I may be asking a very dumb question, but I thought it’d be worth the
asking…
I’m using JQuery to dynamically create some form fields for entering
phone
numbers… Basically just two fields… One for the number, and a select
field so that the user can choose whether it’s a Home/Work/etc. number.
My Phone Number Categories (Home/Work/etc.) are stored in the
database… Is
there any way for JQuery to access the @phone_number_categories Rails
variable from within the JavaScript code to create the select?
–
Joshua S. Martin
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You can’t access that variable directly from jQuery because jQuery is
Javascript running in the browser and @phone_number_categories is Ruby
running on the server. If you want to do all this on the client side
then
you can save the categories into a Javascript variable that is in scope
with
the jQuery code. You can store them in an array or JSON object or an
array
of JSON objects or what ever makes the most sense.
Thanks Anthony! Your suggestion to use Rails’ to_json method was right
on
target…
I ended up creating a controller for the PhoneNumberCategory and added
the
to_json format on it’s index method. This way, my JQuery script can do a
JSON request and then dynamically create a select based on the results.
Then, when the user is ready to save, I get the phone numbers using the
params, automagically populated by Rails…
Actually, my prior method was to use a link_to_remote, a partial, some
controller methods to put an array of phone number hashes in the
session,
and other various things… But this was just way too much to maintain
and
was really kinda slow… I guess Rails has spoiled me in the fact that
I’ve
come to expect an easier way to do things - and coming from a Java/.NET
background makes it all a bit of a vacation (:
Thanks again for your help - it’s people like you that make me excited
about
using/continuing to learn Rails! Bless you!
My Phone Number Categories (Home/Work/etc.) are stored in the
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