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Merge pull request #36 from Iconica-Development/feature/improve_user_story

Browse source 
feat: improve user story
This commit is contained in:
mike doornenbal 2023-12-20 14:05:49 +01:00 committed by GitHub
commit 4fd823511f
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 590 additions and 296 deletions
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3
packages/flutter_community_chat/lib/flutter_community_chat.dart
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@ -6,3 +6,6 @@ library flutter_community_chat;
export 'package:flutter_community_chat_view/flutter_community_chat_view.dart';
export 'package:flutter_community_chat_interface/flutter_community_chat_interface.dart';
export 'package:flutter_community_chat/src/routes.dart';
export 'package:flutter_community_chat/src/models/community_chat_configuration.dart';
export 'package:flutter_community_chat/src/flutter_community_chat_userstory.dart';

130
packages/flutter_community_chat/lib/src/flutter_community_chat_userstory.dart Normal file
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@ -0,0 +1,130 @@
// SPDX-FileCopyrightText: 2023 Iconica
//
// SPDX-License-Identifier: BSD-3-Clause
import 'package:flutter/material.dart';
import 'package:flutter_community_chat/src/models/community_chat_configuration.dart';
import 'package:flutter_community_chat/src/go_router.dart';
import 'package:flutter_community_chat/src/routes.dart';
import 'package:flutter_community_chat_view/flutter_community_chat_view.dart';
import 'package:go_router/go_router.dart';
List<GoRoute> getCommunityChatStoryRoutes(
CommunityChatUserStoryConfiguration configuration,
) =>
<GoRoute>[
GoRoute(
path: CommunityChatUserStoryRoutes.chatScreen,
pageBuilder: (context, state) {
var chatScreen = ChatScreen(
service: configuration.service,
options: configuration.chatOptionsBuilder(context),
onNoChats: () =>
context.push(CommunityChatUserStoryRoutes.newChatScreen),
onPressStartChat: () =>
configuration.onPressStartChat?.call() ??
context.push(CommunityChatUserStoryRoutes.newChatScreen),
onPressChat: (chat) =>
configuration.onPressChat?.call(context, chat) ??
context.push(
CommunityChatUserStoryRoutes.chatDetailViewPath(chat.id!)),
onDeleteChat: (chat) =>
configuration.onDeleteChat?.call(context, chat),
deleteChatDialog: configuration.deleteChatDialog,
translations: configuration.translations,
);
return buildScreenWithoutTransition(
context: context,
state: state,
child: configuration.chatPageBuilder?.call(
context,
chatScreen,
) ??
Scaffold(
body: chatScreen,
),
);
},
),
GoRoute(
path: CommunityChatUserStoryRoutes.chatDetailScreen,
pageBuilder: (context, state) {
var chatId = state.pathParameters['id'];
var chat = PersonalChatModel(user: ChatUserModel(), id: chatId);
var chatDetailScreen = ChatDetailScreen(
options: configuration.chatOptionsBuilder(context),
translations: configuration.translations,
chatUserService: configuration.userService,
service: configuration.service,
messageService: configuration.messageService,
chat: chat,
onMessageSubmit: (message) async {
configuration.onMessageSubmit?.call(message) ??
configuration.messageService
.sendTextMessage(chat: chat, text: message);
configuration.afterMessageSent?.call(chat);
},
onUploadImage: (image) async {
configuration.onUploadImage?.call(image) ??
configuration.messageService
.sendImageMessage(chat: chat, image: image);
configuration.afterMessageSent?.call(chat);
},
onReadChat: (chat) =>
configuration.onReadChat?.call(chat) ??
configuration.service.readChat(chat),
onPressChatTitle: (context, chat) =>
configuration.onPressChatTitle?.call(context, chat),
iconColor: configuration.iconColor,
);
return buildScreenWithoutTransition(
context: context,
state: state,
child: configuration.chatPageBuilder?.call(
context,
chatDetailScreen,
) ??
Scaffold(
body: chatDetailScreen,
),
);
},
),
GoRoute(
path: CommunityChatUserStoryRoutes.newChatScreen,
pageBuilder: (context, state) {
var newChatScreen = NewChatScreen(
options: configuration.chatOptionsBuilder(context),
translations: configuration.translations,
service: configuration.service,
userService: configuration.userService,
onPressCreateChat: (user) async {
configuration.onPressCreateChat?.call(user);
if (configuration.onPressChat != null) return;
var chat = await configuration.service.getChatByUser(user);
if (chat.id == null) {
chat = await configuration.service.storeChatIfNot(
PersonalChatModel(
user: user,
),
);
}
if (context.mounted) {
context.push(CommunityChatUserStoryRoutes.chatDetailViewPath(
chat.id ?? ''));
}
});
return buildScreenWithoutTransition(
context: context,
state: state,
child: configuration.chatPageBuilder?.call(
context,
newChatScreen,
) ??
Scaffold(
body: newChatScreen,
),
);
},
),
];

