i also need to know how to refresh a row with specific Object
On Nov 19, 10:35 am, Tomeo <tke...@gmail.com> wrote:
> Hi folks,
>
> I have a below a simple scenario:
>
> 1. I have a grid populated with data
> 2. I select any 1 row from grid - data with a specific "Object
> Id" [internal id]
> 3. I press a refresh button from a paginationToolbar
> 4. data are refreshed
> 5. no row from grid is being selected.
>
> Question 1:
> How can I change a step 5, so after refresh a row with specific Object
> Id (from step 2) would be automaticaly selected?
>
> I tried to implement a LoadListener to loader, but it seems like I'm
> incorrectly selecting a row from my grid.
> Here is a bit of my code:
>
> 1. A global variable of type "Zakazka" to store a Zakazka before
> refresh occures (the one which should be selected after refresh):
> Code:
>
> private Zakazka selectedZakazka;
>
> 2. Here is my grid definition with loader's load listener
> Code:
>
> RpcProxy<PagingLoadResult<Zakazka>> proxy = new
> RpcProxy<PagingLoadResult<Zakazka>>() {
> @Override
> public void load(Object loadConfig,
> AsyncCallback<PagingLoadResult<Zakazka>> callback) {
> Tracing.Log("ZakazkyAktivne.RpcProxy.load.before");
> service.getZakazky((PagingLoadConfig) loadConfig,
> callback);
> Tracing.Log("ZakazkyAktivne.RpcProxy.load.after");
> }
> };
>
> // loader
> final PagingLoader<PagingLoadResult<ModelData>> loader = new
> BasePagingLoader<PagingLoadResult<ModelData>>(proxy);
> loader.setRemoteSort(true);
>
> ListStore<Zakazka> store = new ListStore<Zakazka>(loader);
> pagingToolBar = new PagingToolBar(50);
> pagingToolBar.bind(loader);
>
> List<ColumnConfig> columns = new ArrayList<ColumnConfig>();
> columns.add(new ColumnConfig("object_id", "Object Id", 80));
> columns.add(new ColumnConfig("cislo_dokladu", "Èíslo dokladu",
> 100));
> ColumnConfig created = new ColumnConfig("created", "Dátum
> vytvorenia", 105);
> created.setDateTimeFormat(DateTimeFormat.getFormat("dd.MM.yyyy
> HH:mm:ss"));
> columns.add(created);
> columns.add(new ColumnConfig("objednavatel", "Objednavatel",
> 120));
> columns.add(new ColumnConfig("stredisko", "Stredisko", 150));
> columns.add(new ColumnConfig("stav_zakazky_id", "Id stavu
> zakazky", 60));
> columns.add(new ColumnConfig("stav_zakazky_kod", "Kód stavu
> zakazky", 100));
> columns.add(new ColumnConfig("stav_zakazky", "Stav zakazky",
> 100));
> columns.add(new ColumnConfig("stav_zakazky_zmenil_uziv_meno",
> "Zakazku zmìnil", 100));
> ColumnConfig updated = new ColumnConfig("stav_zakazky_zmena",
> "Dátum zmìny", 105);
> updated.setDateTimeFormat(DateTimeFormat.getFormat("dd.MM.yyyy
> HH:mm:ss"));
> columns.add(updated);
>
> ColumnModel cm = new ColumnModel(columns);
>
> gridZakazka = new Grid<Zakazka>(store, cm);
> gridZakazka.setStateId("pagingGridExample");
> gridZakazka.setStateful(true);
> gridZakazka.addListener(Events.Attach, new
> Listener<GridEvent<Zakazka>>() {
> public void handleEvent(GridEvent<Zakazka> be) {
> PagingLoadConfig config = new BasePagingLoadConfig();
> config.setOffset(0);
> config.setLimit(50);
>
> Map<String, Object> state = gridZakazka.getState();
> if (state.containsKey("offset")) {
> int offset = (Integer)state.get("offset");
> int limit = (Integer)state.get("limit");
