/**
* Return the number of option in category that logged user can see
*
* @param boolean $include_system_options Include system options
* @return integer
*/
function countOptions($include_system_options = false)
{
if (is_null($this->count_config_options)) {
$this->count_config_options = ConfigOptions::countOptionsByCategory($this, $include_system_options);
}
// if
return $this->count_config_options;
}
