has active descendants for this request ============================== ================================================ - Example: + Example:: + + + .. note:: {% recursenavigation %} requires that the current :class:`HttpRequest` be present in the context as ``request``. The simplest way to do this is with the `request context processor`_. Simply make sure that ``django.core.context_processors.request`` is included in your :setting:`TEMPLATE_CONTEXT_PROCESSORS` setting. + + .. _request context processor: https://docs.djangoproject.com/en/dev/ref/templates/api/#django-core-context-processors-request + """ bits = token.contents.split() if len(bits) != 3: @@ -153,21 +160,17 @@ def recursenavigation(parser, token): @register.filter def has_navigation(node, key=None): + """Returns ``True`` if the node has a :class:`.Navigation` with the given key and ``False`` otherwise. If ``key`` is ``None``, returns whether the node has any :class:`.Navigation`\ s at all.""" try: - nav = node.navigation - if key is not None: - if key in nav and bool(node.navigation[key]): - return True - elif key not in node.navigation: - return False - return bool(node.navigation) + return bool(node.navigation[key]) except: return False @register.filter def navigation_host(node, key): + """Returns the :class:`.Node` which hosts the :class:`.Navigation` which ``node`` has inherited for ``key``. Returns ``node`` if any exceptions are encountered.""" try: - return Navigation.objects.filter(node__in=node.get_ancestors(include_self=True), key=key).order_by('-node__level')[0].node + return node.navigation[key].node except: return node \ No newline at end of file