Files
stream-chat-flutter/example/lib/chat_info_screen.dart
T

479 lines
14 KiB
Dart

import 'package:emojis/emojis.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:jiffy/jiffy.dart';
import 'package:stream_chat_flutter/stream_chat_flutter.dart';
/// Detail screen for a 1:1 chat correspondence
class ChatInfoScreen extends StatefulWidget {
/// User in consideration
final User user;
const ChatInfoScreen({Key key, this.user}) : super(key: key);
@override
_ChatInfoScreenState createState() => _ChatInfoScreenState();
}
class _ChatInfoScreenState extends State<ChatInfoScreen> {
@override
Widget build(BuildContext context) {
final channel = StreamChannel.of(context).channel;
return Scaffold(
backgroundColor: Color(0xFFe6e6e6),
body: ListView(
children: [
_buildUserHeader(),
SizedBox(
height: 8.0,
),
_buildOptionListTiles(),
SizedBox(
height: 8.0,
),
if ([
'admin',
'owner',
].contains(channel.state.members
.firstWhere((m) => m.userId == channel.client.state.user.id,
orElse: () => null)
?.role))
_buildDeleteListTile(),
],
),
);
}
Widget _buildUserHeader() {
return Material(
color: Colors.white,
child: SafeArea(
child: Stack(
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
Padding(
padding: const EdgeInsets.all(16.0),
child: UserAvatar(
user: widget.user,
constraints: BoxConstraints(
maxWidth: 72.0,
maxHeight: 72.0,
),
borderRadius: BorderRadius.circular(36.0),
showOnlineStatus: false,
),
),
//SizedBox(height: 4.0),
Text(
widget.user.name,
style: TextStyle(fontSize: 16.0, fontWeight: FontWeight.bold),
),
SizedBox(height: 7.0),
_buildConnectedTitleState(),
SizedBox(height: 15.0),
OptionListTile(
title: '@${widget.user.id}',
trailing: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8.0),
child: Text(
widget.user.name,
style: TextStyle(
color: Colors.black.withOpacity(0.5), fontSize: 16.0),
),
),
onTap: () {},
),
],
),
Positioned(
top: 21,
left: 16,
child: InkWell(
child: StreamSvgIcon.left(),
onTap: () {
Navigator.of(context).pop();
},
),
),
],
),
),
);
}
Widget _buildOptionListTiles() {
var channel = StreamChannel.of(context);
return Column(
children: [
// _OptionListTile(
// title: 'Notifications',
// leading: StreamSvgIcon.Icon_notification(
// size: 24.0,
// color: Colors.black.withOpacity(0.5),
// ),
// trailing: CupertinoSwitch(
// value: true,
// onChanged: (val) {},
// ),
// onTap: () {},
// ),
StreamBuilder<bool>(
stream: StreamChannel.of(context).channel.isMutedStream,
builder: (context, snapshot) {
return OptionListTile(
title: 'Mute user',
leading: StreamSvgIcon.mute(
size: 23.0,
color: Colors.black.withOpacity(0.5),
),
trailing: snapshot.data == null
? CircularProgressIndicator()
: CupertinoSwitch(
value: snapshot.data,
onChanged: (val) {
if (snapshot.data) {
channel.channel.unmute();
} else {
channel.channel.mute();
}
},
),
onTap: () {},
);
}),
// _OptionListTile(
// title: 'Block User',
// leading: StreamSvgIcon.Icon_user_delete(
// size: 24.0,
// color: Colors.black.withOpacity(0.5),
// ),
// trailing: CupertinoSwitch(
// value: widget.user.banned,
// onChanged: (val) {
// if (widget.user.banned) {
// channel.channel.shadowBan(widget.user.id, {});
// } else {
// channel.channel.unbanUser(widget.user.id);
// }
// },
// ),
// onTap: () {},
// ),
OptionListTile(
title: 'Photos & Videos',
leading: StreamSvgIcon.pictures(
size: 32.0,
color: Colors.black.withOpacity(0.5),
),
trailing: StreamSvgIcon.right(),
onTap: () {
final channel = StreamChannel.of(context).channel;
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => StreamChannel(
channel: channel,
child: MessageSearchBloc(
child: ChannelMediaDisplayScreen(
sortOptions: [
SortOption(
'created_at',
direction: SortOption.ASC,
),
],
paginationParams: PaginationParams(limit: 20),
),
),
),
),
);
},
),
OptionListTile(
title: 'Files',
leading: StreamSvgIcon.files(
size: 32.0,
color: Colors.black.withOpacity(0.5),
),
trailing: StreamSvgIcon.right(),
onTap: () {
final channel = StreamChannel.of(context).channel;
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => StreamChannel(
channel: channel,
child: MessageSearchBloc(
child: ChannelFileDisplayScreen(
sortOptions: [
SortOption(
'created_at',
direction: SortOption.ASC,
),
],
paginationParams: PaginationParams(limit: 20),
),
),
),
),
);
},
),
OptionListTile(
title: 'Shared groups',
leading: StreamSvgIcon.Icon_group(
size: 24.0,
color: Colors.black.withOpacity(0.5),
),
