I finally got it working.
The problem was that my "demandes" variable, which contains the list of data
that i want to use to populate the celltable, was not initialized ...
Thanks to SVR for pointing it out in the first place !
On Mon, Apr 25, 2011 at 3:40 PM, SVR <svr...@gmail.com> wrote:
> I didnt go through your code :-), but you can create a new class that
> implements
> ColumnSortEvent.Handler and add it using addColumnSortHandler().
> You can pass the columns to the class constructor and onColumnSort
> you can check the column being sorted like so:
> if (event.getColumn().equals(column1)) {
> }
> else if (event.getColumn().equals(column2)) {
> }
> and so on.
> Hope this helps.
>
>
> On Fri, Apr 22, 2011 at 1:36 PM, Celinio <cel...@gmail.com> wrote:
>
>> Hi,
>> I am using GWT 2.2 and the new CellTable sorting features, as described
>> here :
>>
>> http://code.google.com/intl/fr-FR/webtoolkit/doc/latest/DevGuideUiCellTable.html
>>
>> There is a strange error (Umbrella exception, nothing else) when I use the
>> columnSortHandler.setComparator(...) method.
>> I commented it out.
>>
>> If i use the addColumnSortHandler(new ColumnSortEvent.Handler() { ...}
>> method, it works.
>>
>> However on one column only. I want to be able to sort the table, on
>> whichever column i click on.
>>
>> So i'm stuck :
>> either i figure out what's wrong with the setComparator(..) method
>> or i use the addColumnSortHandler(...) and in that case i need to figure
>> out how to retrieve the name of the column
>> that is currently sorted.
>> Does anyone know what could be wrong ?
>> Thanks
>>
>> Here is the code :
>> package
>> com.francetelecom.voltage.gestion.presentation.client.mvp.view.impl;
>>
>> import java.util.ArrayList;
>> import java.util.Collections;
>> import java.util.Comparator;
>> import java.util.List;
>>
>> import com.ft.v.g.presentation.client.GwtApplication;
>> import com.ft.v.g.presentation.client.mvp.presenter.ListPresenter;
>> import com.ft.v.g.presentation.client.mvp.view.ListView;
>> import com.ft.v.g.presentation.client.ui.RecherchePanel;
>> import com.ft.v.g.presentation.client.ui.SimpleHasFeedback;
>> import com.ft.v.model.DemandeBean;
>> import com.google.gwt.cell.client.ClickableTextCell;
>> import com.google.gwt.cell.client.FieldUpdater;
>> import com.google.gwt.core.client.GWT;
>> import com.google.gwt.safehtml.shared.SafeHtml;
>> import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
>> import com.google.gwt.text.shared.AbstractSafeHtmlRenderer;
>> import com.google.gwt.text.shared.SafeHtmlRenderer;
>> import com.google.gwt.user.cellview.client.CellTable;
>> import com.google.gwt.user.cellview.client.Column;
>> import com.google.gwt.user.cellview.client.ColumnSortEvent;
>> import com.google.gwt.user.cellview.client.SimplePager;
>> import com.google.gwt.user.cellview.client.TextColumn;
>> import com.google.gwt.user.cellview.client.ColumnSortEvent.ListHandler;
>> import com.google.gwt.user.cellview.client.SimplePager.TextLocation;
>> import com.google.gwt.user.client.ui.Composite;
>> import com.google.gwt.user.client.ui.FlowPanel;
>> import com.google.gwt.user.client.ui.HTML;
>> import com.google.gwt.user.client.ui.Widget;
>> import com.google.gwt.view.client.Range;
>> import com.google.gwt.view.client.RangeChangeEvent;
>> import com.google.gwt.view.client.RangeChangeEvent.Handler;
>>
>>
>> public class DemandesListViewImpl extends Composite implements
>> ListView<DemandeBean> {
>>
>>
>> private RecherchePanel rp = new RecherchePanel();
>>
>> private final CellTable<DemandeBean> demandeTable;
>> private final SimplePager pager;
>> private final static int PAGE_SIZE = 7;
>> private List<DemandeBean> demandes;
>> private SimpleHasFeedback feedback;
>>
>> private ListPresenter<DemandeBean> presenter;
>>
>> public DemandesListViewImpl() {
>>
>>
>>
>> feedback = new SimpleHasFeedback();
>> // Create a CellTable.
