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
 */

defined('_JEXEC') or die;

use Joomla\CMS\Editor\Editor as JEditor;
use Joomla\CMS\Factory as JFactory;
use Joomla\CMS\Plugin\PluginHelper as JPluginHelper;
use RegularLabs\Library\Document as RL_Document;
use RegularLabs\Library\Field;

if ( ! is_file(JPATH_LIBRARIES . '/regularlabs/autoload.php'))
{
    return;
}

require_once JPATH_LIBRARIES . '/regularlabs/autoload.php';

class JFormFieldRL_CodeEditor extends Field
{
    public $type = 'CodeEditor';

    protected function getInput()
    {
        $width  = $this->get('width', '100%');
        $height = $this->get('height', 400);
        $syntax = $this->get('syntax', 'html');

        $editor_plugin = JPluginHelper::getPlugin('editors', 'codemirror');

        if (empty($editor_plugin))
        {
            return
                '<textarea name="' . $this->name . '" style="'
                . 'width:' . (strpos($width, '%') ? $width : $width . 'px') . ';'
                . 'height:' . (strpos($height, '%') ? $height : $height . 'px') . ';'
                . '" id="' . $this->id . '">' . $this->value . '</textarea>';
        }

        RL_Document::script('regularlabs/codemirror.min.js');
        RL_Document::stylesheet('regularlabs/codemirror.min.css');

        JFactory::getDocument()->addScriptDeclaration("
            jQuery(document).ready(function($) {
                RegularLabsCodeMirror.init('" . $this->id . "');
            });
        ");

        JFactory::getDocument()->addStyleDeclaration("
            #rl_codemirror_" . $this->id . " .CodeMirror {
                height: " . $height . "px;
                min-height: " . min($height, '100') . "px;
            }
        ");

        return '<div class="rl_codemirror" id="rl_codemirror_' . $this->id . '">'
            . JEditor::getInstance('codemirror')->display(
                $this->name, htmlentities($this->value),
                $width, $height,
                80, 10,
                false,
                $this->id, null, null,
                ['markerGutter' => false, 'activeLine' => true, 'syntax' => $syntax]
            )
            . '</div>';
    }
}