955 lines
28 KiB
Dart
955 lines
28 KiB
Dart
import 'dart:io';
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import 'package:example/choose_user_page.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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import 'chips_input_text_field.dart';
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import 'notifications_service.dart';
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import 'neumorphic_button.dart';
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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final secureStorage = FlutterSecureStorage();
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final apiKey = await secureStorage.read(key: kStreamApiKey);
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final userId = await secureStorage.read(key: kStreamUserId);
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final client = Client(
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apiKey ?? kDefaultStreamApiKey,
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logLevel: Level.INFO,
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showLocalNotification:
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(!kIsWeb && Platform.isAndroid) ? showLocalNotification : null,
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persistenceEnabled: true,
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);
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if (userId != null) {
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final token = await secureStorage.read(key: kStreamToken);
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await client.setUser(
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User(id: userId),
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token,
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);
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}
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runApp(MyApp(client));
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}
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class MyApp extends StatelessWidget {
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final Client client;
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MyApp(this.client);
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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theme: ThemeData.light(),
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darkTheme: ThemeData.dark(),
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//TODO change to system once dark theme is implemented
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themeMode: ThemeMode.light,
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builder: (context, widget) {
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return StreamChat(
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child: widget,
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client: client,
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);
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},
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home: client.state.user == null ? ChooseUserPage() : ChannelListPage(),
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);
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}
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}
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class ChannelListPage extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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final user = StreamChat.of(context).user;
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.white,
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title: Text(
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'Stream Chat',
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style: TextStyle(color: Colors.black),
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),
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),
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drawer: Drawer(
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child: SafeArea(
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child: Padding(
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padding: EdgeInsets.only(
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top: MediaQuery.of(context).viewPadding.top + 8,
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),
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.only(
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bottom: 20.0,
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left: 8,
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),
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child: Row(
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children: [
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UserAvatar(
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user: user,
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showOnlineStatus: false,
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constraints: BoxConstraints.tight(Size.fromRadius(20)),
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),
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Padding(
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padding: const EdgeInsets.only(left: 16.0),
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child: Text(
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user.name,
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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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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ListTile(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => NewChatScreen()),
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);
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},
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leading: Icon(StreamIcons.edit),
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title: Text(
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'New direct message',
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style: TextStyle(
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fontSize: 14.5,
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),
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),
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),
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ListTile(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => NewGroupChatScreen()),
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);
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},
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leading: Icon(StreamIcons.group),
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title: Text(
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'New group',
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style: TextStyle(
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fontSize: 14.5,
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),
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),
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),
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Expanded(
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child: Container(
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alignment: Alignment.bottomCenter,
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child: ListTile(
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onTap: () async {
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await StreamChat.of(context).client.disconnect();
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final secureStorage = FlutterSecureStorage();
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await secureStorage.deleteAll();
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Navigator.pop(context);
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await Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => ChooseUserPage(),
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),
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);
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},
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leading: Icon(StreamIcons.user),
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title: Text(
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'Sign out',
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style: TextStyle(
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fontSize: 14.5,
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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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),
