bump!!
On Thursday, October 29, 2015 at 11:40:32 PM UTC-4, dc wrote:
>
> I have declared a charfield 'choice_text' in one of my models. I want to
> convert it to a dropdown box in django admin. The choices in the dropdown
> list depend on user input to a textbox defined in another model class. I
> have a javascript (declared as Media class inside a ModelAdmin class) that
> reads user input in the textbox. But I am unable to this choice list back
> from .js file to django admin. How do I do that? Thanks in advance.
>
> I have tried this.
>
> *models.py*
> class Routing(models.Model):
> choice_text = models.CharField(_('Choices'), max_length=100,
> default="(any)", null=False)
>
> *admin.py*
> class AdminRoutingInlineForm(forms.ModelForm):
> def __init__(self, *args, **kwargs):
> super(AdminRoutingInlineForm, self).__init__(*args, **kwargs)
> CHOICES = [('a', 'any'),('b', 'blah'),] * // override this
> with choices from populate_dropdown.js (code below)*
> self.fields['choice_text'].choices = CHOICES
>
> class RoutingInlineAdmin(StackedInline):
> form = AdminRoutingInlineForm
> fields = (('choice_text', 'next'),)
> model = Routing
>
>
> class FormModelAdmin(ModelAdmin):
> inlines = [RoutingInlineAdmin]
>
> class Media:
> js= ("sforms/admin/populate_dropdown.js",)
>
>
> *populate_dropdown.js*
> (function($) {
> $(document).ready(function() {
>
> $("[id^=id_fields-][id$=_options_0]").each(function(){ * //
> user input from this field will be used as choices*
> choices = '(any),' + $(this).val().split("\n");
> alert(choices);
>
> *// send this choices back to admin.py and override CHOICES
> in AdminRoutingInlineForm class*
> });
> });
>
>
>
>
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