Hi,
doesn't anybody encounter the same problem ?
I don't know if I misuse the framework or if there's a bug in the
CellTree composite.
Thank you for all help you can give me.
On 11 mar, 11:41, rujan <rudy.jan...@gmail.com> wrote:
> I found another problem which finally seems to have the same cause :
> in another tree, I have a AsyncDataProvider which updates the tree
> when I select a value in a selectBox.
> But when I select (in the selectBox) an item for which the tree to
> display is empty, I have the same problem as explained before.
>
> It seems that it is possible to have an empty tree when creating it,
> but if you update it so that it becomes empty, it generates some weird
> behaviour.
>
> If someone has an idea of why this his happening, it will be very
> helpful.
>
> On 10 mar, 15:37, rujan <rudy.jan...@gmail.com> wrote:
>
> > Hi all,
>
> > I am using the CellTree to add and remove nodes (on the same level,
> > only a list of nodes).
> > But I've encountered an exception when attempting to remove the last
> > node of the CellTree :
>
> > Uncaught JavaScript exception [uncaught exception:
> > java.lang.AssertionError: Child index out of bounds] in , line 0
>
> > Here is my code ;
>
> > public class Test extends Composite {
> > private static TestUiBinder uiBinder =
> > GWT.create(TestUiBinder.class);
>
> > interface TestUiBinder extends UiBinder<Widget, Test> {
> > }
>
> > @UiField(provided = true)
> > CellTree rightTree;
>
> > @UiField
> > PushButton removeEntity;
>
> > private SingleSelectionModel<EntiteDTO> rightTreeSelectionModel;
> > private TreeViewModel rightTreeModel;
> > private ListDataProvider<EntiteDTO> rightTreeProvider;
>
> > public Test() {
> > init();
> > }
>
> > public void init() {
> > createRightTree();
> > initWidget(uiBinder.createAndBindUi(this));
> > }
>
> > @UiHandler("removeEntity")
> > public void onRemoveEntityClick(ClickEvent event) {
> > EntiteDTO entSelected =
> > rightTreeSelectionModel.getSelectedObject();
>
> > Iterator<EntiteDTO> ite =
> > rightTreeProvider.getList().iterator();
> > while (ite.hasNext()) {
> > EntiteDTO ent = ite.next();
> > if (ent.getId().equals(entSelected.getId())) {
> > ite.remove();
> > }
> > }
> > rightTreeProvider.refresh();
> > }
>
> > private void createRightTree() {
> > CellTree.Resources res =
> > GWT.create(CellTree.BasicResources.class);
>
> > rightTreeSelectionModel = new
> > SingleSelectionModel<EntiteDTO>();
>
> > rightTreeProvider = new ListDataProvider<EntiteDTO>();
> > rightTreeModel = new TreeViewModel() {
>
> > @Override
> > public boolean isLeaf(Object value) {
> > if (value == null) {
> > return false;
> > }
> > return true;
> > }
>
> > @Override
> > public <T> NodeInfo<?> getNodeInfo(T value) {
> > return new
> > DefaultNodeInfo<EntiteDTO>(rightTreeProvider, new FolderEntityCell(),
> > rightTreeSelectionModel, null);
> > }
> > };
>
> > rightTree = new CellTree(rightTreeModel, null, res);
> > rightTree.setAnimationEnabled(true);
> > }
>
> > }
>
> > The FolderEntityCell is a cell with icon, and EntiteDTO just some
> > POJO.
>
> > So I added some nodes to the rightTree with
> > rightTreeProvider.getList().add(...) on the first level.
>
> > I can remove these nodes by clicking on the removeEntity PushButton,
> > but when I want to remove the last one, it is removed on the browser,
> > but a java.lang.AssertionError occur :
>
> > Uncaught JavaScript exception [uncaught exception:
> > java.lang.AssertionError: Child index out of bounds] in , line 0
>
> > So I'm wondering if I do something wrong in my removal process.
>
> > I hope you can help me on this point, and thank you in advance.
>
> > Cheers.
>
>
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