30
packages/flutter_community_chat/lib/src/go_router.dart Normal file
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@ -0,0 +1,30 @@
// SPDX-FileCopyrightText: 2023 Iconica
//
// SPDX-License-Identifier: BSD-3-Clause
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
CustomTransitionPage buildScreenWithFadeTransition<T>({
required BuildContext context,
required GoRouterState state,
required Widget child,
}) =>
CustomTransitionPage<T>(
key: state.pageKey,
child: child,
transitionsBuilder: (context, animation, secondaryAnimation, child) =>
FadeTransition(opacity: animation, child: child),
);
CustomTransitionPage buildScreenWithoutTransition<T>({
required BuildContext context,
required GoRouterState state,
required Widget child,
}) =>
CustomTransitionPage<T>(
key: state.pageKey,
child: child,
transitionsBuilder: (context, animation, secondaryAnimation, child) =>
child,
);

57
packages/flutter_community_chat/lib/src/models/community_chat_configuration.dart Normal file
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@ -0,0 +1,57 @@
// SPDX-FileCopyrightText: 2023 Iconica
//
// SPDX-License-Identifier: BSD-3-Clause
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_community_chat_view/flutter_community_chat_view.dart';
@immutable
class CommunityChatUserStoryConfiguration {
const CommunityChatUserStoryConfiguration({
required this.userService,
required this.messageService,
required this.service,
required this.chatOptionsBuilder,
this.onPressStartChat,
this.onPressChat,
this.onDeleteChat,
this.onMessageSubmit,
this.onReadChat,
this.onUploadImage,
this.onPressCreateChat,
this.iconColor,
this.deleteChatDialog,
this.disableDismissForPermanentChats = false,
this.routeToNewChatIfEmpty = true,
this.translations = const ChatTranslations(),
this.chatPageBuilder,
this.onPressChatTitle,
this.afterMessageSent,
});
final ChatService service;
final ChatUserService userService;
final MessageService messageService;
final Function(BuildContext, ChatModel)? onPressChat;
final Function(BuildContext, ChatModel)? onDeleteChat;
final ChatTranslations translations;
final bool disableDismissForPermanentChats;
final Future<void> Function(Uint8List image)? onUploadImage;
final Future<void> Function(String text)? onMessageSubmit;
/// Called after a new message is sent. This can be used to do something extra like sending a push notification.
final Function(ChatModel chat)? afterMessageSent;
final Future<void> Function(ChatModel chat)? onReadChat;
final Function(ChatUserModel)? onPressCreateChat;
final ChatOptions Function(BuildContext context) chatOptionsBuilder;
/// If true, the user will be routed to the new chat screen if there are no chats.
final bool routeToNewChatIfEmpty;
final Future<bool?> Function(BuildContext, ChatModel)? deleteChatDialog;
final Function(BuildContext context, ChatModel chat)? onPressChatTitle;
final Color? iconColor;
final Widget Function(BuildContext context, Widget child)? chatPageBuilder;
final Function()? onPressStartChat;
}

10
packages/flutter_community_chat/lib/src/routes.dart Normal file
View file

@ -0,0 +1,10 @@
// SPDX-FileCopyrightText: 2023 Iconica
//
// SPDX-License-Identifier: BSD-3-Clause
mixin CommunityChatUserStoryRoutes {
static const String chatScreen = '/chat';
static String chatDetailViewPath(String chatId) => '/chat-detail/$chatId';
static const String chatDetailScreen = '/chat-detail/:id';
static const String newChatScreen = '/new-chat';
}

