Docs on the filter HTML interface

docs/api-guide/filtering.md

@@ -95,9 +95,9 @@ You can also set the filter backends on a per-view, or per-viewset basis,
 using the `GenericAPIView` class based views.
 
     from django.contrib.auth.models import User
-	from myapp.serializers import UserSerializer
+    from myapp.serializers import UserSerializer
     from rest_framework import filters
-	from rest_framework import generics
+    from rest_framework import generics
 
     class UserListView(generics.ListAPIView):
         queryset = User.objects.all()
@@ -141,6 +141,13 @@ To use REST framework's `DjangoFilterBackend`, first install `django-filter`.
 
     pip install django-filter
 
+If you are using the browsable API or admin API you may also want to install `crispy-forms`, which will enhance the presentation of the filter forms in HTML views, by allowing them to render Bootstrap 3 HTML.
+
+    pip install django-crispy-forms
+
+With crispy forms installed, the browsable API will present a filtering control for `DjangoFilterBackend`, like so:
+
+![Django Filter](../../docs/img/django-filter.png)
 
 #### Specifying filter fields
 
@@ -237,6 +244,10 @@ For more details on using filter sets see the [django-filter documentation][djan
 
 The `SearchFilter` class supports simple single query parameter based searching, and is based on the [Django admin's search functionality][search-django-admin].
 
+When in use, the browsable API will include a `SearchFilter` control:
+
+![Search Filter](../../docs/img/search-filter.png)
+
 The `SearchFilter` class will only be applied if the view has a `search_fields` attribute set.  The `search_fields` attribute should be a list of names of text type fields on the model, such as `CharField` or `TextField`.
 
     class UserListView(generics.ListAPIView):
@@ -274,7 +285,11 @@ For more details, see the [Django documentation][search-django-admin].
 
 ## OrderingFilter
 
-The `OrderingFilter` class supports simple query parameter controlled ordering of results.  By default, the query parameter is named `'ordering'`, but this may by overridden with the `ORDERING_PARAM` setting.
+The `OrderingFilter` class supports simple query parameter controlled ordering of results.
+
+![Ordering Filter](../../docs/img/ordering-filter.png)
+
+By default, the query parameter is named `'ordering'`, but this may by overridden with the `ORDERING_PARAM` setting.
 
 For example, to order users by username:
 
@@ -395,6 +410,8 @@ Generic filters may also present an interface in the browsable API. To do so you
 
 `to_html(self, request, queryset, view)`
 
+The method should return a rendered HTML string.
+
 # Third party packages
 
 The following third party packages provide additional filter implementations.

rest_framework/renderers.py

@@ -591,7 +591,9 @@ def get_filter_form(self, data, view, request):
 
         # Infer if this is a list view or not.
         paginator = getattr(view, 'paginator', None)
-        if (paginator is not None and data is not None):
+        if isinstance(data, list):
+            pass
+        elif (paginator is not None and data is not None):
             try:
                 paginator.get_results(data)
             except (TypeError, KeyError):