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lasagna7355608 on 07/16/15

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Manually Creating a Menu Bar in Java

/ Published in: Java

Cumbersome but effective code to creating a menu bar

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import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.KeyCombination;
import javafx.scene.input.MouseButton;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.CycleMethod;
import javafx.scene.paint.LinearGradient;
import javafx.scene.paint.Stop;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

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

private Stage stage = null;

public Menu createFileMenu() {
        Menu fileMenu = new Menu("File");

Image icon = new Image(Example01.class.getResourceAsStream("/images/new.png"));
        MenuItem itemNew = new MenuItem("New...", new ImageView(icon));
        itemNew.setAccelerator(KeyCombination.keyCombination("Ctrl+N"));
        itemNew.setOnAction(event -> System.out.println("New... menu item clicked."));

// create open menu item
        MenuItem itemOpen = new MenuItem("Open...");
        itemOpen.setOnAction(event -> System.out.println("Open... menu item clicked."));

// create exit menu item
        MenuItem itemExit = new MenuItem("Exit");
        itemExit.setAccelerator(KeyCombination.keyCombination("Ctrl+X"));
        itemExit.setOnAction(event -> {
            System.out.println("Exit menu item clicked.");
            // stop the application
            stage.hide();
        });

// add menu items to the menu
        fileMenu.getItems().addAll(
                itemNew,
                itemOpen,
                itemExit
        );

return fileMenu;
    }

public Menu createEditMenu() {
        Menu editMenu = new Menu("Edit");

MenuItem itemCopy = new MenuItem("Copy");
        itemCopy.setOnAction(event -> System.out.println("Copy menu item clicked."));

MenuItem itemCut = new MenuItem("Cut");
        itemCut.setOnAction(event -> System.out.println("Cut menu item clicked."));

// add menu items to the menu
        editMenu.getItems().addAll(
                itemCopy,
                itemCut,
                createPasteMenu()
        );

return editMenu;
    }

public Menu createPasteMenu() {
        Menu pasteMenu = new Menu("Paste as");

MenuItem itemPasteAsText = new MenuItem("Text");
        itemPasteAsText.setOnAction(event -> System.out.println("Paste as Text menu item clicked."));

MenuItem itemPasteAsContent = new MenuItem("Content");
        itemPasteAsContent.setOnAction(event -> System.out.println("Paste as Content menu item clicked."));

MenuItem itemPasteAsFormatting = new MenuItem("Formatting");
        itemPasteAsFormatting.setOnAction(event -> System.out.println("Paste as Formatting menu item clicked."));

// add menu items to the menu
        pasteMenu.getItems().addAll(
                itemPasteAsText,
                itemPasteAsContent,
                itemPasteAsFormatting
        );

return pasteMenu;
    }

public MenuBar createMenuBar() {
        MenuBar menuBar = new MenuBar();

menuBar.getMenus().addAll(
                createFileMenu(),
                createEditMenu()
        );

return menuBar;
    }

public ContextMenu createContextMenu() {
        ContextMenu contextMenu = new ContextMenu(
                createFileMenu(),
                createEditMenu()
        );

return contextMenu;
    }

public Scene createScene() {
        BorderPane bp = new BorderPane();

VBox center = new VBox();
        center.setSpacing(10);

Rectangle rect = createRectangle();

center.getChildren().addAll(
                createMenuButton(),
                createSplitMenuButton(),
                rect
        );

// make the context menu appear when right-click on the center VBox
        ContextMenu contextMenu = createContextMenu();
        rect.setOnMousePressed(event -> {
            if (event.getButton() == MouseButton.SECONDARY) {
                contextMenu.show(stage, event.getScreenX(), event.getScreenY());
            }
        });

// set the menu bar to the top section, rest in center
        bp.setTop(createMenuBar());
        bp.setCenter(center);

return new Scene(bp, 500, 400);
    }

@Override
    public void start(Stage primaryStage) throws Exception {
        stage = primaryStage;

primaryStage.setTitle("Example 1");
        primaryStage.setScene(createScene());
        primaryStage.show();
    }
}

URL: manualmenujava

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