Hi,
someone can post a complete example of use of Data presentation
Widget?
it'll be also welcome an example of server side.
Thanks
Best regards
On 3 Giu, 14:14, Paul Stockley <pstockl...@gmail.com> wrote:
> Sorry my message got truncated:
>
> Your over complicating it. You should just subclass
> AsyncListViewAdapter such as:
>
> protected class residentAsyncAdapter extends
> AsyncListViewAdapter<ResidentListDO>{
> @Override
> protected void onRangeChanged(ListView<ResidentListDO> view) {
> Range newRange = view.getRange();
>
> updateViewData(newRange.getStart(),
> newRange.getLength(), <a list
> ofdatafor the requested range>);
> }
> }
>
> Then add the table as a view of the adapter
>
> CellTable<ResidentListDO> residentTable = new
> CellTable<ResidentListDO>(5);
>
> Column<ResidentListDO, String> unitColumn = new
> Column<ResidentListDO, String>(new TextCell()) {
> @Override
> public String getValue(ResidentListDO object) {
> return object.getUnit();
> }
>
> };
>
> residentTable.addColumn(unitColumn, "Unit");
>
> SimplePager<ResidentListDO> thePager = new
> SimplePager<ResidentListDO>(residentTable);
> residentTable.setPager(thePager);
>
> mainGridContainer.add(residentTable);
> pagerContainer.add(thePager);
>
> residentAsyncAdapter residentTableAdapter = new
> residentAsyncAdapter();
> residentTableAdapter.addView(view.residentTable);
> residentTableAdapter.updateDataSize(<size ofdataset>, true);
>
> If you have a list on the client already for thedataset it is even
> easier. Instead of using
> AsyncListViewAdapter use ListViewAdapter as follows:
>
> List<ResidentListDO> ourList = new ArrayList<ResidentListDO>();
> ListViewAdapter<ResidentListDO> residentTableAdapter = new
> ListViewAdapter<ResidentListDO>(ourList );
> residentTableAdapter.addView(view.residentTable);
> //No need to call updateDataSize
>
> On Jun 3, 7:52 am, Paul Stockley <pstockl...@gmail.com> wrote:
>
> > Your making it overly complicated:
>
> > For the case where you have all thedatain a list already:
>
> > Column<ResidentListDO, String> unitColumn = new
> > Column<ResidentListDO, String>(new TextCell()) {
> > @Override
> > public String getValue(ResidentListDO object) {
> > return object.getUnit();
> > }
> > };
>
> > Column<ResidentListDO, String> nameColumn = new
> > Column<ResidentListDO, String>(new TextCell()) {
> > @Override
> > public String getValue(ResidentListDO object) {
> > return object.getName();
> > }
> > };
>
> > residentTable.addColumn(unitColumn, "Unit");
> > residentTable.addColumn(nameColumn, "Name");
>
> > SimplePager<ResidentListDO> thePager = new
> > SimplePager<ResidentListDO>(residentTable);
> > residentTable.setPager(thePager);
>
> > mainGridContainer.add(residentTable);
> > pagerContainer.add(thePager);
>
> > residentTableAdapter = new residentAsyncAdapter();
>
> > On Jun 2, 11:18 pm, Andrew <yenchu.chen...@gmail.com> wrote:
>
> > > The following code is what I'm woking on, hope it can help you:
>
> > > protected void init() {
> > > VerticalPanel container = new VerticalPanel();
> > > initWidget(container);
>
> > > int pageSize = 10;
> > > CellTable<User> cellTable = new CellTable<User>(pageSize);
> > > setColumns(cellTable);
> > > setSelectionModel(cellTable);
>
> > > setDataSize(cellTable);
> > > int pageStart = 0;
> > > loadData(pageStart, pageSize, cellTable);
>
> > > SimplePager<User> pager = createPager(cellTable);
>
> > > container.add(cellTable);
> > > container.add(pager);
> > > }
>
> > > private SimplePager<User> createPager(final CellTable<User>
> > > cellTable) {
> > > SimplePager<User> pager = new SimplePager<User>(cellTable,
> > > SimplePager.TextLocation.CENTER) {
> > > public void
> > > onRangeOrSizeChanged(PagingListView<User> listView) {
> > > loadData(listView.getPageStart(),
> > > listView.getPageSize(),
> > > listView);
> > > super.onRangeOrSizeChanged(listView);
> > > }
> > > };
> > > return pager;
> > > }
>
> > > private void setColumns(CellTable<User> cellTable) {
> > > cellTable.addColumn(new TextColumn<User>() {
> > > @Override
> > > public String getValue(User user) {
> > > return user.getName();
> > > }
> > > }, new TextHeader("Name"));
>
> > > cellTable.addColumn(new TextColumn<User>() {
> > > @Override
> > > public String getValue(User user) {
> > > return user.getLocation();
> > > }
> > > }, new TextHeader("Location"));
> > > }
>
> > > private void setSelectionModel(CellTable<User> cellTable) {
> > > final SingleSelectionModel<User> selectionModel = new
> > > SingleSelectionModel<User>();
> > > SelectionChangeHandler selectionHandler = new
> > > SelectionChangeHandler() {
> > > @Override
> > > public void
> > > onSelectionChange(SelectionChangeEvent event) {
> > > User user =
> > > selectionModel.getSelectedObject();
> > > Window.alert(user.getId() + ": " +
> > > user.getName());
> > > }
> > > };
> > >
> > > selectionModel.addSelectionChangeHandler(selectionHandler);
> > > cellTable.setSelectionEnabled(true);
> > > cellTable.setSelectionModel(selectionModel);
> > > }
>
> > > private void setDataSize(final PagingListView<User> cellTable) {
> > > employeeRequest.countUsers(new AsyncCallback<Integer>() {
> > > public void onFailure(Throwable caught) {
> > > Window.alert("Request failure: " +
> > > caught.getMessage());
> > > }
>
> > > public void onSuccess(Integer result) {
> > > cellTable.setDataSize(result, true);
> > > }
> > > });
> > > }
>
> > > private void loadData(int start, int size,
> > > final PagingListView<User> cellTable) {
> > > employeeRequest.getUsers(start, size,
> > > new AsyncCallback<PagingData<User>>() {
> > > public void onFailure(Throwable
> > > caught) {
> > > Window.alert("Request
> > > failure: " + caught.getMessage());
> > > }
>
> > > public void
> > > onSuccess(PagingData<User> result) {
> > >
> > > cellTable.setData(result.getStart(),
> > >
> > > result.getLength(), result.getValues());
> > > }
> > > });
> > > }
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