1
packages/flutter_community_chat/pubspec.yaml
View file

@ -15,6 +15,7 @@ environment:
dependencies:
flutter:
sdk: flutter
go_router: ^12.1.1
flutter_community_chat_view:
git:
url: https://github.com/Iconica-Development/flutter_community_chat

3
packages/flutter_community_chat_firebase/lib/service/firebase_chat_service.dart
View file

@ -234,6 +234,7 @@ class FirebaseChatService implements ChatService {
controller = StreamController(
onListen: () async {
var currentUser = await _userService.getCurrentUser();
var userSnapshot = await _db
.collection(_options.usersCollectionName)
.doc(currentUser?.id)
@ -264,7 +265,7 @@ class FirebaseChatService implements ChatService {
}
@override
Future<ChatModel> getOrCreateChatByUser(ChatUserModel user) async {
Future<ChatModel> getChatByUser(ChatUserModel user) async {
var currentUser = await _userService.getCurrentUser();
var collection = await _db
.collection(_options.usersCollectionName)

3
packages/flutter_community_chat_interface/lib/src/service/chat_service.dart
View file

@ -2,8 +2,7 @@ import 'package:flutter_community_chat_interface/flutter_community_chat_interfac
abstract class ChatService {
Stream<List<ChatModel>> getChatsStream();
@Deprecated('Use getChatById instead')
Future<ChatModel> getOrCreateChatByUser(ChatUserModel user);
Future<ChatModel> getChatByUser(ChatUserModel user);
Future<ChatModel> getChatById(String id);
Future<void> deleteChat(ChatModel chat);
Future<void> readChat(ChatModel chat);

64
packages/flutter_community_chat_view/example/lib/main.dart
View file

@ -115,37 +115,37 @@ class _MyStatefulWidgetState extends State<MyStatefulWidget> {
@override
Widget build(BuildContext context) {
var options = const ChatOptions();
return ChatScreen(
chats: chatStream,
options: options,
onPressChat: (chat) => Navigator.of(context).push(
MaterialPageRoute(
builder: (context) => ChatDetailScreen(
userId: 'piet',
chat: chat,
chatMessages: messageStream,
options: options,
onMessageSubmit: (text) async {
return Future.delayed(
const Duration(
milliseconds: 500,
),
() => debugPrint('onMessageSubmit'),
);
},
onReadChat: (chat) async {},
onUploadImage: (image) async {},
),
),
),
onDeleteChat: (chat) => Future.delayed(
const Duration(
milliseconds: 500,
),
() => debugPrint('onDeleteChat'),
),
onPressStartChat: () => debugPrint('onPressStartChat'),
);
// return ChatScreen(
// service: ,
// options: options,
// onPressChat: (chat) => Navigator.of(context).push(
// MaterialPageRoute(
// builder: (context) => ChatDetailScreen(
// userId: 'piet',
// chat: chat,
// chatMessages: messageStream,
// options: options,
// onMessageSubmit: (text) async {
// return Future.delayed(
// const Duration(
// milliseconds: 500,
// ),
// () => debugPrint('onMessageSubmit'),
// );
// },
// onReadChat: (chat) async {},
// onUploadImage: (image) async {},
// ),
// ),
// ),
// onDeleteChat: (chat) => Future.delayed(
// const Duration(
// milliseconds: 500,
// ),
// () => debugPrint('onDeleteChat'),
// ),
// onPressStartChat: () => debugPrint('onPressStartChat'),
// );
return const Text('Example ');
}
}

196
packages/flutter_community_chat_view/lib/src/screens/chat_detail_screen.dart
View file

