figured out how to do it using the get_form method like this:
class AccessoryStockOrderAdmin(admin.ModelAdmin):
form = AccessoryStockOrderForm
def get_form(self, request, obj=None, **kwargs):
form = super(AccessoryStockOrderAdmin, self).get_form(request,
obj, **kwargs)
if obj == None:
del form.base_fields['cancelled']
return form
On 28 Feb, 13:00, Simon Davies <simon...@gmail.com> wrote:
> Hi
>
> I have a model which I access from the admin application. I want to
> exclude some fields dynamically.
>
> My model looks like this:
>
> class StockOrder(models.Model):
> number_of_items_pending_order =
> models.PositiveIntegerField(max_length=5, default=1)
> number_of_items_ordered = models.PositiveIntegerField(max_length=5,
> default=1)
> number_of_items_delivered = models.PositiveIntegerField(max_length=5,
> default=1)
> order_date = models.DateTimeField(auto_now_add=True,
> verbose_name=u'Date ordered')
> confirmed = models.BooleanField(default=False)
> confirmed_date = models.DateTimeField(verbose_name=u'Date confirmed',
> null=True, blank=True)
> cancelled = models.BooleanField(default=False)
> cancel_date = models.DateTimeField(verbose_name=u'Date cancelled',
> null=True, blank=True)
> completed = models.BooleanField(default=False)
> completion_date = models.DateTimeField(verbose_name=u'Date
> completion', null=True, blank=True)
>
> I want to exclude some fields depending on the state of others. So if
> completed is True I don't want to see the confirmed or cancelled
> flags.
>
> The options to exclude fields I understand are:
>
> 1: ModelAdmin.exclude attribute in admin.py. I can't see how this
> can be manipulated dynamically however.
>
> 2. I create my own Modelform and set the form attribute in admin.py
> to the modelform, the modelform will look something like this:
>
> class StockOrderForm(ModelForm):
> class Meta:
> model = StockOrder
> exclude = ('cancelled',)
>
> However I run into the same problem as in 1, how can I manipulate the
> exclude parameter. Is it possible to do so in __init__?
>
> Thanks
>
> Simon
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