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Code Issues 25 Releases Wiki Activity

Fixed #31597, #31603 -- Corrected admin clear all filters link behavior.

Browse Source 
- Show "Clear all filters" only when any filter is selected.
- Preserve query string not related with filters.

Co-Authored-By: Hasan Ramezani <hasan.r67@gmail.com>
This commit is contained in:
Fran Hrzenjak 2020-05-19 09:03:04 +02:00 committed by Mariusz Felisiak
parent 3460ea49e8
commit 4484bc1b2f
5 changed files with 110 additions and 16 deletions
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4
django/contrib/admin/templates/admin/change_list.html
View File

@ -60,8 +60,8 @@
{% if cl.has_filters %}
<div id="changelist-filter">
<h2>{% translate 'Filter' %}</h2>
{% if cl.preserved_filters %}<h3 id="changelist-filter-clear">
<a href="?{% if cl.is_popup %}_popup=1{% endif %}">&#10006; {% translate "Clear all filters" %}</a>
{% if cl.has_active_filters %}<h3 id="changelist-filter-clear">
<a href="{{ cl.clear_all_filters_qs }}">&#10006; {% translate "Clear all filters" %}</a>
</h3>{% endif %}
{% for spec in cl.filter_specs %}{% admin_list_filter cl spec %}{% endfor %}
</div>

27
django/contrib/admin/views/main.py
View File

@ -59,6 +59,8 @@ class ChangeList:
self.list_display_links = list_display_links
self.list_filter = list_filter
self.has_filters = None
self.has_active_filters = None
self.clear_all_filters_qs = None
self.date_hierarchy = date_hierarchy
self.search_fields = search_fields
self.list_select_related = list_select_related
@ -121,6 +123,7 @@ class ChangeList:
def get_filters(self, request):
lookup_params = self.get_filters_params()
use_distinct = False
has_active_filters = False
for key, value in lookup_params.items():
if not self.model_admin.lookup_allowed(key, value):
@ -128,6 +131,7 @@ class ChangeList:
filter_specs = []
for list_filter in self.list_filter:
lookup_params_count = len(lookup_params)
if callable(list_filter):
# This is simply a custom list filter class.
spec = list_filter(request, lookup_params, self.model, self.model_admin)
@ -145,7 +149,6 @@ class ChangeList:
field_path = field
field = get_fields_from_path(self.model, field_path)[-1]
lookup_params_count = len(lookup_params)
spec = field_list_filter_class(
field, request, lookup_params,
self.model, self.model_admin, field_path=field_path,
@ -157,6 +160,8 @@ class ChangeList:
use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, field_path)
if spec and spec.has_output():
filter_specs.append(spec)
if lookup_params_count > len(lookup_params):
has_active_filters = True
if self.date_hierarchy:
# Create bounded lookup parameters so that the query is more
@ -199,7 +204,10 @@ class ChangeList:
for key, value in lookup_params.items():
lookup_params[key] = prepare_lookup_value(key, value)
use_distinct = use_distinct or lookup_needs_distinct(self.lookup_opts, key)
return filter_specs, bool(filter_specs), lookup_params, use_distinct
return (
filter_specs, bool(filter_specs), lookup_params, use_distinct,
has_active_filters,
)
except FieldDoesNotExist as e:
raise IncorrectLookupParameters(e) from e
@ -433,9 +441,13 @@ class ChangeList:
def get_queryset(self, request):
# First, we collect all the declared list filters.
(self.filter_specs, self.has_filters, remaining_lookup_params,
filters_use_distinct) = self.get_filters(request)
(
self.filter_specs,
self.has_filters,
remaining_lookup_params,
filters_use_distinct,
self.has_active_filters,
) = self.get_filters(request)
# Then, we let every list filter modify the queryset to its liking.
qs = self.root_queryset
for filter_spec in self.filter_specs:
@ -470,6 +482,11 @@ class ChangeList:
# Apply search results
qs, search_use_distinct = self.model_admin.get_search_results(request, qs, self.query)
# Set query string for clearing all filters.
self.clear_all_filters_qs = self.get_query_string(
new_params=remaining_lookup_params,
remove=self.get_filters_params(),
)
# Remove duplicates from results, if necessary
if filters_use_distinct | search_use_distinct:
return qs.distinct()

