Initializes the default brackets menu items.
File menu
var menu;
menu = Menus.addMenu(Strings.FILE_MENU, Menus.AppMenuBar.FILE_MENU);
menu.addMenuItem(Commands.FILE_NEW_UNTITLED);
menu.addMenuItem(Commands.FILE_OPEN);
menu.addMenuItem(Commands.FILE_OPEN_FOLDER);
menu.addMenuItem(Commands.FILE_CLOSE);
menu.addMenuItem(Commands.FILE_CLOSE_ALL);
menu.addMenuDivider();
menu.addMenuItem(Commands.FILE_SAVE);
menu.addMenuItem(Commands.FILE_SAVE_ALL);
menu.addMenuItem(Commands.FILE_SAVE_AS);
menu.addMenuDivider();
menu.addMenuItem(Commands.FILE_LIVE_FILE_PREVIEW);
menu.addMenuItem(Commands.TOGGLE_LIVE_PREVIEW_MB_MODE);
menu.addMenuItem(Commands.FILE_PROJECT_SETTINGS);
menu.addMenuDivider();
menu.addMenuItem(Commands.FILE_EXTENSION_MANAGER);
// suppress redundant quit menu item on mac
if (brackets.platform !== "mac" || !brackets.nativeMenus) {
menu.addMenuDivider();
menu.addMenuItem(Commands.FILE_QUIT);
}