@ -13,14 +13,15 @@ import 'package:flutter_community_chat_view/src/components/image_loading_snackba
class ChatDetailScreen extends StatefulWidget {
const ChatDetailScreen({
required this.userId,
required this.options,
required this.onMessageSubmit,
required this.onUploadImage,
required this.onReadChat,
required this.service,
required this.chatUserService,
required this.messageService,
this.translations = const ChatTranslations(),
this.chat,
this.chatMessages,
this.onPressChatTitle,
this.iconColor,
this.showTime = false,
@ -30,21 +31,22 @@ class ChatDetailScreen extends StatefulWidget {
final ChatModel? chat;
/// The id of the current user that is viewing the chat.
final String userId;
final ChatOptions options;
final ChatTranslations translations;
final Stream<List<ChatMessageModel>>? chatMessages;
final Future<void> Function(Uint8List image) onUploadImage;
final Future<void> Function(String text) onMessageSubmit;
// called at the start of the screen to set the chat to read
// or when a new message is received
final Future<void> Function(ChatModel chat) onReadChat;
final VoidCallback? onPressChatTitle;
final Function(BuildContext context, ChatModel chat)? onPressChatTitle;
/// The color of the icon buttons in the chat bottom.
final Color? iconColor;
final bool showTime;
final ChatService service;
final ChatUserService chatUserService;
final MessageService messageService;
@override
State<ChatDetailScreen> createState() => _ChatDetailScreenState();
@ -54,17 +56,26 @@ class _ChatDetailScreenState extends State<ChatDetailScreen> {
// stream listener that needs to be disposed later
StreamSubscription<List<ChatMessageModel>>? _chatMessagesSubscription;
Stream<List<ChatMessageModel>>? _chatMessages;
ChatModel? chat;
ChatUserModel? currentUser;
@override
void initState() {
super.initState();
// create a broadcast stream from the chat messages
_chatMessages = widget.chatMessages?.asBroadcastStream();
if (widget.chat != null) {
_chatMessages = widget.messageService
.getMessagesStream(widget.chat!)
.asBroadcastStream();
}
_chatMessagesSubscription = _chatMessages?.listen((event) {
// check if the last message is from the current user
// if so, set the chat to read
Future.delayed(Duration.zero, () async {
currentUser = await widget.chatUserService.getCurrentUser();
});
if (event.isNotEmpty &&
event.last.sender.id != widget.userId &&
event.last.sender.id != currentUser?.id &&
widget.chat != null) {
widget.onReadChat(widget.chat!);
}
@ -106,92 +117,97 @@ class _ChatDetailScreenState extends State<ChatDetailScreen> {
},
);
return Scaffold(
appBar: AppBar(
centerTitle: true,
title: GestureDetector(
onTap: widget.onPressChatTitle,
child: Row(
mainAxisSize: MainAxisSize.min,
children: widget.chat == null
? []
: [
if (widget.chat is GroupChatModel) ...[
widget.options.groupAvatarBuilder(
(widget.chat! as GroupChatModel).title,
(widget.chat! as GroupChatModel).imageUrl,
36.0,
),
] else if (widget.chat is PersonalChatModel) ...[
widget.options.userAvatarBuilder(
(widget.chat! as PersonalChatModel).user,
36.0,
),
] else
...[],
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 15.5),
