andrewschoen · May 11, 2012 14:54 · May 11, 2012
diff --git a/custom_nav_tags.py b/custom_nav_tags.py
@@ -0,0 +1,36 @@
+from menus.menu_pool import menu_pool
+from django import template
+from menus.templatetags.menu_tags import cut_after
+
+register = template.Library()
+
+@register.inclusion_tag('cms/dummy.html', takes_context=True)
+def show_rooted_sub_menu(context, levels=100, root_level=0, template="menu/sub_menu.html"):
+   """
+   show the sub menu of the current nav-node.
+   -levels: how many levels deep
+   -temlplate: template used to render the navigation
+   """
+
+   try:
+       # If there's an exception (500), default context_processors may not be called.
+       request = context['request']
+   except KeyError:
+       return {'template': 'menu/empty.html'}
+   nodes = menu_pool.get_nodes(request)
+   children = []
+   for node in nodes:
+       if (node.ancestor and node.level == root_level) or (node.selected and node.level == root_level):
+           cut_after(node, levels, [])
+           children = node.children
+           for child in children:
+               child.parent = None
+           children = menu_pool.apply_modifiers(children, request, post_cut=True)
+   context.update({'children':children,
+                   'template':template,
+                   'from_level':0,
+                   'to_level':0,
+                   'extra_inactive':0,
+                   'extra_active':0
+                   })
+   return context