public function __construct(ConfigFile $cf)
{
$this->_jsLangStrings = array('error_nan_p' => __('Not a positive number!'), 'error_nan_nneg' => __('Not a non-negative number!'), 'error_incorrect_port' => __('Not a valid port number!'), 'error_invalid_value' => __('Incorrect value!'), 'error_value_lte' => __('Value must be equal or lower than %s!'));
$this->_configFile = $cf;
// initialize validators
Validator::getValidators($this->_configFile);
}