Java Code Examples for com.google.gwt.core.client.GWT

@Override
protected void init() {
    super.init();
    contextMenu = GWT.create(VContextMenu.class);
    contextMenu.connector = this;
    contextMenuRoot = contextMenu.addItem("", null);
    contextMenuRoot.setSubMenu(new VContextMenu(true, contextMenu));

    registerRpc(ContextMenuClientRpc.class, new ContextMenuClientRpc() {
        @Override
        public void showContextMenu(int x, int y) {
            contextMenu.showRootMenu(x, y);
        }
    });

}
 

public void initPageAsync(final String page) {
	GWT.runAsync(new RunAsyncCallback() {
		public void onSuccess() {
			init(page);
			LoadingWidget.getInstance().hide();
		}
		public void onFailure(Throwable reason) {
			Label error = new Label(MESSAGES.failedToLoadPage(reason.getMessage()));
			error.setStyleName("unitime-ErrorMessage");
			RootPanel loading = RootPanel.get("UniTimeGWT:Loading");
			if (loading != null) loading.setVisible(false);
			RootPanel.get("UniTimeGWT:Body").add(error);
			LoadingWidget.getInstance().hide();
			UniTimeNotifications.error(MESSAGES.failedToLoadPage(reason.getMessage()), reason);
		}
	});
}
 

public void updateResource(ModelNode address, SecurityContext securityContext, ModelNode description, ModelNode resource) {

        // description
        nodeHeader.updateDescription(address,description);
        descView.updateDescription(address, description);

        // data
        final List<Property> tokens = address.asPropertyList();
        String name = tokens.isEmpty() ? DEFAULT_ROOT : tokens.get(tokens.size()-1).getValue().asString();

        if(resource.isDefined())
            formView.display(address, description, securityContext, new Property(name, resource));
        else
            formView.clearDisplay();

        if(!GWT.isScript())
        {
            securityView.display(securityContext);
        }
    }
 

@Test
@Description("Verifies that drag source is valid for the configured id (strict mode)")
public void matchInStrictMode() {
    final ItemIdClientCriterion cut = new ItemIdClientCriterion();

    // prepare drag-event:
    final String testId = "thisId";
    final VDragEvent dragEvent = CriterionTestHelper.createMockedVDragEvent(testId);

    // prepare configuration:
    final UIDL uidl = GWT.create(UIDL.class);
    final String configuredId = "component0";
    final String id = "thisId";
    when(uidl.getStringAttribute(configuredId)).thenReturn(id);
    final String configuredMode = "m";
    final String strictMode = "s";
    when(uidl.getStringAttribute(configuredMode)).thenReturn(strictMode);
    final String count = "c";
    when(uidl.getIntAttribute(count)).thenReturn(1);

    // act
    final boolean result = cut.accept(dragEvent, uidl);

    // verify that in strict mode: [thisId equals thisId]
    assertThat(result).as("Expected: [" + id + " equals " + testId + "].").isTrue();
}
 

/**
 * Decodes a value encoded on the server using
 * {@link JsonCodec#encodeWithoutTypeInfo(Object)}. This is a no-op in
 * compiled JavaScript since the JSON representation can be used as-is, but
 * some special handling is needed for tests running in the JVM.
 *
 * @param json
 *            the JSON value to convert
 * @return the decoded Java value
 */
@SuppressWarnings("boxing")
public static Object decodeWithoutTypeInfo(JsonValue json) {
    if (GWT.isScript()) {
        return json;
    } else {
        // JRE implementation for cases that have so far been needed
        switch (json.getType()) {
        case BOOLEAN:
            return json.asBoolean();
        case STRING:
            return json.asString();
        case NUMBER:
            return json.asNumber();
        case NULL:
            return null;
        default:
            throw new IllegalArgumentException(
                    "Can't (yet) convert " + json.getType());
        }
    }
}
 

public RequestorImpl(FormDataSerializer formDataSerializer, RequestDispatcherFactory requestDispatcherFactory,
                     DeferredFactory deferredFactory) {
    this.formDataSerializer = formDataSerializer;
    this.requestDispatcherFactory = requestDispatcherFactory;
    this.deferredFactory = deferredFactory;