>> demandeTable = new CellTable<DemandeBean>();
>> demandeTable.getElement().setId("marketlist");
>> demandeTable.setPageSize(PAGE_SIZE);
>> demandeTable.setRowCount(0, true);
>>
>> demandeTable.addRangeChangeHandler(new Handler() {
>>
>> public void onRangeChange(RangeChangeEvent event) {
>>
>> Range range = demandeTable.getVisibleRange();
>> int start = range.getStart();
>> int length = range.getLength();
>> List<DemandeBean> toSet = new
>> ArrayList<DemandeBean>(length);
>> for (int i = start; i < start + length && i <
>> demandes.size(); i++)
>> toSet.add(demandes.get(i));
>> demandeTable.setRowData(start, toSet);
>>
>> }
>> });
>>
>> // Create a Pager to control the table.
>> SimplePager.Resources pagerResources = GWT
>> .create(SimplePager.Resources.class);
>> pager = new SimplePager(TextLocation.CENTER, pagerResources,
>> false, 0,
>> true);
>> pager.setDisplay(demandeTable);
>>
>> // Create id column.
>> TextColumn<DemandeBean> idColumn = new TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> //return demande.getId().toString();
>> return String.valueOf(demande.getIdDemande());
>> }
>>
>> };
>>
>> // renderer for nameColumn
>> SafeHtmlRenderer<String> nameColumnRenderer = new
>> AbstractSafeHtmlRenderer<String>() {
>>
>> public SafeHtml render(String object) {
>>
>> SafeHtmlBuilder builder = new SafeHtmlBuilder();
>> builder.appendHtmlConstant("<a>");
>> builder.appendEscaped(object);
>> builder.appendHtmlConstant("</a>");
>> return builder.toSafeHtml();
>> }
>>
>> };
>>
>> // Create id column.
>> TextColumn<DemandeBean> etatColumn = new TextColumn<DemandeBean>()
>> {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> return
>> demande.getEtatDemande().getNomCourt().toString();
>> }
>>
>> };
>>
>>
>> // Date réception
>> Column<DemandeBean, String> dateReceptionColumn = new
>> Column<DemandeBean, String>(
>> new ClickableTextCell(nameColumnRenderer)) {
>>
>> @Override
>> public String getValue(DemandeBean demandeBean) {
>>
>> //String dateReception =
>> demandeBean.getDateReception().toString();
>> //Date converti =
>> VoltageUtils.convertirFormatDate(dateReception);
>>
>> return demandeBean.getDateReception().toString();
>> //return converti.toString();
>> }
>> };
>>
>>
>> /*
>> // Create name column.
>> Column<DemandeBean, String> nameColumn = new Column<DemandeBean,
>> String>(
>> new ClickableTextCell(nameColumnRenderer)) {
>>
>> @Override
>> public String getValue(DemandeBean demandeBean) {
>> return demandeBean.getName();
>> }
>> };
>>
>> nameColumn.setFieldUpdater(new FieldUpdater<DemandeBean, String>()
>> {
>> public void update(int index, DemandeBean demandeBean, String
>> value) {
>> if (presenter != null) {
>> presenter.onEditClicked(demandeBean);
>> }
>> }
>> }
>>
>> );
>> */
>>
>> // renderer for nameColumn
>> SafeHtmlRenderer<String> deleteColumnRenderer = new
>> AbstractSafeHtmlRenderer<String>() {
>>
>> public SafeHtml render(String object) {
>> SafeHtmlBuilder builder = new SafeHtmlBuilder();
>>
>> builder.appendHtmlConstant("<a><img
>> src=\"images/btnDelete.gif\"/></a>");
>> return builder.toSafeHtml();
>> }
>>
>> };
>>
>> // delete column.
