Source for file WLogicRule.class.php

<?php
/**
 * @since 5/31/06
 * @package polyphony.wizard
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: WLogicRule.class.php,v 1.8 2007/09/19 14:04:51 adamfranco Exp $
 */ 
 
/**
 * Logic Class allows for wizards to be freeform and direct their own progress
 * 
 * @since 5/31/06
 * @package polyphony.wizard
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: WLogicRule.class.php,v 1.8 2007/09/19 14:04:51 adamfranco Exp $
 */
class WLogicRule {
        
    var $_requiredSteps;
        
    /**
     * Default constructor, added for testing
     **/
 
    function WLogicRule() {
    }
    
    
    /**
     * virtual constructor
     * 
     * @param array $steps an array of steps required by this logic
     * @return VOID 
     * @access public
     * @since 5/31/06
     */
    function withSteps ($steps) {
        $rule = new WLogicRule();
        
        $rule->setRequiredSteps($steps);
        return $rule;
    }
    
    /**
     * returns an array of the steps required by this rule being fired
     * 
     * @return array of names of steps that are now required
     * @access public
     * @since 5/31/06
     */
    function getRequiredSteps () {
        return $this->_requiredSteps;
    }
 
    /**
     * returns an array of the steps required by this rule being fired
     * 
     * @param array of names of steps that are now required
     * @access public
     * @since 5/31/06
     */
    function setRequiredSteps ($steps) {
        $this->_requiredSteps = $steps;
    }
    
    /**
     * adds a required step
     * 
     * @param string $stepName 
     * @return void 
     * @access public
     * @since 5/31/06
     */
    function addRequiredStepToRule ($stepName) {
        $this->_requiredSteps[] = $stepName;
    }
    
    
}
 
?>