Menu Item ToggleGroup : Menu « JavaFX « Java

1. Java
2. JavaFX
3. Menu

Menu Item ToggleGroup

 
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.RadioMenuItem;
import javafx.scene.control.RadioMenuItemBuilder;
import javafx.scene.control.SeparatorMenuItem;
import javafx.scene.control.ToggleGroup;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

public class Main extends Application {
  public static void main(String[] args) {
    Application.launch(args);
  }

  @Override
  public void start(final Stage primaryStage) {
    primaryStage.setTitle("title");
    Group root = new Group();
    Scene scene = new Scene(root, 400, 300, Color.WHITE);

    MenuBar menuBar = new MenuBar();
    menuBar.prefWidthProperty().bind(primaryStage.widthProperty());

    Menu menu = new Menu("File");


    ToggleGroup modalGroup = new ToggleGroup();
    RadioMenuItem nonModalItem = RadioMenuItemBuilder.create().toggleGroup(modalGroup).text("On").selected(true).build();
    nonModalItem.setOnAction(new EventHandler<ActionEvent>() {
      public void handle(ActionEvent event) {
        System.out.println("Action");
      }
    });

    menu.getItems().add(nonModalItem);
    RadioMenuItem modalItem = RadioMenuItemBuilder.create().toggleGroup(modalGroup).text("Off").selected(true).build();
    modalItem.setOnAction(new EventHandler<ActionEvent>() {
      public void handle(ActionEvent event) {
        System.out.println("Action");
      }
    });
    menu.getItems().add(modalItem);
    menu.getItems().add(new SeparatorMenuItem());
    
    menuBar.getMenus().add(menu);
    root.getChildren().add(menuBar);
    primaryStage.setScene(scene);
    primaryStage.show();
  }
}

   
  

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