Java Code Examples for javafx.scene.control.Alert#setTitle()

private void showAlert(ProcessInterruptedException e) {
    Alert alert = new Alert(Alert.AlertType.ERROR);
    ResourceBundle resources = getResourceBundle();
    alert.setTitle(resources.getString("exception_alert.title"));
    alert.setHeaderText(resources.getString("exception_alert.header"));
    alert.setContentText(e.getMessage());

    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    e.printStackTrace(pw);
    String exceptionText = sw.toString();

    Label stackTraceLabel = new Label(resources.getString("exception_alert.label"));
    TextArea stackTraceTextArea = new TextArea(exceptionText);
    stackTraceTextArea.setEditable(false);
    stackTraceTextArea.setWrapText(true);
    GridPane.setVgrow(stackTraceTextArea, Priority.ALWAYS);
    GridPane.setHgrow(stackTraceTextArea, Priority.ALWAYS);

    GridPane expandableContent = new GridPane();
    expandableContent.setPrefSize(400, 400);
    expandableContent.setMaxWidth(Double.MAX_VALUE);
    expandableContent.add(stackTraceLabel, 0, 0);
    expandableContent.add(stackTraceTextArea, 0, 1);

    alert.getDialogPane().setExpandableContent(expandableContent);
    // Dirty Linux only fix...
    // Expandable zones cause the dialog not to resize correctly
    if (System.getProperty("os.name").matches(".*[Ll]inux.*")) {
        alert.getDialogPane().setPrefSize(600, 400);
        alert.setResizable(true);
        alert.getDialogPane().setExpanded(true);
    }

    alert.showAndWait();
}
 

/** Show info dialog */
private void showInfo()
{
    final Alert dlg = new Alert(AlertType.INFORMATION);
    dlg.setTitle(Messages.DockInfo);

    // No DialogPane 'header', all info is in the 'content'
    dlg.setHeaderText("");

    final StringBuilder info = new StringBuilder();
    fillInformation(info);
    final TextArea content = new TextArea(info.toString());
    content.setEditable(false);
    content.setPrefSize(300, 100);
    content.setMaxSize(Double.MAX_VALUE, Double.MAX_VALUE);
    dlg.getDialogPane().setContent(content);

    DialogHelper.positionDialog(dlg, name_tab, 0, 0);
    dlg.setResizable(true);
    dlg.showAndWait();
}
 

public void atras(MouseEvent mouseEvent) {
    Stage stage = (Stage) atras.getScene().getWindow();
    FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("Resumen.fxml"));
    Parent root = null;
    try {
        root = fxmlLoader.load();
    } catch (Exception e) {
        Alert alerta = new Alert(Alert.AlertType.ERROR);
        alerta.setTitle("Error de Aplicación");
        alerta.setContentText("Llama al lapecillo de sistemas.");
        alerta.showAndWait();
        Platform.exit();
    }
    FadeTransition ft = new FadeTransition(Duration.millis(1500), root);
    ft.setFromValue(0.0);
    ft.setToValue(1.0);
    ft.play();
    Resumen controller = fxmlLoader.<Resumen>getController();
    controller.setCuenta();
    controller.setSaldo();
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.show();
}
 

private void helpAbout() {
	String version = null;
	Package pkg = this.getClass().getPackage();
	if (pkg != null)
		version = pkg.getImplementationVersion();
	if (version == null)
		version = "(dev)";

	Alert alert = new Alert(AlertType.INFORMATION);
	alert.setTitle(Messages.get("MainWindow.about.title"));
	alert.setHeaderText(Messages.get("MainWindow.about.headerText"));
	alert.setContentText(Messages.get("MainWindow.about.contentText", version));
	alert.setGraphic(new ImageView(new Image("org/markdownwriterfx/markdownwriterfx32.png")));
	alert.initOwner(getScene().getWindow());
	alert.getDialogPane().setPrefWidth(420);

