Sindbad~EG File Manager

<?php
/**
 * @package         Regular Labs Library
 * @version         23.2.18739
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://regularlabs.com
 * @copyright       Copyright © 2023 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

namespace RegularLabs\Library;

defined('_JEXEC') or die;

use Exception;
use Joomla\CMS\Language\Text as JText;
use ReflectionClass;
use RegularLabs\Library\ParametersNew as Parameters;

/**
 * Class EditorButtonPopup
 * @package RegularLabs\Library
 */
class EditorButtonPopup
{
    var $extension         = '';
    var $params            = null;
    var $require_core_auth = true;

    public function __construct($extension)
    {
        $this->extension = $extension;
        $this->params    = Parameters::getPlugin($extension);
    }

    public function loadLanguages()
    {
        Language::load('plg_editors-xtd_' . $this->extension);
        Language::load('plg_system_' . $this->extension);
    }

    public function loadScripts()
    {
    }

    public function loadStyles()
    {
    }

    public function render()
    {
        if ( ! Extension::isAuthorised($this->require_core_auth))
        {
            throw new Exception(JText::_("ALERTNOTAUTH"));
        }

        if ( ! Extension::isEnabledInArea($this->params))
        {
            throw new Exception(JText::_("ALERTNOTAUTH"));
        }

        $this->loadLibraryLanguages();
        $this->loadLibraryScriptsStyles();

        $this->loadLanguages();

        Document::style('regularlabs/popup.min.css');

        $this->loadScripts();
        $this->loadStyles();

        echo $this->renderTemplate();
    }

    private function getDir()
    {
        // use static::class instead of get_class($this) after php 5.4 support is dropped
        $rc = new ReflectionClass(get_class($this));

        return dirname($rc->getFileName());
    }

    private function loadLibraryLanguages()
    {
        Language::load('plg_system_regularlabs');
    }

    private function loadLibraryScriptsStyles()
    {
        Document::loadPopupDependencies();
    }

    private function renderTemplate()
    {
        ob_start();
        include $this->getDir() . '/popup.tmpl.php';
        $html = ob_get_contents();
        ob_end_clean();

        return $html;
    }
}