    // init processor
    serializationEngine = new SerializationEngine(serdesManager, providerManager);
    final FilterEngine filterEngine = new FilterEngine(filterManager);
    final InterceptorEngine interceptorEngine = new InterceptorEngine(interceptorManager);
    requestProcessor = new RequestProcessor(serializationEngine, filterEngine, interceptorEngine,
            formDataSerializer);

    // init dispatcher
    final ResponseProcessor responseProcessor = new ResponseProcessor(serializationEngine, filterEngine,
            interceptorEngine);
    requestDispatcher = requestDispatcherFactory.getRequestDispatcher(responseProcessor, deferredFactory);

    // register generated serdes to the requestor
    GeneratedJsonSerdesBinder.bind(serdesManager, providerManager);

    // perform initial set-up by user
    GWT.<RequestorInitializer>create(RequestorInitializer.class).configure(this);
}
 

public void setEmptyPlaceHolder(String value) {
    if (value == null) {
        // about to un-set emptyPlaceHolder
        if (emptyPlaceHolder != null) {
            // emptyPlaceHolder is about to change from null to non-null
            if (isEmptyPlaceHolderListed()) {
                // indeed first item is actually emptyPlaceHolder
                removeEmptyPlaceHolder();
            } else {
                GWT.log("WARNING: emptyPlaceHolder is set but not listed.", new IllegalStateException());
            }
        }   // else no change
    } else {
        if (!value.equals(emptyPlaceHolder)) {
            // adding emptyPlaceHolder
            insertEmptyPlaceHolder(value);
        }   // else no change
    }

    emptyPlaceHolder = value;
}
 

/**
 * Initialize the Map widget and default zoom/position
 */
private void initializeMap() {
   // Create a map centered on Cawker City, KS USA
   final MapOptions opts = MapOptions.newInstance();
   if (opts == null) {
      GWT.log("MapOptions was null");
   }
   final LatLng center = LatLng.newInstance(30.0, 0.00);
   opts.setCenter(center);
   opts.setZoom(2);

   _map = new MapWidget(opts);

   // Register map click handler
   _map.addClickHandler(this);
   RootLayoutPanel.get().add(_map);
}
 

public void insert(final RootPanel panel) {
	initCallbacks();
	iOfferingId = Long.valueOf(panel.getElement().getInnerText());
	if (ReservationCookie.getInstance().getReservationCoursesDetails()) {
		refresh();
	} else {
		clear(false);
		iHeader.clearMessage();
		iHeader.setCollapsible(false);
	}
	panel.getElement().setInnerText(null);
	panel.add(this);
	panel.setVisible(true);
	addReservationClickHandler(new ReservationClickHandler() {
		@Override
		public void onClick(ReservationClickedEvent evt) {
			ToolBox.open(GWT.getHostPageBaseURL() + "gwt.jsp?page=reservation&id=" + evt.getReservation().getId() + "&reservations=" + getReservationIds());
		}
	});
}
 

public double readDouble() throws IOException {
    // See  https://issues.jboss.org/browse/AS7-4126
    //return IEEE754.toDouble(bytes[pos++], bytes[pos++], bytes[pos++], bytes[pos++], bytes[pos++], bytes[pos++], bytes[pos++], bytes[pos++]);
    byte doubleBytes[] = new byte[8];
    readFully(doubleBytes);

    // a workaround: I couldn't figure out why
    // one method fails in web mode and the other in hosted mode.
    if(GWT.isScript()) {
        return IEEE754.toDouble(doubleBytes);
    }
    else {
        return IEEE754.toDouble(
                doubleBytes[0],
                doubleBytes[1],
                doubleBytes[2],
                doubleBytes[3],
                doubleBytes[4],
                doubleBytes[5],
                doubleBytes[6],
                doubleBytes[7]);
    }

