contrib/navigation/templatetags/navigation.py

   1 from django import template
   2 from django.conf import settings
   3 from philo.contrib.navigation.models import Navigation
   4
   5
   6 register = template.Library()
   7
   8
   9 @register.filter
  10 def get_descendants(roots):
  11         qs = None
  12         for root in roots:
  13                 root_qs = root.get_descendants(include_self=True).complex_filter({'%s__lte' % root._mptt_meta.level_attr: root.get_level() + root.depth}).exclude(depth__isnull=True)
  14                 if qs is None:
  15                         qs = root_qs
  16                 else:
  17                         qs |= root_qs
  18         return qs
  19
  20 @register.filter
  21 def is_active(navigation, request):
  22         """
  23         Returns true if the navigation is considered `active`.
  24
  25         But what does "active" mean? Should this be defined on the model instead, perhaps?
  26         """
  27         try:
  28                 if navigation.target_node == request.node:
  29                         if request.path == navigation.target_url:
  30                                 return True
  31                         return False
  32                 if navigation.target_url in request.path:
  33                         return True
  34         except:
  35                 pass
  36         return False