Java WebEngine类代码示例

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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);
    }
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
@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();
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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
            }
        }
    };
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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);
                }
            }
        }
    };
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
public WebViewPane() {
    VBox.setVgrow(this, Priority.ALWAYS);
    setMaxWidth(Double.MAX_VALUE);
    setMaxHeight(Double.MAX_VALUE);

    WebView view = new WebView();
    view.setMinSize(500, 400);
    view.setPrefSize(500, 400);
    final WebEngine eng = view.getEngine();
    eng.load("http://www.oracle.com/us/index.html");
    final TextField locationField = new TextField("http://www.oracle.com/us/index.html");
    locationField.setMaxHeight(Double.MAX_VALUE);
    Button goButton = new Button("Go");
    goButton.setDefaultButton(true);
    EventHandler<ActionEvent> goAction = new EventHandler<ActionEvent>() {
        @Override public void handle(ActionEvent event) {
            eng.load(locationField.getText().startsWith("http://") ? locationField.getText() :
                    "http://" + locationField.getText());
        }
    };
    goButton.setOnAction(goAction);
    locationField.setOnAction(goAction);
    eng.locationProperty().addListener(new ChangeListener<String>() {
        @Override public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
            locationField.setText(newValue);
        }
    });
    GridPane grid = new GridPane();
    grid.setVgap(5);
    grid.setHgap(5);
    GridPane.setConstraints(locationField, 0, 0, 1, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.SOMETIMES);
    GridPane.setConstraints(goButton,1,0);
    GridPane.setConstraints(view, 0, 1, 2, 1, HPos.CENTER, VPos.CENTER, Priority.ALWAYS, Priority.ALWAYS);
    grid.getColumnConstraints().addAll(
            new ColumnConstraints(100, 100, Double.MAX_VALUE, Priority.ALWAYS, HPos.CENTER, true),
            new ColumnConstraints(40, 40, 40, Priority.NEVER, HPos.CENTER, true)
    );
    grid.getChildren().addAll(locationField, goButton, view);
    getChildren().add(grid);
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
public WebViewSample() {
    WebView webView = new WebView();
    
    final WebEngine webEngine = webView.getEngine();
    webEngine.load(DEFAULT_URL);
    
    final TextField locationField = new TextField(DEFAULT_URL);
    webEngine.locationProperty().addListener(new ChangeListener<String>() {
        @Override public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
            locationField.setText(newValue);
        }
    });
    EventHandler<ActionEvent> goAction = new EventHandler<ActionEvent>() {
        @Override public void handle(ActionEvent event) {
            webEngine.load(locationField.getText().startsWith("http://") 
                    ? locationField.getText() 
                    : "http://" + locationField.getText());
        }
    };
    locationField.setOnAction(goAction);
    
    Button goButton = new Button("Go");
    goButton.setDefaultButton(true);
    goButton.setOnAction(goAction);
    
    // Layout logic
    HBox hBox = new HBox(5);
    hBox.getChildren().setAll(locationField, goButton);
    HBox.setHgrow(locationField, Priority.ALWAYS);
    
    VBox vBox = new VBox(5);
    vBox.getChildren().setAll(hBox, webView);
    VBox.setVgrow(webView, Priority.ALWAYS);

    getChildren().add(vBox);
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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());
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
private void initComponent() {
    webView = new WebView();
    String externalForm = ACEEditor.class.getResource("/Ace.html").toExternalForm();
    WebEngine engine = webView.getEngine();
    engine.getLoadWorker().stateProperty().addListener(new ChangeListener<State>() {
        @Override public void changed(ObservableValue<? extends State> observable, State oldValue, State newValue) {
            if (newValue != State.SUCCEEDED) {
                return;
            }
            JSObject window = (JSObject) engine.executeScript("window");
            window.setMember("java", ACEEditor.this);
            engine.executeScript("console.log = function(message)\n" + "{\n" + "    java.log(message);\n" + "};");
            ACEEditor.this.engine = engine;
            setOptions(new JSONObject().put("showLineNumbers", showLinenumbers).put("firstLineNumber", startLineNumber)
                    .put("overwrite", false));
            loadPreferences();
            hookKeyBindings();
        }
    });
    engine.load(externalForm);
    ToolBarContainer container = ToolBarContainer.createDefaultContainer(Orientation.RIGHT);
    if (withToolbar) {
        ToolBarPanel toolBarPanel = container.getToolBarPanel();
        createToolBars(toolBarPanel);
    }
    container.setContent(webView);
    this.node = container;
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
@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();
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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();
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
@Override
public void start(Stage stage) throws Exception {
   
    TabPane tabPane = new TabPane();
    Tab tab1 = new Tab();
    tab1.setText("Demos");
    tab1.setClosable(false);
    
    SplitPane sp = new SplitPane();
    final StackPane sp1 = new StackPane();
    sp1.getChildren().add(createTreeView());
    final BorderPane sp2 = new BorderPane();
    sp2.setCenter(createChartPane());
 
    sp.getItems().addAll(sp1, sp2);
    sp.setDividerPositions(0.3f, 0.6f);
    tab1.setContent(sp);
    tabPane.getTabs().add(tab1);        
 
    Tab tab2 = new Tab();
    tab2.setText("About");
    tab2.setClosable(false);
    
    WebView browser = new WebView();
    WebEngine webEngine = browser.getEngine();
    webEngine.load(getClass().getResource("/com/orsoncharts/fx/demo/about.html").toString());
    tab2.setContent(browser);
    tabPane.getTabs().add(tab2);        

    Scene scene = new Scene(tabPane, 1024, 768);
    stage.setScene(scene);
    stage.setTitle("Orson Charts JavaFX Demo");
    stage.show();
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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;
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
/**
 * @param pane
 * @param backButton
 * @param forwardButton
 */
public static void createBrowser(final Pane pane, final Button backButton, final Button forwardButton) {
    LOGGER.info("Start initialization for a web page");
    final WebView browser = new WebView();
    final WebEngine webEngine = browser.getEngine();

    webEngine.load(PREDEFINED_URL_CNN);
    browser.setMaxWidth(pane.getWidth());
    browser.setMinHeight(pane.getHeight());
    pane.getChildren().add(browser);

    initControlsFor(webEngine, backButton, forwardButton);
    LOGGER.info("Initialization for a web page is done");
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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);
}
 

import javafx.scene.web.WebEngine; //导入依赖的package包/类
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();
}