}
 

/**
 * Creates a display widget for the gadget.
 *
 * @param element ContentElement from the wave.
 * @param blip gadget blip.
 * @return display widget for the gadget.
 */
public static GadgetWidget createGadgetWidget(ContentElement element, WaveletName waveletName,
    ConversationBlip blip, ObservableSupplementedWave supplement,
    ProfileManager profileManager, Locale locale, String loginName) {

  final GadgetWidget widget = GWT.create(GadgetWidget.class);

  widget.element = element;
  widget.editingIndicator =
    new BlipEditingIndicator(element.getRenderedContentView().getDocumentElement());
  widget.ui = new GadgetWidgetUi(widget.getGadgetName(), widget.editingIndicator);
  widget.state = StateMap.create();
  initializeGadgets();
  widget.blip = blip;
  widget.initializeGadgetContainer();
  widget.ui.setGadgetUiListener(widget);
  widget.waveletName = waveletName;
  widget.supplement = supplement;
  widget.profileManager = profileManager;
  widget.locale = locale;
  widget.loginName = loginName;
  supplement.addListener(widget);
  return widget;
}
 

private ComboBox<VectorLayerInfo> initLayerCombo1() {
					
	VectorLayerProperties properties = GWT
			.create(VectorLayerProperties.class);

	layerStore1 = new ListStore<VectorLayerInfo>(properties.key());

	layerCombo1 = new ComboBox<VectorLayerInfo>(layerStore1,
			properties.name());
	layerCombo1.setEmptyText((UIMessages.INSTANCE.sbLayerComboEmptyText()));
	layerCombo1.setTypeAhead(true);
	layerCombo1.setTriggerAction(TriggerAction.ALL);
	layerCombo1.setForceSelection(true);
	layerCombo1.setEditable(false);
	layerCombo1.enableEvents();
	layerCombo1.setWidth(width);

	layerCombo1.addSelectionHandler(new SelectionHandler<VectorLayerInfo>() {
		@Override
		public void onSelection(SelectionEvent<VectorLayerInfo> event) {
			layerCombo1.setValue(event.getSelectedItem(), true);
		}
	});

	return layerCombo1;
}
 

public VertexStyleComboBox(String width) {
	super(new ListStore<VertexStyleDef>(
			((VertexStyleDefProperties)GWT.create(VertexStyleDefProperties.class)).key()),
			((VertexStyleDefProperties)GWT.create(VertexStyleDefProperties.class)).name(),
			new AbstractSafeHtmlRenderer<VertexStyleDef>() {
				final VertexStyleComboTemplates comboBoxTemplates = GWT
						.create(VertexStyleComboTemplates.class);

				public SafeHtml render(VertexStyleDef item) {
					return comboBoxTemplates.vertexStyle(item.getImage()
							.getSafeUri(), item.getName());
				}
			});
	
	setWidth(width);
	setTypeAhead(true);
	setEmptyText(UIMessages.INSTANCE.sbLayerComboEmptyText());
	setTriggerAction(TriggerAction.ALL);
	setForceSelection(true);
	setEditable(false);
	enableEvents();
	
	getStore().addAll(VertexStyles.getAll());
}
 

public static String webstartURL(String appName, Map<String, String> params) {
	StringBuffer url = new StringBuffer(GWT.getHostPageBaseURL());
	url.append("webstart/");
	url.append(appName);
	url.append(".jsp?random=");
	url.append(new Date().getTime());
	url.append("&language=");
	url.append(I18N.getLocale());
	url.append("&docLanguage=");
	url.append(I18N.getDefaultLocaleForDoc());
	url.append("&sid=");
	url.append(Session.get().getSid());
	if (params != null)
		for (String p : params.keySet()) {
			url.append("&");
			url.append(p);
			url.append("=");
			url.append(URL.encode(params.get(p)));
		}
	return url.toString();
}
 

public void authenticate() {
	if (!CONSTANTS.allowUserLogin()) {
		if (isAllowLookup())
			doLookup();
		else
			ToolBox.open(GWT.getHostPageBaseURL() + "login.do?target=" + URL.encodeQueryString(Window.Location.getHref()));
		return;
	}
	AriaStatus.getInstance().setText(ARIA.authenticationDialogOpened());
	iError.setVisible(false);
	iDialog.center();
	Scheduler.get().scheduleDeferred(new ScheduledCommand() {
		@Override
		public void execute() {
			iUserName.selectAll();
			iUserName.setFocus(true);
		}
	});
}
 

