ContentsNavigation.php

<?php

/**
 * ContensDashboardNavigation.php - navigation for contents dashboard
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * @author      Ron Lucke <lucke@elan-ev.de>
 * @license     http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
 *
 * @category    Stud.IP
 */
class ContentsNavigation extends Navigation
{
    /**
     * Initialize a new Navigation instance.
     */
    public function __construct()
    {
        parent::__construct(_('Arbeitsplatz'));

        $this->setImage(Icon::create('content', 'navigation', ['title' => _('Mein Arbeitsplatz')]));
    }

    /**
     * Initialize the subnavigation of this item. This method
     * is called once before the first item is added or removed.
     */
    public function initSubNavigation()
    {
        parent::initSubNavigation();
        global $perm;

        $overview = new Navigation(_('Übersicht'));
        $overview->addSubNavigation(
            'index',
            new Navigation(_('Übersicht'), 'dispatch.php/contents/overview')
        );

        $this->addSubNavigation('overview', $overview);

        if (PluginManager::getInstance()->getPlugin('CoursewareModule')) {
            $courseware = new Navigation(_('Courseware'));
            $courseware->setDescription(_('Erstellen und Sammeln von Lernmaterialien'));
            $courseware->setImage(Icon::create('courseware'));

        $courseware = new Navigation(_('Courseware'));
        $courseware->setDescription(_('Erstellen und Sammeln von Lernmaterialien'));
        $courseware->setImage(Icon::create('courseware'));

        $courseware->addSubNavigation(
            'shelf',
            new Navigation(_('Lernmaterialien'), 'dispatch.php/contents/courseware/index')
        );
        $courseware->addSubNavigation(
            'courseware',
            new Navigation(_('Inhalt'), 'dispatch.php/contents/courseware/courseware')
        );
        $courseware->addSubNavigation(
            'releases',
            new Navigation(_('Freigaben'), 'dispatch.php/contents/courseware/releases')
        );
        $courseware->addSubNavigation(
            'bookmarks',
            new Navigation(_('Lesezeichen'), 'dispatch.php/contents/courseware/bookmarks')
        );
        $courseware->addSubNavigation(