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),
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),
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),
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floatingActionButton: FloatingActionButton(
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child: Icon(Icons.add),
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onPressed: () {
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Navigator.of(context).push(MaterialPageRoute(builder: (context) {
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return CreateChannelPage();
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}));
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},
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),
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body: ChannelsBloc(
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child: ChannelListView(
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swipeToAction: true,
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filter: {
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'members': {
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'\$in': [user.id],
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}
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},
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options: {
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'presence': true,
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},
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sort: [SortOption('last_message_at')],
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pagination: PaginationParams(
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limit: 20,
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),
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channelWidget: ChannelPage(),
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),
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),
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);
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}
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}
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class ChannelPage extends StatelessWidget {
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const ChannelPage({
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Key key,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: ChannelHeader(),
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body: Column(
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children: <Widget>[
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Expanded(
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child: Stack(
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children: <Widget>[
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MessageListView(
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threadBuilder: (_, parentMessage) {
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return ThreadPage(
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parent: parentMessage,
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);
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},
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),
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Positioned.fill(
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child: Padding(
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padding: const EdgeInsets.symmetric(
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horizontal: 8.0,
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vertical: 4,
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),
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child: TypingIndicator(
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alignment: Alignment.bottomRight,
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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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MessageInput(),
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],
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),
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);
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}
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}
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class ThreadPage extends StatelessWidget {
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final Message parent;
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ThreadPage({
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Key key,
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this.parent,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: ThreadHeader(
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parent: parent,
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),
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body: Column(
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children: <Widget>[
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Expanded(
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child: MessageListView(
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parentMessage: parent,
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),
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),
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if (parent.type != 'deleted')
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MessageInput(
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parentMessage: parent,
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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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class CreateChannelPage extends StatefulWidget {
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@override
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_CreateChannelPageState createState() => _CreateChannelPageState();
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}
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class _CreateChannelPageState extends State<CreateChannelPage> {
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final selectedUsers = <User>{};
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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elevation: 0,
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backgroundColor: Colors.transparent,
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title: Text(
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'Create a channel',
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style: Theme.of(context).textTheme.headline6,
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),
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),
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floatingActionButton:
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selectedUsers.isNotEmpty ? _buildFAB(context) : null,
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body: _buildListView(),
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);
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}
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Widget _buildListView() {
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return UsersBloc(
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child: UserListView(
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pagination: PaginationParams(
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limit: 25,
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),
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sort: [
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SortOption(
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'name',
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direction: SortOption.ASC,
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),
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],
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onUserLongPress: (user) {
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_selectUser(user);
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},
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selectedUsers: selectedUsers,
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onUserTap: (user, _) {
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if (selectedUsers.isNotEmpty) {
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return _selectUser(user);
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}
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_createChannel(context, [user]);
