Files
stream-chat-flutter/lib/src/thread_header.dart
T
2020-02-28 18:48:56 +01:00

85 lines
2.3 KiB
Dart

import 'package:flutter/material.dart';
import 'package:stream_chat/stream_chat.dart';
import 'package:stream_chat_flutter/src/stream_chat_theme.dart';
class ThreadHeader extends StatelessWidget implements PreferredSizeWidget {
final bool showBackButton;
final VoidCallback onBackPressed;
final Message parent;
ThreadHeader({
Key key,
@required this.parent,
this.showBackButton = true,
this.onBackPressed,
}) : preferredSize = Size.fromHeight(kToolbarHeight),
super(key: key);
@override
Widget build(BuildContext context) {
return AppBar(
automaticallyImplyLeading: false,
elevation: 1,
backgroundColor:
StreamChatTheme.of(context).channelTheme.channelHeaderTheme.color,
actions: <Widget>[
Container(
child: showBackButton ? _buildBackButton(context) : Container(),
),
],
centerTitle: false,
title: Text.rich(
TextSpan(
text: 'Thread',
children: [
TextSpan(
text:
' ${parent.replyCount} ${parent.replyCount == 1 ? 'reply' : 'replies'}',
style: StreamChatTheme.of(context)
.channelTheme
.channelHeaderTheme
.lastMessageAt,
),
],
),
style:
StreamChatTheme.of(context).channelTheme.channelHeaderTheme.title,
),
);
}
Padding _buildBackButton(BuildContext context) {
return Padding(
padding: const EdgeInsets.all(14.0),
child: AspectRatio(
aspectRatio: 1,
child: RawMaterialButton(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(4)),
elevation: 0,
highlightElevation: 0,
focusElevation: 0,
disabledElevation: 0,
hoverElevation: 0,
onPressed: () {
if (onBackPressed != null) {
onBackPressed();
} else {
Navigator.of(context).pop();
}
},
fillColor: Colors.black.withOpacity(.1),
padding: EdgeInsets.all(4),
child: Icon(
Icons.close,
size: 15,
color: Colors.black,
),
),
),
);
}
@override
final Size preferredSize;
}