Java Group类代码示例

import javafx.scene.Group; //导入依赖的package包/类
@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    scene.setFill(Color.ALICEBLUE);
    stage.setScene(scene);
    stage.show();

    stage.setTitle("ChoiceBox Sample");
    stage.setWidth(300);
    stage.setHeight(200);
  
    label.setFont(Font.font("Arial", 25));
    label.setLayoutX(40);

   final String[] greetings = new String[]{"Hello", "Hola", "Привет", "你好",
       "こんにちは"};
   final ChoiceBox cb = new ChoiceBox(FXCollections.observableArrayList(
       "English", "Español", "Русский", "简体中文", "日本語")
   );
                                 
   cb.getSelectionModel().selectedIndexProperty().addListener(
       (ObservableValue<? extends Number> ov,
            Number old_val, Number new_val) -> {
                label.setText(greetings[new_val.intValue()]);            
    });
         
    cb.setTooltip(new Tooltip("Select the language"));
    cb.setValue("English");
    HBox hb = new HBox();
    hb.getChildren().addAll(cb, label);
    hb.setSpacing(30);
    hb.setAlignment(Pos.CENTER);
    hb.setPadding(new Insets(10, 0, 0, 10));

    ((Group) scene.getRoot()).getChildren().add(hb);
    
   
   
    
}
 

import javafx.scene.Group; //导入依赖的package包/类
private void init(Stage primaryStage) {
    Group root = new Group();
    primaryStage.setScene(new Scene(root));
    NumberAxis xAxis = new NumberAxis("Values for X-Axis", 0, 3, 1);
    NumberAxis yAxis = new NumberAxis("Values for Y-Axis", 0, 3, 1);
    ObservableList<XYChart.Series<Double,Double>> lineChartData = FXCollections.observableArrayList(
        new LineChart.Series<Double,Double>("Series 1", FXCollections.observableArrayList(
            new XYChart.Data<Double,Double>(0.0, 1.0),
            new XYChart.Data<Double,Double>(1.2, 1.4),
            new XYChart.Data<Double,Double>(2.2, 1.9),
            new XYChart.Data<Double,Double>(2.7, 2.3),
            new XYChart.Data<Double,Double>(2.9, 0.5)
        )),
        new LineChart.Series<Double,Double>("Series 2", FXCollections.observableArrayList(
            new XYChart.Data<Double,Double>(0.0, 1.6),
            new XYChart.Data<Double,Double>(0.8, 0.4),
            new XYChart.Data<Double,Double>(1.4, 2.9),
            new XYChart.Data<Double,Double>(2.1, 1.3),
            new XYChart.Data<Double,Double>(2.6, 0.9)
        ))
    );
    LineChart chart = new LineChart(xAxis, yAxis, lineChartData);
    root.getChildren().add(chart);
}
 

import javafx.scene.Group; //导入依赖的package包/类
@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setTitle("Europian Country Population");
    stage.setWidth(500);
    stage.setHeight(500);
 
    ObservableList<PieChart.Data> pieChartData =
            FXCollections.observableArrayList(
            new PieChart.Data("Belgium", 3),
            new PieChart.Data("France", 26),
            new PieChart.Data("Germany", 35),
            new PieChart.Data("Netherlands", 7),
            new PieChart.Data("Sweden", 4),
            new PieChart.Data("United Kingdom", 25));
    final PieChart pieChart = new PieChart(pieChartData);
    pieChart.setTitle("Country Population");

    ((Group) scene.getRoot()).getChildren().add(pieChart);
    stage.setScene(scene);
    stage.show();
}
 

import javafx.scene.Group; //导入依赖的package包/类
@Override
public void start(Stage stage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);
    stage.setScene(scene);
    stage.setTitle("Progress Controls");

    for (int i = 0; i < values.length; i++) {
        final Label label = labels[i] = new Label();
        label.setText("progress:" + values[i]);

        final ProgressBar pb = pbs[i] = new ProgressBar();
        pb.setProgress(values[i]);

        final ProgressIndicator pin = pins[i] = new ProgressIndicator();
        pin.setProgress(values[i]);
        final HBox hb = hbs[i] = new HBox();
        hb.setSpacing(5);
        hb.setAlignment(Pos.CENTER);
        hb.getChildren().addAll(label, pb, pin);
    }

    final VBox vb = new VBox();
    vb.setSpacing(5);
    vb.getChildren().addAll(hbs);
    scene.setRoot(vb);
    stage.show();
}
 

import javafx.scene.Group; //导入依赖的package包/类
public static void alwaysInTop(Alert alert) {
        try{
            DialogPane root = alert.getDialogPane();

