/**
   * Display the current instance of LieuDit in editor
   *
   * @param entity the LieuDitProxy to be displayed
   */
  private void viewLieuDit(LieuDitProxy entity) {

    /* display instance information */
    setTitle(NLS.constants().lieuDit_name() + ": " + EpicamRenderer.get().getDisplayValue(entity));
    setMetaData((ImogBeanProxy) entity);

    /* push the instance to the editor in view mode */
    request = requestFactory.lieuDitRequest();
    current = request.edit(entity);
    if (current.getDescription() == null) {
      LocalizedTextProxy newDescription = request.create(LocalizedTextProxy.class);
      current.setDescription(newDescription);
    }
    if (current.getCoordonnees() == null) {
      GeoFieldProxy newCoordonnees = request.create(GeoFieldProxy.class);
      current.setCoordonnees(newCoordonnees);
    }

    editor.setEditedValue(current);

    /* set request context for list editor operations */
    editor.setRequestContextForListEditors(request);

    editorDriver.edit(current, request);
    editor.setEdited(false);

    /* update field widgets in editor */
    editor.computeVisibility(null, true);

    /* display edit button */
    if (AccessManager.canEditLieuDit()) setModifiable(true);

    showGlassPanel = false;
    EpicamEntryPoint.GP.hide();
  }
  /** Persist the current instance of LieuDit */
  @Override
  protected void save() {

    editor.validateFields();

    editorDriver.flush();

    // Check for errors on the client side
    if (editorDriver.hasErrors()) {
      // Window.alert("LieuDit form not validated locally");
      return;
    }

    Request<Void> saveRequest = request.save(current, isNew);
    saveRequest.to(
        new Receiver<Void>() {
          @Override
          public void onSuccess(Void response) {
            requestFactory.getEventBus().fireEvent(new SaveLieuDitEvent(current, initField));
            closeForm();
          }

          @Override
          public void onConstraintViolation(Set<ConstraintViolation<?>> errors) {
            // Window.alert("LieuDit form not validated on server");

            // TODO manage errors on client side when made available by GWT
            if (errors != null && errors.size() > 0) {
              // convert ConstraintViolation to get localized messages
              EpicamRenderer renderer = EpicamRenderer.get();
              Set<ConstraintViolation<?>> imogErrors = new HashSet<ConstraintViolation<?>>();
              for (ConstraintViolation<?> error : errors) {
                ImogConstraintViolation violation = new ImogConstraintViolation();
                violation.setLeafBean((BaseProxy) error.getLeafBean());
                violation.setPropertyPath(error.getPropertyPath());
                violation.setRootBean((BaseProxy) error.getRootBean());
                violation.setMessage(renderer.getI18nErrorMessage(error.getMessage()));
                imogErrors.add(violation);
              }
              editorDriver.setConstraintViolations(imogErrors);
            }
          }

          @Override
          public void onFailure(ServerFailure error) {
            Window.alert("Error updating the LieuDit");
            super.onFailure(error);
          }
        });

    request.fire();
  }
  /**
   * Get an existing instance of LieuDit
   *
   * @param entityId the id of the LieuDitProxy to be fetched
   */
  private void fetchLieuDit(String entityId) {

    LieuDitRequest request = requestFactory.lieuDitRequest();

    /* get the LieuDit instance from database */
    Request<LieuDitProxy> fetchRequest = request.findById(entityId);
    fetchRequest.with("description");
    fetchRequest.with("coordonnees");

    fetchRequest
        .to(
            new Receiver<LieuDitProxy>() {
              @Override
              public void onSuccess(LieuDitProxy entity) {
                viewLieuDit(entity);
              }
            })
        .fire();
  }
  /** Create a new instance of LieuDit */
  private void createNewLieuDit() {

    request = requestFactory.lieuDitRequest();

    /* create a new intance of LieuDit */
    LieuDitProxy newLieuDit = request.create(LieuDitProxy.class);
    newLieuDit.setId(ImogKeyGenerator.generateKeyId("LD"));
    LocalizedTextProxy newDescription = request.create(LocalizedTextProxy.class);
    newLieuDit.setDescription(newDescription);
    GeoFieldProxy newCoordonnees = request.create(GeoFieldProxy.class);
    newLieuDit.setCoordonnees(newCoordonnees);

    /* push the instance to the editor */
    current = newLieuDit;
    editorDriver.edit(current, request);

    /* set request context for list editor operations */
    editor.setRequestContextForListEditors(request);

    /* update field widgets in editor */
    editor.computeVisibility(null, true);
    editor.setEdited(true);
  }