Java 类javafx.scene.web.WebEngine 实例源码

public static void showAndWait(String url, 
        Predicate<WebEngine> loginSuccessTest,
        Consumer<WebEngine> handler) {
    try {
        FXMLLoader loader = new FXMLLoader(LoginController.class.getResource("/fxml/login.fxml"));

        Stage stage = new Stage();
        stage.setScene(new Scene(loader.load()));
        LoginController controller = loader.<LoginController>getController();
        controller.setUrl(url);
        controller.setLoginSuccessTest(loginSuccessTest);
        controller.setHandler(handler);

        stage.setTitle("Login...");
        stage.initModality(Modality.APPLICATION_MODAL);

        stage.showAndWait();
    } catch (IOException ex) {
        throw new RuntimeException(ex);
    }
}

@Override
public void start(Stage stage) {
    stage.setTitle("HTMLEditor Sample");
    stage.setWidth(650);
    stage.setHeight(500);
    Scene scene = new Scene(new Group());

    VBox root = new VBox();     
    root.setPadding(new Insets(8, 8, 8, 8));
    root.setSpacing(5);
    root.setAlignment(Pos.BOTTOM_LEFT);

    final HTMLEditor htmlEditor = new HTMLEditor();
    htmlEditor.setPrefHeight(245);
    htmlEditor.setHtmlText(INITIAL_TEXT);

    final WebView browser = new WebView();
    final WebEngine webEngine = browser.getEngine();


    ScrollPane scrollPane = new ScrollPane();
    scrollPane.getStyleClass().add("noborder-scroll-pane");
    scrollPane.setStyle("-fx-background-color: white");
    scrollPane.setContent(browser);
    scrollPane.setFitToWidth(true);
    scrollPane.setPrefHeight(180);

    Button showHTMLButton = new Button("Load Content in Browser");
    root.setAlignment(Pos.CENTER);
    showHTMLButton.setOnAction((ActionEvent arg0) -> {
        webEngine.loadContent(htmlEditor.getHtmlText());
    });

    root.getChildren().addAll(htmlEditor, showHTMLButton, scrollPane);
    scene.setRoot(root);

    stage.setScene(scene);
    stage.show();
}

private EventHandler<WebEvent<String>> createEventHandler() {
    return new EventHandler<WebEvent<String>>() {

        @Override
        public void handle(WebEvent<String> event) {
            if (event.getSource() instanceof WebEngine) {
                WebEngine engine = (WebEngine) event.getSource();
                String url = engine.getLocation();
                String code = getResponseValueFromUrl(url);
                if (StringUtils.isNotEmpty(code)) {
                    webEngine.getLoadWorker().cancel();
                    startCreateOAuth(code);
                }
            }
        }
    };
}

private void initComponents() {
    webView.setId("webView");
    webView.getEngine().getLoadWorker().stateProperty().addListener(new HyperlinkRedirectListener(webView));
    VBox.setVgrow(webView, Priority.ALWAYS);
    WebEngine engine = webView.getEngine();
    if (blurbInfo.getURL() != null)
        engine.load(blurbInfo.getURL().toExternalForm());
    else
        engine.loadContent(blurbInfo.getHtml());

    buttonBar.setId("buttonBar");
    buttonBar.setButtonMinWidth(Region.USE_PREF_SIZE);
    buttonBar.getButtons().add(okButton);
    if (blurbInfo.isCancelNeeded()) {
        buttonBar.getButtons().add(cancelButton);
    }
    okButton.setOnAction((e) -> onOk());
    cancelButton.setOnAction((e) -> onCancel());
}

@Override
public void start(Stage stage) {
    VBox vbox = new VBox();
    Scene scene = new Scene(vbox);
    stage.setTitle("Hyperlink Sample");
    stage.setWidth(570);
    stage.setHeight(550);

    selectedImage.setLayoutX(100);
    selectedImage.setLayoutY(10);

    final WebView browser = new WebView();
    final WebEngine webEngine = browser.getEngine();

    for (int i = 0; i < captions.length; i++) {
        final Hyperlink hpl = hpls[i] = new Hyperlink(captions[i]);
        final Image image = images[i] =
            new Image(getClass().getResourceAsStream(imageFiles[i]));
        hpl.setGraphic(new ImageView (image));
        hpl.setFont(Font.font("Arial", 14));
        final String url = urls[i];

        hpl.setOnAction((ActionEvent e) -> {
            webEngine.load(url);
        });
    }

