Source for file SingleStepWizard.class.php

<?php
/**
 * @since 6/4/07
 * @package polyphony.wizard
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: SingleStepWizard.class.php,v 1.3 2007/09/19 14:04:50 adamfranco Exp $
 */ 
 
require_once(dirname(__FILE__)."/SimpleStepWizard.class.php");
 
/**
 * This is a single-step wizard. It operates just like the multiple-step wizard,
 * but doesn't have or allow more than one step.
 * 
 * @since 6/4/07
 * @package polyphony.wizard
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: SingleStepWizard.class.php,v 1.3 2007/09/19 14:04:50 adamfranco Exp $
 */
class SingleStepWizard 
    extends SimpleStepWizard
{
    
    /**
     * Adds a new {@link WizardStep} to this wizard.
     * @param string $name A short id/name for this step.
     * @param ref object $step
     * @access public
     * @return ref object
     */
    function addStep ($name, $step) {
        if (count($this->getSteps())) {
            throwError(new Error("SingleStepWizards can only have one step. Cannot add '".$name."' step.", "Wizard"));
        }
        return parent::addStep($name, $step);
    }
    
    /**
     * Returns a new SimpleStepWizard with the default layout including all the buttons.
     * @param optional string $pre Some text to put before the layout text.
     * @access public
     * @return ref object
     * @static
     */
    function withDefaultLayout ($pre = '') {
        return parent::withText($pre . 
                "<div>\n" .
                "<table width='100%' border='0' cellpadding='0' cellspacing='2'>\n" .
                "<tr>\n" .
                "<td align='left' width='50%'>\n" .
                "[[_cancel]]\n" .
                "</td>\n" .
                "<td align='right' width='50%'>\n" .
                "[[_save]]\n" .
                "</td></tr></table>" .
                "</div>\n" .
                "<hr/>\n" .
                "<div>\n" .
                "[[_steps]]" .
                "</div>\n", "SingleStepWizard");
    }
    
}
 
?>