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* @license GNU General Public License version 2 or later; see LICENSE.txt */ namespace Joomla\CMS\Form\Field; \defined('JPATH_PLATFORM') or die; use Joomla\CMS\Access\Access; use Joomla\CMS\Helper\UserGroupsHelper; /** * Field to load a dropdown list of available user groups * * @since 3.2 */ class UsergrouplistField extends ListField { /** * The form field type. * * @var string * @since 3.2 */ protected $type = 'UserGroupList'; /** * Cached array of the category items. * * @var array * @since 3.2 */ protected static $options = array(); /** * Method to attach a Form object to the field. * * @param \SimpleXMLElement $element The SimpleXMLElement object representing the `
` tag for the form field object. * @param mixed $value The form field value to validate. * @param string $group The field name group control value. This acts as an array container for the field. * For example if the field has name="foo" and the group value is set to "bar" then the * full field name would end up being "bar[foo]". * * @return boolean True on success. * * @since 1.7.0 */ public function setup(\SimpleXMLElement $element, $value, $group = null) { if (\is_string($value) && strpos($value, ',') !== false) { $value = explode(',', $value); } return parent::setup($element, $value, $group); } /** * Method to get the options to populate list * * @return array The field option objects. * * @since 3.2 */ protected function getOptions() { $options = parent::getOptions(); $checkSuperUser = (int) $this->getAttribute('checksuperusergroup', 0); // Cache user groups base on checksuperusergroup attribute value if (!isset(static::$options[$checkSuperUser])) { $groups = UserGroupsHelper::getInstance()->getAll(); $cacheOptions = array(); foreach ($groups as $group) { // Don't list super user groups. if ($checkSuperUser && Access::checkGroup($group->id, 'core.admin')) { continue; } $cacheOptions[] = (object) array( 'text' => str_repeat('- ', $group->level) . $group->title, 'value' => $group->id, 'level' => $group->level, ); } static::$options[$checkSuperUser] = $cacheOptions; } return array_merge($options, static::$options[$checkSuperUser]); } }