    HBox hbox = new HBox();
    hbox.setAlignment(Pos.BASELINE_CENTER);
    hbox.getChildren().addAll(hpls);
    vbox.getChildren().addAll(hbox, browser);
    VBox.setVgrow(browser, Priority.ALWAYS);

    stage.setScene(scene);
    stage.show();
}

public void showOverview() {
    if (!manager.isCatalogueLoaded() || (manager.groupList() == null || manager.groupList().isEmpty())) {
        return;
    }
    SimpleOverviewBuilder overview = new SimpleOverviewBuilder(manager.getCatalogue(), manager.groupList());
    String export = overview.exportOverviewHTML();
    WebView view = new WebView();
    WebEngine engine = view.getEngine();
    engine.loadContent(export);
    HBox box = new HBox();
    view.prefWidthProperty().bind(box.widthProperty());
    view.prefHeightProperty().bind(box.heightProperty());
    Scene webScene = new Scene(box, evaluator.getWidth(), evaluator.getHeight());
    box.prefWidthProperty().bind(webScene.widthProperty());
    box.prefHeightProperty().bind(webScene.heightProperty());
    box.getChildren().add(view);
    PopupStage popupStage = new PopupStage("Overview", webScene);
    popupStage.showAndWait();
}

private SplitPane createChartPane() {
    CategoryDataset3D dataset = SampleData.createCompanyRevenueDataset();
    Chart3D chart = AreaChart3DFXDemo1.createChart(dataset);
    Chart3DViewer viewer = new Chart3DViewer(chart);

    this.splitter = new SplitPane();
    splitter.setOrientation(Orientation.VERTICAL);
    final BorderPane borderPane = new BorderPane();
    borderPane.setCenter(viewer);

   // Bind canvas size to stack pane size.
    viewer.prefWidthProperty().bind(borderPane.widthProperty());
    viewer.prefHeightProperty().bind(borderPane.heightProperty());

    final StackPane sp2 = new StackPane();

    this.chartDescription = new WebView();
    WebEngine webEngine = chartDescription.getEngine();
    webEngine.load(AreaChart3DFXDemo1.class.getResource("AreaChart3DFXDemo1.html").toString());

    sp2.getChildren().add(chartDescription);  
    splitter.getItems().addAll(borderPane, sp2);
    splitter.setDividerPositions(0.70f, 0.30f);
    return splitter;
}

public HtmlPage(String link) {
    VBox root = new VBox();
    Scene scene = new Scene(root);
    setTitle("FileSend - Page");
    final WebView browser = new WebView();
    final WebEngine webEngine = browser.getEngine();
    try {
        httpsLoad(webEngine, link);
    } catch (NoSuchAlgorithmException | KeyManagementException e) {
        e.printStackTrace();
    }
    root.getChildren().add(browser);
    VBox.setVgrow(browser, Priority.ALWAYS);
    getIcons().add(new Image(getClass().getResourceAsStream(".." + File.separator + "images" + File.separator + "logo.png")));
    setScene(scene);
    setMaximized(true);
}

public static void wait(WebView view) {
    Stage stage = new Stage();

    WebEngine engine = view.getEngine();
    engine.documentProperty().addListener((observable, o, n) -> stage.close());

    Scene scene = new Scene(view);
    stage.initStyle(StageStyle.UNDECORATED);
    stage.setWidth(1);
    stage.setHeight(1);
    stage.setScene(scene);

    stage.showAndWait();
    stage.close();
}

@FXML
private void handleValidateButtonAction(ActionEvent event) {
    String s = StringEscapeUtils.unescapeHtml4(markdownToHtml(currentSourceText.getText()));
    if (MdConvertController.corrector == null) {
        MdConvertController.corrector = new Corrector();
    }
    try {
        String result = MdConvertController.corrector.checkHtmlContent(s);
        WebEngine webEngine = currentRenderView.getEngine();
        webEngine.loadContent("<!doctype html><html lang='fr'><head><meta charset='utf-8'><base href='"
                + MainApp.class.getResource("assets").toExternalForm() + "' /></head><body>" + result + "</body></html>");
        webEngine.setUserStyleSheetLocation(MainApp.class.getResource("assets/static/css/content.css").toExternalForm());
    } catch (DOMException e) {
        log.error(e.getMessage(), e);
    }
}