27
tests/admin_changelist/admin.py
View File

@ -3,7 +3,7 @@ from django.contrib.auth.admin import UserAdmin
from django.contrib.auth.models import User
from django.core.paginator import Paginator
from .models import Child, Event, Parent, Swallow
from .models import Band, Child, Event, Parent, Swallow
site = admin.AdminSite(name="admin")
@ -59,6 +59,31 @@ class BandAdmin(admin.ModelAdmin):
list_filter = ['genres']
class NrOfMembersFilter(admin.SimpleListFilter):
title = 'number of members'
parameter_name = 'nr_of_members_partition'
def lookups(self, request, model_admin):
return [
('5', '0 - 5'),
('more', 'more than 5'),
]
def queryset(self, request, queryset):
value = self.value()
if value == '5':
return queryset.filter(nr_of_members__lte=5)
if value == 'more':
return queryset.filter(nr_of_members__gt=5)
class BandCallableFilterAdmin(admin.ModelAdmin):
list_filter = [NrOfMembersFilter]
site.register(Band, BandCallableFilterAdmin)
class GroupAdmin(admin.ModelAdmin):
list_filter = ['members']

2
tests/admin_changelist/test_date_hierarchy.py
View File

@ -21,7 +21,7 @@ class DateHierarchyTests(TestCase):
request = self.factory.get('/', query)
request.user = self.superuser
changelist = EventAdmin(Event, custom_site).get_changelist_instance(request)
_, _, lookup_params, _ = changelist.get_filters(request)
_, _, lookup_params, *_ = changelist.get_filters(request)
self.assertEqual(lookup_params['date__gte'], expected_from_date)
self.assertEqual(lookup_params['date__lt'], expected_to_date)

66
tests/admin_changelist/tests.py
View File

@ -5,7 +5,9 @@ from django.contrib.admin.models import LogEntry
from django.contrib.admin.options import IncorrectLookupParameters
from django.contrib.admin.templatetags.admin_list import pagination
from django.contrib.admin.tests import AdminSeleniumTestCase
from django.contrib.admin.views.main import ALL_VAR, SEARCH_VAR
from django.contrib.admin.views.main import (
ALL_VAR, IS_POPUP_VAR, ORDER_VAR, PAGE_VAR, SEARCH_VAR, TO_FIELD_VAR,
)
from django.contrib.auth.models import User
from django.contrib.contenttypes.models import ContentType
from django.contrib.messages.storage.cookie import CookieStorage
@ -708,15 +710,65 @@ class ChangeListTests(TestCase):
def test_clear_all_filters_link(self):
self.client.force_login(self.superuser)
link = '<a href="?">&#10006; Clear all filters</a>'
response = self.client.get(reverse('admin:auth_user_changelist'))
self.assertNotContains(response, link)
url = reverse('admin:auth_user_changelist')
response = self.client.get(url)
self.assertNotContains(response, '&#10006; Clear all filters')
link = '<a href="%s">&#10006; Clear all filters</a>'
for data, href in (
({'is_staff__exact': '0'}, '?'),
(
{'is_staff__exact': '0', 'username__startswith': 'test'},
'?username__startswith=test',
),
(
{'is_staff__exact': '0', SEARCH_VAR: 'test'},
'?%s=test' % SEARCH_VAR,
),
(
{'is_staff__exact': '0', IS_POPUP_VAR: 'id'},
'?%s=id' % IS_POPUP_VAR,
),
):
with self.subTest(data=data):
response = self.client.get(url, data=data)
self.assertContains(response, link % href)
def test_clear_all_filters_link_callable_filter(self):
self.client.force_login(self.superuser)
url = reverse('admin:admin_changelist_band_changelist')
response = self.client.get(url)
self.assertNotContains(response, '&#10006; Clear all filters')
link = '<a href="%s">&#10006; Clear all filters</a>'
for data, href in (
({'nr_of_members_partition': '5'}, '?'),
(
{'nr_of_members_partition': 'more', 'name__startswith': 'test'},
'?name__startswith=test',
),
(
{'nr_of_members_partition': '5', IS_POPUP_VAR: 'id'},
'?%s=id' % IS_POPUP_VAR,
),
):
with self.subTest(data=data):
response = self.client.get(url, data=data)
self.assertContains(response, link % href)
def test_no_clear_all_filters_link(self):
self.client.force_login(self.superuser)
url = reverse('admin:auth_user_changelist')
link = '>&#10006; Clear all filters</a>'
for data in (
{SEARCH_VAR: 'test'},
{'is_staff__exact': '0'},
{ORDER_VAR: '-1'},
{TO_FIELD_VAR: 'id'},
{PAGE_VAR: '1'},
{IS_POPUP_VAR: '1'},
{'username__startswith': 'test'},
):
response = self.client.get(reverse('admin:auth_user_changelist'), data=data)
self.assertContains(response, link)
with self.subTest(data=data):
response = self.client.get(url, data=data)
self.assertNotContains(response, link)
def test_tuple_list_display(self):
swallow = Swallow.objects.create(origin='Africa', load='12.34', speed='22.2')