	alert.showAndWait();
}
 

@Override
public boolean checkBeforeNextAction() {
    if (fileChanged == null || !fileChanged.getValue()) {
        return true;
    } else {
        Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
        alert.setTitle(getMyStage().getTitle());
        alert.setContentText(AppVariables.message("NeedSaveBeforeAction"));
        alert.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);
        ButtonType buttonSave = new ButtonType(AppVariables.message("Save"));
        ButtonType buttonNotSave = new ButtonType(AppVariables.message("NotSave"));
        ButtonType buttonCancel = new ButtonType(AppVariables.message("Cancel"));
        alert.getButtonTypes().setAll(buttonSave, buttonNotSave, buttonCancel);
        Stage stage = (Stage) alert.getDialogPane().getScene().getWindow();
        stage.setAlwaysOnTop(true);
        stage.toFront();

        Optional<ButtonType> result = alert.showAndWait();
        if (result.get() == buttonSave) {
            saveAction();
            return false;
        } else {
            return result.get() == buttonNotSave;
        }
    }
}
 

public void salir(MouseEvent mouseEvent) {
    Stage stage = (Stage) salir.getScene().getWindow();
    FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("Login.fxml"));
    Parent root = null;
    try {
        root = fxmlLoader.load();
    } catch (Exception e) {
        Alert alerta = new Alert(Alert.AlertType.ERROR);
        alerta.setTitle("Error de Aplicación");
        alerta.setContentText("Llama al lapecillo de sistemas.");
        alerta.showAndWait();
        Platform.exit();
    }
    FadeTransition ft = new FadeTransition(Duration.millis(1500), root);
    ft.setFromValue(0.0);
    ft.setToValue(1.0);
    ft.play();
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.show();
}
 

@Override
protected void afterSuccess() {
    if (statisticCheck.isSelected()) {
        startStatistic();
    } else {
        Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
        alert.setTitle("MyBox");
        alert.setContentText(message("EpidemicReportStatistic"));
        alert.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);
        ButtonType buttonOK = new ButtonType(AppVariables.message("OK"));
        ButtonType buttonCancel = new ButtonType(AppVariables.message("Cancel"));
        alert.getButtonTypes().setAll(buttonOK, buttonCancel);
        Stage stage = (Stage) alert.getDialogPane().getScene().getWindow();
        stage.setAlwaysOnTop(true);
        stage.toFront();
        Optional<ButtonType> result = alert.showAndWait();
        if (result.get() == buttonOK) {
            startStatistic();
        }
    }
}
 

public void salir(ActionEvent actionEvent) {
    Stage stage = (Stage) btn_salir.getScene().getWindow();
    FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("sample.fxml"));
    Parent root = null;
    try {
        root = fxmlLoader.load();
    } catch (Exception e) {
        Alert alerta = new Alert(Alert.AlertType.ERROR);
        alerta.setTitle("Error de Aplicación");
        alerta.setContentText("Llama al lapecillo de sistemas.");
        alerta.showAndWait();
        Platform.exit();
    }
    FadeTransition ft = new FadeTransition(Duration.millis(1500), root);
    ft.setFromValue(0.0);
    ft.setToValue(1.0);
    ft.play();
    //? controller = fxmlLoader.<?>getController();
    //controller.setConteo(conteo);
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.show();
}
 

public boolean deleteFile(File sfile) {
    if (sfile == null) {
        return false;
    }
    if (deleteConfirmCheck != null && deleteConfirmCheck.isSelected()) {
        Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
        alert.setTitle(getMyStage().getTitle());
        alert.setContentText(AppVariables.message("SureDelete"));
        alert.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);
        ButtonType buttonSure = new ButtonType(AppVariables.message("Sure"));
        ButtonType buttonCancel = new ButtonType(AppVariables.message("Cancel"));
        alert.getButtonTypes().setAll(buttonSure, buttonCancel);
        Stage stage = (Stage) alert.getDialogPane().getScene().getWindow();
        stage.setAlwaysOnTop(true);
        stage.toFront();

