Merged cowell back into core.

[philo.git] / models / nodes.py

diff --git a/models/nodes.py b/models/nodes.py
index 90184ab..2bfb4fd 100644 (file)
--- a/models/nodes.py
+++ b/models/nodes.py
@@ -10,7 +10,6 @@ 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.models.fields import JSONField
 from philo.utils import ContentTypeSubclassLimiter
 from philo.validators import RedirectValidator
 from philo.exceptions import ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths, AncestorDoesNotExist
@@ -18,7 +17,6 @@ from philo.signals import view_about_to_render, view_finished_rendering
 
 
 _view_content_type_limiter = ContentTypeSubclassLimiter(None)
-DEFAULT_NAVIGATION_DEPTH = 3
 
 
 class Node(TreeEntity):
@@ -50,43 +48,6 @@ class Node(TreeEntity):
                except AncestorDoesNotExist, ViewDoesNotExist:
                        return None
        
-       def get_navigation(self, depth=DEFAULT_NAVIGATION_DEPTH, current_depth=0, found_node_pks=None):
-               navigation = self.view.get_navigation(self, depth, current_depth)
-               
-               if depth == current_depth:
-                       return navigation
-               import pdb
-               pdb.set_trace()
-               found_node_pks = found_node_pks or [self.pk]
-               ordered_child_pks = NodeNavigationOverride.objects.filter(parent=self, child__parent=self).values_list('child__pk', flat=True)
-               
-               children = self.children.exclude(pk__in=found_node_pks)
-               ordered_children = children.filter(pk__in=ordered_child_pks)
-               unordered_children = children.exclude(pk__in=ordered_child_pks)
-               
-               children = list(ordered_children) + list(unordered_children)
-               
-               if children:
-                       child_navigation = []
-                       for child in children:
-                               found_node_pks.append(child.pk)
-                               try:
-                                       child_navigation.append(child.get_navigation(depth, current_depth + 1, found_node_pks))
-                               except NotImplementedError:
-                                       pass
-                       
-                       if child_navigation:
-                               if 'children' in navigation:
-                                       navigation['children'] += child_navigation
-                               else:
-                                       navigation['children'] = child_navigation
-               
-               return navigation
-       
-       def save(self):
-               super(Node, self).save()
-               
-       
        class Meta:
                app_label = 'philo'
 
@@ -95,32 +56,6 @@ class Node(TreeEntity):
 models.ForeignKey(Node, related_name='sites', null=True, blank=True).contribute_to_class(Site, 'root_node')
 
 
-class NodeNavigationOverride(Entity):
-       parent = models.ForeignKey(Node, related_name="navigation_override_child_set")
-       child = models.OneToOneField(Node, related_name="navigation_override")
-       url = models.CharField(max_length=200, validators=[RedirectValidator()], blank=True)
-       title = models.CharField(max_length=100, blank=True)
-       order = models.PositiveSmallIntegerField(blank=True, null=True)
-       child_navigation = JSONField()
-       
-       def get_navigation(self, node, depth, current_depth):
-               if self.child_navigation:
-                       depth = current_depth
-               default = node.get_navigation(depth, current_depth)
-               if self.url:
-                       default['url'] = self.url
-               if self.title:
-                       default['title'] = self.title
-               if self.child_navigation:
-                       if 'children' in default:
-                               default['children'] += self.child_navigation
-                       else:
-                               default['children'] = self.child_navigation
-       
-       class Meta:
-               ordering = ['order']
-
-
 class View(Entity):
        nodes = generic.GenericRelation(Node, content_type_field='view_content_type', object_id_field='view_object_id')
        
@@ -156,9 +91,6 @@ class View(Entity):
        def actually_render_to_response(self, request, extra_context=None):
                raise NotImplementedError('View subclasses must implement render_to_response.')
        
-       def get_navigation(self, node, depth, current_depth):
-               raise NotImplementedError('View subclasses must implement get_navigation.')
-       
        class Meta:
                abstract = True
 
@@ -187,6 +119,36 @@ class MultiView(View):
                        kwargs['extra_context'] = extra_context
                return view(request, *args, **kwargs)
        
+       def reverse(self, view_name, args=None, kwargs=None, node=None):
+               """Shortcut method to handle the common pattern of getting the absolute url for a multiview's
+               subpaths."""
+               subpath = reverse(view_name, urlconf=self, args=args or [], kwargs=kwargs or {})
+               if node is not None:
+                       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, view_name):
+               """
+               Wraps a field name and returns a simple view function that will render that view
+               with a basic context. This assumes that the field name is a ForeignKey to a
+               model with a render_to_response method.
+               """
+               field = self._meta.get_field(view_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