newforms-admin: Fixed #5628 -- When inlines have validation errors an…

… error message is now displayed at the top of the page. Thanks Petr Marhoun for the improved patch.

git-svn-id: http://code.djangoproject.com/svn/django/branches/newforms-admin@7878 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/options.py

@@ -539,6 +539,7 @@ def add_view(self, request, form_url='', extra_context=None):
             'show_delete': False,
             'media': mark_safe(media),
             'inline_admin_formsets': inline_admin_formsets,
+            'errors': AdminErrorList(form, inline_formsets),
             'root_path': self.admin_site.root_path,
         }
         context.update(extra_context or {})
@@ -616,6 +617,7 @@ def change_view(self, request, object_id, extra_context=None):
             'is_popup': request.REQUEST.has_key('_popup'),
             'media': mark_safe(media),
             'inline_admin_formsets': inline_admin_formsets,
+            'errors': AdminErrorList(form, inline_formsets),
             'root_path': self.admin_site.root_path,
         }
         context.update(extra_context or {})
@@ -824,3 +826,15 @@ def deletion_field(self):
     def ordering_field(self):
         from django.newforms.formsets import ORDERING_FIELD_NAME
         return AdminField(self.form, ORDERING_FIELD_NAME, False)
+
+class AdminErrorList(forms.util.ErrorList):
+    """
+    Stores all errors for the form/formsets in an add/change stage view.
+    """
+    def __init__(self, form, inline_formsets):
+        if form.is_bound:
+            self.extend(form.errors.values())
+            for inline_formset in inline_formsets:
+                self.extend(inline_formset.non_form_errors())
+                for errors_in_inline_form in inline_formset.errors:
+                    self.extend(errors_in_inline_form.values())

django/contrib/admin/templates/admin/change_form.html

@@ -32,9 +32,9 @@
 <div>
 {% if is_popup %}<input type="hidden" name="_popup" value="1" />{% endif %}
 {% if save_on_top %}{% submit_row %}{% endif %}
-{% if adminform.form.errors %}
+{% if errors %}
     <p class="errornote">
-    {% blocktrans count adminform.form.errors.items|length as counter %}Please correct the error below.{% plural %}Please correct the errors below.{% endblocktrans %}
+    {% blocktrans count errors.items|length as counter %}Please correct the error below.{% plural %}Please correct the errors below.{% endblocktrans %}
     </p>
     <ul class="errorlist">{% for error in adminform.form.non_field_errors %}<li>{{ error }}</li>{% endfor %}</ul>
 {% endif %}