Rails spinoffs - Feb 2007 - Ajax.Updater - link_to_remote of RoR

Hi, I have a doubt about the way that i can update a DOM Element of my
index.html when the page is loaded.

I''m kinda new in RoR and i only found the function link_to_remote that
does what i want, but it creates an <a> tag in the html that makes that
ajax call when i click, and this in not what i want.

Can anyone help me?

Sergio


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Hi,

In Scriptaculous controls.js I noticed a DelayedObserver, which is like 
Form.Element.Observer, but waits for delay after last key input. Ideal 
for live-search fields (that''s from comment).

Obviously very interesting function, but I don''t find any example of
how
to use it. Is anyone using it already? I''d like to use it just for
that:
live search field, which posts contents with short delay after last key 
press.

Best regards
Janko

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I managed to make an example use of DelayedObserver and I''d like to 
share  it with you:


<input id="id1" type="text" name="field1"
value=""/>

<script type="text/javascript">
     new Form.Element.DelayedObserver ("id1", 0.5,
         function ()
           {new Ajax.Updater(''id2'',
''/url-for-me.html'',
             {method: ''post'',
              postBody: ''field1=''+$F
(''id1''),
	     evalScripts: true});
            });
</script>

<!-- element to update -->
<div id="id2">
...
</div>

I got and idea from a Benjamin David''s blog and I''d like to
thank him
for that:

http://www.nyxen.net/archives/2006/10/28/spy-v2-exemple-ajax-avec-scriptaculous/

Best regards
Janko

Janko Mivšek wrote:
> Hi,
> 
> In Scriptaculous controls.js I noticed a DelayedObserver, which is like 
> Form.Element.Observer, but waits for delay after last key input. Ideal 
> for live-search fields (that''s from comment).
> 
> Obviously very interesting function, but I don''t find any example
of how
> to use it. Is anyone using it already? I''d like to use it just for
that:
> live search field, which posts contents with short delay after last key 
> press.
> 
> Best regards
> Janko
> 
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Very cool, but how would one use it with Form.Observer? It seems like this
would have to involve overriding Form.serialize but Form.Methods is over my
head. Anyone see an elegant way to do this?

On 2/7/07, Janko Mivšek
<janko.mivsek-E3fUNmXwn2NDlGyqqv13OA@public.gmane.org>
wrote:
>
>
> I managed to make an example use of DelayedObserver and I''d like
to
> share  it with you:
>
>
> <input id="id1" type="text" name="field1"
value=""/>
>
> <script type="text/javascript">
>      new Form.Element.DelayedObserver ("id1", 0.5,
>          function ()
>            {new Ajax.Updater(''id2'',
''/url-for-me.html'',
>              {method: ''post'',
>               postBody: ''field1=''+$F
(''id1''),
>              evalScripts: true});
>             });
> </script>
>
> <!-- element to update -->
> <div id="id2">
> ...
> </div>
>
> I got and idea from a Benjamin David''s blog and I''d like
to thank him
> for that:
>
>
>
http://www.nyxen.net/archives/2006/10/28/spy-v2-exemple-ajax-avec-scriptaculous/
>
> Best regards
> Janko
>
> Janko Mivšek wrote:
> > Hi,
> >
> > In Scriptaculous controls.js I noticed a DelayedObserver, which is
like
> > Form.Element.Observer, but waits for delay after last key input. Ideal
> > for live-search fields (that''s from comment).
> >
> > Obviously very interesting function, but I don''t find any
example of how
> > to use it. Is anyone using it already? I''d like to use it
just for that:
> > live search field, which posts contents with short delay after last
key
> > press.
> >
> > Best regards
> > Janko
> >
>
> >
>

-- 
-=jack[turner-fBgUz5AM8P2sTnJN9+BGXg@public.gmane.org]

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