Rails - Jan 2006 - link_to_remote where the url contain a javascript variable

Ok, so I am basically trying to use ''link_to_remote'' and pass
the value
of a javascript variable as an argument. Something like that:

   link_to_remote "my_link",
                          :update => ''my_div'',
                          :url => { :action => "my_action", :var
=>
''my_var'' }

Basically, ''my_var'' is a javascript variable which I want to
pass to
''my_action''.

This, of course generates:
    <a href="#" onclick="new
Ajax.Updater(''my_div'',
''/xyz/my_action?var=my_var'', {asynchronous:true,
evalScripts:true});
return false;">my_link</a>

But what I really want is this:
    <a href="#" onclick="new
Ajax.Updater(''my_div'',
''/xyz/my_action?var='' + my_var, {asynchronous:true,
evalScripts:true});
return false;">my_link</a>

Notice the difference in the url:
   ''/slides/my_action?var=my_var''
vs:
   ''/slides/my_action?var='' + my_var
(I the second case, my_var is a javascript variable which gets appended 
to the url)

I tried everything I could think of (escaping, etc...), but nothing 
worked. Looking at the code, ''link_to_remote'' call
''remote_function'',
which eventually has this line:
  279:         function <<
"''#{url_for(options[:url])}''"

And the function ''url_for'' is going to try to url-encode
whatever I pass
to it... so whatever I try to escape gets ''url-encoded'' and
there is
nothing I can do...


Can anybody think of a solution for this ? (I can always write the 
javascript on my own, but it is not as cool as using some rails features 
:-)

-Didier

-- 
Posted via http://www.ruby-forum.com/.

Ok, so after thinking for some time, I came up with this SUPER UGLY 
solution:

  <%= form_remote_tag :update => ''my_div'',
         :before => "$(''hidden_tag'').value =
my_var",
         :url => { :action => "my_action" } %>
  <%= hidden_field_tag ''my_var'', 0, :id =>
''hidden_tag'' %>
  <%= submit_tag ''Go'' %>
  <%= end_form_tag %>

The idea is to submit a form with a hidden field which gets updated 
right before you submit (with the value of ''my_var''), but this
is so
ugly... I am ashamed of myself :-)

Somebody''s got to have a better solution for this...

-Didier

-- 
Posted via http://www.ruby-forum.com/.

Didier Prophete wrote:
> Ok, so I am basically trying to use ''link_to_remote'' and
pass the value
> of a javascript variable as an argument. Something like that:
> 
>    link_to_remote "my_link",
>                           :update => ''my_div'',
>                           :url => { :action => "my_action",
:var =>
> ''my_var'' }
> 
> Basically, ''my_var'' is a javascript variable which I want
to pass to
> ''my_action''.
Add a

       :with => ''my_var''

option to your link_to_remote call and retrieve it in your
controller using request.raw_post

-- 
We develop, watch us RoR, in numbers too big to ignore.

Mark,

u the man !!
thanks a bunch bro.

-Didier

-- 
Posted via http://www.ruby-forum.com/.