public void toggleWebView(){
    if(webViewBox.isVisible()){
        webViewBox.setVisible(false);
        documentText.setVisible(true);
        documentTitle.setVisible(true);
        webViewBox.setPrefWidth(0);
        webViewBox.setPrefHeight(0);
    }
    else{
        webViewBox.setVisible(true);
        documentText.setVisible(false);
        documentTitle.setVisible(false);
        webViewBox.setPrefWidth(1500);
        webViewBox.setPrefHeight(1500);
        WebEngine engine = webViewBox.getEngine();
        System.out.println("Loading " + saveDocument(documentText, documentTitle, false));
        engine.loadContent(saveDocument(documentText, documentTitle, false));
    }
}

public static void init()
{
    Stage stage = new Stage();
    stage.initModality(Modality.APPLICATION_MODAL);
    stage.initOwner(MineIDE.primaryStage);
    stage.getIcons().add(new Image(Utils.IMG_DIR + "icon.png"));
    stage.setTitle("Credits");

    StackPane creditsVbox = new StackPane();

    WebView browser = new WebView();
    WebEngine webEngine = browser.getEngine();
    HtmlReader htmlReader = new HtmlReader();
    htmlReader.initReading(Utils.HTML_DIR + "credits.html");
    webEngine.loadContent(htmlReader.getOutputContent());

    creditsVbox.getChildren().add(browser);

    Scene scene = new Scene(creditsVbox, Gui.width / 1.5, Gui.height / 1.5);
    scene.setFill(Color.OLDLACE);

    stage.setScene(scene);
    stage.setResizable(false);
    stage.show();
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='height: 50px; background-color: limegreen;'>Narrow div</div>");
    view.setMinHeight(MIN_HEIGHT);
    view.setId(VIEW_ID);

    VBox box = new VBox();
    box.setMaxHeight(MIN_HEIGHT - 10);
    box.setMinHeight(MIN_HEIGHT - 10);
    box.setPrefHeight(MIN_HEIGHT - 10);
    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println(view.getHeight());
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='width: 50px; background-color: limegreen;'>Narrow div</div>");
    view.setMinWidth(MIN_WIDTH);
    view.setId(VIEW_ID);

    HBox box = new HBox();
    box.setMaxWidth(MIN_WIDTH - 10);
    box.setMinWidth(MIN_WIDTH - 10);
    box.setPrefWidth(MIN_WIDTH - 10);
    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println(view.getWidth());
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='height: 1024px; width: 1024; background-color: limegreen;'>Big div</div>");
    view.setMaxSize(MAX_WIDTH, MAX_HEIGHT);
    view.setId(VIEW_ID);

    HBox box = new HBox();
    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println("Width:" + view.getWidth());
    System.out.println("Height:" + view.getHeight());
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='height: 30px; width: 30; background-color: limegreen;'>Small div</div>");
    view.setMinSize(MIN_WIDTH, MIN_HEIGHT);
    view.setId(VIEW_ID);

    VBox box = new VBox();
    box.setMaxWidth(MIN_WIDTH - 10);
    box.setPrefWidth(MIN_WIDTH - 10);
    box.setMinWidth(MIN_WIDTH - 10);
    box.setMaxHeight(MIN_HEIGHT - 10);
    box.setPrefHeight(MIN_HEIGHT - 10);
    box.setMinHeight(MIN_HEIGHT - 10);

    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println("Width:" + view.getWidth());
    System.out.println("Height:" + view.getHeight());
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='width: 1024px; background-color: limegreen;'>Wide div</div>");
    view.setMaxWidth(MAX_WIDTH);
    view.setId(VIEW_ID);

    VBox box = new VBox();
    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println(view.getWidth());
}

public void start(Stage stage){
    WebView view = new WebView();
    WebEngine e = view.getEngine();
    e.loadContent("<div style='height: 1024px; background-color: limegreen;'>Tall div</div>");
    view.setMaxHeight(MAX_HEIGHT);
    view.setId(VIEW_ID);

    HBox box = new HBox();
    box.getChildren().add(view);

    final Scene scene = new Scene(box);
    stage.setTitle(VIEW_ID);
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();

