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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