child: Text(
(widget.chat is GroupChatModel)
? (widget.chat! as GroupChatModel).title
: (widget.chat is PersonalChatModel)
? (widget.chat! as PersonalChatModel)
.user
.fullName ??
widget.translations.anonymousUser
: '',
style: const TextStyle(fontSize: 18),
return FutureBuilder<ChatModel>(
future: widget.service.getChatById(widget.chat?.id ?? ''),
builder: (context, AsyncSnapshot<ChatModel> snapshot) {
var chatModel = snapshot.data;
return Scaffold(
appBar: AppBar(
centerTitle: true,
title: GestureDetector(
onTap: () => widget.onPressChatTitle?.call(context, chatModel!),
child: Row(
mainAxisSize: MainAxisSize.min,
children: widget.chat == null
? []
: [
if (chatModel is GroupChatModel) ...[
widget.options.groupAvatarBuilder(
chatModel.title,
chatModel.imageUrl,
36.0,
),
] else if (chatModel is PersonalChatModel) ...[
widget.options.userAvatarBuilder(
chatModel.user,
36.0,
),
] else
...[],
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 15.5),
child: Text(
(chatModel is GroupChatModel)
? chatModel.title
: (chatModel is PersonalChatModel)
? chatModel.user.fullName ??
widget.translations.anonymousUser
: '',
style: const TextStyle(fontSize: 18),
),
),
),
),
),
],
),
),
),
body: Column(
children: [
Expanded(
child: StreamBuilder<List<ChatMessageModel>>(
stream: _chatMessages,
builder: (BuildContext context, snapshot) {
var messages = snapshot.data ?? widget.chat?.messages ?? [];
ChatMessageModel? previousMessage;
var messageWidgets = <Widget>[];
for (var message in messages) {
messageWidgets.add(
ChatDetailRow(
previousMessage: previousMessage,
showTime: widget.showTime,
translations: widget.translations,
message: message,
userAvatarBuilder: widget.options.userAvatarBuilder,
),
);
previousMessage = message;
}
return ListView(
reverse: true,
padding: const EdgeInsets.only(top: 24.0),
children: messageWidgets.reversed.toList(),
);
},
],
),
),
),
if (widget.chat != null)
ChatBottom(
chat: widget.chat!,
messageInputBuilder: widget.options.messageInputBuilder,
onPressSelectImage: onPressSelectImage,
onMessageSubmit: widget.onMessageSubmit,
translations: widget.translations,
iconColor: widget.iconColor,
),
],
),
body: Column(
children: [
Expanded(
child: StreamBuilder<List<ChatMessageModel>>(
stream: _chatMessages,
builder: (context, snapshot) {
var messages = snapshot.data ?? chatModel?.messages ?? [];
ChatMessageModel? previousMessage;
var messageWidgets = <Widget>[];
for (var message in messages) {
messageWidgets.add(
ChatDetailRow(
previousMessage: previousMessage,
showTime: widget.showTime,
translations: widget.translations,
message: message,
userAvatarBuilder: widget.options.userAvatarBuilder,
),
);
previousMessage = message;
}
return ListView(
reverse: true,
padding: const EdgeInsets.only(top: 24.0),
children: messageWidgets.reversed.toList(),
);
},
),
),
if (chatModel != null)
ChatBottom(
chat: chatModel,
messageInputBuilder: widget.options.messageInputBuilder,
onPressSelectImage: onPressSelectImage,
onMessageSubmit: widget.onMessageSubmit,
translations: widget.translations,
iconColor: widget.iconColor,
),
],
),
);
},
);
}
}

