Saturday, 22 April 2017

JavaFX Event Source Example

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Pane;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

public class EventSourceEx extends Application {

      public void start(Stage stage) {

        initUI(stage);
    }

    private void initUI(Stage stage) {

        Pane root = new Pane();
       
        Rectangle rect = new Rectangle(30, 30, 80, 80);
        rect.setOnMouseClicked(new EventHandler<MouseEvent>() {

            public void handle(MouseEvent e) {
               
                System.out.println(e.getSource());
                System.out.println(e.getTarget());
                System.out.println(e.getEventType());
                System.out.format("x:%f, y:%f%n", e.getSceneX(), e.getSceneY());
                System.out.format("x:%f, y:%f%n", e.getScreenX(), e.getScreenY());
            }
        });
       
        root.getChildren().addAll(rect);

        Scene scene = new Scene(root, 300, 250);
       
        stage.setTitle("Event properties");
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}


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