Rails - May 2008 - need help with remote_form_for using onSelect instead of onSubmit

I''m building a calendar/scheduling application that has a bunch of
little pulldowns to let doctors note appointment status for a given
timeslot.  I got the ajax call working with a submitbutton - but I
really want it to update the database as soon as a doctor selects a
new value for the appointment status.

<% remote_form_for(slot.get_todays_appointment do |f| %>
	<%=h slot.get_todays_appointment.patient.first_last_name %>
 	<%= f.select :status, Appointment::STATUS_TYPES, :prompt => false %>
	<%= submit_tag "Update" %>
<% end %>

I''ve tried to use an observer tied to the drop-down but that keeps
returning ''null value''  and I''ve tried to use
everything I can think
of for the identifier ''appointment_status'' and
''appointment[status]''.
Here''s the HTML that the above ruby code generates:

<form action="/appointments/813" class="edit_appointment"
id="edit_appointment_813" method="post" onsubmit="new
Ajax.Request(''/
appointments/813'', {asynchronous:true, evalScripts:true,
parameters:Form.serialize(this) +
''&amp;authenticity_token='' +
encodeURIComponent(''3fd6efde2ce33fadfa8a695b23f6be6b67c111df'')});
return false;">
<div style="margin:0;padding:0">
    <input name="_method" type="hidden"
value="put" />
    <input name="authenticity_token" type="hidden"
value="3fd6efde2ce33fadfa8a695b23f6be6b67c111df" />
</div>
David Atkinson
<select id="appointment_status"
name="appointment[status]">
    <option value="">---</option>
    <option value="211"
selected="selected">211</option>
    <option value="213">213</option>
    <option value="214">214</option>
    <option value="215">215</option>
    <option value="PM">PaceMkr</option>
    <option value="HS">Hospital</option>
    <option value="NS">No Show</option>
    <option value="CX">Complic</option>
    <option value="SA">Schdl Abs</option>
</select>
<input name="commit" type="submit"
value="Update" />
</form>

So what am I doing wrong?  I just want to be able to have the form
submit onChange rather than having someone have to click a button.
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On 21 May 2008, at 05:14, ncancelliere wrote:
>
> I''m building a calendar/scheduling application that has a bunch of
> little pulldowns to let doctors note appointment status for a given
> timeslot.  I got the ajax call working with a submitbutton - but I
> really want it to update the database as soon as a doctor selects a
> new value for the appointment status.
>
> <% remote_form_for(slot.get_todays_appointment do |f| %>
> 	<%=h slot.get_todays_appointment.patient.first_last_name %>
> 	<%= f.select :status, Appointment::STATUS_TYPES, :prompt => false
%>
> 	<%= submit_tag "Update" %>
> <% end %>
>
>
> I''ve tried to use an observer tied to the drop-down but that keeps
> returning ''null value''  and I''ve tried to use
everything I can think
> of for the identifier ''appointment_status'' and
''appointment[status]''.
> Here''s the HTML that the above ruby code generates:
>
So they key bit here is the observer, but that''s the bit you
haven''t
shown :-). Alternatively stick an onChange on your select

Fred

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I figured it out -- you simply attach the observer ... I was making it
more complicated than it was.  Makes me love Rails all the more -- so
simple!

Nicholas

On May 21, 1:33 am, Frederick Cheung
<frederick.che...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> On 21 May 2008, at 05:14, ncancelliere wrote:
>
>
>
>
>
> > I''m building a calendar/scheduling application that has a
bunch of
> > little pulldowns to let doctors note appointment status for a given
> > timeslot.  I got the ajax call working with a submitbutton - but I
> > really want it to update the database as soon as a doctor selects a
> > new value for the appointment status.
>
> > <% remote_form_for(slot.get_todays_appointment do |f| %>
> >    <%=h slot.get_todays_appointment.patient.first_last_name %>
> >    <%= f.select :status, Appointment::STATUS_TYPES, :prompt =>
false %>
> >    <%= submit_tag "Update" %>
> > <% end %>
>
> > I''ve tried to use an observer tied to the drop-down but that
keeps
> > returning ''null value''  and I''ve tried to
use everything I can think
> > of for the identifier ''appointment_status'' and
''appointment[status]''.
> > Here''s the HTML that the above ruby code generates:
>
> So they key bit here is the observer, but that''s the bit you
haven''t
> shown :-). Alternatively stick an onChange on your select
>
> Fred
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