Example usage for javafx.scene.control Button setOnAction

Introduction

In this page you can find the example usage for javafx.scene.control Button setOnAction.

Prototype

public final void setOnAction(EventHandler<ActionEvent> value)

Source Link

Usage

From source file:Main.java

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

    Button buttonLoad = new Button("Load");
    buttonLoad.setOnAction(new EventHandler<ActionEvent>() {
        @Override//from  w w  w .  ja v a2s.  c o  m
        public void handle(ActionEvent arg0) {
            FileChooser fileChooser = new FileChooser();
            FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("TXT files (*.txt)",
                    "*.txt");
            fileChooser.getExtensionFilters().add(extFilter);
            File file = fileChooser.showOpenDialog(primaryStage);
            System.out.println(file);
        }
    });
    VBox vBox = VBoxBuilder.create().children(buttonLoad).build();
    root.getChildren().add(vBox);
    primaryStage.setScene(new Scene(root, 500, 400));
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    String imagePath = "resources/picture/yourImage.jpg";
    Image image = new Image(imagePath);

    ImageView imageView = new ImageView(image);

    Button saveBtn = new Button("Save Image");
    saveBtn.setOnAction(e -> saveToFile(image));

    VBox root = new VBox(10, imageView, saveBtn);
    Scene scene = new Scene(root);
    stage.setScene(scene);//from  w ww. j  a v  a  2  s.co  m
    stage.setTitle("");
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);
    Button btn = new Button();
    btn.setText("Hello World");
    btn.setOnAction(new EventHandler<ActionEvent>() {
        public void handle(ActionEvent event) {
            System.out.println("Hello World");
        }//from  w  w  w  .ja  va 2 s .  c  om
    });
    root.getChildren().add(btn);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Button b1 = new Button("B1");
    Button b2 = new Button("B2");
    Button b3 = new Button("B3");
    Button visibleBtn = new Button("Make Invisible");

    visibleBtn.setOnAction(e -> b2.setVisible(!b2.isVisible()));

    visibleBtn.textProperty().bind(new When(b2.visibleProperty()).then("Invisible").otherwise("Visible"));

    b2.managedProperty().bind(b2.visibleProperty());

    HBox root = new HBox();
    root.getChildren().addAll(visibleBtn, b1, b2, b3);

    Scene scene = new Scene(root);
    stage.setScene(scene);/*  w  w w .j a v  a 2 s .  co m*/
    stage.setTitle("");
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {

    Button openURLButton = new Button("Go!");
    openURLButton.setOnAction(e -> {
        HostServices host = getHostServices();
        JSObject js = host.getWebContext();
        if (js == null) {
            Stage s = new Stage(StageStyle.UTILITY);
            s.initModality(Modality.WINDOW_MODAL);
            Label msgLabel = new Label("This is an FX alert!");
            Group root = new Group(msgLabel);
            Scene scene = new Scene(root);
            s.setScene(scene);//  w  w  w .ja  v a 2 s .  c o m
            s.setTitle("FX Alert");
            s.show();
        } else {
            js.eval("window.alert('This is a JavaScript alert!')");
        }
    });

    Scene scene = new Scene(openURLButton);
    stage.setScene(scene);
    stage.setTitle("Knowing the Host");
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    primaryStage.setTitle("Hello World!");
    Button btn = new Button();
    btn.setText("Say 'Hello World'");
    btn.setOnAction(new EventHandler<ActionEvent>() {
        @Override//from w ww  .j a va  2  s .c o  m
        public void handle(ActionEvent event) {
            System.out.println("Hello World!");
        }
    });

    StackPane root = new StackPane();
    root.getChildren().add(btn);
    primaryStage.setScene(new Scene(root, 300, 250));
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Label nameLbl = new Label("Enter your name:");
    TextField nameFld = new TextField();

    Label msg = new Label();

    Button sayHelloBtn = new Button("Say Hello");

    sayHelloBtn.setOnAction(e -> {
        String name = nameFld.getText();
        if (name.trim().length() > 0) {
            msg.setText("Hello " + name);
        } else {/*from  w ww.j av a 2 s  . c  om*/
            msg.setText("Hello there");
        }
    });

    VBox root = new VBox();

    root.setSpacing(5);

    root.getChildren().addAll(nameLbl, nameFld, msg, sayHelloBtn);

    Scene scene = new Scene(root, 350, 150);
    stage.setScene(scene);
    stage.setTitle("hi");
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Button btn = new Button();
    btn.setText("Say 'Hello World'");
    btn.setOnAction(new EventHandler<ActionEvent>() {

        @Override/*from  w w  w . j ava  2 s.co  m*/
        public void handle(ActionEvent event) {
            System.out.println("Hello World!");
        }
    });

    StackPane root = new StackPane();
    root.getChildren().add(btn);

    Scene scene = new Scene(root, 300, 250);

    primaryStage.setTitle("Hello World!");
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setTitle("Button Sample");
    stage.setWidth(300);/* ww  w  . j ava2  s .c om*/
    stage.setHeight(190);

    VBox vbox = new VBox();
    vbox.setLayoutX(20);
    vbox.setLayoutY(20);

    Image image = new Image(getClass().getResourceAsStream("a.png"));
    Button button1 = new Button("Accept", new ImageView(image));
    button1.setOnAction(new EventHandler<ActionEvent>() {
        @Override
        public void handle(ActionEvent e) {
            System.out.println("Accepted");
        }
    });

    vbox.getChildren().add(button1);
    vbox.setSpacing(10);
    ((Group) scene.getRoot()).getChildren().add(vbox);

    stage.setScene(scene);
    stage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    VBox root = new VBox(5);

    Label textLbl = new Label("Text:");
    TextArea text = new TextArea();
    text.setPrefRowCount(10);/*  w  w  w .  j a va2s  .co  m*/
    text.setPrefColumnCount(20);
    text.setWrapText(true);

    // Button to print the TextArea node
    Button printTextBtn = new Button("Print Text");
    printTextBtn.setOnAction(e -> print(text));

    // Button to print the entire scene
    Button printSceneBtn = new Button("Print Scene");
    printSceneBtn.setOnAction(e -> print(root));

    HBox buttonBox = new HBox(5, printTextBtn, printSceneBtn);

    root.getChildren().addAll(textLbl, text, buttonBox);
    Scene scene = new Scene(root);
    stage.setScene(scene);
    stage.setTitle("Printing Nodes");
    stage.show();
}