Encrypted messaging app
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import 'package:Capsule/components/custom_title_bar.dart';
import 'package:Capsule/components/qr_reader.dart';
import 'package:Capsule/views/main/friend/add_search.dart';
import 'package:Capsule/views/main/friend/request_list_item.dart';
import 'package:flutter/material.dart';
import '/models/friends.dart';
import '/components/custom_expandable_fab.dart';
import '/views/main/friend/list_item.dart';
class FriendList extends StatefulWidget {
final List<Friend> friends;
final List<Friend> friendRequests;
final Function callback;
const FriendList({
Key? key,
required this.friends,
required this.friendRequests,
required this.callback,
}) : super(key: key);
@override
State<FriendList> createState() => _FriendListState();
}
class _FriendListState extends State<FriendList> {
List<Friend> friends = [];
List<Friend> friendRequests = [];
List<Friend> friendsDuplicate = [];
List<Friend> friendRequestsDuplicate = [];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: const CustomTitleBar(
title: Text(
'Friends',
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.bold
)
),
showBack: false,
backgroundColor: Colors.transparent,
),
body: Padding(
padding: const EdgeInsets.only(top: 16,left: 16,right: 16),
child: SingleChildScrollView(
child: Column(
children: <Widget>[
TextField(
decoration: const InputDecoration(
hintText: 'Search...',
prefixIcon: Icon(
Icons.search,
size: 20
),
),
onChanged: (value) => filterSearchResults(value.toLowerCase())
),
headingOrNull('Friend Requests'),
friendRequestList(),
headingOrNull('Friends'),
friendList(),
],
),
),
),
floatingActionButton: Padding(
padding: const EdgeInsets.only(right: 10, bottom: 10),
child: ExpandableFab(
icon: const Icon(Icons.add, size: 30),
distance: 90.0,
children: [
ActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const QrReader())
);//.then(onGoBack); // TODO
},
icon: const Icon(Icons.qr_code_2, size: 25),
),
ActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const FriendAddSearch())
);//.then(onGoBack); // TODO
},
icon: const Icon(Icons.search, size: 25),
),
],
)
)
);
}
void filterSearchResults(String query) {
List<Friend> dummySearchList = [];
dummySearchList.addAll(friends);
if(query.isNotEmpty) {
List<Friend> dummyListData = [];
for (Friend item in dummySearchList) {
if(item.username.toLowerCase().contains(query)) {
dummyListData.add(item);
}
}
setState(() {
friends.clear();
friends.addAll(dummyListData);
});
return;
}
setState(() {
friends.clear();
friends.addAll(friends);
});
}
@override
void initState() {
super.initState();
friends.addAll(widget.friends);
friendRequests.addAll(widget.friendRequests);
}
Future<void> initFriends() async {
friends = await getFriends(accepted: true);
friendRequests = await getFriends(accepted: false);
setState(() {});
widget.callback();
}
Widget headingOrNull(String heading) {
if (friends.isEmpty || friendRequests.isEmpty) {
return const SizedBox.shrink();
}
return Padding(
padding: const EdgeInsets.only(top: 16),
child: Align(
alignment: Alignment.centerLeft,
child: Text(
heading,
style: TextStyle(
fontSize: 16,
color: Theme.of(context).colorScheme.tertiary,
),
),
)
);
}
Widget friendRequestList() {
if (friendRequests.isEmpty) {
return const SizedBox.shrink();
}
return ListView.builder(
itemCount: friendRequests.length,
shrinkWrap: true,
padding: const EdgeInsets.only(top: 16),
physics: const NeverScrollableScrollPhysics(),
itemBuilder: (context, i) {
return FriendRequestListItem(
friend: friendRequests[i],
callback: initFriends,
);
},
);
}
Widget friendList() {
if (friends.isEmpty) {
return const Center(
child: Text('No Friends'),
);
}
return ListView.builder(
itemCount: friends.length,
shrinkWrap: true,
padding: const EdgeInsets.only(top: 16),
physics: const NeverScrollableScrollPhysics(),
itemBuilder: (context, i) {
return FriendListItem(
friend: friends[i],
);
},
);
}
}