Merge branch 'master' into navigation

[philo.git] / templatetags / nodes.py

diff --git a/templatetags/nodes.py b/templatetags/nodes.py
index 73492d4..c2dcd9a 100644 (file)
--- a/templatetags/nodes.py
+++ b/templatetags/nodes.py
@@ -114,4 +114,84 @@ def do_node_url(parser, token):
                                args.append(parser.compile_filter(value))
                return NodeURLNode(view_name=view_name, args=args, kwargs=kwargs, node=node, as_var=as_var)
        
-       return NodeURLNode(node=node, as_var=as_var)
\ No newline at end of file
+       return NodeURLNode(node=node, as_var=as_var)
+
+
+class NavigationNode(template.Node):
+       def __init__(self, node=None, as_var=None):
+               self.as_var = as_var
+               self.node = node
+       
+       def render(self, context):
+               if 'request' not in context:
+                       return settings.TEMPLATE_STRING_IF_INVALID
+               
+               if self.node:
+                       node = self.node.resolve(context)
+               else:
+                       node = context.get('node', None)
+               
+               if not node:
+                       return settings.TEMPLATE_STRING_IF_INVALID
+               
+               try:
+                       nav_root = node.attributes['navigation_root']
+               except KeyError:
+                       if settings.TEMPLATE_DEBUG:
+                               raise
+                       return settings.TEMPLATE_STRING_IF_INVALID
+               
+               # Should I get its override and check for a max depth override there?
+               navigation = nav_root.get_navigation()
+               
+               if self.as_var:
+                       context[self.as_var] = navigation
+                       return ''
+               
+               return self.compile(navigation, context['request'].path, nav_root.get_absolute_url(), nav_root.get_level(), nav_root.get_level() + 3)
+       
+       def compile(self, navigation, active_path, root_url, current_depth, max_depth):
+               compiled = ""
+               for item in navigation:
+                       if item['url'] in active_path and (item['url'] != root_url or root_url == active_path):
+                               compiled += "<li class='active'>"
+                       else:
+                               compiled += "<li>"
+                       
+                       if item['url']:
+                               compiled += "<a href='%s'>" % item['url']
+                       
+                       compiled += item['title']
+                       
+                       if item['url']:
+                               compiled += "</a>"
+                       
+                       if 'children' in item and current_depth < max_depth:
+                               compiled += "<ul>%s</ul>" % self.compile(item['children'], active_path, root_url, current_depth + 1, max_depth)
+                       
+                       compiled += "</li>"
+               return compiled
+
+
+@register.tag(name='navigation')
+def do_navigation(parser, token):
+       """
+       {% navigation [for <node>] [as <var>] %}
+       """
+       bits = token.split_contents()
+       tag = bits[0]
+       bits = bits[1:]
+       node = None
+       as_var = None
+       
+       if len(bits) >= 2 and bits[-2] == 'as':
+               as_var = bits[-1]
+               bits = bits[:-2]
+       
+       if len(bits) >= 2 and bits[-2] == 'for':
+               node = parser.compile_filter(bits[-1])
+               bits = bits[-2]
+       
+       if bits:
+               raise template.TemplateSyntaxError('`%s` template tag expects the syntax {%% %s [for <node>] [as <var>] %}' % (tag, tag))
+       return NavigationNode(node, as_var)