Remove obsolete jsonfield dependency.

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

diff --git a/src/ajaxable/utils.py b/src/ajaxable/utils.py
index 89b5622..8e34a9a 100755 (executable)
--- a/src/ajaxable/utils.py
+++ b/src/ajaxable/utils.py
@@ -4,11 +4,9 @@
 #
 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.utils.encoding import force_unicode
+from django.http import HttpResponse, HttpResponseRedirect, HttpResponseForbidden
+from django.shortcuts import render
+from django.utils.encoding import force_text
 from django.utils.functional import Promise
 from django.utils.http import urlquote_plus
 import json
@@ -20,7 +18,7 @@ from honeypot.decorators import verify_honeypot_value
 class LazyEncoder(json.JSONEncoder):
     def default(self, obj):
         if isinstance(obj, Promise):
-            return force_unicode(obj)
+            return force_text(obj)
         return obj
 
 
@@ -44,12 +42,12 @@ def require_login(request):
     if request.is_ajax():
         return HttpResponseForbidden('Not logged in')
     else:
-        return HttpResponseRedirect('/uzytkownicy/zaloguj')# next?=request.build_full_path())
+        return HttpResponseRedirect('/uzytkownicy/zaloguj')  # next?=request.build_full_path())
 
 
 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
 
 
@@ -64,6 +62,7 @@ class AjaxableFormView(object):
     # override to customize form look
     template = "ajaxable/form.html"
     submit = _('Send')
+    action = ''
 
     title = ''
     success_message = ''
@@ -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
@@ -119,8 +123,7 @@ class AjaxableFormView(object):
             if request.is_ajax():
                 return HttpResponse(LazyEncoder(ensure_ascii=False).encode(response_data))
         else:
-            if (self.POST_login and not request.user.is_authenticated()
-                    and not request.is_ajax()):
+            if self.POST_login and not request.user.is_authenticated() and not request.is_ajax():
                 return require_login(request)
 
             form = self.form_class(*form_args, **form_kwargs)
@@ -142,14 +145,17 @@ class AjaxableFormView(object):
                 "honeypot": self.honeypot,
                 "placeholdize": self.placeholdize,
                 "submit": self.submit,
+                "action": self.action,
                 "response_data": response_data,
                 "ajax_template": self.template,
                 "view_args": args,
                 "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`."""