Java Code Examples for javafx.scene.layout.FlowPane#setAlignment()

@Override
public void start(final Stage primaryStage) {
    final BorderPane root = new BorderPane();

    final FlowPane buttons = new FlowPane();
    buttons.setAlignment(Pos.CENTER_LEFT);
    root.setCenter(buttons);
    root.setBottom(makeScreenShot);

    buttons.getChildren().add(new MyButton("DataSetToByteArraySample", () -> DataSetToByteArraySample.main(null)));

    final Scene scene = new Scene(root);

    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(scene);
    primaryStage.setOnCloseRequest(evt -> Platform.exit());
    primaryStage.show();
}
 

@Override
public void start(final Stage primaryStage) {
    final BorderPane root = new BorderPane();

    final FlowPane buttons = new FlowPane();
    buttons.setAlignment(Pos.CENTER_LEFT);
    root.setCenter(buttons);
    root.setBottom(makeScreenShot);

    buttons.getChildren().add(new MyButton("AcqButtonTests", new AcqButtonTests()));

    final Scene scene = new Scene(root);

    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(scene);
    primaryStage.setOnCloseRequest(evt -> System.exit(0));
    primaryStage.show();
}
 

public static Node createIconContent() {
    StackPane sp = new StackPane();
    FlowPane fp = new FlowPane();
    fp.setAlignment(Pos.CENTER);

    Rectangle rectangle = new Rectangle(62, 62, Color.LIGHTGREY);
    rectangle.setStroke(Color.BLACK);
    fp.setPrefSize(rectangle.getWidth(), rectangle.getHeight());

    Rectangle[] littleRecs = new Rectangle[4];
    Rectangle[] bigRecs = new Rectangle[4];
    for (int i = 0; i < 4; i++) {
        littleRecs[i] = new Rectangle(14, 14, Color.web("#1c89f4"));
        bigRecs[i] = new Rectangle(16, 12, Color.web("#349b00"));
        fp.getChildren().addAll(littleRecs[i], bigRecs[i]);
        FlowPane.setMargin(littleRecs[i], new Insets(2, 2, 2, 2));
    }
    sp.getChildren().addAll(rectangle, fp);
    return new Group(sp);
}
 

public static Node createIconContent() {
    StackPane sp = new StackPane();
    FlowPane fp = new FlowPane();
    fp.setAlignment(Pos.CENTER);

    Rectangle rectangle = new Rectangle(62, 62, Color.LIGHTGREY);
    rectangle.setStroke(Color.BLACK);
    fp.setPrefSize(rectangle.getWidth(), rectangle.getHeight());

    Rectangle[] littleRecs = new Rectangle[4];
    Rectangle[] bigRecs = new Rectangle[4];
    for (int i = 0; i < 4; i++) {
        littleRecs[i] = new Rectangle(14, 14, Color.web("#1c89f4"));
        bigRecs[i] = new Rectangle(16, 12, Color.web("#349b00"));
        fp.getChildren().addAll(littleRecs[i], bigRecs[i]);
        FlowPane.setMargin(littleRecs[i], new Insets(2, 2, 2, 2));
    }
    sp.getChildren().addAll(rectangle, fp);
    return new Group(sp);
}
 

/**
 * Display a dialog box containing the parameters that allows the user to
 * enter values.
 *
 * @param owner The owner for this stage.
 * @param title The dialog box title.
 * @param parameters The plugin parameters.
 * @param options The dialog box button labels, one for each button.
 */
public PluginParametersDialog(final Stage owner, final String title, final PluginParameters parameters, final String... options) {
    initStyle(StageStyle.UTILITY);
    initModality(Modality.WINDOW_MODAL);
    initOwner(owner);

    setTitle(title);

    final BorderPane root = new BorderPane();
    root.setPadding(new Insets(10));
    root.setStyle("-fx-background-color: #DDDDDD;");
    final Scene scene = new Scene(root);
    setScene(scene);

    final PluginParametersPane parametersPane = PluginParametersPane.buildPane(parameters, null);
    root.setCenter(parametersPane);

    final FlowPane buttonPane = new FlowPane();
    buttonPane.setAlignment(Pos.BOTTOM_RIGHT);
    buttonPane.setPadding(new Insets(5));
    buttonPane.setHgap(5);
    root.setBottom(buttonPane);

    final String[] labels = options != null && options.length > 0 ? options : new String[]{OK, CANCEL};
    for (final String option : labels) {
        final Button okButton = new Button(option);
        okButton.setOnAction(event -> {
            result = option;
            parameters.storeRecentValues();
            PluginParametersDialog.this.hide();
        });
        buttonPane.getChildren().add(okButton);
    }