232
packages/flutter_community_chat_view/lib/src/screens/chat_screen.dart
View file

@ -11,12 +11,12 @@ import 'package:flutter_community_chat_view/src/services/date_formatter.dart';
class ChatScreen extends StatefulWidget {
const ChatScreen({
required this.options,
required this.chats,
required this.onPressStartChat,
required this.onPressChat,
required this.onDeleteChat,
required this.service,
this.onNoChats,
this.deleteChatDialog,
this.unreadChats,
this.translations = const ChatTranslations(),
this.disableDismissForPermanentChats = false,
super.key,
@ -24,11 +24,12 @@ class ChatScreen extends StatefulWidget {
final ChatOptions options;
final ChatTranslations translations;
final Stream<List<ChatModel>> chats;
final Stream<int>? unreadChats;
final ChatService service;
final VoidCallback? onPressStartChat;
final VoidCallback? onNoChats;
final void Function(ChatModel chat) onDeleteChat;
final void Function(ChatModel chat) onPressChat;
/// Disable the swipe to dismiss feature for chats that are not deletable
final bool disableDismissForPermanentChats;
@ -40,6 +41,7 @@ class ChatScreen extends StatefulWidget {
class _ChatScreenState extends State<ChatScreen> {
final DateFormatter _dateFormatter = DateFormatter();
bool _hasCalledOnNoChats = false;
@override
Widget build(BuildContext context) {
@ -48,26 +50,24 @@ class _ChatScreenState extends State<ChatScreen> {
AppBar(
title: Text(translations.chatsTitle),
centerTitle: true,
actions: widget.unreadChats != null
? [
StreamBuilder<int>(
stream: widget.unreadChats,
builder: (BuildContext context, snapshot) => Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.only(right: 22.0),
child: Text(
'${snapshot.data ?? 0} ${translations.chatsUnread}',
style: const TextStyle(
color: Color(0xFFBBBBBB),
fontSize: 14,
),
),
),
actions: [
StreamBuilder<int>(
stream: widget.service.getUnreadChatsCountStream(),
builder: (BuildContext context, snapshot) => Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.only(right: 22.0),
child: Text(
'${snapshot.data ?? 0} ${translations.chatsUnread}',
style: const TextStyle(
color: Color(0xFFBBBBBB),
fontSize: 14,
),
),
]
: [],
),
),
),
],
),
Column(
children: [
@ -76,113 +76,133 @@ class _ChatScreenState extends State<ChatScreen> {
padding: const EdgeInsets.only(top: 15.0),
children: [
StreamBuilder<List<ChatModel>>(
stream: widget.chats,
builder: (BuildContext context, snapshot) => Column(
children: [
for (ChatModel chat in snapshot.data ?? []) ...[
Builder(
builder: (context) => !(widget.disableDismissForPermanentChats && !chat.canBeDeleted)
? Dismissible(
confirmDismiss: (_) =>
widget.deleteChatDialog
?.call(context, chat) ??
showModalBottomSheet(
context: context,
builder: (BuildContext context) =>
Container(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
chat.canBeDeleted
? translations
.deleteChatModalTitle
: translations
.chatCantBeDeleted,
style: const TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
if (chat.canBeDeleted)
stream: widget.service.getChatsStream(),
builder: (BuildContext context, snapshot) {
// if the stream is done, empty and noChats is set we should call that
if (snapshot.connectionState == ConnectionState.done &&
(snapshot.data?.isEmpty ?? true)) {
if (widget.onNoChats != null && !_hasCalledOnNoChats) {
_hasCalledOnNoChats = true; // Set the flag to true
WidgetsBinding.instance.addPostFrameCallback((_) {
widget.onNoChats!.call();
});
}
} else {
_hasCalledOnNoChats =
false; // Reset the flag if there are chats
}
return Column(
children: [
for (ChatModel chat in snapshot.data ?? []) ...[
Builder(
builder: (context) => !(widget
.disableDismissForPermanentChats &&
!chat.canBeDeleted)
? Dismissible(
confirmDismiss: (_) =>
widget.deleteChatDialog
?.call(context, chat) ??
showModalBottomSheet(
context: context,
builder: (BuildContext context) =>
Container(
padding: const EdgeInsets.all(16.0),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text(
translations
.deleteChatModalDescription,
chat.canBeDeleted
? translations
.deleteChatModalTitle
: translations
.chatCantBeDeleted,
style: const TextStyle(
fontSize: 16,
fontSize: 20,
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
TextButton(
child: Text(
translations
.deleteChatModalCancel,
style: const TextStyle(
fontSize: 16,
),
const SizedBox(height: 16),
if (chat.canBeDeleted)
Text(
translations
.deleteChatModalDescription,
style: const TextStyle(
fontSize: 16,
),
onPressed: () =>
Navigator.of(context)
.pop(false),
),
if (chat.canBeDeleted)
ElevatedButton(
onPressed: () =>
Navigator.of(context)
.pop(true),
const SizedBox(height: 16),
Row(
mainAxisAlignment:
MainAxisAlignment.center,
children: [
TextButton(
child: Text(
translations
.deleteChatModalConfirm,
.deleteChatModalCancel,
style: const TextStyle(
fontSize: 16,
),
),
onPressed: () =>
Navigator.of(context)
.pop(false),
),
],
),
],
if (chat.canBeDeleted)
ElevatedButton(
onPressed: () =>
Navigator.of(
context,
).pop(true),
child: Text(
translations
.deleteChatModalConfirm,
style:
const TextStyle(
fontSize: 16,
),
),
),
],
),
],
),
),
),
onDismissed: (_) =>
widget.onDeleteChat(chat),
background: Container(
color: Colors.red,
child: Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
translations.deleteChatButton,
),
),
),
onDismissed: (_) => widget.onDeleteChat(chat),
background: Container(
color: Colors.red,
child: Align(
alignment: Alignment.centerRight,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
translations.deleteChatButton,
),
),
),
),
key: ValueKey(
chat.id.toString(),
),
child: ChatListItem(
key: ValueKey(
chat.id.toString(),
),
child: ChatListItem(
widget: widget,
chat: chat,
translations: translations,
dateFormatter: _dateFormatter,
),
)
: ChatListItem(
widget: widget,
chat: chat,
translations: translations,
dateFormatter: _dateFormatter,
),
)
: ChatListItem(
widget: widget,
chat: chat,
translations: translations,
dateFormatter: _dateFormatter,
),
),
),
],
],
],
),
);
},
),
],
),

