forked from lxm_flutter/FlutterUnit
40 lines
1.1 KiB
Dart
40 lines
1.1 KiB
Dart
import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:flutter_unit/model/enums.dart';
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import 'package:flutter_unit/repositories/rep/widget_repository.dart';
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import 'widgets_event.dart';
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import 'widgets_state.dart';
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/// create by 张风捷特烈 on 2020-03-03
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/// contact me by email 1981462002@qq.com
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/// 说明: 处理主页 Widget 列表加载逻辑
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class WidgetsBloc extends Bloc<WidgetsEvent, WidgetsState> {
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final WidgetRepository repository;
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WidgetsBloc({@required this.repository}):super(WidgetsLoading(WidgetFamily.statelessWidget));
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@override
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Stream<WidgetsState> mapEventToState(WidgetsEvent event) async* {
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if (event is EventTabTap) {
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yield* _mapLoadWidgetToState(event.family);
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}
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}
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Stream<WidgetsState> _mapLoadWidgetToState(WidgetFamily family) async* {
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yield WidgetsLoading(family);
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try {
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final widgets = await this.repository.loadWidgets(family);
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yield WidgetsLoaded(family, widgets: widgets);
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} catch (err) {
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print(err);
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yield WidgetsLoadFailed(family,err.toString());
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}
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}
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}
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