pikapika/lib/basic/config/ShadowCategories.dart

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2021-09-29 23:57:09 +00:00
/// 屏蔽的分类
import 'package:event/event.dart';
import 'package:flutter/material.dart';
import 'package:multi_select_flutter/dialog/mult_select_dialog.dart';
import 'package:multi_select_flutter/multi_select_flutter.dart';
import '../Method.dart';
import '../store/Categories.dart';
late List<String> shadowCategories;
var shadowCategoriesEvent = Event<EventArgs>();
Future<void> initShadowCategories() async {
shadowCategories = await method.getShadowCategories();
}
Future<void> chooseShadowCategories(BuildContext context) async {
await showDialog(
context: context,
builder: (ctx) {
var initialValue = <String>[];
shadowCategories.forEach((element) {
if (shadowCategories.contains(element)) {
initialValue.add(element);
}
});
return MultiSelectDialog<String>(
title: Text('封印'),
searchHint: '搜索',
cancelText: Text('取消'),
confirmText: Text('确定'),
items: storedCategories.map((e) => MultiSelectItem(e, e)).toList(),
initialValue: initialValue,
onConfirm: (List<String>? value) async {
if (value != null) {
await method.setShadowCategories(value);
shadowCategories = value;
shadowCategoriesEvent.broadcast();
}
},
);
},
);
}
Widget shadowCategoriesActionButton(BuildContext context) {
return IconButton(
onPressed: () {
chooseShadowCategories(context);
},
icon: Icon(Icons.dnd_forwardslash),
);
}