Files
stream-chat-flutter/packages/stream_chat_flutter/lib/src/user_item.dart
T
2021-10-01 16:45:16 +05:30

103 lines
2.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:jiffy/jiffy.dart';
import 'package:stream_chat_flutter/src/extension.dart';
import 'package:stream_chat_flutter/src/stream_svg_icon.dart';
import 'package:stream_chat_flutter/src/user_list_view.dart';
import 'package:stream_chat_flutter/stream_chat_flutter.dart';
import 'package:stream_chat_flutter_core/stream_chat_flutter_core.dart';
///
/// It shows the current [User] preview.
///
/// The widget uses a [StreamBuilder] to render the user information
/// image as soon as it updates.
///
/// Usually you don't use this widget as it's the default user preview used
/// by [UserListView].
///
/// The widget renders the ui based on the first ancestor of type
/// [StreamChatTheme].
/// Modify it to change the widget appearance.
class UserItem extends StatelessWidget {
/// Instantiate a new UserItem
const UserItem({
Key? key,
required this.user,
this.onTap,
this.onLongPress,
this.onImageTap,
this.selected = false,
this.showLastOnline = true,
}) : super(key: key);
/// Function called when tapping this widget
final void Function(User)? onTap;
/// Function called when long pressing this widget
final void Function(User)? onLongPress;
/// User displayed
final User user;
/// The function called when the image is tapped
final void Function(User)? onImageTap;
/// If true the [UserItem] will show a trailing checkmark
final bool selected;
/// If true the [UserItem] will show the last seen
final bool showLastOnline;
@override
Widget build(BuildContext context) {
final chatThemeData = StreamChatTheme.of(context);
return ListTile(
onTap: () {
if (onTap != null) {
onTap!(user);
}
},
onLongPress: () {
if (onLongPress != null) {
onLongPress!(user);
}
},
leading: UserAvatar(
user: user,
onTap: (user) {
if (onImageTap != null) {
onImageTap!(user);
}
},
constraints: const BoxConstraints.tightFor(
height: 40,
width: 40,
),
),
trailing: selected
? StreamSvgIcon.checkSend(
color: chatThemeData.colorTheme.accentPrimary,
)
: null,
title: Text(
user.name,
style: chatThemeData.textTheme.bodyBold,
),
subtitle: showLastOnline ? _buildLastActive(context) : null,
);
}
Widget _buildLastActive(BuildContext context) {
final chatTheme = StreamChatTheme.of(context);
return Text(
user.online
? context.translations.userOnlineText
: '${context.translations.userLastOnlineText} '
'${Jiffy(user.lastActive).fromNow()}',
style: chatTheme.textTheme.footnote.copyWith(
color: chatTheme.colorTheme.textHighEmphasis.withOpacity(0.5),
),
);
}
}