.-.-.-.-.-

<?php
/**
 * @package Helix3 Framework
 * @author JoomShaper https://www.joomshaper.com
 * @copyright (c) 2010 - 2021 JoomShaper
 * @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 or Later
 */

//no direct accees
defined ('_JEXEC') or die ('resticted aceess');

use Joomla\CMS\Factory;
use Joomla\CMS\Form\FormHelper;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Version;

FormHelper::loadFieldClass('text');

$version = new Version();
$JoomlaVersion = $version->getShortVersion();

if (version_compare($JoomlaVersion, '4.0.0', '>='))
{
	JLoader::registerAlias('JFormFieldText', 'Joomla\CMS\Form\Field\TextField');
}

/**
* Supports a modal article picker.
*
* @package		Joomla.Administrator
* @subpackage	com_modules
* @since		1.6
*/
class JFormFieldModPos extends JFormFieldText
{
  /**
  * The form field type.
  *
  * @var		string
  * @since	1.6
  */
  protected $type = 'ModPos';

/**
  * Method to get the field input markup.
  *
  * @return	string	The field input markup.
  * @since	1.6
  */
  protected function getInput()
  {
    $db = Factory::getDbo();
    $query = 'SELECT `position` FROM `#__modules` WHERE  `client_id`=0 AND ( `published` !=-2 AND `published` !=0 ) GROUP BY `position` ORDER BY `position` ASC';

$db->setQuery($query);
    $dbpositions = (array) $db->loadAssocList();

$template = $this->form->getValue('template');
    $templateXML = JPATH_SITE.'/templates/'.$template.'/templateDetails.xml';
    $template = simplexml_load_file( $templateXML );
    $options = array();

foreach($dbpositions as $positions) $options[] = $positions['position'];

foreach($template->positions[0] as $position)  $options[] =  (string) $position;

$options = array_unique($options);

$selectOption = array();
    sort($selectOption);

foreach($options as $option) $selectOption[] = HTMLHelper::_( 'select.option',$option,$option );

return HTMLHelper::_('select.genericlist', $selectOption, 'jform[params]['.$this->element['name'].']', 'class="form-select '.$this->element['class'].'"', 'value', 'text', $this->value, 'jform_params_helix_'.$this->element['name']);
  }
}

/home/pteabiscqq/www/plugins/system/./helix3/fields/./modpos.php