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<?php
/**
* Horde_Form_Action_conditional_enable is a Horde_Form_Action that
* enables or disables an element based on the value of another element
*
* Format of the $params passed to the constructor:
* <pre>
* $params = array(
* 'target' => '[name of element this is conditional on]',
* 'enabled' => 'true' | 'false',
* 'values' => array([target values to check])
* );
* </pre>
*
* So $params = array('foo', 'true', array(1, 2)) will enable the field this
* action is attached to if the value of 'foo' is 1 or 2, and disable it
* otherwise.
*
* $Horde: framework/Form/Form/Action/conditional_enable.php,v 1.4.10.3 2006/01/01 21:28:17 jan Exp $
*
* Copyright 2002-2006 Matt Kynaston <matt@kynx.org>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Matt Kynaston <matt@kynx.org>
* @package Horde_Form
*/
class Horde_Form_Action_conditional_enable extends Horde_Form_Action {
var $_trigger = array('onload');
function getActionScript(&$form, $renderer, $varname)
{
Horde::addScriptFile('form_helpers.js', 'horde', true);
$form_name = $form->getName();
$target = $this->_params['target'];
$enabled = $this->_params['enabled'];
if (!is_string($enabled)) {
$enabled = ($enabled) ? 'true' : 'false';
}
$vals = $this->_params['values'];
$vals = (is_array($vals)) ? $vals : array($vals);
$args = "'$varname', $enabled, '" . implode("','", $vals) . "'";
return "if (addEvent(document.$form_name.$target, 'onchange', \"checkEnabled(this, $args);\")) { "
. " checkEnabled(document.$form_name.$varname, $args); "
. '};';
}
}
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