Example usage for javafx.scene Scene addEventFilter

Introduction

In this page you can find the example usage for javafx.scene Scene addEventFilter.

Prototype

public final <T extends Event> void addEventFilter(final EventType<T> eventType,
        final EventHandler<? super T> eventFilter) 

Source Link

Document

Registers an event filter to this scene.

Usage

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 ww  w  .  j  av  a 2s  .c  o  m*/
    });

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

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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();/* w  w w. j ava  2 s . co  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();
}

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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();//w  w w  .ja  v  a 2  s  .  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);

    scene.removeEventFilter(MouseEvent.MOUSE_PRESSED, filter);

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

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