Try using an AsyncDataProvider instead of ListDataProvider.
(also: embrace asynchrony!)
On Thursday, March 15, 2012 2:47:55 AM UTC+1, jmbz84 wrote:
>
> Hello,
>
> I'm trying to use gwt CellBrowser and RequestFactory to show some
> stored data as Cells in the cellbrowser. But I can't do it because of
> the context of requestfactory.
>
>
> Any Ideas ?
>
> class CustomTreeModel implements TreeViewModel {
> {
> ...
> ..
> ...
>
> List<ComposerProxy> composerproxy = new ArrayList<ComposerProxy>();
>
> private void setComposer() {
> testRequestFactory = GWT.create(TestRequestFactory.class);
> testRequestFactory.initialize(new SimpleEventBus());
>
> request.getQuery("select a from Composer a").fire(
> new Receiver<List<ComposerProxy>>() {
>
> @Override
> public void
> onSuccess(List<ComposerProxy> arg0) {
> //Here Is my problem, How
> can I transfer the value of arg0 to composerproxy in order to use it
> on my CellBrowser ()
> // Tried with a for() to
> insert each ComposerProxy individually and with a separate method
> insertcomposerproxy(arg0) but didnt work
> composerproxy=arg0;
>
> }
> });
>
> }
>
> }
>
> public <T> NodeInfo<?> getNodeInfo(T value) {
>
> if (value == null) {
>
> setComposer();
>
> // LEVEL 0.
> // We passed null as the root value. Return the
> composers.
> // Create a data provider that contains the list
> of composers.
>
> //HERE IS MY PROBLEM. The composerproxy
> variable is empty.
>
> ListDataProvider<ComposerProxy> dataProvider = new
> ListDataProvider<ComposerProxy>(
> composerproxy);
>
>
>
> // Create a cell to display a composer.
> Cell<ComposerProxy> cell = new
> AbstractCell<ComposerProxy>() {
> @Override
> public void render(Context context,
> ComposerProxy value,
> SafeHtmlBuilder sb) {
> if (value != null) {
>
> sb.appendEscaped(value.getName());
>
> }
> }
> };
> // Return a node info that pairs the data provider
> and the cell.
> return new
> DefaultNodeInfo<ComposerProxy>(dataProvider, cell);
> }
> ......
> .....
> .....
> .....
>
> }
>
>
>
> PD: The getQuery() function works fine and the arg0 variable has data.
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To view this discussion on the web visit
https://groups.google.com/d/msg/google-web-toolkit/-/hkJGM5Mw4c4J.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/google-web-toolkit?hl=en.