    // Without this, some parameter panes have a large blank area at the bottom. Huh?
    this.sizeToScene();

    result = null;
}
 

@Override
public void start(final Stage primaryStage) {
    final BorderPane root = new BorderPane();

    final FlowPane buttons = new FlowPane();
    buttons.setAlignment(Pos.CENTER_LEFT);
    root.setCenter(buttons);
    root.setBottom(makeScreenShot);

    buttons.getChildren().add(new MyButton("DataSetAverageSample", new DataSetAverageSample()));
    buttons.getChildren().add(new MyButton("DataSetFilterSample", new DataSetFilterSample()));
    buttons.getChildren()
            .add(new MyButton("DataSetIntegrateDifferentiateSample", new DataSetIntegrateDifferentiateSample()));
    buttons.getChildren()
            .add(new MyButton("DataSetIntegrationWithLimitsSample", new DataSetIntegrationWithLimitsSample()));
    buttons.getChildren().add(new MyButton("DataSetSpectrumSample", new DataSetSpectrumSample()));
    buttons.getChildren().add(new MyButton("EMDSample", new EMDSample()));
    buttons.getChildren().add(new MyButton("FourierSample", new FourierSample()));
    buttons.getChildren().add(new MyButton("FrequencyFilterSample", new FrequencyFilterSample()));
    buttons.getChildren().add(new MyButton("GaussianFitSample", new GaussianFitSample()));
    // buttons.getChildren().add(new MyButton("IIRFilterSample", new IIRFilterSample()));
    buttons.getChildren().add(new MyButton("IIRFrequencyFilterSample", new IIRFrequencyFilterSample()));
    buttons.getChildren().add(new MyButton("ShortTermFourierTransform", new ShortTimeFourierTransformSample()));
    buttons.getChildren().add(new MyButton("TSpectrum", new TSpectrumSample()));
    buttons.getChildren().add(new MyButton("WaveletDenoising", new WaveletDenoising()));
    buttons.getChildren().add(new MyButton("WaveletScalogram", new WaveletScalogram()));

    final Scene scene = new Scene(root);

    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(scene);
    primaryStage.setOnCloseRequest(evt -> System.exit(0));
    primaryStage.show();
}
 

/**
 * A generic multiple matches dialog which can be used to display a
 * collection of ObservableList items
 *
 * @param title The title of the dialog
 * @param observableMap The map of {@code ObservableList} objects
 * @param message The (help) message that will be displayed at the top of
 * the dialog window
 * @param listItemHeight The height of each list item. If you have a single
 * row of text then set this to 24.
 */
public ConsolidatedDialog(String title, Map<String, ObservableList<Container<K, V>>> observableMap, String message, int listItemHeight) {
    final BorderPane root = new BorderPane();
    root.setStyle("-fx-background-color: #DDDDDD;-fx-border-color: #3a3e43;-fx-border-width: 4px;");

    // add a title
    final Label titleLabel = new Label();
    titleLabel.setText(title);
    titleLabel.setStyle("-fx-font-size: 11pt;-fx-font-weight: bold;");
    titleLabel.setAlignment(Pos.CENTER);
    titleLabel.setPadding(new Insets(5));
    root.setTop(titleLabel);

    final Accordion accordion = new Accordion();
    for (String identifier : observableMap.keySet()) {
        final ObservableList<Container<K, V>> objects = observableMap.get(identifier);
        ListView<Container<K, V>> listView = new ListView<>(objects);
        listView.setEditable(false);
        listView.setPrefHeight((listItemHeight * objects.size()));
        listView.getSelectionModel().selectedItemProperty().addListener(event -> {
            listView.getItems().get(0).getKey();
            final Container<K, V> container = listView.getSelectionModel().getSelectedItem();
            if (container != null) {
                selectedObjects.add(new Pair<>(container.getKey(), container.getValue()));
            } else {
                // the object was unselected so go through the selected objects and remove them all because we don't know which one was unselected
                for (Container<K, V> object : listView.getItems()) {
                    selectedObjects.remove(new Pair<>(object.getKey(), object.getValue()));
                }
            }
        });

