[Catalyst] html::prototype syntax in new Cat version

[Will Smith]

Hi,
  This might be a pain in the neck to someone but please be patient if you read the mail. I having prob with Html::Prototype with Catalyst. It works like a champ with older version of Cat, but in the current version, the syntax might be a bit changed and I just cannot get it.
  I just tried a little test code posting in the Html::Prototype:
   
  On my template:
   
          <% $c->prototype->define_javascript_functions %>
          <form action="/bar" method="post" id="baz">
        <fieldset>
                <legend>Type search terms</legend>
                <label for="acomp"><span class="field">Search:</span></label>
                <input type="text" name="acomp" id="acomp"/>
                <span style="display:none" id="acomp_stat">Searching...</span><br />
        </fieldset>
        </form>
          <span id="acomp_auto_complete"></span><br/>
          <% $c->prototype->auto_complete_field( 'acomp', { url => 'chain/autocomplete', indicator => 'acomp_stat' } ) %>
   
  ------
   
  and in my controller
   
  sub autocomplete : Global {
        my ( $self, $c ) = @_;
        my @items = qw/foo bar baz/;
        $c->res->body( $c->prototype->auto_complete_result(\@items) );
}
   
  -------
   
  I hope that someone has been using this auto_complete, and observe_field method in Catalyst would help me.
  I have read this http://dev.catalystframework.org/wiki/Guides/AJAX/SelectChaining , and also got syntax prob, because it shows no action at all
   
   Thank you for you help and your patience 

       
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