OptionalWidget[ 'super' ].prototype.setDisabled.call( this, disabled );
this.widget.setDisabled( this.isDisabled() );
this.checkbox.setSelected( !this.isDisabled() );
OptionalWidget[ 'super' ].prototype.setDisabled.call( this, disabled );
this.widget.setDisabled( this.isDisabled() );
this.checkbox.setSelected( !this.isDisabled() );