Files
flutter-samples/packages/stream_chat_v1/lib/thread_page.dart
T
2021-10-20 13:38:02 +05:30

89 lines
2.5 KiB
Dart

import 'package:flutter/material.dart';
import 'package:stream_chat_flutter/stream_chat_flutter.dart';
class ThreadPage extends StatefulWidget {
final Message parent;
final int? initialScrollIndex;
final double? initialAlignment;
ThreadPage({
Key? key,
required this.parent,
this.initialScrollIndex,
this.initialAlignment,
}) : super(key: key);
@override
_ThreadPageState createState() => _ThreadPageState();
}
class _ThreadPageState extends State<ThreadPage> {
Message? _quotedMessage;
FocusNode _focusNode = FocusNode();
@override
void dispose() {
_focusNode.dispose();
super.dispose();
}
void _reply(Message message) {
setState(() => _quotedMessage = message);
WidgetsBinding.instance!.addPostFrameCallback((timeStamp) {
_focusNode.requestFocus();
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: StreamChatTheme.of(context).colorTheme.appBg,
appBar: ThreadHeader(
parent: widget.parent,
),
body: Column(
children: <Widget>[
Expanded(
child: MessageListView(
parentMessage: widget.parent,
initialScrollIndex: widget.initialScrollIndex,
initialAlignment: widget.initialAlignment,
onMessageSwiped: _reply,
messageFilter: defaultFilter,
showScrollToBottom: false,
highlightInitialMessage: true,
messageBuilder: (context, details, messages, defaultMessage) {
return defaultMessage.copyWith(
onReplyTap: _reply,
deletedBottomRowBuilder: (context, message) {
return const VisibleFootnote();
},
);
},
pinPermissions: ['owner', 'admin', 'member'],
),
),
if (widget.parent.type != 'deleted')
MessageInput(
parentMessage: widget.parent,
focusNode: _focusNode,
quotedMessage: _quotedMessage,
onQuotedMessageCleared: () {
setState(() => _quotedMessage = null);
_focusNode.unfocus();
},
),
],
),
);
}
bool defaultFilter(Message m) {
var _currentUser = StreamChat.of(context).currentUser;
final isMyMessage = m.user?.id == _currentUser?.id;
final isDeletedOrShadowed = m.isDeleted == true || m.shadowed == true;
if (isDeletedOrShadowed && !isMyMessage) return false;
return true;
}
}