The Django Admin Interface allows users to add, change, and delete content from the database through the admin site. To activate it, django.contrib.admin must be added to INSTALLED_APPS. Models can be customized using ModelAdmin classes to control the display and behavior of each model in the admin. The admin site URLs must be included in the project URLconf. ModelAdmin attributes like list_display, search_fields, and fieldsets control how models appear on admin pages. Admin actions allow performing the same operations on many objects at once.

1. The Django Admin Interface

2. Activate Django Admin Site Add 'django.contrib.admin' to your INSTALLED_APPS setting. Add - django.contrib.auth, django.contrib.contenttypes and django.contrib.messages. Add django.contrib.messages.context_processors.messagesto TEMPLATE_CONTEXT_PROCESSORS and django.contrib.messages.middleware.MessageMiddlewaretoMIDDLEWARE_CLASSES. Determine which of your application’s models should be editable in the admin interface. For each of those models, optionally create a ModelAdmin class that encapsulates the customized admin functionality and options for that particular model. Hook the AdminSite instance into your URLconf.

3. Exact Look

4. ModelAdmin The ModelAdmin class is the representation of a model in the admin interface. These are stored in a file named admin.py in your application. Eg : from django.contrib import admin from myproject.myapp.models import Author class AuthorAdmin(admin.ModelAdmin): // Attributes admin.site.register(Author, AuthorAdmin)

5. Behavior ModelAdmin.list_display fields are displayed on the change list page of the admin ModelAdmin.search_fields Set search_fields to enable a search box on the admin change list page ModelAdmin.ordering Set ordering to specify how lists of objects should be ordered in the Django admin views ModelAdmin.list_display_links Set list_display_links to control which fields in list_display should be linked to the "change" page for an object ModelAdmin.fields if you want to only show a subset of the available fields in the form ModelAdmin.exclude list of field names to exclude from the form

7. Behavior Eg class FlatPageAdmin(admin.ModelAdmin): fieldsets = ( (None, { 'fields': ('url', 'title', 'content', 'sites') }), ('Advanced options', { 'classes': ('collapse',), 'fields': ('enable_comments', 'registration_required', 'template_name') }), ) To display multiple fields on the same line: { 'fields': (('first_name', 'last_name'), 'address', 'city', 'state'), }

8. admin actions need to make the same change to many objects Eg Suppose you want to make all the cache’s status as True def make_published(modeladmin, request, queryset): queryset.update(status=True) make_published.short_description = "Mark selected stories as published“ The current ModelAdmin An HttpRequest representing the current request, A QuerySet containing the set of objects selected by the user.

9. admin actions def make_available(modeladmin, request, queryset): queryset.update(status=True) make_available.short_description = "Mark selected cache’s as available“ # Just add the actions in the admin model class ArticleAdmin(admin.ModelAdmin): list_display = ['title', 'status'] ordering = ['title'] actions = [make_available] Disable The Actions: admin.site.disable_action('delete_selected‘)

10. options A list of actions to make available on the change list page. ModelAdmin.actions_on_top ModelAdmin.actions_on_bottom Controls where on the page the actions bar appears. By default, the admin changelist displays actions at the top of the page (actions_on_top = True; actions_on_bottom = False). ModelAdmin.actions_selection_counter Controls whether a selection counter is display next to the action dropdown. By default, the admin changelist will display it (actions_selection_counter = True).

11. Hooking AdminSite into URLconf # urls.py from django.conf.urls.defaults import * from django.contrib import admin admin.autodiscover() urlpatterns = patterns('', (r'^admin/', include(admin.site.urls)),)

12. Hooking AdminSite into URLconf # urls.py from django.conf.urls.defaults import * from myproject.admin import admin_site urlpatterns = patterns('', (r'^myadmin/', include(admin_site.urls)), )

13. Multiple admin sites in the same URLconf # urls.py from django.conf.urls.defaults import * from myproject.admin import basic_site, advanced_site urlpatterns = patterns('', (r'^basic-admin/', include(basic_site.urls)), (r'^advanced-admin/', include(advanced_site.urls)), )

14. Assignments Study the following components ModelAdmin.filter_horizontal ModelAdmin.filter_vertical ModelAdmin.form ModelAdmin.formfield_overrides list_filter list_select_related prepopulated_fields ModelAdmin.radio_fields ModelAdmin.save_as ModelAdmin.save_on_top class InlineModelAdmin class TabularInline class StackedInline ModelAdmin.raw_id_fields

15. Thanks