Re: How to replace content_type and object_id fields by a field with actual object in admin inline?

[Anton Ponomarenko]

Found solution.


Add form to admin.TabularInline:

class CriteriaPlacesInlineAdmin(admin.TabularInline):
model = PlacesToCriterias
form = CriteriaPlacesChoicesFieldForm  # <- ADDED FORM
class CriteriasAdmin(admin.ModelAdmin):
inlines = [CriteriaPlacesInlineAdmin]

admin.site.register(Criterias, CriteriasAdmin)


Form:

class CriteriaPlacesChoicesFieldForm(forms.ModelForm):
ct_place_type = ContentType.objects.get_for_model(PlaceTypesGroups)

object_id = forms.ModelChoiceField(PlaceTypesGroups.objects.all(), 
label='places')
content_type = forms.ModelChoiceField(ContentType.objects.all(), 
initial=ct_place_type, widget=forms.HiddenInput())

def clean_object_id(self):
return self.cleaned_data['object_id'].pk

def clean_content_type(self):
return self.ct_place_type

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Re: How to replace content_type and object_id fields by a field with actual object in admin inline?

[Tim Graham]

Something like https://pypi.python.org/pypi/django-genericforeignkey? 
Search "django admin generic foreign key widget" for other possibilities.

On Friday, October 14, 2016 at 10:42:40 AM UTC-4, Anton Ponomarenko wrote:
>
> I have inline, which shows data of contenttype model, so instead of real 
> objects, I see content_type and object_id fields. I can exclude these 
> fields - this is not a problem, but also I want to get real current object 
> as selected with other Places in a dropdown list. Could anyone tell me, 
> how can I do this?
>
>
> Model:
>
> class Criterias(models.Model):
> name = ...
> class Places(models.Model):
> name = ...
> class PlacesToCriterias(models.Model):
> content_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
> object_id = models.PositiveIntegerField()
> content_object = GenericForeignKey()
>
> criteria_group = models.ForeignKey(Criterias)
>
> Admin:
>
> class CriteriaPlacesInlineAdmin(admin.TabularInline):
> model = PlacesToCriterias
> class CriteriasAdmin(admin.ModelAdmin):
> inlines = [CriteriaPlacesInlineAdmin]
>
> admin.site.register(Criterias, CriteriasAdmin)
>
> I can add to CriteriaPlacesInlineAdmin a form, something like:
>
> class CriteriaPlacesChoicesFieldForm(forms.ModelForm):
> places = forms.ModelChoiceField(PlaceTypesGroups.objects.all(), 
> label='place')
>
> but how can I pass\add object_id to this form\query in order to get 
> 'selected' place in the dropdown list?
>

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