Rails - May 2010 - how to handle remote_form_tag post either by i) ajax or ii) redirection

Hi,

I have non-model custom validation for a data input to a certain
remote_form_tag view. I''d like to have differential responses in the
controller in the following cases:

1) when remote_form_tag post results fail validation, the form view is
updated from the controller, as by the following:

      render :update do |page|
         page.replace_html ''errors'', :partial =>
"iod_errors"
      end

2) when the remote_form_tag post results passes validation, the
controller redirects to another action or view, as in the following:

      redirect_to passed_validation_url

Unfortunately, using the following simple parameterization of
form_remote_tag,

     <% form_remote_tag :url=>create_iod_url do %>
           ...

I am succesful in my case 1), but nothing happens at all in my case
2).

Any suggestions?

Thanks,

Lille

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On May 25, 6:01 pm, Lille
<lille.pengu...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:
> I am succesful in my case 1), but nothing happens at all in my case
> 2).
If your form is expecting rjs then you need to give it rjs (eg
page.redirect_to).

Fred

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Fred,

Thanks, that worked great.

I don''t understand why the form is expecting anything after it has
submitted to the controller, i.e., I don''t understand that a
remote_form_tag handles redirect_to calls. Maybe I don''t get where RJS
is ''taking place''.

For the record the solution snippet sequence is as follows:

[controller action: case 1]

      render :update do |page|
         page.replace_html ''errors'', :partial =>
"iod_errors"
      end

[controller action: case 2]

      render :update do |page|
         page.redirect_to passed_validation_url
      end

[form_remote_tag]

     <% form_remote_tag :url=>create_iod_url do %>

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On May 25, 6:23 pm, Lille
<lille.pengu...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Fred,
>
> Thanks, that worked great.
>
> I don''t understand why the form is expecting anything after it has
> submitted to the controller, i.e., I don''t understand that a
> remote_form_tag handles redirect_to calls. Maybe I don''t get where
RJS
> is ''taking place''.
What rjs means is that a response consisting entirely of javascript is
generated. Ajax requests in prototype come in two flavours: Either
they expect to get a fragment of html back which they insert into a
specific place in the DOM or they expect to get some javascript back
in which case they execute it. Stuff like link_to_remote and
remote_form_for will create the former (Ajax.Updater) if you supply
an :update option (the id of the element to update) and an
Ajax.Request if not

Fred

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