        final TitledPane titledPane = new TitledPane(identifier, listView);
        accordion.getPanes().add(titledPane);
    }

    final HBox help = new HBox();
    help.getChildren().add(helpMessage);
    help.getChildren().add(new ImageView(UserInterfaceIconProvider.HELP.buildImage(16, ConstellationColor.AZURE.getJavaColor())));
    help.setPadding(new Insets(10, 0, 10, 0));
    helpMessage.setText(message + "\n\nNote: To deselect hold Ctrl when you click.");
    helpMessage.setStyle("-fx-font-size: 11pt;");
    helpMessage.setWrapText(true);
    helpMessage.setPadding(new Insets(5));

    final VBox box = new VBox();
    box.getChildren().add(help);

    // add the multiple matching accordion
    box.getChildren().add(accordion);

    final ScrollPane scroll = new ScrollPane();
    scroll.setContent(box);
    scroll.setFitToWidth(true);
    scroll.setHbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);
    root.setCenter(scroll);

    final FlowPane buttonPane = new FlowPane();
    buttonPane.setAlignment(Pos.BOTTOM_RIGHT);
    buttonPane.setPadding(new Insets(5));
    buttonPane.setHgap(5);
    root.setBottom(buttonPane);

    useButton = new Button("Continue");
    buttonPane.getChildren().add(useButton);
    accordion.expandedPaneProperty().set(null);

    final Scene scene = new Scene(root);
    fxPanel.setScene(scene);
    fxPanel.setPreferredSize(new Dimension(500, 500));
}
 

@Override
protected Node createEditorControls() {
    // get all vertex attributes currently in the graph
    final ReadableGraph rg = GraphManager.getDefault().getActiveGraph().getReadableGraph();
    try {
        for (int i = 0; i < rg.getAttributeCount(GraphElementType.VERTEX); i++) {
            attributeNames.add(rg.getAttributeName(rg.getAttribute(GraphElementType.VERTEX, i)));
        }
    } finally {
        rg.release();
    }
    attributeNames.sort(String::compareTo);

    HBox labelTitles = new HBox();
    final Label attrLabel = new Label("Attribute");
    attrLabel.setAlignment(Pos.CENTER);
    attrLabel.setPrefWidth(150);
    final Label colorLabel = new Label("Colour");
    colorLabel.setPrefWidth(40);
    colorLabel.setAlignment(Pos.CENTER);
    final Label sizeLabel = new Label("Size");
    sizeLabel.setPrefWidth(50);
    sizeLabel.setAlignment(Pos.CENTER);
    final Label positionLabel = new Label("Position");
    positionLabel.setPrefWidth(115);
    positionLabel.setAlignment(Pos.CENTER);
    labelTitles.getChildren().addAll(attrLabel, colorLabel, sizeLabel, positionLabel);
    labelPaneContent.setPadding(new Insets(5));
    labelPaneContent.getChildren().addAll(labelTitles, labelEntries);

    final ScrollPane labelsScrollPane = new ScrollPane();
    labelsScrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
    labelsScrollPane.setPrefHeight(200);
    labelsScrollPane.setPrefWidth(400);
    labelsScrollPane.setContent(labelPaneContent);

    addButton.setOnAction(e -> {
        new LabelEntry(labels, labelEntries, attributeNames.isEmpty() ? "" : attributeNames.get(0), ConstellationColor.LIGHT_BLUE, 1);
        addButton.setDisable(labels.size() == GraphLabels.MAX_LABELS);
        update();
    });
    final Label addButtonLabel = new Label("Add Label");
    final FlowPane addPane = new FlowPane();
    addPane.setHgap(10);
    addPane.setAlignment(Pos.CENTER_RIGHT);
    addPane.getChildren().addAll(addButtonLabel, addButton);

    final VBox controls = new VBox(10);
    controls.setPrefWidth(400);
    controls.getChildren().addAll(labelsScrollPane, addPane);