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},
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),
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);
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}
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Widget _buildFAB(BuildContext context) {
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return FloatingActionButton(
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child: Icon(Icons.done),
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onPressed: () async {
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String name;
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if (selectedUsers.length > 1) {
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name = await _showEnterNameDialog(context);
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if (name?.isNotEmpty != true) {
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return;
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}
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}
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_createChannel(context, selectedUsers.toList(), name);
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},
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);
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}
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Future<String> _showEnterNameDialog(BuildContext context) {
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final controller = TextEditingController();
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return showDialog(
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context: context,
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builder: (context) => SimpleDialog(
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contentPadding: const EdgeInsets.all(16),
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title: Text('Enter a name for the channel'),
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children: [
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TextField(
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controller: controller,
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decoration: InputDecoration(
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border: OutlineInputBorder(),
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),
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),
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ButtonBar(
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children: [
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FlatButton(
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onPressed: () => Navigator.pop(context),
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child: Text('Cancel'),
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),
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FlatButton(
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onPressed: () => Navigator.pop(context, controller.text),
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child: Text('Ok'),
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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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}
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Future _createChannel(
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BuildContext context,
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List<User> users, [
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String name,
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]) async {
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final client = StreamChat.of(context).client;
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final channel = client.channel('messaging', extraData: {
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'members': [
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client.state.user.id,
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...users.map((e) => e.id),
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],
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if (name != null) 'name': name,
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});
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await channel.watch();
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) {
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return StreamChannel(
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child: ChannelPage(),
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channel: channel,
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);
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},
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),
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);
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}
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void _selectUser(User user) {
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if (!selectedUsers.contains(user)) {
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setState(() {
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selectedUsers.add(user);
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});
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} else {
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setState(() {
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selectedUsers.remove(user);
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});
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}
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}
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}
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class NewChatScreen extends StatefulWidget {
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@override
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_NewChatScreenState createState() => _NewChatScreenState();
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}
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class _NewChatScreenState extends State<NewChatScreen> {
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final _chipInputTextFieldStateKey =
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GlobalKey<ChipInputTextFieldState<User>>();
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TextEditingController _controller;
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ChipInputTextFieldState get _chipInputTextFieldState =>
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_chipInputTextFieldStateKey.currentState;
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String _userNameQuery = '';
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final _selectedUsers = <User>{};
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bool _isSearchActive = false;
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Channel channel;
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@override
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void initState() {
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super.initState();
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channel = StreamChat.of(context).client.channel('messaging');
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_controller = TextEditingController()
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..addListener(() {
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setState(() {
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_userNameQuery = _controller.text;
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_isSearchActive = _userNameQuery.isNotEmpty;
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});
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});
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}
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@override
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void dispose() {
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_controller?.clear();
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_controller?.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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elevation: 0,
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backgroundColor: Colors.white,
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title: Text(
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'New Chat',
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style: TextStyle(color: Colors.black),
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),
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),