>> Column<DemandeBean, String> deleteColumn = new Column<DemandeBean,
>> String>(
>> new ClickableTextCell(deleteColumnRenderer)) {
>>
>> @Override
>> public String getValue(DemandeBean demandeBean) {
>> return GwtApplication.constantes.button_delete();
>> }
>> };
>>
>> deleteColumn.setFieldUpdater(new FieldUpdater<DemandeBean,
>> String>() {
>> public void update(int index, DemandeBean demandeBean, String
>> value) {
>> if (presenter != null) {
>> presenter.onDeleteClicked(demandeBean);
>> }
>> }
>> }
>>
>> );
>>
>> /*
>> // Create description column.
>> TextColumn<DemandeBean> descriptionColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> //return demande.getDescription();
>> return demande.getAutorite();
>> }
>> };
>> */
>>
>>
>>
>> // Colonne TYPE
>> TextColumn<DemandeBean> typeColumn = new TextColumn<DemandeBean>()
>> {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> return demande.getTypeDemande();
>> }
>> };
>>
>> // Colonne MEDIA
>> TextColumn<DemandeBean> mediaColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> return demande.getTypeMedia();
>> }
>> };
>> mediaColumn.setSortable(true);
>>
>> // Colonne Autorite
>> TextColumn<DemandeBean> autoriteColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> return demande.getAutorite();
>> }
>> };
>>
>> autoriteColumn.setSortable(true);
>>
>>
>> /*
>>
>> List<DemandeBean> newData = new
>> ArrayList(demandeTable.getVisibleItems());
>>
>> //ListHandler<DemandeBean> columnSortHandler = new
>> ListHandler<DemandeBean>(demandes);
>> ListHandler<DemandeBean> columnSortHandler = new
>> ListHandler<DemandeBean>(newData);
>> GWT.log("taille newData : " + newData.size());
>>
>>
>>
>> columnSortHandler.setComparator(mediaColumn, new
>> Comparator<DemandeBean>() {
>> public int compare(DemandeBean o1, DemandeBean o2) {
>>
>> GWT.log("appel compare");
>> if (o1 == o2) {
>> return 0;
>> }
>> // Compare the name columns.
>> if (o1 != null) {
>> return (o2 != null) ?
>> o1.getTypeMedia().compareTo(o2.getTypeMedia()) : 1;
>>
>> }
>> return -1;
>> }
>> });
>> demandeTable.addColumnSortHandler(columnSortHandler);
>>
>> */
>>
>>
>> demandeTable.addColumnSortHandler(new ColumnSortEvent.Handler()
>> {
>> public void onColumnSort(ColumnSortEvent event) {
>>
>> // La colonne triée
>> Column a = event.getColumn();
>>
>>
>> GWT.log("appel de onColumnSort");
>> List<DemandeBean> newData = new
>> ArrayList(demandeTable.getVisibleItems());
>>
>> if (event.isSortAscending()) {
>> GWT.log("Ordre ascendant");
>> Collections.sort(newData, new
>> Comparator<DemandeBean>() {
>> public int compare(DemandeBean o1, DemandeBean
>> o2) {
>> if (o1 == o2) {
>> return 0;
>> }
>> if (o1 != null) {
>> return (o2 != null) ?
>> o1.getAutorite().compareTo(o2.getAutorite()) : 1;
>> }
>> return -1;
>> }
>> }
>> );
>> } else {
>> GWT.log("Ordre descendant");
>> Collections.sort(newData, new
>> Comparator<DemandeBean>() {
>> public int compare(DemandeBean o1, DemandeBean
>> o2) {
>> if (o1 == o2) {
>> return 0;
>> }
>> if (o1 != null) {
>> return (o2 != null) ?
