MacTopMenu.java

package nl.utwente.viskell.ui;

import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyCodeCombination;
import javafx.scene.input.KeyCombination;

/**
 * A top menu bar with global actions
 */
public class MacTopMenu extends MenuBar {
    public MacTopMenu(MenuActions menuActions) {
        super();

        useSystemMenuBarProperty().set(true);

        // Viskell menu items on mac - preferences and quit
        final Menu appMenu = new Menu("Viskell");
        MenuItem preferencesMenuItem = new MenuItem("Preferences");
        preferencesMenuItem.setAccelerator(new KeyCodeCombination(KeyCode.COMMA, KeyCombination.SHORTCUT_DOWN));
        preferencesMenuItem.setOnAction(menuActions::showPreferences);

        MenuItem quitMenuItem = new MenuItem("Quit");
        quitMenuItem.setAccelerator(new KeyCodeCombination(KeyCode.Q, KeyCombination.SHORTCUT_DOWN));
        quitMenuItem.setOnAction(menuActions::onQuit);
        appMenu.getItems().addAll(preferencesMenuItem, quitMenuItem);

        // File menu
        final Menu fileMenu = new Menu("_File");
        fileMenu.setMnemonicParsing(true);
        fileMenu.getItems().addAll(menuActions.fileMenuItems());

        // View menu
        final Menu viewMenu = new Menu("_View");
        viewMenu.setMnemonicParsing(true);

        MenuItem menuInspector = new MenuItem("Inspector");
        menuInspector.setAccelerator(new KeyCodeCombination(KeyCode.I, KeyCombination.SHORTCUT_DOWN));
        menuInspector.setOnAction(menuActions::showInspector);

        MenuItem fullscreen = new MenuItem("Toggle Fullscreen");
        fullscreen.setAccelerator(new KeyCodeCombination(KeyCode.F, KeyCombination.SHORTCUT_DOWN));
        fullscreen.setOnAction(menuActions::toggleFullScreen);

        MenuItem zoomIn = new MenuItem("Zoom In");
        zoomIn.setAccelerator(new KeyCodeCombination(KeyCode.PLUS, KeyCombination.SHORTCUT_DOWN));
        zoomIn.setOnAction(menuActions::zoomIn);

        // FIXME The shortcut inexplicably doesn't work on a Mac!
        MenuItem zoomOut = new MenuItem("Zoom Out");
        zoomOut.setAccelerator(new KeyCodeCombination(KeyCode.MINUS, KeyCombination.SHORTCUT_DOWN));
        zoomOut.setOnAction(menuActions::zoomOut);

        viewMenu.getItems().addAll(menuInspector, fullscreen, zoomIn, zoomOut);

        // Help Menu
        final Menu helpMenu = new Menu("_Help");
        helpMenu.setMnemonicParsing(true);

        getMenus().addAll(appMenu, fileMenu, viewMenu, helpMenu);
    }
}