anchor.diff:        children: [
           new DrawerHeader(children: [new Text('Stocks')]),
           new MenuItem(
  -          key: 'Inbox',
  -          icon: 'content/inbox',
  -          children: [new Text('Inbox')]),
  -        new MenuDivider(),
  -        new MenuItem(
  -          key: 'Drafts',
  -          icon: 'content/drafts',
  -          children: [new Text('Drafts')]),
  +          key: 'Stock list',
  +          icon: 'action/assessment',
  +          children: [new Text('Stock List')]),
  +        new MenuItem(
  +          key: 'Account Balance',
  +          icon: 'action/account_balance',
  +          children: [new Text('Account Balance')]),
  +        new MenuDivider(key: 'div1'),
  +        new MenuItem(
  +          key: 'Optimistic Menu Item',
  +          icon: 'action/thumb_up',
  +          onGestureTap: (event) => _handleStockModeChange(StockMode.Optimistic),
  +          children: [
  +            new ParentDataNode(new Text('Optimistic'), _flex1),
  +            new Radio(key: 'optimistic-radio', value: StockMode.Optimistic, groupValue: _stockMode, onChanged: _handleStockModeChange)
  +          ]),
  +        new MenuItem(
  +          key: 'Pessimistic Menu Item',
  +          icon: 'action/thumb_down',
  +          onGestureTap: (event) => _handleStockModeChange(StockMode.Pessimistic),
  +          children: [
  +            new ParentDataNode(new Text('Pessimistic'), _flex1),
  +            new Radio(key: 'pessimistic-radio', value: StockMode.Pessimistic, groupValue: _stockMode, onChanged: _handleStockModeChange)
  +          ]),
  +        new MenuDivider(key: 'div2'),
           new MenuItem(
             key: 'Settings',
             icon: 'action/settings',
  
positive.code:     if (_menuController == null)
        return;
      overlays.add(new ModalOverlay(
        children: [new StockMenu(controller: _menuController)],
        onDismiss: _handleMenuHide));
    }
  
  
negative.code: import 'package:sky/framework/components/menu_item.dart';
  import 'package:sky/framework/components/modal_overlay.dart';
  import 'package:sky/framework/components/popup_menu.dart';
  import 'package:sky/framework/components/radio.dart';
  import 'package:sky/framework/components/scaffold.dart';
  import 'package:sky/framework/fn.dart';
  import 'package:sky/framework/theme/typography.dart' as typography;
  