    System.out.println(view.getHeight());
}

/**
 * Test for javafx.scene.web.WebEngine constructor methods. Checks if WebEngine constructor
 * which accepts the URL string works properly.
 */
@Test(timeout=10000)
public void testConstructor2() {
    Platform.runLater(new Runnable() {
        public void run() {
            String url = null;
            url = "http://www.yahoo.com";
            engine = new WebEngine(url);
        }
    });
    doWait(new Tester() {
        public boolean isPassed() {
            return engine != null;
        }
    });
}

@Override
public void start(Stage stage) throws Exception
{

    StackPane container = new StackPane();

    Scene scene = new Scene(container, SIZE, SIZE);
    styleInfo = getParameters().getRaw().get(0);

    WebView view = new WebView();
    WebEngine web = view.getEngine();
    web.load(CSSLauncher.class.getResource("resources/textSample.html").toExternalForm());

    GridPane viewPane = new GridPane();
    viewPane.setMaxSize(SIZE, SIZE);
    viewPane.getChildren().add(view);

    container.getChildren().addAll(viewPane);

    stage.setTitle("Launcher");
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();
}

public void start(Stage stage) {
    StackPane container = new StackPane();

    scene = new Scene(container, 800, 800);

    view = new WebView ();
    WebEngine engine = view.getEngine();
    //using CSSLauncher's test.html
    engine.load(CSSLauncher.class.getResource("resources/test.html").toExternalForm());

    setHandlers();

    GridPane viewPane = new GridPane();
    viewPane.setMaxSize(size, size);
    viewPane.getChildren().add(view);

    container.getChildren().addAll(viewPane, zoomingButton);

    stage.setTitle("Launcher");
    stage.setScene(scene);
    stage.sizeToScene();
    stage.show();
}

public final void initialize(Stage s) {
    this.stage = s;
    WebEngine engine = this.webBrowser.getEngine();
    String userAgent = engine.getUserAgent();
    engine.setUserAgent(userAgent.substring(0, userAgent.indexOf(')')) + "; rv:56.0) Gecko/20100101 Firefox/56.0");
    engine.setJavaScriptEnabled(true);
    engine.getLoadWorker().stateProperty().addListener((observable, oldValue, newValue) -> {
        if (newValue.equals(State.SUCCEEDED)) {
            String location = engine.getLocation();
            if (!location.contains("sh.st") && !location.contains("adf.ly") && !location.contains("krothium.com") && !location.contains("about:blank")) {
                this.webBrowser.getEngine().load("about:blank");
            }
            if (location.contains("about:blank") && !this.toHide.isShowing()) {
                this.toHide.show();
                s.close();
            }
        }
    });
}

public void loadPage(TextField textField, //ProgressBar progressBar,
        WebEngine webEngine, WebView webView) {

    String route = textField.getText();
    if (route !=null)
        if (!route.substring(0, 7).equals("http://")) {
            route = "http://" + route;
            textField.setText(route);
        }

    System.out.println("Loading route: " + route);
    //progressBar.progressProperty().bind(webEngine.getLoadWorker().progressProperty());

    webEngine.getLoadWorker().stateProperty().addListener(new ChangeListener<State>() {
        @Override
        public void changed(ObservableValue<? extends State> value,
                State oldState, State newState) {
            if(newState == State.SUCCEEDED){
                System.out.println("Location loaded + " + webEngine.getLocation());
            }
        }
    });
    webEngine.load(route);


}

private static Object executejQuery(final WebEngine engine, String minVersion, String jQueryLocation, String script) {
    return engine.executeScript(
            "(function(window, document, version, callback) { "
            + "var j, d;"
            + "var loaded = false;"
            + "if (!(j = window.jQuery) || version > j.fn.jquery || callback(j, loaded)) {"
            + " var script = document.createElement(\"script\");"
            + " script.type = \"text/javascript\";"
            + " script.src = \"" + jQueryLocation + "\";"
            + " script.onload = script.onreadystatechange = function() {"
            + " if (!loaded && (!(d = this.readyState) || d == \"loaded\" || d == \"complete\")) {"
            + " callback((j = window.jQuery).noConflict(1), loaded = true);"
            + " j(script).remove();"
            + " }"
            + " };"
            + " document.documentElement.childNodes[0].appendChild(script) "
            + "} "
            + "})(window, document, \"" + minVersion + "\", function($, jquery_loaded) {" + script + "});");
}

public void showOnlineGame(GameOnline game) {
    WebEngine webEngine = webView.getEngine();
    webEngine.setJavaScriptEnabled(true);

