On Sun, Aug 9, 2009 at 5:09 PM, Persivo Cunha<[email protected]> wrote:
>
> Hi, I have two form->select and i want that after option of one be
> choice, values of other select change.
>
> For example,
>
> select 1:
> option: A
> option: B
>
> if I choose option A, select 2 will show C and D
> if I choose option B, select 2 will show E and F
>
> what should I do?
Check the ajax helper observeField.
An ilustrative non-tested example:
[form view]
<?php echo $form->select('Model.select1', array('A', 'B')); ?>
<select id="select2">
</select>
<?php echo $form->observeField('ModelSelect1', array(
'update'=> 'select2'
, 'url'=> '/your/action'
)); ?>
[your controller]
function action() {
if( !empty($this->data) ) {
if( $this->data['Model']['select1'] == 'A' )
$options= array('C', 'D');
elseif( $this->data['Model']['select1'] == 'B' )
$options= array('E', 'F');
}
$this->set(compact('options'));
}
[you action-view]
<?php foreach($options as $option): ?>
<option id="<?php echo key($option); ?>">
<?php echo current($option); ?>
</option>
<?php endforeach; ?>
I hope it helps.
Best regards.
--
MARCELO DE F. ANDRADE
Belem, PA, Amazonia, Brazil
Linux User #221105
http://mfandrade.wordpress.com
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