<?php
/**
 * patForms Rule Match
 *
 * $Id$
 *
 * @package		patForms
 * @subpackage	Rules
 */

WBClass::load('WBPAT_Forms_Rule');

/**
 * patForms Rule Match
 * 
 * Replacement for original rule Match
 *
 * @package		patForms
 * @subpackage	Rules
 * @author		Stephan Schmidt <schst@php-tools.net>
 * @license		LGPL, see license.txt for details
 * @link		http://www.php-tools.net
 */
class patForms_Rule_Match extends WBPAT_Forms_Rule
{
    /**
     * default config values
     *  - regex
     *  - match 1
     * 
     * @var array
     */
    protected $config   =   array(
                            'reges'     =>  '',
                            'match'     =>  '1',
                            );
    /**
     * Initialize validation codes using gettext
     *
     * Overwrite this function to add element's error codes
     * 
     * @access   protected
     * @return   bool    $success    Always returns true.
     * @see      $attributeDefaults
     */
    function loadValidatiorErrorCodes()
    {
        $this->validatorErrorCodes  = array(
            1   =>  patI18n::dgettext('wombat', 'Value is invalid'),
        );
        return true;
    }


   /**
	* method called by patForms or any patForms_Element to validate the
	* element or the form.
	*
	* @access	public
	* @param	object patForms	form object
	*/
	function applyRule(&$element, $type = PATFORMS_RULE_BEFORE_VALIDATION)
	{
		$value = $element->getValue(false);
		if (empty($value)) {
			return true;
		}
		
		$match    =   intval($this->config['match']);
		$result   =   preg_match($this->config['regex'], $value);

		// matches but is not supposed to do so
		if ($result && 1 > $match) {
			$this->addValidationError(1);
			return false;
		}

		// does not match, but is supposed to match
		if (!$result && 0 < $match) {
            $this->addValidationError(1);
            return false;
		}
		
		return true;
	}
}
?>