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body: StreamChannel(
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showLoading: false,
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channel: channel,
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child: UsersBloc(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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ChipsInputTextField<User>(
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key: _chipInputTextFieldStateKey,
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controller: _controller,
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focusNode: FocusNode(),
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chipBuilder: (context, user) {
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return InputChip(
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key: ObjectKey(user),
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label: Text(
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user.name,
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style: TextStyle(color: Colors.black),
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),
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avatar: UserAvatar(
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user: user,
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),
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onDeleted: () => _chipInputTextFieldState.removeItem(user),
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materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
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);
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},
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onChipAdded: (user) {
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setState(() => _selectedUsers.add(user));
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},
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onChipRemoved: (user) {
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setState(() => _selectedUsers.remove(user));
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},
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),
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if (!_isSearchActive)
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Container(
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color: Colors.white54,
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child: InkWell(
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onTap: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => NewGroupChatScreen()),
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);
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},
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child: Row(
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children: [
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NeumorphicButton(
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child: Icon(
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StreamIcons.group,
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color: Colors.blue.shade700,
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),
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),
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SizedBox(width: 8),
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Text(
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'Create a Group',
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style: TextStyle(
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fontWeight: FontWeight.w500,
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fontSize: 18,
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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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Container(
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width: double.maxFinite,
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color: Colors.grey.shade50,
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child: Padding(
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padding: const EdgeInsets.symmetric(
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vertical: 8,
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horizontal: 8,
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),
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child: Text(
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_isSearchActive
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? "Matches for \"$_userNameQuery\""
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: 'On the platform',
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style: TextStyle(
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fontWeight: FontWeight.w500,
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),
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),
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),
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),
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Expanded(
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child: UserListView(
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filterByUserName: _userNameQuery,
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selectedUsers: _selectedUsers,
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groupAlphabetically: _isSearchActive ? false : true,
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onUserTap: (user, _) {
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if (!_selectedUsers.contains(user)) {
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_controller.clear();
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_chipInputTextFieldState
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..addItem(user)
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..pauseItemAddition();
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}
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},
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pagination: PaginationParams(
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limit: 25,
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),
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),
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),
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MessageInput(
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preMessageSending: (message) async {
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channel.extraData = {
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'members': [
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..._selectedUsers.map((e) => e.id),
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channel.client.state.user.id,
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],
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};
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await channel.watch();
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return message;
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},
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onMessageSent: (_) {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) {
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return StreamChannel(
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child: ChannelPage(),
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channel: channel,
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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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],
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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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class NewGroupChatScreen extends StatefulWidget {
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@override
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_NewGroupChatScreenState createState() => _NewGroupChatScreenState();
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}
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class _NewGroupChatScreenState extends State<NewGroupChatScreen> {
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TextEditingController _controller;
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String _userNameQuery = '';
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final _selectedUsers = <User>{};
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bool _isSearchActive = false;
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@override
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void initState() {