    return controls;
}
 

@Override
protected Node createEditorControls() {
    // get all transaction attributes currently in the graph
    final ReadableGraph rg = GraphManager.getDefault().getActiveGraph().getReadableGraph();
    try {
        for (int i = 0; i < rg.getAttributeCount(GraphElementType.TRANSACTION); i++) {
            attributeNames.add(rg.getAttributeName(rg.getAttribute(GraphElementType.TRANSACTION, i)));
        }
    } finally {
        rg.release();
    }
    attributeNames.sort(String::compareTo);

    final HBox labelTitles = new HBox();
    final Label attrLabel = new Label("Attribute");
    attrLabel.setAlignment(Pos.CENTER);
    attrLabel.setPrefWidth(150);
    final Label colorLabel = new Label("Colour");
    colorLabel.setPrefWidth(40);
    colorLabel.setAlignment(Pos.CENTER);
    final Label sizeLabel = new Label("Size");
    sizeLabel.setPrefWidth(50);
    sizeLabel.setAlignment(Pos.CENTER);
    final Label positionLabel = new Label("Position");
    positionLabel.setPrefWidth(115);
    positionLabel.setAlignment(Pos.CENTER);
    labelTitles.getChildren().addAll(attrLabel, colorLabel, sizeLabel, positionLabel);
    labelPaneContent.setPadding(new Insets(5));
    labelPaneContent.getChildren().addAll(labelTitles, labelEntries);

    final ScrollPane labelsScrollPane = new ScrollPane();
    labelsScrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
    labelsScrollPane.setPrefHeight(200);
    labelsScrollPane.setPrefWidth(400);
    labelsScrollPane.setContent(labelPaneContent);

    addButton.setOnAction(e -> {
        new LabelEntry(labels, labelEntries, attributeNames.isEmpty() ? "" : attributeNames.get(0), ConstellationColor.LIGHT_BLUE, 1);
        addButton.setDisable(labels.size() == GraphLabels.MAX_LABELS);
        update();
    });
    final Label addButtonLabel = new Label("Add Label");
    final FlowPane addPane = new FlowPane();
    addPane.setHgap(10);
    addPane.setAlignment(Pos.CENTER_RIGHT);
    addPane.getChildren().addAll(addButtonLabel, addButton);

    final VBox controls = new VBox(10);
    controls.setPrefWidth(400);
    controls.getChildren().addAll(labelsScrollPane, addPane);

    return controls;
}
 

@Override
public void start(final Stage primaryStage) {
    final FlowPane root = new FlowPane();
    root.setAlignment(Pos.CENTER);

    final XYChart xyChart1 = new XYChart(new DefaultNumericAxis("x-Axis 1", 0, 100, 10),
            new DefaultNumericAxis("y-Axis 1", 0, 100, 20));
    xyChart1.setPrefSize(600, 300);

    final XYChart xyChart2 = new XYChart(new DefaultNumericAxis("x-Axis 2", 0, 100, 10),
            new DefaultNumericAxis("y-Axis 2", 0, 100, 20));
    xyChart2.setPrefSize(600, 300);
    xyChart2.getGridRenderer().getHorizontalMinorGrid().setVisible(true);
    xyChart2.getGridRenderer().getVerticalMinorGrid().setVisible(true);

    xyChart2.getGridRenderer().getHorizontalMajorGrid().setVisible(false);
    xyChart2.getGridRenderer().getHorizontalMinorGrid().setVisible(true); // implicit major = true
    xyChart2.getGridRenderer().getVerticalMajorGrid().setVisible(true);
    xyChart2.getGridRenderer().getVerticalMinorGrid().setVisible(true);
    //        xyChart2.getGridRenderer().getVerticalMinorGrid().setStyle(".chart-minor-grid-lines{visible:true}");
    //        xyChart2.getGridRenderer().getHorizontalMajorGrid().setStyle("-fx-stroke: blue;-fx-stroke-width:4;");
    //        xyChart2.getGridRenderer().getVerticalMajorGrid().setStyle("-fx-stroke: darkblue");