            Stage dialogStage = new Stage(StageStyle.UTILITY);

            for (ButtonType buttonType : root.getButtonTypes()) {
                ButtonBase button = (ButtonBase) root.lookupButton(buttonType);
                button.setOnAction(evt -> {
                    root.setUserData(buttonType);
                    dialogStage.close();
                });
            }

            root.getScene().setRoot(new Group());

            Scene scene = new Scene(root);

            dialogStage.setScene(scene);
            dialogStage.initModality(Modality.APPLICATION_MODAL);
            dialogStage.setAlwaysOnTop(true);
            dialogStage.setResizable(false);
            dialogStage.showAndWait();
        }catch(Exception e){
            
        }
//        Optional<ButtonType> result = Optional.ofNullable((ButtonType) root.getUserData());
    }
 

import javafx.scene.Group; //导入依赖的package包/类
/**
 * Generates a panel image form char.
 * <p>First, this function converts ch to upper case if ch is lower case.</p>
 * <p>Then, this generates javafx's image from ch.And return it.</p>
 * You can fix the resolution of image through {@link capslock.CharPanelGenerator#PANEL_IMAGE_SIZE}
 * and {@link capslock.CharPanelGenerator#FONT_SIZE}.
 * @param ch パネルの生成に使う1文字.
 * @param color 背景色.
 * @return 生成されたパネル.
 */
static final Image generate(char ch, Color color){
    final Label label = new Label(Character.toString(Character.toUpperCase(ch)));
    label.setMinSize(PANEL_IMAGE_SIZE, PANEL_IMAGE_SIZE);
    label.setMaxSize(PANEL_IMAGE_SIZE, PANEL_IMAGE_SIZE);
    label.setPrefSize(PANEL_IMAGE_SIZE, PANEL_IMAGE_SIZE);
    label.setFont(Font.font(FONT_SIZE));
    label.setAlignment(Pos.CENTER);
    label.setTextFill(Color.WHITE);
    label.setBackground(new Background(new BackgroundFill(color, CornerRadii.EMPTY, Insets.EMPTY)));
    final Scene scene = new Scene(new Group(label));
    final WritableImage img = new WritableImage(PANEL_IMAGE_SIZE, PANEL_IMAGE_SIZE);
    scene.snapshot(img);
    return img ;
}
 

import javafx.scene.Group; //导入依赖的package包/类
/**
    * Make a Error Dialog
    * @return BorderPane
    */
   public void makeErrorGUI() {
       root = new Group();
       Scene scene = new Scene(root, 360, 185, Color.WHITE);
       ImagePattern pattern = new ImagePattern(new Image("icon/bk2.jpg"));
       scene.setFill(pattern);
       setTitle("Error");
       setScene(scene);
       Image appIcon = new Image("icon/ERROR.png");
       getIcons().add(appIcon);
       BorderPane bp = new BorderPane();

       textArea = new TextArea(message);
       textArea.setEditable(false);
       textArea.setWrapText(true);
       textArea.setMaxWidth(320);
       textArea.setMaxHeight(130);
       HBox hBox = new HBox();
       hBox.setSpacing(5);
       hBox.setPadding(new Insets(5,0,0,0));
       hBox.setAlignment(Pos.BOTTOM_RIGHT);
       hBox.getChildren().addAll(openLogButton,okButton);
       bp.setCenter(textArea);
       bp.setBottom(hBox);
       root.getChildren().add(bp);
       sizeToScene();
       setX(owner.getX() + Math.abs(owner.getWidth() - scene.getWidth()) / 2.0);
setY(owner.getY() + Math.abs(owner.getHeight() - scene.getHeight()) / 2.0);
   }
 

import javafx.scene.Group; //导入依赖的package包/类
private void init(Stage primaryStage) {
    Group root = new Group();
    primaryStage.setResizable(false);
    primaryStage.setScene(new Scene(root, 140,140));

    Rectangle rect = new Rectangle(20, 20, 100, 100);
    rect.setArcHeight(20);
    rect.setArcWidth(20);
    rect.setFill(Color.ORANGE);
    root.getChildren().add(rect);

    rotateTransition = RotateTransitionBuilder.create()
            .node(rect)
            .duration(Duration.seconds(4))
            .fromAngle(0)
            .toAngle(720)
            .cycleCount(Timeline.INDEFINITE)
            .autoReverse(true)
            .build();
}
 

import javafx.scene.Group; //导入依赖的package包/类
private void configureDigits() {
    for (int i : numbers) {
        digits[i] = new Text("0");
        digits[i].setFont(FONT);
        digits[i].setTextOrigin(VPos.TOP);
        digits[i].setLayoutX(2.3);
        digits[i].setLayoutY(-1);
        Rectangle background;
        if (i < 6) {
            background = createBackground(Color.web("#a39f91"), Color.web("#FFFFFF"));
            digits[i].setFill(Color.web("#000000"));
        } else {
            background = createBackground(Color.web("#bdbeb3"), Color.web("#FF0000"));
            digits[i].setFill(Color.web("#FFFFFF"));
        }
        digitsGroup[i] = new Group(background, digits[i]);
    }
}
 