trailing: StreamSvgIcon.right(),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => _SharedGroupsScreen(
StreamChat.of(context).user, widget.user)));
},
),
],
);
}
Widget _buildDeleteListTile() {
return OptionListTile(
title: 'Delete',
leading: StreamSvgIcon.delete(
color: Colors.red,
size: 24.0,
),
onTap: () {
_showDeleteDialog();
},
titleColor: Colors.red,
);
}
void _showDeleteDialog() async {
final res = await showConfirmationDialog(
context,
title: 'Delete Conversation',
okText: 'DELETE',
question: 'Are you sure you want to delete this conversation?',
cancelText: 'CANCEL',
icon: StreamSvgIcon.delete(
color: Colors.red,
),
);
var channel = StreamChannel.of(context).channel;
if (res == true) {
await channel.delete().then((value) {
Navigator.pop(context);
});
}
}
Widget _buildConnectedTitleState() {
var alternativeWidget;
final otherMember = widget.user;
if (otherMember != null) {
if (otherMember.online) {
alternativeWidget = Text(
'Online',
style: TextStyle(color: Colors.black.withOpacity(0.5)),
);
} else {
alternativeWidget = Text(
'Last seen ${Jiffy(otherMember.lastActive).fromNow()}',
style: TextStyle(color: Colors.black.withOpacity(0.5)),
);
}
}
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (widget.user.online)
Material(
type: MaterialType.circle,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 8.0),
constraints: BoxConstraints.tightFor(
width: 28,
height: 12,
),
child: Material(
shape: CircleBorder(),
color: Color(0xff20E070),
),
),
color: Colors.white,
),
alternativeWidget,
],
);
}
}
class _SharedGroupsScreen extends StatefulWidget {
final User mainUser;
final User otherUser;
_SharedGroupsScreen(this.mainUser, this.otherUser);
@override
__SharedGroupsScreenState createState() => __SharedGroupsScreenState();
}
class __SharedGroupsScreenState extends State<_SharedGroupsScreen> {
@override
Widget build(BuildContext context) {
var chat = StreamChat.of(context);
return Scaffold(
backgroundColor: Colors.white,
appBar: AppBar(
brightness: Theme.of(context).brightness,
elevation: 1,
centerTitle: true,
title: Text(
'Shared Groups',
style: TextStyle(color: Colors.black, fontSize: 16.0),
),
leading: Center(
child: InkWell(
onTap: () {
Navigator.of(context).pop();
},
child: Container(
child: StreamSvgIcon.left(
color: Colors.black,
size: 24.0,
),
width: 24.0,
height: 24.0,
),
),
),
backgroundColor: StreamChatTheme.of(context).primaryColor,
),
body: FutureBuilder<List<Channel>>(
future: chat.client.queryChannels(
filter: {
r'$and': [
{
'members': {
r'$in': [widget.otherUser.id],
},
},
{
'members': {
r'$in': [widget.mainUser.id],
},
}
],
},
),
builder: (context, snapshot) {
if (snapshot.data == null) {
return Center(
child: CircularProgressIndicator(),
);
}
return ListView.builder(
itemCount: snapshot.data.length,
itemBuilder: (context, position) {
return StreamChannel(
channel: snapshot.data[position],
child: _buildListTile(snapshot.data[position]),
);
},
);
},
),
);
}
Widget _buildListTile(Channel channel) {
var extraData = channel.extraData;
var members = channel.state.members;
var textStyle = TextStyle(fontSize: 14.0, fontWeight: FontWeight.bold);
return Container(
height: 64.0,
child: LayoutBuilder(builder: (context, constraints) {
String title;
if (extraData['name'] == null) {
final otherMembers = members.where(
(member) => member.userId != StreamChat.of(context).user.id);
if (otherMembers.isNotEmpty) {
final maxWidth = constraints.maxWidth;
final maxChars = maxWidth / textStyle.fontSize;
var currentChars = 0;
final currentMembers = <Member>[];
otherMembers.forEach((element) {
final newLength = currentChars + element.user.name.length;
if (newLength < maxChars) {
currentChars = newLength;
currentMembers.add(element);
}
});
final exceedingMembers =
otherMembers.length - currentMembers.length;
title =
'${currentMembers.map((e) => e.user.name).join(', ')} ${exceedingMembers > 0 ? '+ $exceedingMembers' : ''}';
} else {
title = 'No title';
}
} else {
title = extraData['name'];
}
return Column(
children: [
Expanded(
child: Row(
children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: ChannelImage(
channel: channel,
constraints:
BoxConstraints(maxWidth: 40.0, maxHeight: 40.0),
),
),
Expanded(
child: Text(
title,
style: textStyle,
)),
Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
'${channel.memberCount} members',
style: TextStyle(color: Colors.black.withOpacity(0.5)),
),
)
],
),
),
Container(
height: 1.0,
color: Color(0xffe6e6e6),
),
],
);
}),
);
}
}