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Orderable change lists and inlines done right^Wsimple

Project description

==============================================================================
django-admin-ordering -- Orderable change lists and inlines done right^Wsimple
==============================================================================

.. image:: https://travis-ci.org/matthiask/django-admin-ordering.svg?branch=master
:target: https://travis-ci.org/matthiask/django-admin-ordering

Please refer to the Travis CI build linked above for the currently
supported combinations of Python and Django.


Installation
============

``pip install django-admin-ordering``, and add ``admin_ordering`` to
``INSTALLED_APPS``.


Usage
=====

First, you need a model ordered by an integer field.


Orderable change lists
~~~~~~~~~~~~~~~~~~~~~~

::

from admin_ordering.admin import OrderableAdmin

@admin.register(MyModel)
class MyModelAdmin(OrderableAdmin, admin.ModelAdmin):
# The field used for ordering. Prepend a minus for reverse
# ordering: '-order'
ordering_field = 'order'

# You may optionally hide the ordering field in the changelist:
# ordering_field_hide_input = False

# The ordering field must be included both in list_display and
# list_editable:
list_display = ('name', 'order', )
list_editable = ('order', )


Orderable inlines
~~~~~~~~~~~~~~~~

::

from admin_ordering.admin import OrderableAdmin

class MyModelTabularInline(OrderableAdmin, admin.TabularInline):
model = MyModel

# You have to set the name of the parent foreign key yourself:
fk_name = 'parent'

# Same as above; '-order' is also allowed here:
ordering_field = 'order'
# ordering_field_hide_input = False

``OrderableAdmin`` comes with a default of ``extra = 0`` (no extra
empty inlines shown by default). It is strongly recommended to leave the
changed default as-is, because otherwise you'll end up with invalid
inlines just because you wanted to change the ordering.


Limitations
===========

- Starting with Django 1.9 newly created inlines are automatically assigned
a good ordering value. Earlier versions do not support the required
``formset:added`` signal.
- ``OrderableAdmin`` can be used both for inlines and parents, but this
also means that you cannot register a model directly with
``OrderableAdmin``.


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