Source for file AuthZPrinter.abstract.php

<?php
/**
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: AuthZPrinter.abstract.php,v 1.4 2007/09/19 14:04:40 adamfranco Exp $
 */ 
 
/**
 * A static class for printing Authorization information
 * 
 * @since 11/29/06
 * @package polyphony.authorization
 * 
 * @copyright Copyright &copy; 2005, Middlebury College
 * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License (GPL)
 *
 * @version $Id: AuthZPrinter.abstract.php,v 1.4 2007/09/19 14:04:40 adamfranco Exp $
 */
class AuthZPrinter {
        
    /**
     * Answer the html string for an icon that displays authorization state
     * 
     * @param object Id $qualifierId 
     * @return string 
     * @access public
     * @since 11/29/06
     */
    function getAZIcon ($qualifierId) {
        ob_start();
        $authZ = Services::getService("AuthZ");
        $idManager = Services::getService("Id");
        
        if ($authZ->isUserAuthorized(
                $idManager->getId("edu.middlebury.authorization.view_authorizations"), 
                $qualifierId))
        {
            $onclick = "onclick=\"AuthZViewer.run('".addslashes($qualifierId->getIdString())."', this);\" style='cursor: pointer;' ";
        } else {
            $onclick = '';
        }
    
        if ($authZ->isAuthorized(
                $idManager->getId("edu.middlebury.agents.everyone"),
                $idManager->getId("edu.middlebury.authorization.view"), 
                $qualifierId))
        {
            print "\n<img src='".POLYPHONY_PATH."/icons/view_public.gif' alt='".("Public-Viewable")."' title='".("Public-Viewable")."' ".$onclick."/> ";
        } else if ($authZ->isAuthorized(
                $idManager->getId("edu.middlebury.agents.users"),
                $idManager->getId("edu.middlebury.authorization.view"), 
                $qualifierId))
        {
            print "\n<img src='".POLYPHONY_PATH."/icons/view_institute.gif' alt='".("Institution-Viewable")."' title='".("Institution-Viewable")."' ".$onclick."/> ";
        } else {
            print "\n<img src='".POLYPHONY_PATH."/icons/view_limited.gif' alt='".("Viewable by some people")."' title='".("Viewable by some people")."' ".$onclick."/> ";
        }
        
        return ob_get_clean();
    }
    
}
 
?>