What is the justification for a JavaFX FXML scheme that does not support context menus inside panels?

Question

You can add a context menu to the scroll bar, but not to other types of panels. Why?

Answer 1

How FXML Works

FXML works by exploring the Java API, using reflection (or using specialized constructor classes). For more information on how FXML works, see the Introduction to FXML documentation .

Why ContextMenus cannot be defined in panels in JavaFX using FXML markup

contextMenu. A ScrollPane - . , StackPane, . , contextMenu, contextMenu FXML.

.

ContextMenu FXML

( , ) , contextMenu show API, , FXML.

@FXML StackPane stack;

// . . .

public void initialize() {
    final ContextMenu contextMenu = new ContextMenu(new MenuItem("xyzzy"));
    stack.setOnMouseClicked(new EventHandler<MouseEvent>() {
        @Override
        public void handle(MouseEvent mouseEvent) {
            contextMenu.show(
                    stack,
                    mouseEvent.getScreenX(), 
                    mouseEvent.getScreenY()
            );
        }
    });
}

ContextMenu

Node contextMenu, ContextMenus Panes FXML Markup.

, Node contextMenu, Control , ContextMenu . ContextMenu node , JavaFX ( ), . Java, JavaFX, ( , ).

, , SceneBuilder, JavaFX ( , ).

Answer 2

, node . .

. FXML ContextMenu .

BTW, Node.onContextMenuRequested(...) , ?