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ldapsaisie/trunk/includes/class/class.LSformRule_compare.php

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<?php
/*******************************************************************************
* Copyright (C) 2007 Easter-eggs
* http://ldapsaisie.labs.libre-entreprise.org
*
* Author: See AUTHORS file in top-level directory.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
******************************************************************************/
/**
* Règle de validation par comparaison de valeurs.
*
* @author Benjamin Renard <brenard@easter-eggs.com>
*/
class LSformRule_compare extends LSformRule {
/**
* Retourne l'operateur de comparaison.
*
* @access private
* @param string Nom de l'operateur
*
* @return string Operateur à utiliser
*/
function _findOperator($operator_name) {
$_operators = array(
'eq' => '==',
'neq' => '!=',
'gt' => '>',
'gte' => '>=',
'lt' => '<',
'lte' => '<='
);
if (empty($operator_name)) {
return '==';
} elseif (isset($this->_operators[$operator_name])) {
return $this->_operators[$operator_name];
} elseif (in_array($operator_name, $this->_operators)) {
return $operator_name;
} else {
return '==';
}
}
/**
* Vérification des valeurs.
*
* @param string $values Valeurs à vérifier
* @param array $options Options de validation :
* - Operateur : $options['params']['operator']
* @param object $formElement L'objet formElement attaché
*
* @return boolean true si la valeur est valide, false sinon
*/
function validate ($values,$options=array(),$formElement) {
if (!isset($options['params']['operator'])) {
LSerror :: addErrorCode('LSformRule_01',array('type' => 'compare', 'param' => 'operator');
return;
}
$operator = LSformRule_compare :: _findOperator($options['params']['operator']);
if ('==' != $operator && '!=' != $operator) {
$compareFn = create_function('$a, $b', 'return floatval($a) ' . $operator . ' floatval($b);');
}
else {
$compareFn = create_function('$a, $b', 'return $a ' . $operator . ' $b;');
}
return $compareFn($values[0], $values[1]);
}
}
?>