Initial navigation commit. Steps towards Model-managed navigation overrides.

diff --git a/models/nodes.py b/models/nodes.py
index 0ece55f..90184ab 100644 (file)
--- a/models/nodes.py
+++ b/models/nodes.py
@@ -10,6 +10,7 @@ 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 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
 from philo.utils import ContentTypeSubclassLimiter
 from philo.validators import RedirectValidator
 from philo.exceptions import ViewCanNotProvideSubpath, ViewDoesNotProvideSubpaths, AncestorDoesNotExist


@@ -17,6 +18,7 @@ from philo.signals import view_about_to_render, view_finished_rendering
 
 
 _view_content_type_limiter = ContentTypeSubclassLimiter(None)
 
 
 _view_content_type_limiter = ContentTypeSubclassLimiter(None)

+DEFAULT_NAVIGATION_DEPTH = 3

 
 
 class Node(TreeEntity):
 
 
 class Node(TreeEntity):


@@ -48,6 +50,43 @@ class Node(TreeEntity):
                except AncestorDoesNotExist, ViewDoesNotExist:
                        return None
        
                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'
 
        class Meta:
                app_label = 'philo'
 


@@ -56,6 +95,32 @@ class Node(TreeEntity):
 models.ForeignKey(Node, related_name='sites', null=True, blank=True).contribute_to_class(Site, 'root_node')
 
 
 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')
        
 class View(Entity):
        nodes = generic.GenericRelation(Node, content_type_field='view_content_type', object_id_field='view_object_id')
        


@@ -91,6 +156,9 @@ class View(Entity):
        def actually_render_to_response(self, request, extra_context=None):
                raise NotImplementedError('View subclasses must implement render_to_response.')
        
        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
 
        class Meta:
                abstract = True
 

diff --git a/models/pages.py b/models/pages.py
index 81b84c9..3669338 100644 (file)
--- a/models/pages.py
+++ b/models/pages.py
@@ -102,6 +102,12 @@ class Page(View):
                if errors:
                        raise ValidationError(errors)
        
                if errors:
                        raise ValidationError(errors)
        

+       def get_navigation(self, node, depth, current_depth):
+               return {
+                       'url': node.get_absolute_url(),
+                       'title': self.title
+               }
+       

        class Meta:
                app_label = 'philo'
 
        class Meta:
                app_label = 'philo'