KeysPreferencePage.java 文件源码

private int compareColumn(final Viewer viewer, final Object a, final Object b, final int columnNumber) {
    // if (columnNumber == CATEGORY_COLUMN) {
    // return sortUser(a, b);
    // }
    IBaseLabelProvider baseLabel = ((TreeViewer) viewer).getLabelProvider();
    if (baseLabel instanceof ITableLabelProvider) {
        ITableLabelProvider tableProvider = (ITableLabelProvider) baseLabel;
        String e1p = tableProvider.getColumnText(a, columnNumber);
        String e2p = tableProvider.getColumnText(b, columnNumber);
        if (e1p != null && e2p != null) {
            return getComparator().compare(e1p, e2p);
        }
    }
    return 0;
}