public void initializeWebView(double width, double height) {
WebView browser = new WebView();
String start = "file://";
String workingDir = start + System.getProperty("user.dir");
String url = workingDir + "/src/resources/commands.html";
browser.getEngine().load(url);
browser.setPrefSize(width, height);
myScrollPane.setContent(browser);
myPane.getChildren().add(myScrollPane);
}
public Browser(final Stage stage) {
// apply the styles
getStyleClass().add("browser");
for (int i = 0; i < captions.length; i++) {
// create hyperlinks
Hyperlink hpl = hpls[i] = new Hyperlink(captions[i]);
Image image = images[i] = new Image(getClass().getResourceAsStream(imageFiles[i]));
hpl.setGraphic(new ImageView(image));
final String url = urls[i];
final boolean addButton = (hpl.getText().equals("Help"));
// process event
hpl.setOnAction(
(ActionEvent e) -> {
needDocumentationButton = addButton;
webEngine.load(url);
});
}
comboBox.setPrefWidth(60);
// create the toolbar
toolBar = new HBox();
toolBar.setAlignment(Pos.CENTER);
toolBar.getStyleClass().add("browser-toolbar");
toolBar.getChildren().add(comboBox);
toolBar.getChildren().addAll(hpls);
toolBar.getChildren().add(createSpacer());
// set action for the button
toggleHelpTopics.setOnAction(
(ActionEvent t) -> {
webEngine.executeScript("toggle_visibility('help_topics')");
});
smallView.setPrefSize(120, 80);
// handle popup windows
webEngine.setCreatePopupHandler(
(PopupFeatures config) -> {
smallView.setFontScale(0.8);
if (!toolBar.getChildren().contains(smallView)) {
toolBar.getChildren().add(smallView);
}
return smallView.getEngine();
});
// process history
final WebHistory history = webEngine.getHistory();
history
.getEntries()
.addListener(
(Change<? extends Entry> c) -> {
c.next();
c.getRemoved()
.stream()
.forEach(
(e) -> {
comboBox.getItems().remove(e.getUrl());
});
c.getAddedSubList()
.stream()
.forEach(
(e) -> {
comboBox.getItems().add(e.getUrl());
});
});
// set the behavior for the history combobox
comboBox.setOnAction(
(Event ev) -> {
int offset = comboBox.getSelectionModel().getSelectedIndex() - history.getCurrentIndex();
history.go(offset);
});
// process page loading
webEngine
.getLoadWorker()
.stateProperty()
.addListener(
(ObservableValue<? extends State> ov, State oldState, State newState) -> {
toolBar.getChildren().remove(toggleHelpTopics);
if (newState == State.SUCCEEDED) {
JSObject win = (JSObject) webEngine.executeScript("window");
win.setMember("app", new JavaApp());
if (needDocumentationButton) {
toolBar.getChildren().add(toggleHelpTopics);
}
}
});
// adding context menu
final ContextMenu cm = new ContextMenu();
MenuItem cmItem1 = new MenuItem("Print");
cm.getItems().add(cmItem1);
toolBar.addEventHandler(
MouseEvent.MOUSE_CLICKED,
(MouseEvent e) -> {
if (e.getButton() == MouseButton.SECONDARY) {
cm.show(toolBar, e.getScreenX(), e.getScreenY());
}
});
// processing print job
cmItem1.setOnAction(
(ActionEvent e) -> {
PrinterJob job = PrinterJob.createPrinterJob();
if (job != null) {
webEngine.print(job);
job.endJob();
}
});
// load the home page
webEngine.load("http://www.cnn.com");
// add components
getChildren().add(toolBar);
getChildren().add(browser);
}