> config.setOffset(offset);
> config.setLimit(limit);
> }
> if (state.containsKey("sortField")) {
> config.setSortField((String)state.get("sortField"));
>
> config.setSortDir(SortDir.valueOf((String)state.get("sortDir")));
> }
> loader.load(config);
> }
> });
>
> gridZakazka.getSelectionModel().addListener(Events.SelectionChange,
> new Listener<SelectionChangedEvent<Zakazka>>() {
> public void handleEvent(SelectionChangedEvent<Zakazka>
> be) {
> if (be.getSelection().size() > 0) {
> Tracing.Log("Grid selection changed");
> formBindings.bind((ModelData)
> be.getSelection().get(0));
>
> setZakazkaDetailToolBar(be.getSelectedItem().getZakazkaObjectId(),
>
> be.getSelectedItem().getZakazkaStavZakazkyId());
>
> //
> getLogZakazkaGrid(be.getSelectedItem().getZakazkaObjectId());
> //pagingToolBarLog.refresh();
> } else {
> Tracing.Log("Nothing selected");
> formBindings.unbind();
> zakazkaDetailToolBar.removeAll();
> }
> }
> });
>
> loader.addLoadListener(new LoadListener() {
> @Override
> public void loaderLoad(LoadEvent le)
> {
> // Run your selection logic here
> Tracing.Log("loaderLoad invoked!");
>
> gridZakazka.getSelectionModel().select(selectedZakazka, false);
> Tracing.Log("selectedZakazka selected");
> }
> });
>
> gridZakazka.setLoadMask(true);
> gridZakazka.setBorders(true);
>
> 3. Selected zakazka is remembered before refresh using a below code:
> Code:
>
> public void changeZakazkaStatus(Integer zakazkaId,
> Integer novyStatusId) {
> final DatabaseServiceAsync service = (DatabaseServiceAsync)
> Registry.get(Agdoprava.SERVICE);
> AsyncCallback<Boolean> callback = new AsyncCallback<Boolean>() {
>
> public void onFailure(Throwable caught) {
> System.out.println(caught.getMessage());
> }
>
> public void onSuccess(Boolean result) {
> if (result) {
> Tracing.Log("Zakazka STATUS updated successfully!");
>
> selectedZakazka =
> gridZakazka.getSelectionModel().getSelectedItem();
> Tracing.Log("Selected zakazka Object ID:" +
> selectedZakazka.getZakazkaObjectId());
>
> // refresh main grid
> pagingToolBar.refresh();
> Tracing.Log("Refresh OK");
> }
> else {
> Tracing.Log("Zakazka STATUS update failed!");
> }
>
> }
> };
>
> // execute RPC
> service.updateZakazkaStatus(zakazkaId, novyStatusId,
> StaticDataController.LoggedUzivatelId, callback);
>
> }
>
> 4. Tracing log
> Code:
>
> 2010-11-19 09:06:13.739| Zakazka STATUS updated successfully!
> 2010-11-19 09:06:13.739| Selected zakazka Object ID:123
> 2010-11-19 09:06:14.066| ZakazkyAktivne.RpcProxy.load.before
> 2010-11-19 09:06:14.082| ZakazkyAktivne.RpcProxy.load.after
> 2010-11-19 09:06:14.082| Refresh OK
> ZakazkaManager.getZakazky()
> 2010-11-19 09:06:14.436| Nothing selected
> 2010-11-19 09:06:14.877| loaderLoad invoked!
> 2010-11-19 09:06:14.877| selectedZakazka selected
>
> From my tracing log I can see, that selectedZakazka is set correctly
> and prior refresh and also that loader.LoadListener is invoked after
> refresh. Just a row in grid stays unselected. So, I assume a piece of
> code in loader's LoadListener [in step 2 above] is incorrect, or
> uncomplete.
>
> Could you please suggest how to correct it, so selectedZakazka will be
> also selected after refresh?
>
> Many thanks,
> Tomas
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