NodeStatsTableControl.java 文件源码

private ViewerComparator buildColumnSorter(int columnIndex) {
  switch (columnIndex) {
  case INDEX_ROOT:
    return new RootSorter();
  case INDEX_RANK:
    return new RankSorter();
  case INDEX_PREDS:
    return new PredecessorCountSorter();
  case INDEX_SUCCS:
    return new SuccessorCountSorter();
  }

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