/**
 * Returns a new instance of the given type that implements methods as
 * described in the class description.
 *
 * @param type interface to be implemented by the returned type.
 */
@Override
public ClientBundle getFake(Class<?> type) {
  return (ClientBundle) Proxy.newProxyInstance(
      FakeClientBundleProvider.class.getClassLoader(),
      new Class<?>[] {type},
      new InvocationHandler() {
        @Override
        public Object invoke(Object proxy, Method method, Object[] args) throws Exception {
          Class<?> returnType = method.getReturnType();
          if (CssResource.class.isAssignableFrom(returnType)) {
            return GWT.create(returnType);
          } else {
            return createFakeResource(returnType, method.getName());
          }
        }
      });
}
 

@Override
public void onSuccess(BootstrapContext context) {
    LoadingPanel.get().off();

    // DMR notifications
    Notifications.addReloadHandler(Console.this);

   /* StringBuilder title = new StringBuilder();
    title.append(context.getProductName()).append(" Management");
    if (context.getServerName() != null) {
        title.append(" | ").append(context.getServerName());
    }
    Window.setTitle(title.toString());*/

    ProductConfig productConfig = GWT.create(ProductConfig.class);
    new LoadMainApp(productConfig, context, MODULES.getPlaceManager(), MODULES.getTokenFormatter()).execute();
}
 

@Override
public void refresh() {
	clear();
	RoomCookie cookie = RoomCookie.getInstance();
	if (iPattern != null && !iPattern.isEmpty() && !cookie.isGridAsText()) {
		final Image availability = new Image(GWT.getHostPageBaseURL() + "pattern?pref=" + iPattern + "&v=" + (cookie.areRoomsHorizontal() ? "0" : "1") + (cookie.hasMode() ? "&s=" + cookie.getMode() : ""));
		availability.setStyleName("grid");
		add(availability);
	} else {
		for (PreferenceInfo p: iPreferences) {
			P prf = new P("prf");
			prf.setText(p.getOwnerName());
			PreferenceInterface preference = iProperties.getPreference(p.getPreference());
			if (preference != null) {
				prf.getElement().getStyle().setColor(preference.getColor());
				prf.setTitle(preference.getName() + " " + p.getOwnerName());
			}
			add(prf);
		}
	}
}
 

LinkCell(RoomPictureInterface picture) {
super(new Image(RESOURCES.download()), GWT.getHostPageBaseURL() + "picture?id=" + picture.getUniqueId());
setStyleName("link");
setTitle(picture.getName() + (picture.getPictureType() == null ? "" : " (" + picture.getPictureType().getLabel() + ")"));
setText(picture.getName() + (picture.getPictureType() == null ? "" : " (" + picture.getPictureType().getAbbreviation() + ")"));
      setTarget("_blank");
      sinkEvents(Event.ONCLICK);
  }
 

/**
 * Make this item active.
 */
@Override
public void setActive(boolean active) {
    this.active = active;

    if (parent != null) {
        fireCollapsibleHandler();
        removeStyleName(CssName.ACTIVE);
        if (header != null) {
            header.removeStyleName(CssName.ACTIVE);
        }
        if (active) {
            if (parent.isAccordion()) {
                parent.clearActive();
            }
            addStyleName(CssName.ACTIVE);

            if (header != null) {
                header.addStyleName(CssName.ACTIVE);
            }
        }

        if (body != null) {
            body.setDisplay(active ? Display.BLOCK : Display.NONE);
        }
    } else {
        GWT.log("Please make sure that the Collapsible parent is attached or existed.", new IllegalStateException());
    }
}
 

