predefineColumn(SPEED_COLUMN_INDEX, "speed", getMaxWidth("999 Km/h", 15), false, new SpeedColumnTableCellEditor(), headerRenderer);
predefineColumn(DISTANCE_COLUMN_INDEX, "distance", getMaxWidth("12345 Km", 7), false, new DistanceColumnTableCellRenderer(), headerRenderer);
predefineColumn(LONGITUDE_COLUMN_INDEX, "longitude", 84, true, new LongitudeColumnTableCellEditor(), headerRenderer);
predefineColumn(LATITUDE_COLUMN_INDEX, "latitude", 84, true, new LatitudeColumnTableCellEditor(), headerRenderer);
predefineColumn(ELEVATION_COLUMN_INDEX, "elevation", getMaxWidth("9999 m", 5), true, new ElevationColumnTableCellEditor(), headerRenderer);
predefineColumn(ELEVATION_ASCEND_COLUMN_INDEX, "elevation-ascend", getMaxWidth("9999 m", 5), false, new ElevationDeltaColumnTableCellRenderer(), headerRenderer);
predefineColumn(ELEVATION_DESCEND_COLUMN_INDEX, "elevation-descend", getMaxWidth("9999 m", 5), false, new ElevationDeltaColumnTableCellRenderer(), headerRenderer);
predefineColumn(ELEVATION_DIFFERENCE_COLUMN_INDEX, "elevation-difference", getMaxWidth("999 m", 4), false, new ElevationDeltaColumnTableCellRenderer(), headerRenderer);
VisibleListener visibleListener = new VisibleListener();
PositionTableColumn[] columns = new PositionTableColumn[predefinedColumns.size()];
for (int i = 0; i < predefinedColumns.size(); i++) {
PositionTableColumn column = predefinedColumns.get(i);