    URI uri = URI.create(MainApp.webConnector.getUrlFromGame(game));

    List<String> cookies = new ArrayList<>();
    for(Cookie cookie : MainApp.webConnector.cookies.getCookies()) {
        cookies.add(cookie.getName() + "=" + cookie.getValue());
    }

    Map<String, List<String>> headers = new LinkedHashMap<String, List<String>>();
    headers.put("Set-Cookie", cookies);
    try {
        CookieHandler.getDefault().put(uri, headers);
    } catch (IOException e) {
        e.printStackTrace();
    }

    webEngine.load(uri.toString());
}

private void loadContent(WebView editor, AceMode aceMode)
{
    AceMode mode = aceMode;
    WebEngine engine = editor.getEngine();
    if (mode == null) mode = AceMode.JAVA;
    String strMode = "var mode = 'VALUE';\n{{mode-VALUE.js}}"
            .replaceAll("VALUE", mode.name().toLowerCase());
    engine.loadContent(readContent("ace.html", true, strMode));
    engine.getLoadWorker().stateProperty().addListener((observable, oldState, newState) ->
    {
        switch (newState)
        {
            case SUCCEEDED:
                JSObject js = (JSObject) engine.executeScript("window");
                gate = new AceJsGate(AceEditor.this, js);
                if (readyListener != null) readyListener.ready();
                break;
            default:
                break;
        }
    });
}

@Override
public final Account authenticate(WebEngine engine) throws AccountException {
    Account account = null;

    String url = engine.getLocation();
    if (url.contains(OneDriveRestApi.ONEDRIVE_API_REDIRECT_URL)) {
        if (url.contains("?code=")) {
            int indexOfCodeString = url.indexOf("?code=");
            String code = url.substring(indexOfCodeString + "?code=".length());
            code = code.substring(0, code.indexOf("&"));
            account = createAccountFromAuthCode(code);
        }
    }

    return account;
}

@Override
public final Account authenticate(WebEngine engine) throws AccountException {
    Account account = null;
    String code = null;

    String title = engine.getTitle();
    if (title != null) {
        if (title.contains("Success code")) {
            try {
                code = title.split("=")[1].trim();
            } catch (Exception ex) {
                code = null;
            }
        }
    }

    if (code != null) {
        account = createAccountFromAuthCode(code);
    }

    return account;
}

@Override public void start(Stage primaryStage) {
  final WebView webView = new WebView();
  final WebEngine engine = webView.getEngine();
  engine.load("http://docs.oracle.com/javafx/2/get_started/animation.htm");
  engine.documentProperty().addListener(new ChangeListener<Document>() {
    @Override public void changed(ObservableValue<? extends Document> prop, Document oldDoc, Document newDoc) {
      executejQuery(
        engine,
        "$(\"a\").click(function(event){" +
        " event.preventDefault();" +
        " $(this).hide(\"slow\");" +
        "});"
      );
    }
  });
  primaryStage.setScene(new Scene(webView));
  primaryStage.show();
}

/**
* Executes a script which may reference jQuery function on a document.
* Checks if the document loaded in a webEngine has a version of jQuery corresponding to
* the minimum required version loaded, and, if not, then loads jQuery into the document
* from the default JQUERY_LOCATION.
* @param engine the webView engine to be used.
* @Param jQueryLocation the location of the jQuery script to be executed.
* @param minVersion the minimum version of jQuery which needs to be included in the document.
* @param script provided javascript script string (which may include use of jQuery functions on the document).
* @return the result of the script execution.
*/
  private static Object executejQuery(final WebEngine engine, String minVersion, String jQueryLocation, String script) {
    return engine.executeScript(
      "(function(window, document, version, callback) { "
        + "var j, d;"
        + "var loaded = false;"
        + "if (!(j = window.jQuery) || version > j.fn.jquery || callback(j, loaded)) {"
        + " var script = document.createElement(\"script\");"
        + " script.type = \"text/javascript\";"
        + " script.src = \"" + jQueryLocation + "\";"
        + " script.onload = script.onreadystatechange = function() {"
        + " if (!loaded && (!(d = this.readyState) || d == \"loaded\" || d == \"complete\")) {"
        + " callback((j = window.jQuery).noConflict(1), loaded = true);"
        + " j(script).remove();"
        + " }"
        + " };"
        + " document.documentElement.childNodes[0].appendChild(script) "
        + "} "
      + "})(window, document, \"" + minVersion + "\", function($, jquery_loaded) {" + script + "});"
    );
  }

