Support for alignItems (test incoming)

sky/sdk/lib/framework/fn2.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.
 
 library fn;
 
 import 'app.dart';
 import 'dart:async';
 import 'dart:collection';
 import 'dart:mirrors';
@@ skipping 769 matching lines @@
   final String data;
   bool get interchangeable => true;
   UINode build() => new Paragraph(text: data);
 }
 
 class Flex extends MultiChildRenderObjectWrapper {
 
   Flex(List<UINode> children, {
     Object key,
     this.direction: FlexDirection.horizontal,
-    this.justifyContent: FlexJustifyContent.flexStart
+    this.justifyContent: FlexJustifyContent.flexStart,
+    this.alignItems: FlexAlignItems.center

[Hixie, 2015/06/10 23:40:13]

don't specify arguments when the value you're setting is the default value

[jackson, 2015/06/11 16:58:38]

we discussed this and it sounds like we're on the same page now

   }) : super(key: key, children: children);
 
   RenderFlex get root { RenderFlex result = super.root; return result; }
   RenderFlex createNode() => new RenderFlex(direction: this.direction);
 
   final FlexDirection direction;
   final FlexJustifyContent justifyContent;
+  final FlexAlignItems alignItems;
 
   void syncRenderObject(UINode old) {
     super.syncRenderObject(old);
     root.direction = direction;
     root.justifyContent = justifyContent;
+    root.alignItems = alignItems;
   }
 
 }
 
 class FlexExpandingChild extends ParentDataNode {
   FlexExpandingChild(UINode content, { int flex: 1, Object key })
     : super(content, new FlexBoxParentData()..flex = flex, key: key);
 }
 
 class Image extends RenderObjectWrapper {
@@ skipping 367 matching lines @@
       // we haven't attached it yet
       assert(_container.child == null);
       _container.child = root;
     }
     assert(root.parent == _container);
   }
 
   UINode build() => builder();
 
 }