yokutango-mobile-reader/lib/router.dart

import 'dart:io';

import 'package:tangocard_reader/models/data_entry.dart';
import 'package:tangocard_reader/models/router_args.dart';
import 'package:tangocard_reader/screens/home.dart';
import 'package:tangocard_reader/screens/pages/tango_list.dart';
import 'package:flutter/material.dart';
import 'package:tangocard_reader/screens/practise/practise.dart';

import 'screens/pages/kanji_list.dart';

class PageRouter {
  static Route<dynamic> generateRoute(RouteSettings settings) {
    final args = settings.arguments;

    switch (settings.name) {
      case '/':
        return MaterialPageRoute(builder: (_) => const Home());

      case '/list/tango':
        final file = args as File;
        return MaterialPageRoute(builder: (_) => TangoList(file: file));

      case '/list/kanji':
        final file = args as File;
        return MaterialPageRoute(builder: (_) => KanjiList(file: file));

      case '/benkyou/tango':
        final benkyouArgs = args as BenkyouArgs;
        return MaterialPageRoute(
          builder: (_) => PractiseView(
            entries: benkyouArgs.cards as List<YokutangoEntry>,
            index: benkyouArgs.index ?? 0,
            isKanji: false,
          ),
        );

      case '/benkyou/kanji':
        final benkyouArgs = args as BenkyouArgs;
        return MaterialPageRoute(
          builder: (_) => PractiseView(
            entries: benkyouArgs.cards as List<KanjiEntry>,
            index: benkyouArgs.index ?? 0,
            isKanji: true,
          ),
        );

      default:
        return MaterialPageRoute(
          builder: (_) => Scaffold(
            appBar: AppBar(title: const Text('Error')),
            body: Center(child: ErrorWidget('No such route...')),
          ),
        );
    }
  }
}