public void setup() {
    this.dialog = new Dialog(this.root.getScene().getWindow());
    this.pluginLoader = new PluginLoader(this.dialog, this.logger);

    WebEngine webEngine = this.htmlRoot.getEngine();
    webEngine.setOnAlert(event -> this.dialog.info(event.getData()));
    webEngine.load(getClass().getResource("/page/index.html").toString());

    this.htmlRoot.setFontSmoothingType(FontSmoothingType.GRAY);
    this.htmlRoot.setContextMenuEnabled(false);

    webEngine.getLoadWorker().stateProperty().addListener(
            (ov, oldState, newState) -> {
                if (newState == State.SUCCEEDED) this.onLoaded();
            });
}

private void initialize() {
    URL changelog = release.getApplication().getChangelog();

    if (changelog != null) {
        WebEngine engine = changeView.getEngine();
        String finalURL = String.format("%s?from=%d&to=%d", changelog, currentReleaseID, release.getId());
        engine.load(finalURL);
    } else {
        changeView.setVisible(false);
        changeView.setManaged(false);
    }

   Object[] messageArguments = { release.getApplication().getName(), currentVersion, release.getVersion() };
   MessageFormat formatter = new MessageFormat("");
   formatter.setLocale(resources.getLocale());

    if (release.getLicenseVersion() != currentLicenseVersion) {
        formatter.applyPattern(resources.getString("infotext.paidupgrade"));
    } else {
        formatter.applyPattern(resources.getString("infotext.freeupgrade"));            
    }

    infoLabel.setText(formatter.format(messageArguments));
    infoLabel.autosize();
}

public void open(DropboxManager.DropboxAccountLinkListener dropboxAccountLinkListener) throws IOException {

        final DbxWebAuthNoRedirect webAuth = getDbxWebAuthNoRedirect();

        final WebView browser = new WebView();
        final WebEngine engine = browser.getEngine();
        Stage stage = new Stage();
        engine.getLoadWorker().stateProperty().addListener(getListener(dropboxAccountLinkListener, webAuth, engine, stage));
        String url = webAuth.start();
        LOGGER.debug(url);
        engine.load(url);

        StackPane sp = new StackPane();
        sp.getChildren().add(browser);

        stage.initModality(Modality.APPLICATION_MODAL);
        Scene page2 = new Scene(sp);
        stage.setScene(page2);
        stage.show();
    }

private ChangeListener<Worker.State> getListener(final DropboxManager.DropboxAccountLinkListener dropboxAccountLinkListener,
                                                 final DbxWebAuthNoRedirect webAuth, final WebEngine engine, final Stage stage) {
    return (observable, oldValue, newState) -> {
        if (newState == Worker.State.SUCCEEDED) {
            try {
                final String authCode = (String) engine.executeScript("document.getElementById('auth-code').textContent");
                LOGGER.debug("Authorization Code [{}]", authCode);
                DbxAuthFinish authFinish = webAuth.finish(authCode);

                String accessToken = authFinish.accessToken;
                final DbxAuthInfo dbxAuthInfo = new DbxAuthInfo(accessToken, DbxHost.Default);
                DbxAuthInfo.Writer.writeToFile(dbxAuthInfo, accessTokenFile);

