function access_control_model()
{
parent::Base_model();
// Setup allowed tables
$this->load->config('khaos', true, true);
$options = $this->config->item('acl', 'khaos');
$this->_TABLES = $options['tables'];
$this->_TABLES['groups'] = $this->config->item('backendpro_table_prefix') . "groups";
$this->_TABLES['resources'] = $this->config->item('backendpro_table_prefix') . "resources";
// Setup ACO Model
$this->resource = new Nested_sets_model();
$this->resource->setControlParams($this->_TABLES['acos']);
$this->resource->setPrimaryKeyColumn('id');
// Setup ARO Model
$this->group = new Nested_sets_model();
$this->group->setControlParams($this->_TABLES['aros']);
$this->group->setPrimaryKeyColumn('id');
log_message('debug', 'BackendPro : Access_control_model class loaded');
}