Rails - Sep 2007 - Is there a Rails helper similar to link_to_remote but for a form check box instead of a link?

I''m working on a couple of user input forms -- one data entry, one
search -- where I''d like to start off by displaying only top-level
categories. Then, if a user checked one of the top-level categories,
all the child categories would show for that top-level one.
(Displaying all the child categories for every parent would be a bit
overwhelming, it''s a large list.)

I can see how to do this by making the category name a clickable link,
and using link_to_remote, but that''s not an expected UI for a form.
I''d rather use a check box, but I''d like to avoid trying to
write my
own non-Rails-assisted Ajax from scratch if possible.

Thanks.


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On 9/26/07, Sharon Machlis
<smachlis-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
>
> I''m working on a couple of user input forms -- one data entry, one
> search -- where I''d like to start off by displaying only top-level
> categories. Then, if a user checked one of the top-level categories,
> all the child categories would show for that top-level one.
> (Displaying all the child categories for every parent would be a bit
> overwhelming, it''s a large list.)
>
> I can see how to do this by making the category name a clickable link,
> and using link_to_remote, but that''s not an expected UI for a
form.
> I''d rather use a check box, but I''d like to avoid trying
to write my
> own non-Rails-assisted Ajax from scratch if possible.
You can use the #remote_function helper that generates the javascript
that #link_to_remote uses:

<%= check_box_tag :foo, ''1'', params[:foo], :onclick =>
remote_function(:url => ...) %>


-- 
Rick Olson
http://lighthouseapp.com
http://weblog.techno-weenie.net
http://mephistoblog.com

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