    final XYChart xyChart3 = new XYChart(new DefaultNumericAxis("x-Axis 3", 0, 100, 10),
            new DefaultNumericAxis("y-Axis 3", 0, 100, 20));
    xyChart3.setPrefSize(600, 300);
    xyChart3.getGridRenderer().getHorizontalMinorGrid().setVisible(true);
    xyChart3.getGridRenderer().getVerticalMinorGrid().setVisible(true);
    xyChart3.getGridRenderer().getHorizontalMajorGrid().setStroke(Color.BLUE);
    xyChart3.getGridRenderer().getVerticalMajorGrid().setStroke(Color.BLUE);
    xyChart3.getGridRenderer().getHorizontalMajorGrid().setStrokeWidth(1);
    xyChart3.getGridRenderer().getVerticalMajorGrid().setStrokeWidth(1);

    final XYChart xyChart4 = new XYChart(new DefaultNumericAxis("x-Axis 4", 0, 100, 10),
            new DefaultNumericAxis("y-Axis 4", 0, 100, 20));
    xyChart4.setPrefSize(600, 300);
    xyChart4.getGridRenderer().getHorizontalMajorGrid().getStrokeDashArray().setAll(Double.valueOf(15),
            Double.valueOf(15));
    xyChart4.getGridRenderer().getVerticalMajorGrid().getStrokeDashArray().setAll(Double.valueOf(5),
            Double.valueOf(5));
    xyChart4.getGridRenderer().getHorizontalMajorGrid().setStrokeWidth(2);
    xyChart4.getGridRenderer().getVerticalMajorGrid().setStrokeWidth(2);

    root.getChildren().addAll(xyChart1, xyChart2, xyChart3, xyChart4);

    final Scene scene = new Scene(root, 1200, 650);
    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(scene);
    primaryStage.setOnCloseRequest(evt -> Platform.exit());
    primaryStage.show();
}
 

@Override
public void start(final Stage primaryStage) {
    final FlowPane root = new FlowPane();
    root.setAlignment(Pos.CENTER);

    DataSet testDataSet = generateData();

    Label label = new Label("left-click-hold-drag for zooming. middle-button for panning.\n"
                            + "Tip: drag horizontally/vertically/diagonally for testing; try to select the outlier");
    label.setFont(Font.font(20));
    label.setAlignment(Pos.CENTER);
    label.setContentDisplay(ContentDisplay.CENTER);
    label.setPrefWidth(2.0 * PREF_WIDTH);

    // chart with default zoom
    final Chart chart1 = getTestChart("default zoom", testDataSet);
    Zoomer zoomer1 = new Zoomer();
    registerZoomerChangeListener(zoomer1, chart1.getTitle());
    chart1.getPlugins().add(zoomer1);

    // chart with auto xy zoom
    final Chart chart2 = getTestChart("auto xy zoom", testDataSet);
    final Zoomer zoomer2 = new Zoomer();
    zoomer2.setAutoZoomEnabled(true);
    registerZoomerChangeListener(zoomer2, chart2.getTitle());
    chart2.getPlugins().add(zoomer2);

    // chart with x-only zoom
    final Chart chart3 = getTestChart("x-only zoom", testDataSet);
    Zoomer zoomer3 = new Zoomer(AxisMode.X);
    registerZoomerChangeListener(zoomer3, chart3.getTitle());
    chart3.getPlugins().add(zoomer3);

    // chart with x-only zoom
    final Chart chart4 = getTestChart("y-only zoom", testDataSet);
    Zoomer zoomer4 = new Zoomer(AxisMode.Y);
    registerZoomerChangeListener(zoomer4, chart4.getTitle());
    chart4.getPlugins().add(zoomer4);

    root.getChildren().addAll(chart1, chart2, chart3, chart4, label);

    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(new Scene(root));
    primaryStage.setOnCloseRequest(evt -> Platform.exit());
    primaryStage.show();
}
 

