Core/Modules/admin/classes/class.theme_manager.php

<?php
/**
 * FuzeWorks.
 *
 * The FuzeWorks MVC PHP FrameWork
 *
 * Copyright (C) 2015   TechFuze
 *
 * 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author    TechFuze
 * @copyright Copyright (c) 2013 - 2016, Techfuze. (http://techfuze.net)
 * @copyright Copyright (c) 1996 - 2015, Free Software Foundation, Inc. (http://www.fsf.org/)
 * @license   http://opensource.org/licenses/GPL-3.0 GPLv3 License
 *
 * @link  http://fuzeworks.techfuze.net
 * @since Version 0.0.1
 *
 * @version Version 0.0.1
 */

namespace Module\Admin;

use FuzeWorks\Layout;

class ThemeManager
{
    private static $themeDir = 'views/adminlte2.1/';

    public static function loadTheme($theme = null)
    {
        self::$themeDir = Main::getModulePath().'themes/adminlte2.1/';
        Layout::setDirectory(self::$themeDir);
    }

    public static function getDirectory()
    {
        // First check if the theme is actually loaded
        if (empty(self::$themeDir)) {
            throw new AdminException('Could not load panel. Theme not loaded', 1);
        }
        // And then return the theme Directory
        return self::$themeDir;
    }
}