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super.initState();
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_controller = TextEditingController()
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..addListener(() {
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setState(() {
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_userNameQuery = _controller.text;
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_isSearchActive = _userNameQuery.isNotEmpty;
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});
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});
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}
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@override
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void dispose() {
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_controller?.clear();
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_controller?.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
|
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return Scaffold(
|
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appBar: AppBar(
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elevation: 2,
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backgroundColor: Colors.white,
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title: Text(
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'Add Group Members',
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style: TextStyle(color: Colors.black),
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),
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actions: [
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if (_selectedUsers.isNotEmpty)
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IconButton(
|
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icon: Icon(
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StreamIcons.arrow_right,
|
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color: Colors.blue.shade700,
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),
|
|
onPressed: () {
|
|
Navigator.push(
|
|
context,
|
|
MaterialPageRoute(
|
|
builder: (_) => GroupChatDetailsScreen(
|
|
selectedUsers: _selectedUsers.toList(growable: false),
|
|
),
|
|
),
|
|
);
|
|
},
|
|
)
|
|
],
|
|
),
|
|
body: UsersBloc(
|
|
child: Column(
|
|
children: [
|
|
Container(
|
|
decoration: BoxDecoration(
|
|
border: Border.all(
|
|
color: Colors.grey.shade300,
|
|
),
|
|
borderRadius: BorderRadius.circular(24),
|
|
),
|
|
margin: const EdgeInsets.symmetric(
|
|
vertical: 8,
|
|
horizontal: 8,
|
|
),
|
|
child: TextField(
|
|
onTap: () {},
|
|
controller: _controller,
|
|
decoration: InputDecoration(
|
|
prefixIcon: Icon(StreamIcons.search),
|
|
hintText: 'Search',
|
|
contentPadding: const EdgeInsets.all(8),
|
|
border: OutlineInputBorder(
|
|
borderSide: BorderSide.none,
|
|
borderRadius: BorderRadius.circular(24),
|
|
),
|
|
),
|
|
),
|
|
),
|
|
if (_selectedUsers.isNotEmpty)
|
|
Container(
|
|
height: 120,
|
|
child: ListView.separated(
|
|
scrollDirection: Axis.horizontal,
|
|
itemCount: _selectedUsers.length,
|
|
padding: const EdgeInsets.all(8),
|
|
separatorBuilder: (_, __) => SizedBox(width: 16),
|
|
itemBuilder: (_, index) {
|
|
final user = _selectedUsers.elementAt(index);
|
|
return Column(
|
|
children: [
|
|
Stack(
|
|
children: [
|
|
UserAvatar(
|
|
user: user,
|
|
showOnlineStatus: true,
|
|
borderRadius: BorderRadius.circular(40),
|
|
constraints: BoxConstraints.tightFor(
|
|
height: 80,
|
|
width: 80,
|
|
),
|
|
),
|
|
Positioned(
|
|
top: 0,
|
|
right: 0,
|
|
child: InkWell(
|
|
onTap: () {
|
|
if (_selectedUsers.contains(user)) {
|
|
setState(() => _selectedUsers.remove(user));
|
|
}
|
|
},
|
|
child: Container(
|
|
decoration: BoxDecoration(
|
|
color: Colors.white,
|
|
shape: BoxShape.circle,
|
|
border:
|
|
Border.all(color: Colors.grey.shade100),
|
|
),
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(4.0),
|
|
child: Icon(
|
|
Icons.clear_rounded,
|
|
size: 16,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
)
|
|
],
|
|
),
|
|
SizedBox(height: 4),
|
|
Text(
|
|
user.name.split(' ')[0],
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.w500,
|
|
fontSize: 16,
|
|
),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
),
|
|
),
|
|
Container(
|
|
width: double.maxFinite,
|
|
color: Colors.grey.shade50,
|
|
child: Padding(
|
|
padding: const EdgeInsets.symmetric(
|
|
vertical: 8,
|
|
horizontal: 8,
|
|
),
|
|
child: Text(
|
|
_isSearchActive
|
|
? 'Matches for \"$_userNameQuery\"'
|
|
: 'On the platform',
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
Expanded(
|
|
child: UserListView(
|
|
filterByUserName: _userNameQuery,
|
|
selectedUsers: _selectedUsers,
|
|
groupAlphabetically: _isSearchActive ? false : true,
|
|
onUserTap: (user, _) {
|
|
if (!_selectedUsers.contains(user)) {
|
|
setState(() {
|
|
_selectedUsers.add(user);
|
|
});
|
|
}
|
|
},
|
|
pagination: PaginationParams(
|
|
limit: 25,
|
|
),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class GroupChatDetailsScreen extends StatefulWidget {
|
|
final List<User> selectedUsers;
|
|
|
|
const GroupChatDetailsScreen({
|
|
Key key,
|
|
@required this.selectedUsers,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
_GroupChatDetailsScreenState createState() => _GroupChatDetailsScreenState();
|
|
}
|
|
|
|
class _GroupChatDetailsScreenState extends State<GroupChatDetailsScreen> {
|
|
final _selectedUsers = <User>[];
|
|
|
|
TextEditingController _groupNameController;
|
|
|
|
Channel _channel;
|
|
|
|
bool _isGroupNameEmpty = true;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_channel = StreamChat.of(context).client.channel('messaging');
|
|
_selectedUsers.addAll(widget.selectedUsers);
|
|
_groupNameController = TextEditingController()
|
|
..addListener(() {
|
|
final name = _groupNameController.text;
|
|
setState(() {
|
|
_isGroupNameEmpty = name.isEmpty;
|
|
});
|
|
});
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Scaffold(
|
|
appBar: AppBar(
|
|
elevation: 2,
|
|
backgroundColor: Colors.white,
|
|
title: Text(
|
|
'Name of Group Chat',
|
|
style: TextStyle(color: Colors.black),
|
|
),
|
|
bottom: PreferredSize(
|
|
preferredSize: Size.fromHeight(kToolbarHeight),
|
|
child: Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 16),
|
|
child: Row(
|
|
children: [
|
|
Text(
|
|
'NAME',
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.w500,
|
|
fontSize: 16,
|
|
),
|
|
),
|
|
SizedBox(width: 16),
|
|
Expanded(
|
|
child: TextField(
|
|
controller: _groupNameController,
|
|
style: TextStyle(fontSize: 18),
|
|
decoration: InputDecoration(
|
|
isDense: true,
|
|
border: InputBorder.none,
|
|
focusedBorder: InputBorder.none,
|
|
enabledBorder: InputBorder.none,
|
|
errorBorder: InputBorder.none,
|
|
disabledBorder: InputBorder.none,
|
|
contentPadding: const EdgeInsets.symmetric(
|
|
vertical: 8,
|
|
),
|
|
hintText: 'Choose a group chat name',
|
|
hintStyle: TextStyle(fontSize: 18)),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
actions: [
|
|
NeumorphicButton(
|
|
padding: const EdgeInsets.all(8),
|
|
margin: const EdgeInsets.symmetric(vertical: 8),
|
|
child: IconButton(
|
|
padding: const EdgeInsets.all(0),
|
|
icon: Icon(StreamIcons.check),
|
|
color: Colors.blue.shade700,
|
|
onPressed: _isGroupNameEmpty
|
|
? null
|
|
: () async {
|
|
final groupName = _groupNameController.text;
|
|
final client = _channel.client;
|
|
_channel.extraData = {
|
|
'members': [
|
|
client.state.user.id,
|
|
..._selectedUsers.map((e) => e.id),
|
|
],
|
|
'name': groupName,
|
|
};
|
|
await _channel.watch();
|
|
Navigator.of(context)
|
|
..pop()
|
|
..pushReplacement(
|
|
MaterialPageRoute(
|
|
builder: (context) {
|
|
return StreamChannel(
|
|
child: ChannelPage(),
|
|
channel: _channel,
|
|
);
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
body: Column(
|
|
children: [
|
|
Container(
|
|
width: double.maxFinite,
|
|
color: Colors.grey.shade50,
|
|
child: Padding(
|
|
padding: const EdgeInsets.symmetric(
|
|
vertical: 8,
|
|
horizontal: 8,
|
|
),
|
|
child: Text(
|
|
'5 Members',
|
|
style: TextStyle(
|
|
fontWeight: FontWeight.w500,
|
|
),
|
|
),
|
|
),
|
|
),
|
|
Expanded(
|
|
child: ListView.separated(
|
|
itemCount: _selectedUsers.length,
|
|
separatorBuilder: (_, __) => Container(
|
|
height: 1,
|
|
color: Theme.of(context).brightness == Brightness.dark
|
|
? Colors.white.withOpacity(0.1)
|
|
: Colors.black.withOpacity(0.1),
|
|
),
|
|
itemBuilder: (_, index) {
|
|
final user = _selectedUsers[index];
|
|
return UserItem(
|
|
key: ObjectKey(user),
|
|
user: user,
|
|
selected: true,
|
|
showLastSeen: false,
|
|
);
|
|
},
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|