All,
I am trying to get a solution to the above problem, I am using a
onvalidation function. If have_coupon is checked then I call IS_NOT_EMPTY
and set the form.errors.coupon_code manually. This is not ideal but it
works.
However I cannot seem to get a work around for a dropdown input i.e.
IS_IN_SET as this is needed on the model to create the correct input but
inturn fails the processing of the form as onvalidation doesnot get called.
Any help would be great.
Regards,
James
On Wednesday, December 2, 2020 at 12:35:15 PM UTC+10 James O' Driscoll
wrote:
> Hello all,
>
> I have a question regarding conditional fields and using validators.
>
> Take the example from the book with a slight change:
>
> db.define_table('purchase', Field('have_coupon', 'boolean'),
> Field('coupon_code', requires=IS_NOT_EMPTY()))
>
> with controller:
>
> def index():
> db.purchase.coupon_code.show_if = (db.purchase.have_coupon==True)
> form = SQLFORM(db.purchase).process()
> return dict(form = form)
>
> show_if works well but if i need validators in place for when say
> have_coupon is true, to validate coupon_code I get an error when
> have_coupon is false as coupon_code is empty.
>
> I would prefer to keep the validator on the model, is there a way to
> accomplish this.
>
> Regards,
> James
>
>
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