Jisho-Study-Tool/lib/screens/kanji_search.dart

import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';

import 'package:jisho_study_tool/bloc/kanji/kanji_bloc.dart';
import 'package:jisho_study_tool/components/kanji/kanji__search_page/kanji_search_page.dart';
import 'package:jisho_study_tool/components/kanji/kanji_suggestions.dart';
import 'package:jisho_study_tool/components/loading.dart';

class KanjiView extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return BlocListener<KanjiBloc, KanjiState>(
      listener: (context, state) {
        if (state is KanjiSearchInitial) {
          FocusScope.of(context).unfocus();
        } else if (state is KanjiSearchLoading) {
          FocusScope.of(context).unfocus();
        }
      },
      child: BlocBuilder<KanjiBloc, KanjiState>(
        builder: (context, state) {
          if (state is KanjiSearchInitial) {
            return Container();
          } else if (state is KanjiSearchInput)
            return KanjiSuggestions(state.kanjiSuggestions);
          else if (state is KanjiSearchLoading)
            return LoadingScreen();
          else if (state is KanjiSearchFinished)
            return WillPopScope(
                child: KanjiResultCard(state.kanji),
                onWillPop: () async {
                  BlocProvider.of<KanjiBloc>(context)
                      .add(ReturnToInitialState());
                  return false;
                });
          throw 'No such event found';
        },
      ),
    );
  }
}

class KanjiViewBar extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Container(
      child: Row(
        children: [
          IconButton(
            icon: Icon(Icons.arrow_back),
            onPressed: () =>
                BlocProvider.of<KanjiBloc>(context).add(ReturnToInitialState()),
          ),
          Expanded(
            child: Container(
              child: TextField(
                onChanged: (text) => BlocProvider.of<KanjiBloc>(context)
                    .add(GetKanjiSuggestions(text)),
                onSubmitted: (text) =>
                    BlocProvider.of<KanjiBloc>(context).add(GetKanji(text)),
                decoration: new InputDecoration(
                    prefixIcon: Icon(Icons.search),
                    hintText: 'Search for kanji',
                    fillColor: Colors.white,
                    filled: true,
                    border: OutlineInputBorder(
                      borderRadius: BorderRadius.circular(100.0),
                    ),
                    contentPadding: EdgeInsets.symmetric(vertical: 10.0),
                    isDense: false),
                style: TextStyle(
                  fontSize: 14.0,
                ),
              ),
            ),
          ),
          IconButton(
            icon: Icon(Icons.star_border),
            onPressed: null,
          ),
          IconButton(
            icon: Icon(Icons.add),
            onPressed: null,
          ),
        ],
      ),
    );
  }
}