public void update ( ) { boolean shouldShow = shouldShow ( ) ; if ( visible != shouldShow ) { visible = shouldShow ; BaseUIComponent target = element . getMaskTarget ( ) ; if ( visible ) { Menupopup contextMenu = ElementUI . getDesignContextMenu ( target ) ; String displayName = element . getDisplayName ( ) ; target . addMask ( displayName , contextMenu ) ; } else { target . removeMask ( ) ; } } }
Show or hide the design mode mask .