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Django Admin InputFilter
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# common/admin.py | |
class InputFilter(admin.SimpleListFilter): | |
template = 'admin/input_filter.html' | |
def lookups(self, request, model_admin): | |
# Dummy, required to show the filter. | |
return ((),) | |
def choices(self, changelist): | |
# Grab only the "all" option. | |
all_choice = next(super().choices(changelist)) | |
all_choice['query_parts'] = ( | |
(k, v) | |
for k, v in changelist.get_filters_params().items() | |
if k != self.parameter_name | |
) | |
yield all_choice |
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<!-- templates/admin/input_filter.html --> | |
{% load i18n %} | |
<h3>{% blocktrans with filter_title=title %} By {{ filter_title }} {% endblocktrans %}</h3> | |
<ul> | |
<li> | |
{% with choices.0 as all_choice %} | |
<form method="GET" action=""> | |
{% for k, v in all_choice.query_parts %} | |
<input type="hidden" name="{{ k }}" value="{{ v }}" /> | |
{% endfor %} | |
<input type="text" | |
value="{{ spec.value|default_if_none:'' }}" | |
name="{{ spec.parameter_name }}"/> | |
{% if not all_choice.selected %} | |
<strong><a href="{{ all_choice.query_string }}">x {% trans 'Remove' %}</a></strong> | |
{% endif %} | |
</form> | |
{% endwith %} | |
</li> | |
</ul> |
from django.db.models import Q
class UserFilter(InputFilter):
parameter_name = 'user'
title = _('User')
def queryset(self, request, queryset):
term = self.value()
if term is None:
return
any_name = Q()
for bit in term.split():
any_name &= (
Q(user__first_name__icontains=bit) |
Q(user__last_name__icontains=bit)
)
return queryset.filter(any_name)
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https://hakibenita.com/how-to-add-a-text-filter-to-django-admin