ManyToMany widget in admin - the "user - permission way.."

[Anders]

Hi.

In the users admin of Django admin there is a nice way of selecting
permissions for each user by adding and removing permissions from a
list of available permissions. (<div class="selector">)

I have models set up similar to the ones used for users and
permissions, but I am not able to get the nice "select from list on
left side and add to right side"-widget. I only get a normal multi-
select box.

My models could look like this:

class Interest(models.Model):
name= models.CharField(max_length=255)

class Person(models.Model):
name= models.CharField(max_length=255)
.....
interests = models.ManyToManyField(Interest)

How can I get the fancy manytomany-widget in the Person admin?

thanks

Anders

[Daniel Roseman]

Specify a 'filter-horizontal' tuple in the admin model declaration:
http://docs.djangoproject.com/en/dev/ref/contrib/admin/#filter-horizontal
--
DR.

[Allan Nava]

I have this error:

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f2fa8d646a8>

Traceback (most recent call last):

  File "/usr/local/lib/python3.5/dist-packages/django/utils/autoreload.py", line 228, in wrapper

    fn(*args, **kwargs)

  File "/usr/local/lib/python3.5/dist-packages/django/core/management/commands/runserver.py", line 125, in inner_run

    self.check(display_num_errors=True)

  File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 405, in check

    raise SystemCheckError(msg)

django.core.management.base.SystemCheckError: SystemCheckError: System check identified some issues:

ERRORS:

<class 'bootcamp.groups_manager.admin.GroupAdmin'>: (admin.E001) The value of 'raw_id_fields' must be a list or tuple.


this is my admin.py

from django.contrib import admin

from bootcamp.groups_manager.models import Group, Member, GroupType, GroupEntity, GroupMember, GroupMemberRole

from guardian.admin import GuardedModelAdmin

# With object permissions support

class GroupAdmin(GuardedModelAdmin):

#fields = ('group_members', 'django_group')

raw_id_fields = ('group_members')

#search_fields = ('group_members', 'django_group')

pass

#admin.site.register(models.Group)

admin.site.register(Group, GroupAdmin)

admin.site.register(Member)

admin.site.register(GroupType)

admin.site.register(GroupEntity)

admin.site.register(GroupMember)

admin.site.register(GroupMemberRole) 

[Matemática A3K]

I have this error:

Unhandled exception in thread started by <function check_errors.<locals>.wrapper at 0x7f2fa8d646a8>

Traceback (most recent call last):

  File "/usr/local/lib/python3.5/dist-packages/django/utils/autoreload.py", line 228, in wrapper

    fn(*args, **kwargs)

  File "/usr/local/lib/python3.5/dist-packages/django/core/management/commands/runserver.py", line 125, in inner_run

    self.check(display_num_errors=True)

  File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 405, in check

    raise SystemCheckError(msg)

django.core.management.base.SystemCheckError: SystemCheckError: System check identified some issues:

ERRORS:

<class 'bootcamp.groups_manager.admin.GroupAdmin'>: (admin.E001) The value of 'raw_id_fields' must be a list or tuple.


this is my admin.py

Because for making a tuple of one element you need a trailing comma, otherwise it is just a string, see below:

 

from django.contrib import admin

from bootcamp.groups_manager.models import Group, Member, GroupType, GroupEntity, GroupMember, GroupMemberRole

from guardian.admin import GuardedModelAdmin

# With object permissions support

class GroupAdmin(GuardedModelAdmin):

#fields = ('group_members', 'django_group')

raw_id_fields = ('group_members', )

#search_fields = ('group_members', 'django_group')

pass

#admin.site.register(models.Group)

admin.site.register(Group, GroupAdmin)

admin.site.register(Member)

admin.site.register(GroupType)

admin.site.register(GroupEntity)

admin.site.register(GroupMember)

admin.site.register(GroupMemberRole) 

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