#24861: Pass a queryset for each different field Admin Inlines
-------------------------------------+-------------------------------------
Reporter: unehub | Owner: nobody
Type: New feature | Status: new
Component: contrib.admin | Version: master
Severity: Normal | Resolution:
Keywords: admin, inlines, | Triage Stage:
forms, formsets | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by unehub):
* needs_better_patch: => 0
* needs_tests: => 0
* needs_docs: => 0
Old description:
> Pretend to have in the Django admin, 2 forms inlines, Each with a pair of
> fields choices, "Attributes" and "Value Option". We have the first pair,
> which initialize the field one with a value, for example color and other
> field you must have a queryset the choices.
>
> [[Image(http://i.stack.imgur.com/kk1xQ.png)]]
>
> As you can see We need to filter each pair with their default values, if
> Color should show only white, black and blue.
>
> {{{
> class ProductAttributeValueForm(forms.ModelForm):
> attribute = forms.ModelChoiceField(label=_('Attribute'),
> widget=forms.Select(attrs={'disabled': 'True'}),
> queryset=ProductAttribute.objects.all(), required=False)
>
> class ProductAttributeValueFormSet(BaseInlineFormSet):
>
> def __init__(self, *args, **kwargs):
> super(ProductAttributeValueFormSet, self).__init__(*args,
> **kwargs)
> # This return initial [{'attribute' initial}, {..}, {..}]
> self.initial = [{'attribute': a} for a in
> obj.category.attributes.all()]
> # Now we need to make a queryset to each field of each form
> inline
> self.queryset = [{'value_option' .. }, { .. }]
> }}}
>
> What I do is initialize each attribute with a value, for example, Color
> and passed a queryset to value_option with their respective values,
> white, blue and black. I have tried to do this two days ago and I have
> not accomplished anything, not if the solution is on the forms or in any
> function of admin.
>
> if I could just iterate a QuerySet each model choice of the form. The
> only thing achieved is that a queryset applies to all forms inline, but I
> need a different one for each inline.
>
> def formfield_for_foreignkey(self, db_field, request, **kwargs):
> if db_field.name == "value_option":
> kwargs["queryset"] = request._obj_.category.attributes.all()
> return super(AttributeInline,
> self).formfield_for_foreignkey(db_field, request, **kwargs)
>
> So, if you have Attribute: Color, Size, ROM, RAM, the ideal would happen
> to a custom list value_options each.
New description:
Pretend to have in the Django admin, 2 forms inlines, Each with a pair of
fields choices, "Attributes" and "Value Option". We have the first pair,
which initialize the field one with a value, for example color and other
field you must have a queryset the choices.
[[Image(http://i.stack.imgur.com/kk1xQ.png)]]
As you can see We need to filter each pair with their default values, if
Color should show only white, black and blue.
{{{
class ProductAttributeValueForm(forms.ModelForm):
attribute = forms.ModelChoiceField(label=_('Attribute'),
widget=forms.Select(attrs={'disabled': 'True'}),
queryset=ProductAttribute.objects.all(), required=False)
class ProductAttributeValueFormSet(BaseInlineFormSet):
def __init__(self, *args, **kwargs):
super(ProductAttributeValueFormSet, self).__init__(*args,
**kwargs)
# This return initial [{'attribute' initial}, {..}, {..}]
self.initial = [{'attribute': a} for a in
obj.category.attributes.all()]
# Now we need to make a queryset to each field of each form inline
self.queryset = [{'value_option' .. }, { .. }]
}}}
What I do is initialize each attribute with a value, for example, Color
and passed a queryset to value_option with their respective values, white,
blue and black. I have tried to do this two days ago and I have not
accomplished anything, not if the solution is on the forms or in any
function of admin.
if I could just iterate a QuerySet each model choice of the form. The only
thing achieved is that a queryset applies to all forms inline, but I need
a different one for each inline.
{{{
def formfield_for_foreignkey(self, db_field, request, **kwargs):
if db_field.name == "value_option":
kwargs["queryset"] = request._obj_.category.attributes.all()
return super(AttributeInline, self).formfield_for_foreignkey(db_field,
request, **kwargs)
}}}
So, if you have Attribute: Color, Size, ROM, RAM, the ideal would happen
to a custom list value_options each.
--
--
Ticket URL: <https://code.djangoproject.com/ticket/24861#comment:1>
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