>> o2.getAutorite().compareTo(o1.getAutorite()) : 1;
>> }
>> return -1;
>> }
>> }
>> );
>> }
>> Range range = demandeTable.getVisibleRange();
>> int start = range.getStart();
>> demandeTable.setRowData(start, newData);
>> }
>> });
>>
>>
>>
>> // Colonne operateur
>> TextColumn<DemandeBean> operateurColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> //return demande.getDescription();
>> return demande.getOperateur();
>> }
>> };
>>
>> // Colonne operateur
>> TextColumn<DemandeBean> urgenceColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> //return demande.getDescription();
>> return String.valueOf(demande.getNiveauUrgenceAutorite());
>> }
>> };
>>
>> // Colonne operateur
>> TextColumn<DemandeBean> prestationColumn = new
>> TextColumn<DemandeBean>() {
>>
>> @Override
>> public String getValue(DemandeBean demande) {
>> //return demande.getDescription();
>> return String.valueOf(demande.getPrestation());
>> }
>> };
>>
>> /*
>> demandeTable.addColumn(idColumn,
>> GwtApplication.constantes.column_marketId());
>> demandeTable.addColumn(nameColumn,
>> GwtApplication.constantes.column_marketName());
>> demandeTable.addColumn(descriptionColumn,
>> GwtApplication.constantes.column_marketDescription());
>> demandeTable.addColumn(deleteColumn, "");
>> */
>>
>> demandeTable.addColumn(deleteColumn, "");
>> demandeTable.addColumn(etatColumn, "Etat");
>> demandeTable.addColumn(idColumn, "N° demande");
>> demandeTable.addColumn(autoriteColumn,"Autorité");
>>
>> demandeTable.getColumnSortList().push(autoriteColumn);
>>
>>
>> demandeTable.addColumn(typeColumn,"Type");
>> demandeTable.addColumn(prestationColumn,"Code");
>> demandeTable.addColumn(mediaColumn, "Media");
>> demandeTable.addColumn(urgenceColumn,"Urgence");
>>
>> demandeTable.addColumn(dateReceptionColumn,"Date réception");
>> //demandeTable.addColumn(descriptionColumn,"ID_AUTORITE");
>>
>> //demandeTable.addColumn(operateurColumn,"Opérateur");
>>
>>
>> initWidget(getDisplay());
>> }
>>
>> private Widget getDisplay() {
>>
>> // main panel is content panel
>>
>> // content panel configuration
>>
>> FlowPanel content = new FlowPanel();
>> content.getElement().setId("content");
>> content.add(new HTML("<center><h2>"
>> + GwtApplication.constantes.corbeilleDemandes_title() +
>> "</h2></center>"));
>>
>> content.add(rp);
>>
>> content.add(new HTML("<h4>"
>> + GwtApplication.constantes.marketPage_result() +
>> "</h4>"));
>> content.add(feedback);
>>
>>
>>
>>
>>
>> content.add(demandeTable);
>> content.add(pager);
>>
>>
>> content.setWidth("100%");
>>
>>
>>
>> /*
>> FlowPanel content = new FlowPanel();
>> PaginatedTable table = new PaginatedTable(new TableTestModel());
>> content.add(table);
>> */
>>
>> return content;
>>
>> }
>>
>> public void setData(List<DemandeBean> demandes) {
>>
>> if (null != demandes) {
>> GWT.log("setData : demandes pas nul");
>> } else {
>> GWT.log("setData : demandes est nul");
>> }
>> this.demandes = demandes;
>> demandeTable.setRowCount(demandes.size(), true);
>> demandeTable.setRowData(0, demandes);
>> demandeTable.setVisible(!this.demandes.isEmpty());
>> pager.setVisible(!this.demandes.isEmpty());
>> }
>>
>> public void setPresenter(ListPresenter<DemandeBean> presenter) {
>> this.presenter = presenter;
>> }
>>
>> public void reset() {
>> feedback.clear();
>> }
>>
>> public void error() {
>> feedback.error(GwtApplication.constantes.error_internal());
>> }
>>
>> public void noData() {
>> this.setData(new ArrayList<DemandeBean>());
>> feedback.info(GwtApplication.messages.list_counter_none());
>> }
>>
>> public boolean confirmDeletion(DemandeBean demandeBean) {
>> return feedback.confirm(GwtApplication.messages
>>
>> .deleteMarketPage_confirm(String.valueOf(demandeBean.getId())));
>>
>> }
>>
>> }
>>
>>
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