X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/786854beaf0a823da2bbbf6696bcd53478e3c059..a05c936dabd92bf4756f4ca2c23ef0320b0543d9:/philo/models/nodes.py?ds=inline diff --git a/philo/models/nodes.py b/philo/models/nodes.py index 93f772a..830f94a 100644 --- a/philo/models/nodes.py +++ b/philo/models/nodes.py @@ -31,24 +31,30 @@ class Node(SlugTreeEntity): :class:`Node`\ s are the basic building blocks of a website using Philo. They define the URL hierarchy and connect each URL to a :class:`View` subclass instance which is used to generate an HttpResponse. """ - view_content_type = models.ForeignKey(ContentType, related_name='node_view_set', limit_choices_to=_view_content_type_limiter) - view_object_id = models.PositiveIntegerField() + view_content_type = models.ForeignKey(ContentType, related_name='node_view_set', limit_choices_to=_view_content_type_limiter, blank=True, null=True) + view_object_id = models.PositiveIntegerField(blank=True, null=True) #: :class:`GenericForeignKey` to a non-abstract subclass of :class:`View` view = generic.GenericForeignKey('view_content_type', 'view_object_id') @property def accepts_subpath(self): """A property shortcut for :attr:`self.view.accepts_subpath `""" - if self.view: - return self.view.accepts_subpath + if self.view_object_id and self.view_content_type_id: + return ContentType.objects.get_for_id(self.view_content_type_id).model_class().accepts_subpath return False def handles_subpath(self, subpath): - return self.view.handles_subpath(subpath) + if self.view_object_id and self.view_content_type_id: + return ContentType.objects.get_for_id(self.view_content_type_id).model_class().handles_subpath(subpath) + return False def render_to_response(self, request, extra_context=None): """This is a shortcut method for :meth:`View.render_to_response`""" - return self.view.render_to_response(request, extra_context) + if self.view_object_id and self.view_content_type_id: + view_model = ContentType.objects.get_for_id(self.view_content_type_id).model_class() + self.view = view_model._default_manager.select_related(depth=1).get(pk=self.view_object_id) + return self.view.render_to_response(request, extra_context) + raise Http404 def get_absolute_url(self, request=None, with_domain=False, secure=False): """ @@ -122,12 +128,13 @@ class View(Entity): #: A generic relation back to nodes. nodes = generic.GenericRelation(Node, content_type_field='view_content_type', object_id_field='view_object_id') - #: Property or attribute which defines whether this :class:`View` can handle subpaths. Default: ``False`` + #: An attribute on the class which defines whether this :class:`View` can handle subpaths. Default: ``False`` accepts_subpath = False - def handles_subpath(self, subpath): + @classmethod + def handles_subpath(cls, subpath): """Returns True if the :class:`View` handles the given subpath, and False otherwise.""" - if not self.accepts_subpath and subpath != "/": + if not cls.accepts_subpath and subpath != "/": return False return True @@ -222,15 +229,6 @@ class MultiView(View): """Returns urlpatterns that point to views (generally methods on the class). :class:`MultiView`\ s can be thought of as "managing" these subpaths.""" raise NotImplementedError("MultiView subclasses must implement urlpatterns.") - def handles_subpath(self, subpath): - if not super(MultiView, self).handles_subpath(subpath): - return False - try: - resolve(subpath, urlconf=self) - except Http404: - return False - return True - def actually_render_to_response(self, request, extra_context=None): """ Resolves the remaining subpath left after finding this :class:`View`'s node using :attr:`self.urlpatterns ` and renders the view function (or method) found with the appropriate args and kwargs.