92 lines
2.9 KiB
Dart
92 lines
2.9 KiB
Dart
import 'package:collection/collection.dart' show IterableExtension;
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown/flutter_markdown.dart';
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import 'package:stream_chat_flutter/src/extension.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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/// {@macro message_text}
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@Deprecated("Use 'StreamMessageText' instead")
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typedef MessageText = StreamMessageText;
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/// {@template message_text}
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/// Text widget to display in message
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/// {@endtemplate}
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class StreamMessageText extends StatelessWidget {
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/// Constructor for creating a [StreamMessageText] widget
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const StreamMessageText({
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super.key,
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required this.message,
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required this.messageTheme,
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this.onMentionTap,
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this.onLinkTap,
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});
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/// Message whose text is to be displayed
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final Message message;
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/// Callback for when mention is tapped
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final void Function(User)? onMentionTap;
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/// Callback for when link is tapped
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final void Function(String)? onLinkTap;
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/// [StreamMessageThemeData] whose text theme is to be applied
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final StreamMessageThemeData messageTheme;
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@override
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Widget build(BuildContext context) {
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final streamChat = StreamChat.of(context);
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assert(streamChat.currentUser != null, '');
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return BetterStreamBuilder<String>(
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stream: streamChat.currentUserStream.map((it) => it!.language ?? 'en'),
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initialData: streamChat.currentUser!.language ?? 'en',
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builder: (context, language) {
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final messageText = message
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.translate(language)
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.replaceMentions()
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.text
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?.replaceAll('\n', '\n\n');
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final themeData = Theme.of(context);
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return MarkdownBody(
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data: messageText ?? '',
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onTapLink: (
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String link,
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String? href,
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String title,
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) {
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if (link.startsWith('@')) {
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final mentionedUser = message.mentionedUsers.firstWhereOrNull(
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(u) => '@${u.name}' == link,
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);
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if (mentionedUser == null) return;
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onMentionTap?.call(mentionedUser);
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} else {
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if (onLinkTap != null) {
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onLinkTap!(link);
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} else {
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launchURL(context, link);
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}
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}
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},
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styleSheet: MarkdownStyleSheet.fromTheme(
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themeData.copyWith(
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textTheme: themeData.textTheme.apply(
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bodyColor: messageTheme.messageTextStyle?.color,
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decoration: messageTheme.messageTextStyle?.decoration,
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decorationColor: messageTheme.messageTextStyle?.decorationColor,
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decorationStyle: messageTheme.messageTextStyle?.decorationStyle,
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fontFamily: messageTheme.messageTextStyle?.fontFamily,
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),
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),
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).copyWith(
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a: messageTheme.messageLinksStyle,
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p: messageTheme.messageTextStyle,
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),
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);
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},
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);
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}
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}
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