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\HTML\HTMLHelper as JHtml;
use Joomla\CMS\Language\Text as JText;
use Joomla\Registry\Registry;
use RegularLabs\Library\Field;

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

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

class JFormFieldRL_Users extends Field
{
    public $type = 'Users';

    public function getAjaxRaw(Registry $attributes)
    {
        $name         = $attributes->get('name', $this->type);
        $id           = $attributes->get('id', strtolower($name));
        $value        = $attributes->get('value', []);
        $size         = $attributes->get('size');
        $multiple     = $attributes->get('multiple');
        $show_current = $attributes->get('show_current');

        $options = $this->getUsers();

        if (is_array($options) && $show_current)
        {
            array_unshift($options, JHtml::_('select.option', 'current', '- ' . JText::_('RL_CURRENT_USER') . ' -'));
        }

        return $this->selectListSimple($options, $name, $value, $id, $size, $multiple);
    }

    public function getUsers()
    {
        $query = $this->db->getQuery(true)
            ->select('COUNT(*)')
            ->from('#__users AS u');
        $this->db->setQuery($query);
        $total = $this->db->loadResult();

        if ($total > $this->max_list_count)
        {
            return -1;
        }

        $query->clear('select')
            ->select('u.name, u.username, u.id, u.block as disabled')
            ->order('name');
        $this->db->setQuery($query);
        $list = $this->db->loadObjectList();

        $list = array_map(function ($item) {
            if ($item->disabled)
            {
                $item->name .= ' (' . JText::_('JDISABLED') . ')';
            }

            return $item;
        }, $list);

        return $this->getOptionsByList($list, ['username', 'id']);
    }

    protected function getInput()
    {
        if ( ! is_array($this->value))
        {
            $this->value = explode(',', $this->value);
        }

        $size         = (int) $this->get('size');
        $multiple     = $this->get('multiple');
        $show_current = $this->get('show_current');

        return $this->selectListSimpleAjax(
            $this->type, $this->name, $this->value, $this->id,
            compact('size', 'multiple', 'show_current')
        );
    }
}