Move sky/examples to sky/sdk/lib/example, and code changes to support that change. Fixes T277.

sky/examples/stocks2/lib/stock_home.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/editing/input.dart';
-import 'package:sky/theme/colors.dart' as colors;
-import 'package:sky/widgets/basic.dart';
-import 'package:sky/widgets/drawer.dart';
-import 'package:sky/widgets/drawer_header.dart';
-import 'package:sky/widgets/floating_action_button.dart';
-import 'package:sky/widgets/icon.dart';
-import 'package:sky/widgets/icon_button.dart';
-import 'package:sky/widgets/menu_divider.dart';
-import 'package:sky/widgets/menu_item.dart';
-import 'package:sky/widgets/modal_overlay.dart';
-import 'package:sky/widgets/navigator.dart';
-import 'package:sky/widgets/popup_menu.dart';
-import 'package:sky/widgets/radio.dart';
-import 'package:sky/widgets/scaffold.dart';
-import 'package:sky/widgets/tool_bar.dart';
-import 'package:sky/widgets/widget.dart';
-
-import 'stock_data.dart';
-import 'stock_list.dart';
-import 'stock_menu.dart';
-import 'stock_types.dart';
-
-typedef void ModeUpdater(StockMode mode);
-
-class StockHome extends Component {
-
-  StockHome(this.navigator, this.stocks, this.stockMode, this.modeUpdater) : super(stateful: true) {
-    // if (debug)
-    //   new Timer(new Duration(seconds: 1), dumpState);
-    _drawerController = new DrawerController(_handleDrawerStatusChanged);
-  }
-
-  Navigator navigator;
-  List<Stock> stocks;
-  StockMode stockMode;
-  ModeUpdater modeUpdater;
-
-  void syncFields(StockHome source) {
-    navigator = source.navigator;
-    stocks = source.stocks;
-    stockMode = source.stockMode;
-    modeUpdater = source.modeUpdater;
-  }
-
-  bool _isSearching = false;
-  String _searchQuery;
-
-  void _handleSearchBegin() {
-    setState(() {
-      _isSearching = true;
-    });
-  }
-
-  void _handleSearchEnd() {
-    setState(() {
-      _isSearching = false;
-      _searchQuery = null;
-    });
-  }
-
-  void _handleSearchQueryChanged(String query) {
-    setState(() {
-      _searchQuery = query;
-    });
-  }
-
-  DrawerController _drawerController;
-  bool _drawerShowing = false;
-
-  void _handleDrawerStatusChanged(bool showing) {
-    if (!showing && navigator.currentRoute.name == "/drawer") {
-      navigator.pop();
-    }
-    setState(() {
-      _drawerShowing = showing;
-    });
-  }
-
-  PopupMenuController _menuController;
-
-  void _handleMenuShow() {
-    setState(() {
-      _menuController = new PopupMenuController();
-      _menuController.open();
-    });
-  }
-
-  void _handleMenuHide() {
-    setState(() {
-      _menuController.close().then((_) {
-        setState(() {
-          _menuController = null;
-        });
-      });
-    });
-  }
-
-  bool _autorefresh = false;
-  void _handleAutorefreshChanged(bool value) {
-    setState(() {
-      _autorefresh = value;
-    });
-  }
-
-  void _handleStockModeChange(StockMode value) {
-    setState(() {
-      stockMode = value;
-    });
-    if (modeUpdater != null)
-      modeUpdater(value);
-  }
-
-  Drawer buildDrawer() {
-    return new Drawer(
-      controller: _drawerController,
-      level: 3,
-      children: [
-        new DrawerHeader(children: [new Text('Stocks')]),
-        new MenuItem(
-          icon: 'action/assessment',
-          children: [new Text('Stock List')]),
-        new MenuItem(
-          icon: 'action/account_balance',
-          children: [new Text('Account Balance')]),
-        new MenuDivider(),
-        new MenuItem(
-          icon: 'action/thumb_up',
-          onPressed: () => _handleStockModeChange(StockMode.optimistic),
-          children: [
-            new Flexible(child: new Text('Optimistic')),
-            new Radio(value: StockMode.optimistic, groupValue: stockMode, onChanged: _handleStockModeChange)
-          ]),
-        new MenuItem(
-          icon: 'action/thumb_down',
-          onPressed: () => _handleStockModeChange(StockMode.pessimistic),
-          children: [
-            new Flexible(child: new Text('Pessimistic')),
-            new Radio(value: StockMode.pessimistic, groupValue: stockMode, onChanged: _handleStockModeChange)
-          ]),
-        new MenuDivider(),
-        new MenuItem(
-          icon: 'action/settings',
-          onPressed: () => navigator.pushNamed('/settings'),
-          children: [new Text('Settings')]),
-        new MenuItem(
-          icon: 'action/help',
-          children: [new Text('Help & Feedback')])
-     ]
-    );
-  }
-
-  void _handleOpenDrawer() {
-    _drawerController.open();
-    navigator.pushState("/drawer", (_) {
-      _drawerController.close();
-    });
-  }
-
-  Widget buildToolBar() {
-    return new ToolBar(
-        left: new IconButton(
-          icon: 'navigation/menu_white',
-          onPressed: _handleOpenDrawer),
-        center: new Text('Stocks'),
-        right: [
-          new IconButton(
-            icon: 'action/search_white',
-            onPressed: _handleSearchBegin),
-          new IconButton(
-            icon: 'navigation/more_vert_white',
-            onPressed: _handleMenuShow)
-        ]
-      );
-  }
-
-  // TODO(abarth): Should we factor this into a SearchBar in the framework?
-  Widget buildSearchBar() {
-    return new ToolBar(
-      left: new IconButton(
-        icon: 'navigation/arrow_back_grey600',
-        onPressed: _handleSearchEnd),
-      center: new Input(
-        focused: true,
-        placeholder: 'Search stocks',
-        onChanged: _handleSearchQueryChanged),
-      backgroundColor: colors.Grey[50]
-    );
-  }
-
-  void addMenuToOverlays(List<Widget> overlays) {
-    if (_menuController == null)
-      return;
-    overlays.add(new ModalOverlay(
-      children: [new StockMenu(
-        controller: _menuController,
-        autorefresh: _autorefresh,
-        onAutorefreshChanged: _handleAutorefreshChanged
-      )],
-      onDismiss: _handleMenuHide));
-  }
-
-  Widget build() {
-    List<Widget> overlays = [
-      new Scaffold(
-        toolbar: _isSearching ? buildSearchBar() : buildToolBar(),
-        body: new Stocklist(stocks: stocks, query: _searchQuery),
-        floatingActionButton: new FloatingActionButton(
-          child: new Icon(type: 'content/add_white', size: 24)
-        ),
-        drawer: _drawerShowing ? buildDrawer() : null
-      ),
-    ];
-    addMenuToOverlays(overlays);
-    return new Stack(overlays);
-  }
-}