package test;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.VBox;
import javafx.stage.Modality;
import javafx.stage.Stage;

public class RT_19783 extends Application {
    @Override
    public void start(final Stage primaryStage) throws Exception {
        VBox root = new VBox();
        Button button = new Button("Open Modal Window");
        root.getChildren().add(button);
        
        button.setOnAction(new EventHandler<ActionEvent>() {            
            @Override
            public void handle(ActionEvent event) {
                VBox root = new VBox();
                Button button = new Button("Close");
                root.getChildren().add(button);
                
                Label label = new Label("I am blocking!");
                root.getChildren().add(label);
                
                button.setOnAction(new EventHandler<ActionEvent>() {            
                    @Override
                    public void handle(ActionEvent event) {
                        ((Button)event.getSource()).getScene().getWindow().hide();
                    }
                });
                
                Stage modalWindowStage = new Stage();
                modalWindowStage.setScene(new Scene(root));
                modalWindowStage.initOwner(((Button)event.getSource()).getScene().getWindow());
                modalWindowStage.initModality(Modality.APPLICATION_MODAL); // WINDOW_MODAL also fails
                modalWindowStage.show();
                
                label.setText("I am not blocking!");
            }
        });
        
        primaryStage.setScene(new Scene(root));
        primaryStage.show();
    }
    
    public static void main(String[] args) {
        launch();
    }
}