Example usage for javafx.event EventHandler EventHandler

Introduction

In this page you can find the example usage for javafx.event EventHandler EventHandler.

Prototype

EventHandler

Source Link

Usage

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    primaryStage.setTitle("Hello World");
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);
    Button btn = new Button("Hello World");
    btn.setLayoutX(100);//w  ww  .  j  a  va 2  s . c  o m
    btn.setLayoutY(80);
    btn.setOnAction(new EventHandler<ActionEvent>() {

        public void handle(ActionEvent event) {
            System.out.println("Hello World");
        }
    });
    root.getChildren().add(btn);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");

    // Register an event handler for a single node and a specific event type
    scene.addEventHandler(DragEvent.DRAG_ENTERED, new EventHandler<DragEvent>() {
        public void handle(DragEvent e) {
            System.out.println("drag enter");
        }//from   w  w  w  .j  a  v a  2s.c o  m
    });

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");

    // Register an event filter for a single node and a specific event type
    scene.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
        public void handle(MouseEvent e) {
            System.out.println("mouse clicked");
        };//from www .  j  a v a 2 s  . c  o m
    });

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");
    // Define an event filter
    EventHandler filter = new EventHandler<InputEvent>() {
        public void handle(InputEvent event) {
            System.out.println("Filtering out event " + event.getEventType());
            event.consume();/*from w w w.ja  va2s.  c o  m*/
        }
    };
    // Register the same filter for two different nodes
    scene.addEventFilter(MouseEvent.MOUSE_PRESSED, filter);

    // Register the filter for another event type
    scene.addEventFilter(KeyEvent.KEY_PRESSED, filter);

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");

    // Define an event handler
    EventHandler handler = new EventHandler<InputEvent>() {
        public void handle(InputEvent event) {
            System.out.println("Handling event " + event.getEventType());
            event.consume();//from  www  .  ja v a  2 s.co  m
        }
    };
    scene.addEventHandler(DragEvent.DRAG_EXITED, handler);

    scene.addEventHandler(MouseEvent.MOUSE_DRAGGED, handler);

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage primaryStage) {
    Group root = new Group();
    Scene scene = new Scene(root, 300, 250);

    TextField textBox = new TextField();
    textBox.setPromptText("Write here");
    // Define an event filter
    EventHandler filter = new EventHandler<InputEvent>() {
        public void handle(InputEvent event) {
            System.out.println("Filtering out event " + event.getEventType());
            event.consume();//from   w  w  w.  j ava 2s .com
        }
    };
    // Register the same filter for two different nodes
    scene.addEventFilter(MouseEvent.MOUSE_PRESSED, filter);

    // Register the filter for another event type
    scene.addEventFilter(KeyEvent.KEY_PRESSED, filter);

    scene.removeEventFilter(MouseEvent.MOUSE_PRESSED, filter);

    root.getChildren().add(textBox);
    primaryStage.setScene(scene);
    primaryStage.show();
}

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setWidth(300);//ww w. j av a2  s. c  om
    stage.setHeight(190);

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

    final Button button1 = new Button("OK");

    button1.addEventHandler(MouseEvent.MOUSE_ENTERED, new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent e) {
            System.out.println("mouse entered");
        }
    });

    button1.addEventHandler(MouseEvent.MOUSE_EXITED, new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent e) {
            System.out.println("mouse out");
        }
    });

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

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

From source file:Main.java

@Override
public void start(Stage stage) {
    Scene scene = new Scene(new Group());
    stage.setTitle("Label Sample");
    stage.setWidth(400);//from w ww  .j  a  va  2s  .  c  o m
    stage.setHeight(180);

    HBox hbox = new HBox();

    final Label label1 = new Label("Search long long long long long long long long long ");
    label1.setOnMouseEntered(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent e) {
            label1.setScaleX(1.5);
            label1.setScaleY(1.5);
        }
    });

    label1.setOnMouseExited(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent e) {
            label1.setScaleX(1);
            label1.setScaleY(1);
        }
    });

    hbox.setSpacing(10);
    hbox.getChildren().add((label1));
    ((Group) scene.getRoot()).getChildren().add(hbox);

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

From source file:Main.java

@Override
public void start(Stage primaryStage) {

    Button btn = new Button();
    final Label lbl = new Label();

    primaryStage.setTitle("Hello World!");

    lbl.setLayoutX(70);/*from ww  w . j a  v  a  2 s  .  co m*/
    lbl.setLayoutY(150);

    btn.setLayoutX(100);
    btn.setLayoutY(100);
    btn.setText("Hello, World!");

    btn.setOnAction(new EventHandler<ActionEvent>() {

        @Override
        public void handle(ActionEvent event) {
            lbl.setText("Hello, World.");
        }
    });

    Group root = new Group();

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

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 www .  ja va  2 s. c  om
        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();
}