X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/c7571f163bfae1c2dcfd4fbfa8e43ac7cd3fdcff..048812e5eaeff5eb9ba3b1877cdb9fb3a84662aa:/models/nodes.py

diff --git a/models/nodes.py b/models/nodes.py
index de10ed1..526400c 100644
--- a/models/nodes.py
+++ b/models/nodes.py
@@ -89,7 +89,7 @@ class View(Entity):
 		return response
 	
 	def actually_render_to_response(self, request, extra_context=None):
-		raise NotImplementedError('View subclasses must implement render_to_response.')
+		raise NotImplementedError('View subclasses must implement actually_render_to_response.')
 	
 	class Meta:
 		abstract = True
@@ -102,7 +102,7 @@ class MultiView(View):
 	accepts_subpath = True
 	
 	@property
-	def urlpatterns(self, obj):
+	def urlpatterns(self):
 		raise NotImplementedError("MultiView subclasses must implement urlpatterns.")
 	
 	def actually_render_to_response(self, request, extra_context=None):
@@ -127,6 +127,31 @@ class MultiView(View):
 			return '/%s/%s/' % (node.get_absolute_url().strip('/'), subpath.strip('/'))
 		return subpath
 	
+	def get_context(self):
+		"""Hook for providing instance-specific context - such as the value of a Field - to all views."""
+		return {}
+	
+	def basic_view(self, field_name):
+		"""
+		Given the name of a field on ``self``, accesses the value of
+		that field and treats it as a ``View`` instance. Creates a
+		basic context based on self.get_context() and any extra_context
+		that was passed in, then calls the ``View`` instance's
+		render_to_response() method. This method is meant to be called
+		to return a view function appropriate for urlpatterns.
+		"""
+		field = self._meta.get_field(field_name)
+		view = getattr(self, field.name, None)
+		
+		def inner(request, extra_context=None, **kwargs):
+			if not view:
+				raise Http404
+			context = self.get_context()
+			context.update(extra_context or {})
+			return view.render_to_response(request, extra_context=context)
+		
+		return inner
+	
 	class Meta:
 		abstract = True
 
@@ -148,7 +173,6 @@ class Redirect(View):
 		app_label = 'philo'
 
 
-# Why does this exist?
 class File(View):
 	""" For storing arbitrary files """