NodeDisplayTableControl.java 文件源码

private ViewerComparator buildColumnSorter(int colIndex) {
  if (INDEX_VISIBLE == colIndex) {
    return new BooleanVisibleSorter();
  }
  if (INDEX_XPOS == colIndex) {
    return new PositionSorter(true);
  }
  if (INDEX_YPOS == colIndex) {
    return new PositionSorter(false);
  }

  // By default, use an alphabetic sort over the column labels.
  ITableLabelProvider labelProvider =
      (ITableLabelProvider) propViewer.getLabelProvider();
  ViewerComparator result = new AlphabeticSorter(
      new LabelProviderToString(labelProvider, colIndex));
  return result;
}