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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Alexey Borzov <avb@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Compare.php,v 1.3 2003/11/03 16:08:24 avb Exp $
require_once 'HTML/QuickForm/Rule.php';
/**
* Rule to compare two form fields
*
* The most common usage for this is to ensure that the password
* confirmation field matches the password field
*
* @access public
* @package HTML_QuickForm
* @version $Revision: 1.3 $
*/
class HTML_QuickForm_Rule_Compare extends HTML_QuickForm_Rule
{
/**
* Possible operators to use
* @var array
* @access private
*/
var $_operators = array(
'eq' => '==',
'neq' => '!=',
'gt' => '>',
'gte' => '>=',
'lt' => '<',
'lte' => '<='
);
/**
* Returns the operator to use for comparing the values
*
* @access private
* @param string operator name
* @return string operator to use for validation
*/
function _findOperator($name)
{
if (empty($name)) {
return '==';
} elseif (isset($this->_operators[$name])) {
return $this->_operators[$name];
} elseif (in_array($name, $this->_operators)) {
return $name;
} else {
return '==';
}
}
function validate($values, $operator = null)
{
$operator = $this->_findOperator($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], $values[1]);
}
function getValidationScript($operator = null)
{
$operator = $this->_findOperator($operator);
if ('==' != $operator && '!=' != $operator) {
$check = "!(Number({jsVar}[0]) {$operator} Number({jsVar}[1]))";
} else {
$check = "!({jsVar}[0] {$operator} {jsVar}[1])";
}
return array('', "'' != {jsVar}[0] && {$check}");
}
}
?>
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