Cleanup sky/sdk/examples

sky/sdk/example/stocks/lib/stock_menu.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:sky/framework/fn.dart';
-import 'package:sky/framework/layout.dart';
-import 'package:sky/framework/components/popup_menu.dart';
-import 'package:sky/framework/components/checkbox.dart';
+import 'package:sky/widgets/checkbox.dart';
+import 'package:sky/widgets/popup_menu.dart';
+import 'package:sky/widgets/basic.dart';
 import 'package:sky/framework/theme/view_configuration.dart';
 
 class StockMenu extends Component {
-  static final Style _style = new Style('''
-    position: absolute;
-    right: 8px;
-    top: ${8 + kStatusBarHeight}px;''');
 
-  PopupMenuController controller;
+  StockMenu({
+    String key,
+    this.controller,
+    this.autorefresh: false,
+    this.onAutorefreshChanged
+  }) : super(key: key);
 
-  StockMenu({Object key, this.controller, this.autorefresh: false, this.onAutorefreshChanged}) : super(key: key);
-
+  final PopupMenuController controller;
   final bool autorefresh;
   final ValueChanged onAutorefreshChanged;
 
-  static FlexBoxParentData _flex1 = new FlexBoxParentData()..flex = 1;
-
-  UINode build() {
+  Widget build() {
     var checkbox = new Checkbox(
-      checked: this.autorefresh,
+      value: this.autorefresh,
       onChanged: this.onAutorefreshChanged
     );
 
-    return new StyleNode(
-      new PopupMenu(
+    return new Positioned(
+      child: new PopupMenu(
         controller: controller,
         items: [
-          [new Text('Add stock')],
-          [new Text('Remove stock')],
-          [new ParentDataNode(new Text('Autorefresh'), _flex1), checkbox],
+          new Text('Add stock'),
+          new Text('Remove stock'),
+          new Flex([new Flexible(child: new Text('Autorefresh')), checkbox]),
         ],
-        level: 4),
-        _style
+        level: 4
+      ),
+      right: 8.0,
+      top: 8.0 + kStatusBarHeight
     );
   }
 }