question: protected void fillFaceToolBar ( JToolBar faceTB , ButtonGroup bg ) { for ( EditToolLoader loader : loaderList ) { String [ ] classnames = loader . getEditableClasses ( ) ; for ( int i = 0 ; i < classnames . length ; i ++ ) { ImageIcon icon = loader . getIcon ( classnames [ i ] ) ; JToggleButton btn = new JToggleButton ( icon , false ) ; btn . setToolTipText ( loader . getPrettyName ( classnames [ i ] ) ) ; btn . setFocusable ( false ) ; btn . setActionCommand ( classnames [ i ] ) ; btn . addActionListener ( this ) ; bg . add ( btn ) ; faceTB . add ( btn ) ; } } }
target:  Fill the Face's toolbar with buttons