Method __construct

/**
 * Method to instantiate the form field object.
 *
 * @param   Form  $form  The form to attach to the form field object.
 *
 * @since   1.7.0
 */
public function __construct($form = null)
{
    parent::__construct($form);
    // Set the type
    $this->type = 'LastvisitDateRange';
    // Load the required language
    $lang = Factory::getLanguage();
    $lang->load('com_users', JPATH_ADMINISTRATOR);
    // Set the pre-defined options
    $this->predefinedOptions = array('today' => 'COM_USERS_OPTION_RANGE_TODAY', 'past_week' => 'COM_USERS_OPTION_RANGE_PAST_WEEK', 'past_1month' => 'COM_USERS_OPTION_RANGE_PAST_1MONTH', 'past_3month' => 'COM_USERS_OPTION_RANGE_PAST_3MONTH', 'past_6month' => 'COM_USERS_OPTION_RANGE_PAST_6MONTH', 'past_year' => 'COM_USERS_OPTION_RANGE_PAST_YEAR', 'post_year' => 'COM_USERS_OPTION_RANGE_POST_YEAR', 'never' => 'COM_USERS_OPTION_RANGE_NEVER');
}