On 11/05/2006, at 18:43, mulicheng wrote:
>
> Interesting, at this point, I just put the form on my template for the
> page. I suppose that doesn't work very well for Re-Use if I want to
> use the form somewhere else again though.
>
> I do have a case where I have a Billing and Shipping Address that
> might
> be possible to be re-used. Would it be possible to create a Form that
> is simply an address and then nest two of those widgets inside another
> form? There would have to be a way to not require all of the shipping
> address fields if the user checks a box stating that the addresses are
> the same. I've seen a little conversation on the list about nested
> values/forms but it isn't very clear how one would set something like
> that up.
You're definetily getting it... ;) Yep, this is the whole point about
widgets... easier reuse.
You can't actually nest a form inside another form, well, maybe you
can, but I'm 99% sure most browser will scream. You can, however,
factor out complex related fields into a compound widget you can reuse.
Take a look at AutoCompleteField, which is a compound field with two
child fields: a hidden 'id' and the text you see.
Or at this selectshuttle (soon to be merged with Godoys) http://
tinyurl.com/kanw5. This one has a handful of hidden fields for all
the data the javascript can provide
If you're needs are not very sophisticated, maybe a plain ol'
Fieldset will serve you best.
One *important* thing to note regarding compound input fields (Form,
Fieldset, etc), they will submit a *dict* to your controller:
class MyForm(Form):
fields = [
TextName("name"),
FieldSet("data", fields=[
TextField("foo", validator=Int()),
TextField("bar"),
]
]
@validate(form=MyForm())
@expose()
def process_form(self, name, data):
assert isinstance(name, basestring)
assert isinstance(data, dict)
assert isinstance(data['foo'], int)
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