        Optional<ButtonType> result = alert.showAndWait();
        if (result.get() != buttonSure) {
            return false;
        }
    }
    if (sfile.delete()) {
        popSuccessful();
        return true;
    } else {
        popFailed();
        return false;
    }
}
 

/**
 * Shows an alert dialog with an error message.
 * Blocks until dialog closed.
 *
 * @param title of dialog
 * @param message of error
 */
private void showErrorAlert(String title, String message) {
	Alert dlg = DialogUtils.createAlert(AlertType.ERROR);
	dlg.setTitle("Error - Initialization");
	dlg.setHeaderText(title);
	dlg.setContentText(message);
	dlg.showAndWait();
}
 

private void displayMessage(String msg) {
  logger.info(msg);
  final Alert alert = new Alert(Alert.AlertType.ERROR);
  alert.initStyle(StageStyle.UTILITY);
  alert.setTitle("Information");
  alert.setHeaderText("Error");
  alert.setContentText(msg);
  alert.showAndWait();
}
 

@Override
public boolean checkBeforeNextAction() {
    if (!imageLoaded.get() || !imageUpdated.get()) {
        return true;
    }
    Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
    alert.setTitle(getMyStage().getTitle());
    alert.setContentText(AppVariables.message("ImageChanged"));
    alert.getDialogPane().setMinHeight(Region.USE_PREF_SIZE);
    ButtonType buttonSave = new ButtonType(AppVariables.message("Save"));
    ButtonType buttonSaveAs = new ButtonType(AppVariables.message("SaveAs"));
    ButtonType buttonNotSave = new ButtonType(AppVariables.message("NotSave"));
    ButtonType buttonCancel = new ButtonType(AppVariables.message("Cancel"));
    alert.getButtonTypes().setAll(buttonSave, buttonSaveAs, buttonNotSave, buttonCancel);
    Stage stage = (Stage) alert.getDialogPane().getScene().getWindow();
    stage.setAlwaysOnTop(true);
    stage.toFront();

    Optional<ButtonType> result = alert.showAndWait();
    if (result.get() == buttonSave) {
        saveAction();
        return true;
    } else if (result.get() == buttonNotSave) {
        return true;
    } else if (result.get() == buttonSaveAs) {
        saveAsAction();
        return true;
    } else {
        return false;
    }

}
 

@FXML
private void doChooser(final ActionEvent actionEvent)
{
	DirectoryChooser directoryChooser = new DirectoryChooser();
	String modelDirectory = model.directoryProperty().getValue();
	if (!modelDirectory.isBlank())
	{
		directoryChooser.setInitialDirectory(new File(model.directoryProperty().getValue()));
	}

	File dir = directoryChooser.showDialog(optionsPathDialogScene.getWindow());

	if (dir != null)
	{
		if (dir.listFiles().length > 0)
		{
			Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
			alert.setTitle("Directory Not Empty");
			alert.setContentText("The folder " + dir.getAbsolutePath() + " is not empty.\n"
					+ "All ini files in this directory may be overwritten. " + "Are you sure?");
			Optional<ButtonType> buttonType = alert.showAndWait();
			buttonType.ifPresent(option -> {
				if (option != ButtonType.YES)
				{
					return;
				}
			});
		}
		model.directoryProperty().setValue(dir.getAbsolutePath());
	}
}
 

/**
 * 判断输入的是否为数字.
 * @return true为数字
 */
private boolean isNum() {
    boolean ok = false;
    String input = valueText.getText();
    try {
        Double.parseDouble(input);
        ok = true;
    } catch (Exception e) {
        Alert alert = MyAlert.getInstance(Alert.AlertType.ERROR);
        alert.setTitle("错误");
        alert.setContentText("请输入数字");
        alert.showAndWait();
    }
    return ok;
}
 

public void createAlert(String text) {
   	//Stage stage = new Stage();
       stage.getIcons().add(new Image(this.getClass().getResource("/icons/lander_hab.svg").toString()));
       String header = null;
       //String text = null;
       header = "Multiplayer Host Server";
       //System.out.println("confirm dialog pop up.");
	Alert alert = new Alert(AlertType.CONFIRMATION);
	alert.initOwner(stage);
	alert.setTitle("Mars Simulation Project");
	alert.setHeaderText(header);
	alert.setContentText(text);
	alert.initModality(Modality.APPLICATION_MODAL);

