You might want to have a look to this :
http://rabaix.net/en/articles/2009/02/23/let-s-be-more-dynamic-with-sf-form
I need to blog more about this ....
On Mon, Jul 13, 2009 at 2:55 PM, cleve <cleve...@gmail.com> wrote:
>
> Ok this is how I did it, but everything is outside a form / table
> class:
>
> Partial to override default admin generator field venue_id
> _venue_id.php
> ------------------------
>
> <?php use_helper('Javascript')?>
>
> <div class="sf_admin_form_row sf_admin_foreignkey">
> <?php echo $form['venue_id']->renderError() ?>
> <div>
> <?php echo $form['venue_id']->renderLabel('Venue') ?>
>
> <?php
> $w = new sfWidgetFormDoctrineChoice(array('model' => 'District',
> 'add_empty' => '--Filter by District--'));
> echo $w->render('district_id', null, array('id' =>
> 'district'));
> ?>
>
> <?php echo observe_field('district', array(
> 'update' => 'district-select',
> 'url' => '/admin.php/course/selectVenue',
> 'with' => "'district=' + value",
> 'loading' => "Element.show('indicator');Element.hide('gp-
> select')",
> 'complete' => "Element.hide('indicator');Element.show('gp-
> select')",
> )) ?>
>
> »
> <span id="district-select"><?php echo $form['venue_id']->render
> ($attributes) ?></span>
>
> <div id="indicator" style="display: none"></div>
>
> </div>
> </div>
>
>
> AJAX action to return filtered select
> ---------------------------------------------------
>
> public function executeSelectVenue($request){
>
> $this->forward404Unless($request->isXmlHttpRequest());
> $this->forward404Unless($request->hasParameter('district'));
>
> $q = Doctrine_Query::create()
> ->from('Venue v')
> ->where('v.district_id = ?', $request->getParameter('district'));
>
> $w = new sfWidgetFormDoctrineChoice(array('model' => 'Venue',
> 'query' => $q));
> return $this->renderText($w->render('course[venue_id]'));
>
> }
>
>
> It feels odd to create widgets in the partial / action but overkill to
> create an additional class? What does everyone think?
>
> I'll make a snipeet of this when its tidy! (and Refactored
> properly :-)
>
> John
> >
>
--
Thomas Rabaix
http://rabaix.net
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