Remove piston residue.

[wolnelektury.git] / src / ajaxable / utils.py

diff --git a/src/ajaxable/utils.py b/src/ajaxable/utils.py
index 9fd0091..89dd0e2 100755 (executable)
--- a/src/ajaxable/utils.py
+++ b/src/ajaxable/utils.py
@@ -5,8 +5,7 @@
 from functools import wraps
 
 from django.http import HttpResponse, HttpResponseRedirect, HttpResponseForbidden
-from django.shortcuts import render_to_response
-from django.template import RequestContext
+from django.shortcuts import render
 from django.utils.encoding import force_unicode
 from django.utils.functional import Promise
 from django.utils.http import urlquote_plus
@@ -48,7 +47,7 @@ def require_login(request):
 
 def placeholdized(form):
     for field in form.fields.values():
-        field.widget.attrs['placeholder'] = field.label
+        field.widget.attrs['placeholder'] = field.label + ('*' if field.required else '')
     return form
 
 
@@ -77,6 +76,11 @@ class AjaxableFormView(object):
     def __call__(self, request, *args, **kwargs):
         """A view displaying a form, or JSON if request is AJAX."""
         obj = self.get_object(request, *args, **kwargs)
+
+        response = self.validate_object(obj, request)
+        if response:
+            return response
+
         form_args, form_kwargs = self.form_args(request, obj)
         if self.form_prefix:
             form_kwargs['prefix'] = self.form_prefix
@@ -148,7 +152,10 @@ class AjaxableFormView(object):
                 "view_kwargs": kwargs,
             }
         context.update(self.extra_context(request, obj))
-        return render_to_response(template, context, context_instance=RequestContext(request))
+        return render(request, template, context)
+
+    def validate_object(self, obj, request):
+        return None
 
     def redirect_or_refresh(self, request, path, message=None):
         """If the form is AJAX, refresh the page. If not, go to `path`."""