@Override public int[] getGridCellSizes(RadContainer container, boolean isRow) {
    final FormLayout.LayoutInfo layoutInfo = getFormLayout(container).getLayoutInfo(container.getDelegee());
    int[] origins = isRow ? layoutInfo.rowOrigins : layoutInfo.columnOrigins;
    int[] result = new int [origins.length-1];
    for(int i=0; i<result.length; i++) {
      result [i] = origins [i+1] - origins [i];
    }
    return result;
  }
@Override public int[] getGridCellSizes(RadContainer container, boolean isRow)