actionManager.enable("add-populated-place", existsASelectedPosition);
actionManager.enable("add-speed", existsASelectedPosition);
actionManager.enable("add-time", existsASelectedPosition);
actionManager.enable("add-number", existsASelectedPosition);
actionManager.enable("split-positionlist", supportsMultipleRoutes && existsASelectedPosition);
actionManager.enable("insert-positions", existsAPosition);
actionManager.enable("delete-positions", existsAPosition);
actionManager.enable("revert-positions", existsMoreThanOnePosition);
tableHeaderMenu.enable(existsMoreThanOnePosition);
actionManager.enable("print-map", r.isMapViewAvailable() && existsAPosition);
actionManager.enable("print-map-and-route", r.isMapViewAvailable() && existsAPosition && characteristics.equals(Route));