Java tutorial
import javafx.application.Application; import javafx.event.EventHandler; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.control.TextField; import javafx.scene.input.DragEvent; import javafx.stage.Stage; public class Main extends Application { public static void main(String[] args) { Application.launch(args); } @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"); } }); root.getChildren().add(textBox); primaryStage.setScene(scene); primaryStage.show(); } }