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<?php
/**
* Horde_Form_Action_sum_fields is a Horde_Form_Action that sets the target
* field to the sum of one or more other numeric fields.
*
* The params array should contain the names of the fields which will be
* summed.
*
* $Horde: framework/Form/Form/Action/sum_fields.php,v 1.5.10.4 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_sum_fields extends Horde_Form_Action {
var $_trigger = array('onload');
function getActionScript(&$form, $renderer, $varname)
{
Horde::addScriptFile('form_helpers.js', 'horde', true);
$form_name = $form->getName();
$fields = "'" . implode("','", $this->_params) . "'";
$js = array();
$js[] = sprintf('document.forms[\'%s\'].elements[\'%s\'].disabled = true;',
$form_name,
$varname);
foreach ($this->_params as $field) {
$js[] = sprintf("addEvent(document.forms['%1\$s'].elements['%2\$s'], \"onchange\", \"sumFields(document.forms['%1\$s'], '%3\$s', %4\$s);\");",
$form_name,
$field,
$varname,
$fields);
}
return implode("\n", $js);
}
}
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