Localiza url do subnav.yaml nas variações do crud

Localiza url do subnav.yaml nas variações do crud da view do request
caso o acesso seja por uma de suas variações com o intuito de manter
a classe "active" no subnav correto ao serem ativadas funcionalidades
de adição, edição e exclusão.

sapl/base/templatetags/menus.py

@@ -44,18 +44,18 @@ def subnav(context, path=None):
             """
             yaml_template = template.loader.get_template(yaml_path)
             menu = yaml.load(open(yaml_template.origin.name, 'r'))
-            resolve_urls_inplace(menu, root_pk, app, request.path)
+            resolve_urls_inplace(menu, root_pk, app, context)
         except:
             pass
 
     return {'menu': menu}
 
 
-def resolve_urls_inplace(menu, pk, app, request_path):
+def resolve_urls_inplace(menu, pk, app, context):
     if isinstance(menu, list):
         list_active = ''
         for item in menu:
-            menuactive = resolve_urls_inplace(item, pk, app, request_path)
+            menuactive = resolve_urls_inplace(item, pk, app, context)
             list_active = menuactive if menuactive else list_active
             if not isinstance(item, list):
                 item['active'] = menuactive
@@ -63,10 +63,25 @@ def resolve_urls_inplace(menu, pk, app, request_path):
         return list_active
     else:
         if 'url' in menu:
+            url_name = menu['url']
             menu['url'] = reverse('%s:%s' % (app, menu['url']),
                                   kwargs={'pk': pk})
-            menu['active'] = 'active' if request_path == menu['url'] else ''
+            menu['active'] = 'active'\
+                if context['request'].path == menu['url'] else ''
+
+            if not menu['active']:
+                # se não encontrada, procura a url acionada dentro do crud, caso
+                # seja um.
+                view = context['view']
+                if hasattr(view, '__class__') and\
+                        hasattr(view.__class__, 'crud'):
+                    urls = view.__class__.crud.get_urls()
+                    for u in urls:
+                        if u.name == url_name:
+                            menu['active'] = 'active'
+                            break
+
         if 'children' in menu:
             menu['active'] = resolve_urls_inplace(
-                menu['children'], pk, app, request_path)
+                menu['children'], pk, app, context)
         return menu['active']