question: private void highlightValue ( boolean highlight ) { valueHighlighted = highlight ; if ( highlight ) { valuePanel . setBorder ( BorderFactory . createMatteBorder ( 1 , 1 , 1 , 1 , SwingTools . RAPIDMINER_ORANGE ) ) ; valuePanel . setBackground ( Color . LIGHT_GRAY ) ; } else { valuePanel . setBorder ( BorderFactory . createMatteBorder ( 1 , 1 , 1 , 1 , Color . GRAY ) ) ; valuePanel . setBackground ( defaultBackground ) ; } }
target:  Highlights the part to select, if the user wants to insert the value