From 5084f7c87108ad4834f4d13e167b33d55512d885 Mon Sep 17 00:00:00 2001
From: Roberto Rosario <Roberto.Rosario.Gonzalez@gmail.com>
Date: Mon, 18 Apr 2011 04:30:36 -0400
Subject: [PATCH] Added support for per-view side bar templates

---
 apps/main/templates/base.html                 |  9 ++++++-
 apps/navigation/api.py                        |  9 +++++++
 .../templatetags/navigation_tags.py           | 25 ++++++++++++++++++-
 3 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/apps/main/templates/base.html b/apps/main/templates/base.html
index 9b9cfb9da5..e1de9223f7 100644
--- a/apps/main/templates/base.html
+++ b/apps/main/templates/base.html
@@ -143,7 +143,7 @@
         {% endwith %}
         {% endwith %}
     {% endif %}
-
+    
     {% get_object_navigation_links as object_navigation_links %}
     {% if object_navigation_links %}
         <div class="block">
@@ -176,6 +176,13 @@
         </div>
     {% endif %}
 
+    {% get_sidebar_templates as sidebar_templates %}
+    {% for template in sidebar_templates %}
+        {% with "true" as side_bar %}
+            {% include template %}
+        {% endwith %}
+    {% endfor %}
+
     {% block sidebar %}{% endblock %}
 {% endblock %}
 
diff --git a/apps/navigation/api.py b/apps/navigation/api.py
index 45bd965ab7..633a3fff0f 100644
--- a/apps/navigation/api.py
+++ b/apps/navigation/api.py
@@ -4,6 +4,7 @@ object_navigation = {}
 multi_object_navigation = {}
 menu_links = []
 model_list_columns = {}
+sidebar_templates = {}
 
 
 def register_multi_item_links(src, links, menu_name=None):
@@ -62,3 +63,11 @@ def register_model_list_columns(model, columns):
         model_list_columns[model].extend(columns)
     else:
         model_list_columns[model] = copy.copy(columns)
+        
+
+def register_sidebar_template(source_list, template_name):
+    for source in source_list:
+        if source in sidebar_templates:
+            sidebar_templates[source].append(template_name)
+        else:
+            sidebar_templates[source] = [template_name]
diff --git a/apps/navigation/templatetags/navigation_tags.py b/apps/navigation/templatetags/navigation_tags.py
index 1bd8b65111..a8260137e5 100644
--- a/apps/navigation/templatetags/navigation_tags.py
+++ b/apps/navigation/templatetags/navigation_tags.py
@@ -8,7 +8,7 @@ from django.utils.text import unescape_string_literal
 from django.utils.translation import ugettext as _
 
 from navigation.api import object_navigation, multi_object_navigation, \
-    menu_links as menu_navigation
+    menu_links as menu_navigation, sidebar_templates
 from navigation.forms import MultiItemForm
 from navigation.utils import resolve_to_name
 
@@ -222,3 +222,26 @@ def get_multi_item_links_form(context):
         'submit_method': 'get',
     })
     return new_context
+
+
+class GetSidebarTemplatesNone(Node):
+    def __init__(self, var_name='sidebar_templates'):
+        self.var_name = var_name
+
+    def render(self, context):
+        request = Variable('request').resolve(context)
+        view_name = resolve_to_name(request.META['PATH_INFO'])
+        context[self.var_name] = sidebar_templates.get(view_name, [])
+        return ''
+
+
+@register.tag
+def get_sidebar_templates(parser, token):
+    tag_name, arg = token.contents.split(None, 1)
+
+    m = re.search(r'("?\w+"?)?.?as (\w+)', arg)
+    if not m:
+        raise TemplateSyntaxError("%r tag had invalid arguments" % tag_name)
+
+    menu_name, var_name = m.groups()
+    return GetSidebarTemplatesNone(var_name=var_name)