Proper context and breadcrumbs

adminsortable/admin.py

@@ -219,11 +219,11 @@ class SortableAdmin(SortableAdminBase, ModelAdmin):
         except AttributeError:
             verbose_name_plural = opts.verbose_name_plural
 
-        context = {
+        context = self.admin_site.each_context(request)
+        context.update({
             'title': u'Drag and drop {0} to change display order'.format(
                 capfirst(verbose_name_plural)),
             'opts': opts,
-            'app_label': opts.app_label,
             'has_perm': True,
             'objects': objects,
             'group_expression': sortable_by_expression,
@@ -232,7 +232,7 @@ class SortableAdmin(SortableAdminBase, ModelAdmin):
             'sortable_by_class_display_name': sortable_by_class_display_name,
             'jquery_lib_path': jquery_lib_path,
             'csrf_cookie_name': getattr(settings, 'CSRF_COOKIE_NAME', 'csrftoken')
-        }
+        })
         return render(request, self.sortable_change_list_template, context)
 
     def add_view(self, request, form_url='', extra_context=None):

adminsortable/templates/adminsortable/change_list.html

@@ -37,12 +37,16 @@
 {% if not is_popup %}
 {% block breadcrumbs %}
     <div class="breadcrumbs">
-      <a href="../../../">
+      <a href="{% url 'admin:index' %}">
         {% trans "Home" %}
       </a>
-       &rsaquo;
-       <a href="../../">
-         {{ app_label|capfirst }}
+      &rsaquo;
+      <a href="{% url 'admin:app_list' app_label=opts.app_label %}">
+        {{ opts.app_config.verbose_name }}
+      </a>
+      &rsaquo;
+      <a href="{% url opts|admin_urlname:'changelist' %}">
+        {{ opts.verbose_name_plural|capfirst }}
       </a>
       &rsaquo;
       	{% trans 'Reorder' %}
@@ -72,7 +76,7 @@
 		{% block object-tools %}
 	        <ul class="object-tools">
 	            <li>
-                    <a href="../">
+                    <a href="{% url opts|admin_urlname:'changelist' %}">
                     {% blocktrans with opts.verbose_name_plural|capfirst as model %}Return to {{ model }}{% endblocktrans %}
                     </a>
                 </li>