Thanks,
My Media_biz is edited inline in another class. So I have:
class MetadataInline(admin.StackedInline) and
class MetadataAdmin(admin.ModelAdmin)
Can you tell what method I should override and in which class in order
to set the initial value while editing inline?
Regards, Alex Arshavski.
On Feb 5, 11:21 pm, Rajesh Dhawan <rajesh.dha...@gmail.com> wrote:
> > > > I have the following classes in my models.py:
>
> > > > class Default(models.Model):
> > > > name = models.CharField(max_length=50, choices =
> > > > (('rental_period', 'rental_period'), ('currency', 'currency')),
> > > > unique=True)
> > > > value = models.CharField(max_length=50)
>
> > > > class Media_biz(models.Model):
> > > > name = models.CharField(max_length=50)
> > > > currency = models.ForeignKey(Currency)
> > > > rental_period = models.CharField(max_length=5, blank=True,
> > > > null=True)
>
> > > > What I want is:
> > > > When I add new Media_biz in my admin page, I want to check if there is
> > > > a Default object with the name "currency" or "rental_period" and take
> > > > it's value as default.
>
> > > You want to take its value as default for what field of Media_biz? And
> > > if you have two Default instances (one for currency and another for
> > > rental_period), which one provides the default value?
> > Each Default instance provide default value for one of the fields:
> > I want to take the default value of rental_period to rental_period and
> > default value of currency to currency.
> > The value of the currency should be the name of Currency object for
> > foreign key.
>
> You can override your Media_biz admin model's get_form method and
> inject your initial values. It would be something like this:
>
> def get_form(self, request, obj=None, **kwargs):
> form = super(YourMedia_bizAdmin, self).get_form(request, obj,
> **kwargs)
> try:
> currency_default = Default.objects.get(name='currency')
> currency = Currency.objects.get(name=currency_default.value)
> form.fields['currency'].initial = currency.pk
> except Default.DoesNotExist:
> pass
> try:
> rental_default = Default.objects.get(name='rental_period')
> form.fields['rental_period'].initial = rental_default.value
> except Default.DoesNotExist:
> pass
> return form
>
> -RD
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