Re: Update on TreeList causes loss of selection

>I'm gonna see if Jesse has time to look at this bug and give a quick
> idea of the Level of Effort to fix.
>
> J
>
> On Wed, Jan 7, 2009 at 7:44 AM, Holger Brands <hbrands@...> wrote:
> Hey guys,
>
> happy new year to all. I hope you're doing fine.
>
> We recently came across a small problem with TreeList.
> The following test case fails (the last assertion).
> An EventSelectionModel based on a TreeList looses
> its selection when an update happens on the selected element
> in the source list.
> Looks like a bug to me or what do you think?
>
> Thanks,
> Holger
>
> ----
> public class TreeListTestCase extends SwingTestCase {
>
>  public void guiTestTreeListSelection() {
>  final EventList<String> source = new BasicEventList<String>();
>  source.add("zero");
>  source.add("one");
>  source.add("two");
>  source.add("three");
>
>  final EventList<String> sourceProxy = GlazedListsSwing.swingThreadProx
> yList(source);
>  final TreeList<String> treeList = new TreeList<String>(sourceProxy,
> new StringFormat(),
>  TreeList.NODES_START_EXPANDED);
>  final EventSelectionModel<String> selModel = new EventSelectionModel<
> String>(treeList);
>  selModel.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
>  selModel.setSelectionInterval(2, 2);
>  assertEquals(Arrays.asList("two"), selModel.getSelected());
>  source.set(2, source.get(2));
>  assertEquals(Arrays.asList("two"), selModel.getSelected());
>  }
>
>  private static class StringFormat implements TreeList.Format<String>
> {
>  public boolean allowsChildren(String element) {
>  return element.equals("zero");
>  }
>  public Comparator<? extends String> getComparator(int depth) {
>  return null;
>  }
>  public void getPath(List<String> path, String element) {
>  if (!element.equals("zero")) {
>  getPath(path, "zero");
>  }
>  path.add(element);
>  }
>  }
> }
>
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