Java GWT类代码示例

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
public void loadMainDocument(String url) {
    if (mode == DataSourceManagerMode.LOADING_ASSESSMENT || mode == DataSourceManagerMode.LOADING_ITEMS || "".equals(url)) {
        return;
    }

    mode = DataSourceManagerMode.LOADING_ASSESSMENT;

    String resolvedURL;

    resolvedURL = PathUtil.resolvePath(url, GWT.getHostPageBaseURL());

    new eu.ydp.empiria.player.client.util.file.xml.XmlDocument(resolvedURL, new DocumentLoadCallback<Document>() {

        @Override
        public void finishedLoading(Document document, String baseURL) {
            assesmentXML = new XmlData(document, baseURL);
            assessmentDataManager.initializeAssessmentData(assesmentXML);
        }

        @Override
        public void loadingError(String error) {
            assessmentDataManager.setAssessmentLoadingError(error);
            onLoadFinished();
        }
    });
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
public void testParseResponseFromNodeTest() {
    ResponseNodeJAXBParserFactory responseNodeJAXBParserFactory = GWT.create(ResponseNodeJAXBParserFactory.class);

    responseNodeParser = new ResponseNodeParser(responseNodeJAXBParserFactory, new ResponseBeanConverter());

    Response response = responseNodeParser.parseResponseFromNode(getResponseDeclaration());

    assertEquals(response.cardinality, Cardinality.MULTIPLE);
    assertEquals(response.identifier, "CONNECTION_RESPONSE_1");
    assertEquals(response.evaluate, Evaluate.CORRECT);
    assertEquals(response.cardinality, Cardinality.MULTIPLE);
    assertEquals(response.getCheckMode(), CheckMode.EXPRESSION);
    assertEquals(3, response.correctAnswers.getAllAnswers().size());
    assertEquals(response.correctAnswers.getAllAnswers().get(0), "CONNECTION_RESPONSE_1_0 CONNECTION_RESPONSE_1_1");
    assertEquals(response.correctAnswers.getAllAnswers().get(1), "CONNECTION_RESPONSE_1_0 CONNECTION_RESPONSE_1_2");
    assertEquals(response.correctAnswers.getAllAnswers().get(2), "CONNECTION_RESPONSE_1_3 CONNECTION_RESPONSE_1_4");
    assertEquals(response.getID(), "CONNECTION_RESPONSE_1"); // checkMode
    assertEquals(response.getAppropriateCountMode(), CountMode.SINGLE);
    assertEquals(response.groups.get(0), "x1");
    assertEquals(response.groups.get(1), "x2");
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
public void onModuleLoad() {
	ScriptInjector.fromUrl(GWT.getModuleBaseURL()+"bower_components/webcomponents-lite.min.js").setWindow(ScriptInjector.TOP_WINDOW).setCallback(
               new Callback<Void, Exception>() {
                   @Override
                   public void onSuccess(Void result) {
					LOGGER.info("injection success");
					importPolymer();
				}

				@Override
				public void onFailure(Exception reason) {

				}
			}).inject();


	LOGGER.info("Initializing Layout client UI module ...");
	new ModuleConfigurator().configureModule(new LayoutUIModuleConfiguration());
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
@AfterInitialization
public void afterInitialization() {
    authenticationServiceCaller.call(new RemoteCallback<User>() {
        @Override
        public void callback(User user) {
            Label userLabel = new Label(
                    "User logged in: username=" + user.getIdentifier() + ", roles=" + user.getRoles());
            RootPanel.get().add(userLabel);
            SimplePanel panel = new SimplePanel();
            Anchor logoutLink = new Anchor("Spring Security Logout URL", GWT.getHostPageBaseURL() + "logout");
            panel.add(logoutLink);
            RootPanel.get().add(panel);
            initBtns();
        }
    }).getUser();
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
public GeoprocessComboBox(Collection<Geoprocess> spatialOperations) {
	super(new ListStore<Geoprocess>(
			((GeoprocessProperties)GWT.create(GeoprocessProperties.class)).key()),
			((GeoprocessProperties)GWT.create(GeoprocessProperties.class)).name());
	initialize();
	getStore().addAll(spatialOperations);
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
/**
 * Injects ChartJS if not injected yet.
 */
static void ensureInjected() {
	if (!injected) {
		// gets resource
		Resources res = GWT.create(Resources.class);
		// gets source of ChartJS
		String source = res.chartJsSource().getText();
		// creates a script element
		ScriptElement scriptElement = Document.get().createScriptElement();
		// sets ID
		scriptElement.setId(CHART_JS_SCRIPT_ELEMENT_ID);
		// sets the script content with ChartJS source
		scriptElement.setInnerText(source);
		// appends to the body
		Document.get().getBody().appendChild(scriptElement);
		injected = true;
	}
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
/**
 * TODO: query the programs by users
 *
 * @param userEmail used to filter myDatasets
 */
public static DatasetTree load(final String userEmail) {
	final DatasetTree tree = new DatasetTree();
	DatasetServiceAsync svc = GWT.create(DatasetService.class);
	svc.load(new AsyncCallback<List<Dataset>>() {

