Minor correction to embed template tag: updating the context adds an additional conte...
[philo.git] / models / nodes.py
index ae2e081..0ece55f 100644 (file)
@@ -3,15 +3,16 @@ from django.contrib.contenttypes.models import ContentType
 from django.contrib.contenttypes import generic
 from django.contrib.sites.models import Site
 from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
 from django.contrib.contenttypes import generic
 from django.contrib.sites.models import Site
 from django.http import HttpResponse, HttpResponseServerError, HttpResponseRedirect
+from django.core.exceptions import ViewDoesNotExist
 from django.core.servers.basehttp import FileWrapper
 from django.core.servers.basehttp import FileWrapper
-from django.core.urlresolvers import resolve, clear_url_caches
+from django.core.urlresolvers import resolve, clear_url_caches, reverse, NoReverseMatch
 from django.template import add_to_builtins as register_templatetags
 from inspect import getargspec
 from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED
 from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
 from philo.utils import ContentTypeSubclassLimiter
 from philo.validators import RedirectValidator
 from django.template import add_to_builtins as register_templatetags
 from inspect import getargspec
 from philo.exceptions import MIDDLEWARE_NOT_CONFIGURED
 from philo.models.base import TreeEntity, Entity, QuerySetMapper, register_value_model
 from philo.utils import ContentTypeSubclassLimiter
 from philo.validators import RedirectValidator
-from philo.exceptions import ViewDoesNotProvideSubpaths, AncestorDoesNotExist
+from philo.exceptions import ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths, AncestorDoesNotExist
 from philo.signals import view_about_to_render, view_finished_rendering
 
 
 from philo.signals import view_about_to_render, view_finished_rendering
 
 
@@ -33,10 +34,18 @@ class Node(TreeEntity):
                return self.view.render_to_response(request, extra_context)
        
        def get_absolute_url(self):
                return self.view.render_to_response(request, extra_context)
        
        def get_absolute_url(self):
-               root = Site.objects.get_current().root_node
                try:
                try:
-                       return '/%s' % self.get_path(root=root)
-               except AncestorDoesNotExist:
+                       root = Site.objects.get_current().root_node
+               except Site.DoesNotExist:
+                       root = None
+               
+               try:
+                       path = self.get_path(root=root)
+                       if path:
+                               path += '/'
+                       root_url = reverse('philo-root')
+                       return '%s%s' % (root_url, path)
+               except AncestorDoesNotExist, ViewDoesNotExist:
                        return None
        
        class Meta:
                        return None
        
        class Meta:
@@ -53,7 +62,18 @@ class View(Entity):
        accepts_subpath = False
        
        def get_subpath(self, obj):
        accepts_subpath = False
        
        def get_subpath(self, obj):
-               raise ViewDoesNotProvideSubpaths
+               if not self.accepts_subpath:
+                       raise ViewDoesNotProvideSubpaths
+               
+               view_name, args, kwargs = self.get_reverse_params(obj)
+               try:
+                       return reverse(view_name, args=args, kwargs=kwargs, urlconf=self)
+               except NoReverseMatch:
+                       raise ViewCanNotProvideSubpath
+       
+       def get_reverse_params(self, obj):
+               """This method should return a view_name, args, kwargs tuple suitable for reversing a url for the given obj using self as the urlconf."""
+               raise NotImplementedError("View subclasses must implement get_reverse_params to support subpaths.")
        
        def attributes_with_node(self, node):
                return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
        
        def attributes_with_node(self, node):
                return QuerySetMapper(self.attribute_set, passthrough=node.attributes)
@@ -81,7 +101,9 @@ _view_content_type_limiter.cls = View
 class MultiView(View):
        accepts_subpath = True
        
 class MultiView(View):
        accepts_subpath = True
        
-       urlpatterns = []
+       @property
+       def urlpatterns(self, obj):
+               raise NotImplementedError("MultiView subclasses must implement urlpatterns.")
        
        def actually_render_to_response(self, request, extra_context=None):
                clear_url_caches()
        
        def actually_render_to_response(self, request, extra_context=None):
                clear_url_caches()