@Override
public PushManager getPushManager() {
    if (registration != null) {
        return registration.pushManager;
    } else {
        GWT.log("Service worker is not yet registered", new IllegalStateException());
    }
    return null;
}
 

public static ZonalOCRServiceAsync get() {
	if (instance == null) {
		instance = GWT.create(ZonalOCRService.class);
		((ServiceDefTarget) instance).setRpcRequestBuilder(new LDRpcRequestBuilder());
	}
	return instance;
}
 

public void set(int index, double value) {
	if(GWT.isScript()) {
		stackNative.set(index, value);
	} else {
		stackJava.set(index, value);
	}
}
 

public static synchronized MithraCacheUiRemoteServiceAsync getInstance()
{
    if (instance == null)
    {
        instance = GWT.create(MithraCacheUiRemoteService.class);
    }
    return instance;
}
 

public static Toaster createToasterInstance(String id, int width, int height, String title, Canvas parentElem, int fadeout) {

        if (instance == null) {
            instance = new Toaster(id, width, height, title, parentElem, fadeout);
            instance.getToasterWindow();
        } else {
            GWT.log("Will not create another Toaster instance. Return already existing one.");
        }
        return instance;
    }
 

@Override
public void load() {
    if (date != null) {
        setValue(date);
    } else {
        GWT.log("You must specify the date value.", new IllegalStateException());
    }
}
 

void export(String type) {
	RoomCookie cookie = RoomCookie.getInstance();
	String query = "output=" + type;
	FilterRpcRequest requests = iFilterBox.getElementsRequest();
	if (requests.hasOptions()) {
		for (Map.Entry<String, Set<String>> option: requests.getOptions().entrySet()) {
			for (String value: option.getValue()) {
				query += "&r:" + option.getKey() + "=" + URL.encodeQueryString(value);
			}
		}
	}
	if (requests.getText() != null && !requests.getText().isEmpty()) {
		query += "&r:text=" + URL.encodeQueryString(requests.getText());
	}
	query += "&sort=" + InstructorCookie.getInstance().getSortTeachingAssignmentsBy() +
			"&columns=" + InstructorCookie.getInstance().getTeachingAssignmentsColumns() + 
			"&grid=" + (cookie.isGridAsText() ? "0" : "1") +
			"&vertical=" + (cookie.areRoomsHorizontal() ? "0" : "1") +
			(cookie.hasMode() ? "&mode=" + cookie.getMode() : "");
	RPC.execute(EncodeQueryRpcRequest.encode(query), new AsyncCallback<EncodeQueryRpcResponse>() {
		@Override
		public void onFailure(Throwable caught) {
		}
		@Override
		public void onSuccess(EncodeQueryRpcResponse result) {
			ToolBox.open(GWT.getHostPageBaseURL() + "export?q=" + result.getQuery());
		}
	});
}
 

@Override
protected SuggestPopup createSuggestionPopup() {
    SuggestPopup sp = GWT.create(CubaSuggestPopup.class);
    sp.setOwner(widget);
    setPopupPosition(sp);
    sp.setSuggestionSelectedListener(this);
    sp.show();
    return sp;
}
 

public static StampServiceAsync get() {
	if (instance == null) {
		instance = GWT.create(StampService.class);
		((ServiceDefTarget) instance).setRpcRequestBuilder(new LDRpcRequestBuilder());
	}
	return instance;
}
 

protected void openUrl(String name, String url, String target) {
	if (target == null)
		LoadingWidget.getInstance().show();
	if ("dialog".equals(target)) {
		UniTimeFrameDialog.openDialog(name, url);
	} else if ("download".equals(target)) {
		ToolBox.open(url);
	} else if ("eval".equals(target)) {
		ToolBox.eval(url);
	} else if ("tab".equals(target)) {
		Window.open(url, "_blank", "");
	} else {
		ToolBox.open(GWT.getHostPageBaseURL() + url);
	}
}