import java.io.File;
import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.input.DragEvent;
import javafx.scene.input.Dragboard;
import javafx.scene.input.TransferMode;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

/**
 * @author cdea
 */
public class DnDTest extends Application {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        Application.launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        Group root = new Group();
        Scene scene = new Scene(root, 551, 400, Color.BLACK);
        
        // Dragging over surface
        scene.setOnDragOver(new EventHandler<DragEvent>() {
            @Override
            public void handle(DragEvent event) {
                Dragboard db = event.getDragboard();
                if (db.hasFiles()) {
                    event.acceptTransferModes(TransferMode.COPY);
                } else {
                    event.consume();
                }
            }
        });
        
        // Dropping over surface
        scene.setOnDragDropped(new EventHandler<DragEvent>() {
            @Override
            public void handle(DragEvent event) {
                Dragboard db = event.getDragboard();
                boolean success = false;
                if (db.hasFiles()) {
                    success = true;
                    for (File file:db.getFiles()) {
                        System.out.println("file: " + file);
                    }                    
                }
                event.setDropCompleted(success);
                event.consume();
            }
        });

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