5.2. Admin Fields

autocomplete_fields
exclude
fieldsets
inlines
list_display
list_display_links
list_filter
ordering
radio_fields
readonly_fields
search_fields
list_per_page

5.2.1. SetUp

>>> from django.contrib import admin
>>> from django.utils.translation import gettext_lazy as _
>>> from shop.models import Customer, Address, Product, Order  

5.2.2. autocomplete_fields

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     autocomplete_fields = ['addresses']

5.2.3. exclude

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     exclude = ['add_date', 'edit_date']

5.2.4. fieldsets

list[tuple[str, dict]]

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     fieldsets = [
...         (None, {'fields': ['is_verified']}),
...         (_('Personal'), {'fields': ['firstname', 'lastname', 'birthdate', 'gender'], 'classes': ['fieldset_personal']}),
...         (_('Financial'), {'fields': ['tax_number'], 'classes': ['fieldset_financial']}),
...         (_('Contact'), {'fields': ['email', 'phone'], 'classes': ['fieldset_contact']}),
...         (_('Other'), {'fields': ['image'], 'classes': ['fieldset_other']}),
...     ]

5.2.5. list_display

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_display = ['lastname', 'firstname', 'birthdate']

5.2.6. list_display_links

Django by default uses the first field in list_display as the link to the change page

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_display_links = ['lastname', 'firstname']

5.2.7. list_filter

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_filter = ['birthdate', 'gender']

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_filter = ['birthdate', 'gender']
...
...     def get_list_filter(self, request):
...         fields = super().get_list_filter(request)
...         if request.user.is_superuser:
...             fields = ['is_active'] + fields
...         return fields

5.2.8. ordering

-fieldname - descending order

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     ordering = ['-lastname', 'firstname']

5.2.9. radio_fields

radio_fields = {'fieldname': ...}
admin.VERTICAL
admin.HORIZONTAL

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     radio_fields = {'gender': admin.VERTICAL}

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     radio_fields = {'gender': admin.HORIZONTAL}

5.2.10. readonly_fields

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     readonly_fields = ['add_date', 'edit_date']

5.2.11. search_fields

search_fields
^ - starts with
= - exactly
@ - contains

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     search_fields = ['lastname', 'firstname']

>>> 
... @admin.register(Address)
... class AddressAdmin(admin.ModelAdmin):
...     search_fields = ['^customer__lastname', '@street', '=postcode']

>>> 
... @admin.register(Product)
... class ProductAdmin(admin.ModelAdmin):
...     search_fields = ['^name', '=barcode']

>>> 
... @admin.register(Order)
... class OrderAdmin(admin.ModelAdmin):
...     search_fields = ['^customer__lastname', '^product__name']

5.2.12. list_per_page

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_per_page = 100

5.2.13. Custom Field Display

>>> 
... @admin.register(Customer)
... class CustomerAdmin(admin.ModelAdmin):
...     list_display = ['firstname', 'lastname', 'display_emails']
...
...     @admin.display(empty_value='', description=_('Email'))
...     def display_emails(self, model):
...         result = model.emails.values_list('email', flat=True)
...         return ', '.join(result)