fluffychat/lib/views/home_view_parts/contact_list.dart
2021-02-05 16:35:15 +01:00

108 lines
3.5 KiB
Dart

import 'dart:async';
import 'package:adaptive_page_layout/adaptive_page_layout.dart';
import 'package:fluffychat/components/avatar.dart';
import 'package:fluffychat/components/default_app_bar_search_field.dart';
import 'package:fluffychat/components/list_items/contact_list_tile.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/material.dart';
import '../../utils/client_presence_extension.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
class ContactList extends StatefulWidget {
final Stream onAppBarButtonTap;
const ContactList({Key key, this.onAppBarButtonTap}) : super(key: key);
@override
_ContactListState createState() => _ContactListState();
}
class _ContactListState extends State<ContactList> {
String _searchQuery = '';
final ScrollController _scrollController = ScrollController();
StreamSubscription _onAppBarButtonTapSub;
final GlobalKey<DefaultAppBarSearchFieldState> _searchField = GlobalKey();
@override
void initState() {
_onAppBarButtonTapSub =
widget.onAppBarButtonTap.where((i) => i == 0).listen((_) async {
await _scrollController.animateTo(
_scrollController.position.minScrollExtent,
duration: Duration(milliseconds: 200),
curve: Curves.ease,
);
WidgetsBinding.instance.addPostFrameCallback(
(_) => _searchField.currentState.requestFocus(),
);
});
super.initState();
}
@override
void dispose() {
_onAppBarButtonTapSub?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
return ListView(
controller: _scrollController,
children: [
Padding(
padding: EdgeInsets.all(12),
child: DefaultAppBarSearchField(
key: _searchField,
hintText: L10n.of(context).search,
prefixIcon: Icon(Icons.search_outlined),
onChanged: (t) => setState(() => _searchQuery = t),
padding: EdgeInsets.zero,
),
),
ListTile(
leading: CircleAvatar(
backgroundColor: Theme.of(context).primaryColor,
foregroundColor: Colors.white,
child: Icon(Icons.add_outlined),
radius: Avatar.defaultSize / 2,
),
title: Text(L10n.of(context).addNewContact),
onTap: () =>
AdaptivePageLayout.of(context).pushNamed('/newprivatechat'),
),
Divider(height: 1),
StreamBuilder<Object>(
stream: Matrix.of(context).client.onSync.stream,
builder: (context, snapshot) {
final contactList = Matrix.of(context)
.client
.contactList
.where((p) => p.senderId
.toLowerCase()
.contains(_searchQuery.toLowerCase()))
.toList();
if (contactList.isEmpty) {
return Container(
padding: EdgeInsets.all(16),
alignment: Alignment.center,
child: Text(
'No contacts found...',
textAlign: TextAlign.center,
),
);
}
return ListView.builder(
physics: NeverScrollableScrollPhysics(),
shrinkWrap: true,
padding: EdgeInsets.only(bottom: 24),
itemCount: contactList.length,
itemBuilder: (context, i) =>
ContactListTile(contact: contactList[i]),
);
}),
],
);
}
}