157
packages/flutter_community_chat_view/lib/src/screens/new_chat_screen.dart
View file

@ -8,15 +8,17 @@ import 'package:flutter_community_chat_view/flutter_community_chat_view.dart';
class NewChatScreen extends StatefulWidget {
const NewChatScreen({
required this.options,
required this.users,
required this.onPressCreateChat,
required this.service,
required this.userService,
this.translations = const ChatTranslations(),
super.key,
});
final ChatOptions options;
final ChatTranslations translations;
final List<ChatUserModel> users;
final ChatService service;
final ChatUserService userService;
final Function(ChatUserModel) onPressCreateChat;
@override
@ -25,79 +27,104 @@ class NewChatScreen extends StatefulWidget {
class _NewChatScreenState extends State<NewChatScreen> {
final FocusNode _textFieldFocusNode = FocusNode();
bool _isSearching = false;
List<ChatUserModel>? _filteredUsers;
void filterUsers(String query) => setState(
() => _filteredUsers = query.isEmpty
? null
: widget.users
.where(
(user) =>
user.fullName?.toLowerCase().contains(
query.toLowerCase(),
) ??
false,
)
.toList(),
);
String query = '';
@override
Widget build(BuildContext context) {
var users = _filteredUsers ?? widget.users;
return Scaffold(
appBar: AppBar(
title: _isSearching
? Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: TextField(
focusNode: _textFieldFocusNode,
onChanged: filterUsers,
decoration: InputDecoration(
hintText: widget.translations.searchPlaceholder,
),
),
)
: Text(widget.translations.newChatButton),
title: _buildSearchField(),
actions: [
IconButton(
onPressed: () {
setState(() {
_isSearching = !_isSearching;
});
if (_isSearching) {
_textFieldFocusNode.requestFocus();
}
},
icon: Icon(
_isSearching ? Icons.close : Icons.search,
),
),
_buildSearchIcon(),
],
),
body: users.isEmpty
? widget.options.noChatsPlaceholderBuilder(widget.translations)
: ListView(
children: [
for (var user in users)
GestureDetector(
child: widget.options.chatRowContainerBuilder(
ChatRow(
avatar: widget.options.userAvatarBuilder(
user,
40.0,
),
title:
user.fullName ?? widget.translations.anonymousUser,
),
),
onTap: () => widget.onPressCreateChat(user),
),
],
body: FutureBuilder<List<ChatUserModel>>(
future: widget.userService.getAllUsers(),
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
} else if (snapshot.hasError) {
return Text('Error: ${snapshot.error}');
} else if (snapshot.hasData) {
return _buildUserList(snapshot.data!);
} else {
return widget.options
.noChatsPlaceholderBuilder(widget.translations);
}
},
),
);
}
Widget _buildSearchField() {
return _isSearching
? Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: TextField(
focusNode: _textFieldFocusNode,
onChanged: (value) {
setState(() {
query = value;
});
},
decoration: InputDecoration(
hintText: widget.translations.searchPlaceholder,
),
),
)
: Text(widget.translations.newChatButton);
}
Widget _buildSearchIcon() {
return IconButton(
onPressed: () {
setState(() {
_isSearching = !_isSearching;
});
if (_isSearching) {
_textFieldFocusNode.requestFocus();
}
},
icon: Icon(
_isSearching ? Icons.close : Icons.search,
),
);
}
Widget _buildUserList(List<ChatUserModel> users) {
var filteredUsers = users
.where(
(user) =>
user.fullName?.toLowerCase().contains(
query.toLowerCase(),
) ??
false,
)
.toList();
if (filteredUsers.isEmpty) {
return widget.options.noChatsPlaceholderBuilder(widget.translations);
}
return ListView.builder(
itemCount: filteredUsers.length,
itemBuilder: (context, index) {
var user = filteredUsers[index];
return GestureDetector(
child: widget.options.chatRowContainerBuilder(
ChatRow(
avatar: widget.options.userAvatarBuilder(
user,
40.0,
),
title: user.fullName ?? widget.translations.anonymousUser,
),
),
onTap: () => widget.onPressCreateChat(user),
);
},
);
}
}