                DbxClient client = new DbxClient(dropboxConfig, dbxAuthInfo.accessToken, dbxAuthInfo.host);

                final String displayName = client.getAccountInfo().displayName;
                LOGGER.info("Linked account [{}]", displayName);
                stage.close();
                dropboxAccountLinkListener.accountLinked(AccountInfoFactory.getAccountInfo(client.getAccountInfo()));
            } catch (Exception e) {
                // ignore
            }
        }
    };
}

public void requestLogin() {
    visualAuthInProgress.set(true);
    WebEngine webEngine = browser.getEngine();

    webEngine.getLoadWorker().stateProperty().addListener((ov, oldValue, newValue) -> {
        if (newValue == Worker.State.SUCCEEDED) {
            String location = webEngine.getLocation();
            if (location.startsWith(COINBASE_AUTHORIZED_URL_ROOT)) {
                String code = location.substring(COINBASE_AUTHORIZED_URL_ROOT.length());

                apiQueries.submit(() -> {
                    requestTokens(code);
                    Platform.runLater(() -> visualAuthInProgress.set(false));
                });

                webEngine.setOnStatusChanged(null);
            }
        }
    });
    webEngine.load(COINBASE_OAUTH_LOGIN);
}

/**
 * @param javascriptEditor
 *            WebView, in der der Javascript laufen soll.
 * @param resource
 *            HTML Ressource zur Einbettung des Editors.
 * @param content
 *            Initialer Inhalt des Editors.
 */
private void installJavascriptEditorWithInitialContent(final WebView javascriptEditor, final String resource,
        final String content) {
    final WebEngine engine = javascriptEditor.getEngine();
    engine.getLoadWorker().stateProperty().addListener(new ChangeListener<State>() {
        @Override
        public void changed(final ObservableValue<? extends State> observable, final State oldState,
                final State newState) {
            if (newState == State.SUCCEEDED) {
                engine.getLoadWorker().stateProperty().removeListener(this);
                statementEditor.setText(content);
                statementEditor.focus();
            }
        }
    });

    final ResourceLocator locator = new ResourceLocator();
    try {
        javascriptEditor.getEngine()
                .load(locator.getExternalFormForExplodedResourceInBundle(resource).toExternalForm());
    } catch (final Exception e) {
        installEditorTextArea();
    }
}

/**
 * Open a browser view
 * @param url - the  String URL to be opened in the browser view
 **/    
public static void openLink(String url)
{
    TextField urlVal=new TextField();
    urlVal.setText(url);
    urlVal.setPrefHeight(20);
    urlVal.setEditable(false);
    urlVal.setId("urlValue");

    final WebView browser = new WebView();
    browser.setContextMenuEnabled(true);
    final WebEngine webEngine = browser.getEngine();


    VBox br=new VBox();
    br.getChildren().addAll(urlVal,browser);

    Stage browserStage=new Stage();
        Scene brScene=new Scene(br);
    browserStage.setScene(brScene);
    browserStage.show();
    webEngine.load(url);
}

@Override
public void start(Stage primaryStage) {
    TextArea textArea = new TextArea();
    WebView webView = new WebView();
    WebEngine engine = webView.getEngine();

    EventStreams.valuesOf(textArea.textProperty())
            .successionEnds(Duration.ofMillis(500))
            .subscribe(html -> engine.loadContent(html));

    SplitPane root = new SplitPane();
    root.getItems().addAll(textArea, webView);
    Scene scene = new Scene(root);
    primaryStage.setScene(scene);
    primaryStage.show();
}

public static WebEngine createWebView(FXCanvas canvas) {
    canvas.setLayout(new FillLayout());
    WebView view = new WebView();
    // When the WebEngine is initialized a CookieHandler is set, which has
    // errors reading multi value cookies, therefore set to null again
    CookieHandler.setDefault(null);
    Scene scene = new Scene(view);
    canvas.setScene(scene);
    WebEngine webkit = view.getEngine();
    webkit.setJavaScriptEnabled(true);
    webkit.setOnAlert(e -> {
        Logger log = LoggerFactory.getLogger(UI.class);
        log.error("JavaScript alert: {}", e.getData());
    });
    return webkit;
}

@Override
public void init() {
    setPrefWidth(300);
    setPrefHeight(300);
    final WebView webView = new WebView();

    Rectangle clipRect = new Rectangle();
    clipRect.setWidth(300);
    clipRect.setHeight(300);
    clipRect.setArcHeight(20);
    clipRect.setArcWidth(20);
    clipRect.setLayoutX(10);
    clipRect.setLayoutY(10);
    webView.setClip(clipRect);
    final WebEngine webEngine = webView.getEngine();
    URL url = getClass().getResource("/weather2.html");
    System.out.println(url);
    String fileText = url.toExternalForm();
    webEngine.load(fileText);
    Group grp = new Group(webView);
    getChildren().add(grp);

}