question: public OMDrawingTool ( ) { super ( ) ; setBorder ( BorderFactory . createEmptyBorder ( ) ) ; DEBUG = Debug . debugging ( "drawingtool" ) ; selectionSupport = new SelectionSupport ( this ) ; setAttributes ( new GraphicAttributes ( ) ) ; setMouseMode ( createMouseMode ( ) ) ; undoStack = new UndoStack ( ) ; undoTrigger = new UndoMenuItemStackTrigger ( ) ; undoStack . addUndoStackTrigger ( undoTrigger ) ; setUseAsTool ( false ) ; }
target:  Create a OpenMap Drawing Tool.