mirror of
https://github.com/flutter/flutter
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122 lines
3.2 KiB
Dart
122 lines
3.2 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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library stocks;
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import 'dart:async';
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import 'dart:math' as math;
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import 'dart:ui' as ui;
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/painting.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter/scheduler.dart';
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import 'package:intl/intl.dart';
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import 'stock_data.dart';
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import 'i18n/stock_messages_all.dart';
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part 'stock_arrow.dart';
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part 'stock_home.dart';
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part 'stock_list.dart';
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part 'stock_menu.dart';
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part 'stock_row.dart';
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part 'stock_settings.dart';
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part 'stock_strings.dart';
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part 'stock_symbol_viewer.dart';
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part 'stock_types.dart';
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class StocksApp extends StatefulComponent {
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StocksAppState createState() => new StocksAppState();
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}
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class StocksAppState extends State<StocksApp> {
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final Map<String, Stock> _stocks = <String, Stock>{};
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final List<String> _symbols = <String>[];
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void initState() {
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super.initState();
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new StockDataFetcher((StockData data) {
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setState(() {
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data.appendTo(_stocks, _symbols);
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});
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});
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}
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StockMode _optimismSetting = StockMode.optimistic;
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BackupMode _backupSetting = BackupMode.disabled;
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void modeUpdater(StockMode optimism) {
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setState(() {
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_optimismSetting = optimism;
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});
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}
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void settingsUpdater({ StockMode optimism, BackupMode backup }) {
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setState(() {
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if (optimism != null)
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_optimismSetting = optimism;
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if (backup != null)
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_backupSetting = backup;
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});
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}
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ThemeData get theme {
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switch (_optimismSetting) {
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case StockMode.optimistic:
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return new ThemeData(
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brightness: ThemeBrightness.light,
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primarySwatch: Colors.purple
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);
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case StockMode.pessimistic:
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return new ThemeData(
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brightness: ThemeBrightness.dark,
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accentColor: Colors.redAccent[200]
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);
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}
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}
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Route _getRoute(RouteSettings settings) {
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List<String> path = settings.name.split('/');
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if (path[0] != '')
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return null;
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if (path[1] == 'stock') {
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if (path.length != 3)
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return null;
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if (_stocks.containsKey(path[2])) {
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return new MaterialPageRoute(
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settings: settings,
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builder: (BuildContext context) => new StockSymbolPage(stock: _stocks[path[2]])
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);
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}
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}
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return null;
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}
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Future<LocaleQueryData> _onLocaleChanged(ui.Locale locale) {
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String localeString = locale.toString();
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return initializeMessages(localeString).then((_) {
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Intl.defaultLocale = localeString;
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return StockStrings.instance;
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});
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}
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Widget build(BuildContext context) {
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return new MaterialApp(
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title: 'Stocks',
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theme: theme,
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routes: <String, RouteBuilder>{
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'/': (RouteArguments args) => new StockHome(_stocks, _symbols, _optimismSetting, modeUpdater),
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'/settings': (RouteArguments args) => new StockSettings(_optimismSetting, _backupSetting, settingsUpdater)
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},
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onGenerateRoute: _getRoute,
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onLocaleChanged: _onLocaleChanged
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);
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}
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}
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void main() {
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runApp(new StocksApp());
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}
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