construct panel provid control popul list path us java classpath includ path param path list set set object pathlist classpath dialog path list select path list set set path list set set tool tip text set descript set layout border layout label label label set label add label border layout north path model list model path set path list path model add element path path list path model path set visibl row count path set tool tip text set descript scroll pane list scroller scroll pane path add list scroller border layout center panel control panel control panel panel control panel set layout grid layout add button button translat local button add control panel add add button add button add action listen add listen remov button button translat local button remov control panel add remov button remov button add action listen remov listen todo add button control order item add control panel border layout south 