82 lines
2.2 KiB
Dart
82 lines
2.2 KiB
Dart
/// 屏蔽的分类
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:multi_select_flutter/multi_select_flutter.dart';
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import '../Method.dart';
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import '../store/Categories.dart';
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import 'ShadowCategoriesEvent.dart';
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const _propertyName = "shadowCategories";
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late List<String> shadowCategories;
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/// 获取封印的类型
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Future<List<String>> _loadShadowCategories() async {
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var value = await method.loadProperty(_propertyName, jsonEncode(<String>[]));
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return List.of(jsonDecode(value)).map((e) => "$e").toList();
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}
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/// 保存封印的类型
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Future<dynamic> _saveShadowCategories(List<String> value) {
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return method.saveProperty(_propertyName, jsonEncode(value));
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}
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Future<void> initShadowCategories() async {
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shadowCategories = await _loadShadowCategories();
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}
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Future<void> _chooseShadowCategories(BuildContext context) async {
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await showDialog(
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context: context,
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builder: (ctx) {
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var initialValue = <String>[];
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for (var element in shadowCategories) {
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if (shadowCategories.contains(element)) {
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initialValue.add(element);
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}
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}
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return MultiSelectDialog<String>(
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title: const Text('封印'),
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searchHint: '搜索',
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cancelText: const Text('取消'),
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confirmText: const Text('确定'),
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items: storedCategories.map((e) => MultiSelectItem(e, e)).toList(),
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initialValue: initialValue,
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onConfirm: (List<String>? value) async {
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if (value != null) {
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await _saveShadowCategories(value);
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shadowCategories = value;
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shadowCategoriesEvent.broadcast();
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}
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},
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);
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},
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);
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}
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Widget shadowCategoriesActionButton(BuildContext context) {
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return IconButton(
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onPressed: () {
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_chooseShadowCategories(context);
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},
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icon: Icon(Icons.hide_source),
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);
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}
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Widget shadowCategoriesSetting() {
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return StatefulBuilder(
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builder: (BuildContext context, void Function(void Function()) setState) {
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return ListTile(
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title: const Text("封印"),
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subtitle: Text(jsonEncode(shadowCategories)),
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onTap: () async {
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await _chooseShadowCategories(context);
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setState(() {});
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},
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);
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},
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);
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}
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