import javafx.scene.Group; //导入依赖的package包/类
public FxMapItem(FxMapModel model, MapData data) {
    mapModel = model;
    itemData = data;
    rect = new Rect();
    rectangle = new Rectangle();
    label = new Label(itemData.getName());
    tooltip = new Tooltip(itemData.getName());
    tooltip.setFont(new Font(DEFAULT_TOOLTIP_FONT_SIZE));
    mainNode = new Group(rectangle, label);
    Tooltip.install(label, tooltip);
    applyStyle(model.getStyle());
    if (data.hasChildrenData()) {
        rectangle.setEffect(new Glow());
    }
    propertyChangeSupport = new PropertyChangeSupport(FxMapItem.this);
    propertyChangeSupport.addPropertyChangeListener(model);
    initInteractivity();
}
 

import javafx.scene.Group; //导入依赖的package包/类
@Override
public void start(Stage primaryStage) {
    if (primaryStage == null) {
        return;
    }

  Group group = new Group();
  Rectangle rect = new Rectangle(20,20,200,200);

  FadeTransition ft = new FadeTransition(Duration.millis(5000), rect);
  ft.setFromValue(1.0);
  ft.setToValue(0.0);
  ft.play();

  group.getChildren().add(rect);

  Scene scene = new Scene(group, 300, 200);
  primaryStage.setScene(scene);
  primaryStage.show();
}
 

import javafx.scene.Group; //导入依赖的package包/类
public static Node createIconContent() {
    StackPane sp = new StackPane();
    VBox vbox = new VBox(3);
    vbox.setAlignment(Pos.CENTER);
    vbox.setPadding(new Insets(5, 5, 5, 5));

    Rectangle rectangle = new Rectangle(32, 62, Color.LIGHTGREY);
    rectangle.setStroke(Color.BLACK);
    vbox.setPrefSize(rectangle.getWidth(), rectangle.getHeight());
    Rectangle r1 = new Rectangle(18, 14, Color.web("#1c89f4"));
    Rectangle r2 = new Rectangle(18, 14, Color.web("#349b00"));
    Rectangle r3 = new Rectangle(18, 20, Color.web("#349b00"));

    vbox.getChildren().addAll(r1, r2, r3);
    sp.getChildren().addAll(rectangle, vbox);
    return new Group(sp);
}
 

import javafx.scene.Group; //导入依赖的package包/类
private static void drawBackground(Group parent, Pane parentPane) {
        DoubleStream.iterate(ENTRY_HEIGHT / 2, i -> i + ENTRY_HEIGHT).limit(10)
                .mapToObj(y -> {
                    Line line = new Line();
                    line.setStartX(0);
                    line.endXProperty().bind(parentPane.widthProperty());
//                    line.setEndX(MAX_WIDTH);
                    line.setStartY(y);
                    line.setEndY(y);

                    line.setStroke(BACKGROUD_LINES_COLOR);
                    line.setStrokeWidth(1.0);
                    return line;
                })
                .forEach(parent.getChildren()::add);
    }
 

import javafx.scene.Group; //导入依赖的package包/类
private static void drawSelection(Group parent, Pane content) {
//        Rectangle selection1 = new Rectangle();
        Rectangle selection2 = new Rectangle();

        Stream.of(selection2).forEach(rect -> {
            rect.setMouseTransparent(true);

            rect.setStroke(SELECTION_STROKE_COLOR);
            rect.setStrokeWidth(SELECTION_STROKE_WIDTH);
            rect.setStrokeLineCap(StrokeLineCap.ROUND);
            rect.setFill(SELECTION_FILL_COLOR);

            rect.yProperty().bind(JfxUtils.ZERO_PROPERTY);
            rect.heightProperty().bind(content.heightProperty());
        });
//
//        selection1.setX(200);
//        selection1.setWidth(100);

        selection2.setX(500);
        selection2.setWidth(500);

        parent.getChildren().addAll(selection2);
    }
 

import javafx.scene.Group; //导入依赖的package包/类
private static void drawBackground(Group parent, Pane content) {
        DoubleStream.iterate(ENTRY_HEIGHT / 2, i -> i + ENTRY_HEIGHT).limit(10)
                .mapToObj(y -> {
                    Line line = new Line();
                    line.setStartX(0);
                    line.endXProperty().bind(content.widthProperty());
//                    line.setEndX(MAX_WIDTH);
                    line.setStartY(y);
                    line.setEndY(y);

                    line.setStroke(BACKGROUD_LINES_COLOR);
                    line.setStrokeWidth(1.0);
                    return line;
                })
                .forEach(parent.getChildren()::add);
    }