JavaFX example: create new window at run-time

JavaFX example to create new window at run-time:

JavaFX example: create new window at run-time

In action:

package javafx_newwindow;

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

/**
 *
 * @web http://java-buddy.blogspot.com/
 */
public class JavaFX_NewWindow extends Application {
    
    @Override
    public void start(Stage primaryStage) {
        Button btn = new Button();
        btn.setText("New a Window");
        btn.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                final Stage newStage = new Stage();
                Group newRoot = new Group();
                Scene scene = new Scene(newRoot, 300, 200);
                newStage.setScene(scene);
                newStage.show();
                
                VBox vBox = new VBox();
                
                Label newLabel = new Label();
                newLabel.setText(newStage.toString());
                
                Button btnClose = new Button("Close");
                btnClose.setOnAction(new EventHandler<ActionEvent>() {
                    @Override
                    public void handle(ActionEvent t) {
                        newStage.close();
                    }
                });
                
                vBox.getChildren().addAll(newLabel, btnClose);
                newRoot.getChildren().add(vBox);
            }
        });
        
        StackPane root = new StackPane();
        root.getChildren().add(btn);
        
        Scene scene = new Scene(root, 300, 250);
        
        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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