	Optional<ButtonType> result = alert.showAndWait();
	if (result.get() == ButtonType.YES){
		if (multiplayerServer != null) {
        	// TODO: fix the loading problem for server mode
        	multiplayerServer.setServerStopped(true);
        }
		notificationTimer.cancel();
		Platform.exit();
		tray.remove(trayIcon);
	    System.exit(0);
	}
	//else {
	//}
}
 

public static void showException(Throwable throwable) {
    throwable.printStackTrace();
    Alert information = new Alert(Alert.AlertType.ERROR);
    information.setTitle(throwable.getClass().getSimpleName());
    information.setHeaderText(throwable.getMessage());
    information.showAndWait();
}
 

public static void showErrorDialog(String title, String content) {
	Alert dialog = new Alert(Alert.AlertType.ERROR);
	dialog.setTitle(title);
	dialog.setHeaderText(null);
	dialog.setResizable(true);
	dialog.setContentText(content);
	dialog.showAndWait();
}
 

@FXML
private void doChooser(final ActionEvent actionEvent)
{
	DirectoryChooser directoryChooser = new DirectoryChooser();
	String modelDirectory = model.directoryProperty().getValue();
	if (!modelDirectory.isBlank())
	{
		directoryChooser.setInitialDirectory(new File(model.directoryProperty().getValue()));
	}

	File dir = directoryChooser.showDialog(optionsPathDialogScene.getWindow());

	if (dir != null)
	{
		if (dir.listFiles().length > 0)
		{
			Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
			alert.setTitle("Directory Not Empty");
			alert.setContentText("The folder " + dir.getAbsolutePath() + " is not empty.\n"
					+ "All ini files in this directory may be overwritten. " + "Are you sure?");
			Optional<ButtonType> buttonType = alert.showAndWait();
			buttonType.ifPresent(option -> {
				if (option != ButtonType.YES)
				{
					return;
				}
			});
		}
		model.directoryProperty().setValue(dir.getAbsolutePath());
	}
}
 

public boolean numbersOnly(TextField txt) {
    if (txt.getText().matches("[0-9]+")) {

        return true;
    } else {
        Alert alert = new Alert(Alert.AlertType.INFORMATION);
        alert.setTitle("Student Registration");
        alert.setHeaderText(null);
        alert.setContentText("Invalid Input Type..!");
        alert.showAndWait();

        return false;
    }
}
 

@FXML
public void disconnect() {
	
	if( !connected.get() ) {
		if( logger.isWarnEnabled() ) {
			logger.warn("client not connected; skipping disconnect");
		}
		return;
	}
	
	if( logger.isDebugEnabled() ) {
		logger.debug("[DISCONNECT]");
	}
	
	Task<Void> task = new Task<Void>() {

		@Override
		protected Void call() throws Exception {
			
			updateMessage("Disconnecting");
			updateProgress(0.1d, 1.0d);
			
			channel.close().sync();					

			updateMessage("Closing group");
			updateProgress(0.5d, 1.0d);
			group.shutdownGracefully().sync();

			return null;
		}

		@Override
		protected void succeeded() {
			
			connected.set(false);
		}

		@Override
		protected void failed() {
			
			connected.set(false);

			Throwable t = getException();
			logger.error( "client disconnect error", t );
			Alert alert = new Alert(AlertType.ERROR);
			alert.setTitle("Client");
			alert.setHeaderText( t.getClass().getName() );
			alert.setContentText( t.getMessage() );
			alert.showAndWait();

		}
		
	};
	
	hboxStatus.visibleProperty().bind( task.runningProperty() );
	lblStatus.textProperty().bind( task.messageProperty() );
	piStatus.progressProperty().bind(task.progressProperty());

	new Thread(task).start();
}