#28476: Difficulty getting filter_horizontal to extend to the InlineModelAdmin
object in admin?
-------------------------------------+-------------------------------------
Reporter: bbiney1 | Owner: nobody
Type: Bug | Status: new
Component: | Version: 1.11
contrib.admin | Keywords: inlinemodeladmin
Severity: Normal | admin
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I'm kind of surprised at how I haven't been able to find an example or
very much discussion of someone applying filter_horizontal to an
InlineModelAdmin object. I did see one report from 9 or so years ago of
someone acknowledging a bug wit the feature, but that was resolved. I'm
posting this ticket to simply ask again because at this point i really
don't know how I'm supposed to use this really helpful feature.
For full context, I have two models. One called Statement and one called
Keyword. Each Keyword object has a m2m with a Statement, so a statement
can have many keywords. I would like to, in the admin change page for
statements, give the user the ability to add or remove keywords from a
statement. So inlines are the obvious answer.
But there are a lot of Keyword objects, so the drop down scrollable menu
that is automatically rendered by django isn't usable for me.
Filter_horizontal would be ideal.
But I've been trying to get this to work and it seems like I just can't
find the syntax to do it. Here's my code block for both of the models and
their presentation in admin.
{{{
@python_2_unicode_compatible
class Keyword(models.Model):
word = models.CharField(max_length=200)
statement = models.ManyToManyField(Statement)
def __str__(self):
return self.word
@python_2_unicode_compatible
class Statement(models.Model):
statement_id = models.CharField(max_length=200)
title = models.CharField(max_length=200)
issue_date = models.DateField("Issue-Date")
author = models.ForeignKey(Person)
released_by = models.ForeignKey(Organization)
keywords = models.ManyToManyField('KeywordInContext')
class KeywordInline(admin.TabularInline):
model = Keyword.statement.through
class KeywordAdmin(admin.ModelAdmin):
filter_horizontal = ('statement',)
class StatementAdmin(admin.ModelAdmin):
inlines = [ KeywordInline,]
}}}
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Ticket URL: <https://code.djangoproject.com/ticket/28476>
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