Remaining Django 1.9 fixes.
[wolnelektury.git] / src / ajaxable / utils.py
index 9fd0091..82de847 100755 (executable)
@@ -48,7 +48,7 @@ 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 +77,11 @@ 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
@@ -150,6 +155,9 @@ class AjaxableFormView(object):
         context.update(self.extra_context(request, obj))
         return render_to_response(template, context, context_instance=RequestContext(request))
 
+    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`."""
         if request.is_ajax():