public function __construct( $params ) {
parent::__construct( $params );
$this->mAllValue = array_key_exists( 'all', $params )
? $params['all']
: 'all';
public function __construct( $params ) {
parent::__construct( $params );
$this->mAllValue = array_key_exists( 'all', $params )
? $params['all']
: 'all';