@Override
public void start(final Stage primaryStage) {
    final BorderPane root = new BorderPane();

    final FlowPane buttons = new FlowPane();
    buttons.setAlignment(Pos.CENTER_LEFT);
    root.setCenter(buttons);
    root.setBottom(makeScreenShot);

    buttons.getChildren().add(new MyButton("AxisRangeScalingSample", new AxisRangeScalingSample()));
    buttons.getChildren().add(new MyButton("CategoryAxisSample", new CategoryAxisSample()));
    buttons.getChildren().add(new MyButton("ChartAnatomySample", new ChartAnatomySample()));
    buttons.getChildren().add(new MyButton("ChartIndicatorSample", new ChartIndicatorSample()));
    buttons.getChildren().add(new MyButton("ChartPerformanceGraph", new ChartPerformanceGraph()));
    buttons.getChildren().add(new MyButton("ContourChartSample", new ContourChartSample()));
    buttons.getChildren().add(new MyButton("CustomColourSchemeSample", new CustomColourSchemeSample()));
    buttons.getChildren().add(new MyButton("CustomFragmentedRendererSample", new CustomFragmentedRendererSample()));
    buttons.getChildren().add(new MyButton("DataViewerSample", new DataViewerSample()));
    buttons.getChildren().add(new MyButton("DimReductionDataSetSample", new DimReductionDataSetSample()));
    buttons.getChildren().add(new MyButton("EditDataSetSample", new EditDataSetSample()));
    buttons.getChildren().add(new MyButton("ErrorDataSetRendererSample", new ErrorDataSetRendererSample()));
    buttons.getChildren()
            .add(new MyButton("ErrorDataSetRendererStylingSample", new ErrorDataSetRendererStylingSample()));
    buttons.getChildren().add(new MyButton("FxmlSample", new FxmlSample()));
    buttons.getChildren().add(new MyButton("GridRendererSample", new GridRendererSample()));
    buttons.getChildren().add(new MyButton("HexagonSamples", new HexagonSamples()));
    buttons.getChildren().add(new MyButton("Histogram2DimSample", new Histogram2DimSample()));
    buttons.getChildren().add(new MyButton("HistogramSample", new HistogramSample()));
    buttons.getChildren().add(new MyButton("HistoryDataSetRendererSample", new HistoryDataSetRendererSample()));
    buttons.getChildren().add(new MyButton("LabelledMarkerSample", new LabelledMarkerSample()));
    buttons.getChildren().add(new MyButton("LogAxisSample", new LogAxisSample()));
    buttons.getChildren().add(new MyButton("MetaDataRendererSample", new MetaDataRendererSample()));
    buttons.getChildren().add(new MyButton("MountainRangeRendererSample", new MountainRangeRendererSample()));
    buttons.getChildren().add(new MyButton("MultipleAxesSample", new MultipleAxesSample()));
    buttons.getChildren().add(new MyButton("NotANumberSample", new NotANumberSample()));
    buttons.getChildren().add(new MyButton("OscilloscopeAxisSample", new OscilloscopeAxisSample()));
    buttons.getChildren().add(new MyButton("PolarPlotSample", new PolarPlotSample()));
    buttons.getChildren().add(new MyButton("RollingBufferSample", new RollingBufferSample()));
    buttons.getChildren().add(new MyButton("RollingBufferSortedTreeSample", new RollingBufferSortedTreeSample()));
    buttons.getChildren().add(new MyButton("ScatterAndBubbleRendererSample", new ScatterAndBubbleRendererSample()));
    buttons.getChildren().add(new MyButton("SimpleChartSample", new SimpleChartSample()));
    buttons.getChildren().add(new MyButton("TimeAxisRangeSample", new TimeAxisRangeSample()));
    buttons.getChildren().add(new MyButton("TimeAxisSample", new TimeAxisSample()));
    buttons.getChildren().add(new MyButton("TransposedDataSetSample", new TransposedDataSetSample()));
    buttons.getChildren().add(new MyButton("ValueIndicatorSample", new ValueIndicatorSample()));
    buttons.getChildren().add(new MyButton("WaterfallPerformanceSample", new WaterfallPerformanceSample()));
    buttons.getChildren().add(new MyButton("WriteDataSetToFileSample", new WriteDataSetToFileSample()));
    buttons.getChildren().add(new MyButton("ZoomerSample", new ZoomerSample()));

    final Scene scene = new Scene(root);

    primaryStage.setTitle(this.getClass().getSimpleName());
    primaryStage.setScene(scene);
    primaryStage.setOnCloseRequest(evt -> Platform.exit());
    primaryStage.show();
}