Component-Builder/admin/models/fields/customfolderlist.php

<?php
/**
 * @package    Joomla.Component.Builder
 *
 * @created    30th April, 2015
 * @author     Llewellyn van der Merwe <https://dev.vdm.io>
 * @git        Joomla Component Builder <https://git.vdm.dev/joomla/Component-Builder>
 * @copyright  Copyright (C) 2015 Vast Development Method. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

// No direct access to this file
defined('_JEXEC') or die('Restricted access');

use Joomla\CMS\Factory;
use Joomla\CMS\Language\Text;
use Joomla\CMS\HTML\HTMLHelper as Html;
use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Filesystem\Folder;

// import the list field type
jimport('joomla.form.helper');
JFormHelper::loadFieldClass('list');

/**
 * Customfolderlist Form Field class for the Componentbuilder component
 */
class JFormFieldCustomfolderlist extends JFormFieldList
{
	/**
	 * The customfolderlist field type.
	 *
	 * @var        string
	 */
	public $type = 'customfolderlist';

	/**
	 * Method to get a list of options for a list input.
	 *
	 * @return    array    An array of Html options.
	 */
	protected function getOptions()
	{
		// get custom folder folder
		$localfolder = ComponentHelper::getParams('com_componentbuilder')->get('custom_folder_path', JPATH_COMPONENT_ADMINISTRATOR.'/custom');
		// set the default
		$options[] = Html::_('select.option', '', Text::sprintf('COM_COMPONENTBUILDER_PLEASE_ADD_FOLDERS_TO_S',$localfolder));
		// setup the folder if it does not exist
		if (!Folder::exists($localfolder))
		{
			Folder::create($localfolder);
		}
		// now check if there are files in the folder
		if ($folders = Folder::folders($localfolder))
		{
			$options = [];
			foreach ($folders as $folder)
			{
				$options[] = Html::_('select.option', $folder, $folder);
			}
		}
		return $options;
	}
}