Solian/lib/widgets/chat/chat_event_message.dart
2024-06-29 18:29:30 +08:00

107 lines
3.0 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter_markdown/flutter_markdown.dart';
import 'package:get/get.dart';
import 'package:solian/models/event.dart';
import 'package:solian/widgets/attachments/attachment_list.dart';
import 'package:url_launcher/url_launcher_string.dart';
import 'package:markdown/markdown.dart' as markdown;
class ChatEventMessage extends StatelessWidget {
final Event item;
final bool isContentPreviewing;
final bool isQuote;
final bool isMerged;
final bool isHasMerged;
const ChatEventMessage({
super.key,
required this.item,
this.isContentPreviewing = false,
this.isMerged = false,
this.isHasMerged = false,
this.isQuote = false,
});
Widget buildAttachment(BuildContext context) {
final body = EventMessageBody.fromJson(item.body);
return SizedBox(
key: Key('m${item.uuid}attachments-box'),
width: min(MediaQuery.of(context).size.width, 640),
child: AttachmentList(
key: Key('m${item.uuid}attachments'),
parentId: item.uuid,
attachmentsId: body.attachments ?? List.empty(),
divided: true,
viewport: 1,
),
);
}
Widget buildContent() {
final body = EventMessageBody.fromJson(item.body);
final hasAttachment = body.attachments?.isNotEmpty ?? false;
return Markdown(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
data: body.text,
selectable: true,
padding: const EdgeInsets.all(0),
extensionSet: markdown.ExtensionSet(
markdown.ExtensionSet.gitHubFlavored.blockSyntaxes,
<markdown.InlineSyntax>[
markdown.EmojiSyntax(),
markdown.AutolinkExtensionSyntax(),
...markdown.ExtensionSet.gitHubFlavored.inlineSyntaxes
],
),
onTapLink: (text, href, title) async {
if (href == null) return;
await launchUrlString(
href,
mode: LaunchMode.externalApplication,
);
},
).paddingOnly(
left: isQuote ? 0 : 12,
right: isQuote ? 0 : 12,
top: body.quoteEvent == null ? 2 : 0,
bottom: hasAttachment ? 4 : (isHasMerged ? 2 : 0),
);
}
Widget buildBody(BuildContext context) {
final body = EventMessageBody.fromJson(item.body);
if (isContentPreviewing) {
return buildContent();
} else if (isMerged) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
buildContent().paddingOnly(left: 52),
if (body.attachments?.isNotEmpty ?? false)
buildAttachment(context).paddingOnly(left: 52, bottom: 4),
],
);
} else {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
buildContent(),
if (body.attachments?.isNotEmpty ?? false)
buildAttachment(context).paddingOnly(bottom: 4),
],
);
}
}
@override
Widget build(BuildContext context) {
return buildBody(context);
}
}