[英]How to display all available choices of a manytomany field in django admin using filter_horizontal
[英]Django admin - using autocomplete and filter on choices fields (not ManyToMany or ForeignKey)
這是我的模型:
class Academic(models.Model):
SCHOOL_COLLEGE_SERVICE = [
('School Of Humanities', 'School Of Humanities'),
('School Of Culture & Creative Arts', 'School Of Culture & Creative Arts'),
('School Of Modern Languages & Cultures', 'School Of Modern Languages & Cultures'),
('School Of Critical Studies', 'School Of Critical Studies'),
('Arts College Of Arts Administration', 'Arts College Of Arts Administration'),
]
school = models.CharField(choices=SCHOOL_COLLEGE_SERVICE, max_length=50, blank=True, null=True)
我想在我的 Django 管理界面中有一個很好的自動完成/過濾器。 不幸的是,如果數據集不是來自多對多或外鍵關系,似乎不可能有自動完成功能。 這是我嘗試過的:
from django.contrib import admin
from .models import Academic, Partner, Project
from admin_auto_filters.filters import AutocompleteFilter
import django_filters
@admin.register(Academic)
class AcademicAdmin(admin.ModelAdmin):
search_fields = ['surname', 'forename']
#school = django_filters.ChoiceFilter(choices=Academic.SCHOOL_COLLEGE_SERVICE)
#autocomplete_fields = ['school']
我知道我也可以像這樣設置查詢集:
class SchoolFilter(django_filters.FilterSet):
class Meta:
model = Academic
fields = ['school',]
但是 Django 仍然抱怨The value of 'autocomplete_fields[0]' must be a foreign key or a many-to-many field.
我怎樣才能達到我想要的?
您可以使用django-autocomplete-light包輕松地將表單選擇字段作為自動完成下拉列表。 這個包也支持查詢集。
在forms.py中,
class AcademicForm(forms.ModelForm):
school = forms.ChoiceField(choices=[],
widget=autocomplete.ListSelect2(url='school_autocomplete'))
class Meta:
model = Academic
fields = ['school', 'other_your_model_fields']
在 urls.py 中,
urlpatterns = [
path('school-autocomplete', SchoolAutocompleteView.as_view(), name='school_autocomplete'),
]
在views.py中,
from dal import autocomplete
class SchoolAutocompleteView(autocomplete.Select2ListView):
def get_list(self):
if not self.request.user.is_authenticated:
return []
SCHOOL_COLLEGE_SERVICE = ['School Of Humanities',
'School Of Culture & Creative Arts',
'School Of Modern Languages & Cultures',
'School Of Critical Studies',
'Arts College Of Arts Administration']
return SCHOOL_COLLEGE_SERVICE
現在您在管理類中使用 modelform,
@admin.register(Academic)
class AcademicAdmin(admin.ModelAdmin):
form = AcademicForm
....
....
有關更多詳細信息,請參閱 doc_link- https://django-autocomplete-light.readthedocs.io/en/master/tutorial.html
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