		@Override
		public void onFailure(Throwable caught) {
			logger.info("Failed to load data component:" + caught.getMessage());
		}

		@Override
		public void onSuccess(List<Dataset> result) {
			for (Dataset m : result) {
				if (!m.getDeprecated()) {
					DatasetLeaf node = new DatasetLeaf(m);
					addDatasetLeaf(tree, node, userEmail);
					addContextMenu(tree,node);
				}
			}
		}
	});
	return tree;
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
/**
 * Create DownloadDataItem
 * @param com
 * @return DownloadDataItem
 */
public static MenuItem createDownloadData(HasRightMouseUpMenu com) {
	Command command = new MenuItemCommand(com) {

		@Override
		public void execute() {

			DatasetWidget widget = (DatasetWidget) this.component;
			widget.getContextMenu().hide();
			OutNodeShape shape = widget.getOutNodeShapes().get(0);
			String filename = shape.getAbsolutePath() + "/" + shape.getFileId();
			String url = GWT.getModuleBaseURL().split("EMLStudio")[0]
					+ "EMLStudioMonitor/filedownload?filename=" + filename;
			Window.open(url, "_blank", "status=0,toolbar=0,menubar=0,location=0");

		}

	};

	MenuItem item = new MenuItem("Download", command);
	return item;
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
private static void safeObjectAppend(StringBuilder sbuf, Object o) {
        try {
            sbuf.append(o.toString());
        } catch (Throwable t) {
            GWT.log("SLF4J: Failed toString() invocation on an object of type ["
                    + o.getClass().getName() + "]", t);
/*
            System.err
                    .println("SLF4J: Failed toString() invocation on an object of type ["
                            + o.getClass().getName() + "]");
            t.printStackTrace();
*/
            sbuf.append("[FAILED toString()]");
        }

    }
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
public static void init() {
    GWT.setUncaughtExceptionHandler(throwable -> LOGGER.error("Uncaught Exception", throwable));
    ClientRouter clientRouter = new ClientRouter(new ClientEventFactory());
    ServerRouter serverRouter = new ServerRouter(new GwtRequestAsyncSender(new ServerEventFactory()));
    RequestEventProcessor requestEventProcessor = new RequestEventProcessor();
    SimpleEventsBus eventBus = new SimpleEventsBus(requestEventProcessor);
    ClientApp.ClientAppBuilder
            .clientRouter(clientRouter)
            .serverRouter(serverRouter)
            .eventsBus(eventBus)
            .requestRepository(new InMemoryCommandsRepository())
            .presentersRepository(new InMemoryPresentersRepository())
            .viewsRepository(new InMemoryViewRepository())
            .contributionsRepository(new InMemoryContributionRepository())
            .requestSendersRepository(new InMemoryRequestRestSendersRepository())
            .history(new StateHistory())
            .asyncRunner(new GwtAsyncRunner())
            .mainExtensionPoint(new CoreMainExtensionPoint())
            .dominoOptions(new RestyGwtOptions())
            .build();
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
private SelectHandler createUrlToShare(final VerticalPanel geoDataContainer) {
	return new SelectHandler() {
		@Override
		public void onSelect(SelectEvent event) {
			urlToShareAnchor.setHref(getHref());
			urlToShareAnchor.setText(
					UIMessages.INSTANCE.seeOtherWindow("GeoWE Project"),
					Direction.LTR);

			urlShared.setText(getHref());
			urlPanel.setVisible(true);
			urlShared.setVisible(true);
		}

		private String getHref() {
			String baseUrl = GWT.getHostPageBaseURL();

			baseUrl += "?projectUrl="
					+ URL.encodeQueryString(urlTextField.getValue());

			return baseUrl;
		}
	};
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
@Override
public String write() throws IOException {
    TypeSpec.Builder senderBuilder = makeSenderBuilder();
    if (hasServiceRoot())
        senderBuilder.addField(addServiceRoot());
    senderBuilder.addField(addPathField());
    TypeSpec serviceInterface = new ServiceInterfaceBuilder().build();
    senderBuilder.addType(serviceInterface);


    ClassName serviceInterfaceType = ClassName.bestGuess(serviceInterface.name);
    FieldSpec serviceInterfaceField = FieldSpec.builder(serviceInterfaceType, "service")
            .addModifiers(Modifier.PRIVATE)
            .initializer("$T.create($T.class)", GWT.class, serviceInterfaceType)
            .build();

    senderBuilder.addField(serviceInterfaceField);

    senderBuilder.addMethod(new SendMethodBuilder().build());

    StringBuilder asString = new StringBuilder();
    JavaFile.builder(processorElement.elementPackage(), senderBuilder.build()).skipJavaLangImports(true).build().writeTo(asString);
    return asString.toString();
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
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);
		}
	});
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
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;
}
 

import com.google.gwt.core.client.GWT; //导入依赖的package包/类
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);
		}
	});
}