function readLevel($userLevel)
{
if (!($allowed_permissions =& AMPSystemLookup_PermissionLevel::instance($userLevel))) {
return false;
}
$this->clear();
$this->userLevel = $userLevel;
foreach ($allowed_permissions as $permission_id) {
$this->allow($permission_id);
}
}
function _calculatePermissionsPercentage(&$source, $column_name)
{
$allPermissions =& AMPSystem_Lookup::instance('permissionNames');
$groupPermissions =& AMPSystemLookup_PermissionLevel::instance($source->id);
return sprintf('%d%% allowed', count($groupPermissions) / count($allPermissions) * 100);
}
function &instance($group_id)
{
static $lookup = false;
if (!$lookup) {
$lookup = new AMPSystemLookup_PermissionLevel($group_id);
} else {
$lookup->_addCriteriaLevel($group_id);
$lookup->init();
}
return $lookup->dataset;
}
