Rename UINode to Widget.

sky/examples/widgets/sector.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 'dart:math' as math;
 
 import 'package:sky/rendering/box.dart';
 import 'package:sky/rendering/flex.dart';
 import 'package:sky/theme2/colors.dart';
 import 'package:sky/theme2/edges.dart';
 import 'package:sky/theme2/typography.dart';
 import 'package:sky/widgets/basic.dart';
 import 'package:sky/widgets/material.dart';
 import 'package:sky/widgets/raised_button.dart';
 import 'package:sky/widgets/scaffold.dart';
 import 'package:sky/widgets/tool_bar.dart';
-import 'package:sky/widgets/ui_node.dart';
+import 'package:sky/widgets/widget.dart';
 
 import '../rendering/sector_layout.dart';
 
 RenderBox initCircle() {
   return new RenderBoxToRenderSectorAdapter(
     innerRadius: 25.0,
     child: new RenderSectorRing(padding: 0.0)
   );
 }
 
@@ skipping 37 matching lines @@
   bool enabledRemove = false;
   void updateEnabledState() {
     setState(() {
       var ring = (sectors.child as RenderSectorRing);
       SectorDimensions currentSize = ring.getIntrinsicDimensions(const SectorConstraints(), ring.deltaRadius);
       enabledAdd = currentSize.deltaTheta < kTwoPi;
       enabledRemove = ring.firstChild != null;
     });
   }
 
-  UINode build() {
+  Widget build() {
     return new Scaffold(
       toolbar: new ToolBar(
           center: new Text('Sector Layout in a Widget Tree', style: white.title),
           backgroundColor: Blue[500]),
       body: new Material(
         edge: MaterialEdge.canvas,
         child: new Flex([
             new Container(
               padding: new EdgeDims.symmetric(horizontal: 8.0, vertical: 25.0),
               child: new Flex([
                   new RaisedButton(
                     key: 'add-button',
                     enabled: enabledAdd,
                     child: new ShrinkWrapWidth(
                       child: new Flex([
                         new Container(
                           padding: new EdgeDims.all(4.0),
                           margin: new EdgeDims.only(right: 10.0),
-                          child: new UINodeToRenderBoxAdapter(sectorAddIcon)
+                          child: new WidgetToRenderBoxAdapter(sectorAddIcon)
                         ),
                         new Text('ADD SECTOR'),
                       ])
                     ),
                     onPressed: addSector
                   ),
                   new RaisedButton(
                     key: 'remove-button',
                     enabled: enabledRemove,
                     child: new ShrinkWrapWidth(
                       child: new Flex([
                         new Container(
                           padding: new EdgeDims.all(4.0),
                           margin: new EdgeDims.only(right: 10.0),
-                          child: new UINodeToRenderBoxAdapter(sectorRemoveIcon)
+                          child: new WidgetToRenderBoxAdapter(sectorRemoveIcon)
                         ),
                         new Text('REMOVE SECTOR'),
                       ])
                     ),
                     onPressed: removeSector
                   )
                 ],
                 justifyContent: FlexJustifyContent.spaceAround
               )
             ),
             new Flexible(
               child: new Container(
                 margin: new EdgeDims.all(8.0),
                 decoration: new BoxDecoration(
                   border: new Border.all(new BorderSide(color: new Color(0xFF000000)))
                 ),
                 padding: new EdgeDims.all(8.0),
-                child: new UINodeToRenderBoxAdapter(sectors)
+                child: new WidgetToRenderBoxAdapter(sectors)
               )
             ),
           ],
           direction: FlexDirection.vertical,
           justifyContent: FlexJustifyContent.spaceBetween
         )
       )
     );
   }
 }
 
 void main() {
   App app = new SectorApp();
-  UINodeAppView.appView.onFrame = () {
+  WidgetAppView.appView.onFrame = () {
     // uncomment this for debugging:
-    // UINodeAppView.appView.debugDumpRenderTree();
+    // WidgetAppView.appView.debugDumpRenderTree();
   };
 }