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[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)
这是我的模型:
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 管理界面中有一个很好的自动完成/过滤器。 不幸的是,如果数据集不是来自多对多或外键关系,似乎不可能有自动完成功能。 这是我尝试过的:
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']
我知道我也可以像这样设置查询集:
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.
我怎样才能达到我想要的?
您可以使用django-autocomplete-light包轻松地将表单选择字段作为自动完成下拉列表。 这个包也支持查询集。
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
现在您在管理类中使用 modelform,
@admin.register(Academic)
class AcademicAdmin(admin.ModelAdmin):
form = AcademicForm
....
....
有关更多详细信息,请参阅 doc_link- https://django-autocomplete-light.readthedocs.io/en/master/tutorial.html
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