import 'package:cached_network_image/cached_network_image.dart'; import 'package:flutter/material.dart'; import 'package:flutter_markdown_selectionarea/flutter_markdown.dart'; import 'package:get/get.dart'; import 'package:markdown/markdown.dart' as markdown; import 'package:markdown/markdown.dart'; import 'package:solian/platform.dart'; import 'package:solian/providers/stickers.dart'; import 'package:solian/widgets/attachments/attachment_list.dart'; import 'package:url_launcher/url_launcher_string.dart'; import 'account/account_profile_popup.dart'; class MarkdownTextContent extends StatelessWidget { final String content; final String parentId; final bool isSelectable; const MarkdownTextContent({ super.key, required this.content, required this.parentId, this.isSelectable = false, }); Widget _buildContent(BuildContext context) { final emojiRegex = RegExp(r':([-\w]+):'); final emojiMatch = emojiRegex.allMatches(content); final isOnlyEmoji = content.replaceAll(emojiRegex, '').trim().isEmpty; return Markdown( shrinkWrap: true, physics: const NeverScrollableScrollPhysics(), data: content, padding: EdgeInsets.zero, styleSheet: MarkdownStyleSheet.fromTheme( Theme.of(context), ).copyWith( horizontalRuleDecoration: BoxDecoration( border: Border( top: BorderSide( width: 1.0, color: Theme.of(context).dividerColor, ), ), ), ), extensionSet: markdown.ExtensionSet( markdown.ExtensionSet.gitHubFlavored.blockSyntaxes, [ _UserNameCardInlineSyntax(), _CustomEmoteInlineSyntax(), markdown.EmojiSyntax(), markdown.AutolinkSyntax(), markdown.AutolinkExtensionSyntax(), ...markdown.ExtensionSet.gitHubFlavored.inlineSyntaxes ], ), onTapLink: (text, href, title) async { if (href == null) return; if (href.startsWith('solink://')) { final segments = href.replaceFirst('solink://', '').split('/'); switch (segments[0]) { case 'users': showModalBottomSheet( useRootNavigator: true, isScrollControlled: true, backgroundColor: Theme.of(context).colorScheme.surface, context: context, builder: (context) => AccountProfilePopup( name: segments[1], ), ); } return; } await launchUrlString( href, mode: LaunchMode.externalApplication, ); }, imageBuilder: (uri, title, alt) { var url = uri.toString(); double? width, height; BoxFit? fit; if (url.startsWith('solink://')) { final segments = url.replaceFirst('solink://', '').split('/'); switch (segments[0]) { case 'stickers': final StickerProvider sticker = Get.find(); url = sticker.aliasImageMapping[segments[1].toUpperCase()]!; if (emojiMatch.length <= 1 && isOnlyEmoji) { width = 112; height = 112; } else if (emojiMatch.length <= 3 && isOnlyEmoji) { width = 56; height = 56; } else { width = 28; height = 28; } fit = BoxFit.contain; break; case 'attachments': const radius = BorderRadius.all(Radius.circular(8)); return LimitedBox( maxHeight: MediaQuery.of(context).size.width, child: ClipRRect( borderRadius: radius, child: AttachmentSelfContainedEntry( isDense: true, parentId: parentId, id: int.parse(segments[1]), ), ), ).paddingSymmetric(vertical: 4); } } return PlatformInfo.canCacheImage ? CachedNetworkImage( imageUrl: url, width: width, height: height, fit: fit, ) : Image.network( url, width: width, height: height, fit: fit, ); }, ); } @override Widget build(BuildContext context) { if (isSelectable) { return SelectionArea(child: _buildContent(context)); } return _buildContent(context); } } class _UserNameCardInlineSyntax extends InlineSyntax { _UserNameCardInlineSyntax() : super(r'@[a-zA-Z0-9_]+'); @override bool onMatch(markdown.InlineParser parser, Match match) { final alias = match[0]!; final anchor = markdown.Element.text('a', alias) ..attributes['href'] = Uri.encodeFull( 'solink://users/${alias.substring(1)}', ); parser.addNode(anchor); return true; } } class _CustomEmoteInlineSyntax extends InlineSyntax { _CustomEmoteInlineSyntax() : super(r':([-\w]+):'); @override bool onMatch(markdown.InlineParser parser, Match match) { final StickerProvider sticker = Get.find(); final alias = match[1]!.toUpperCase(); if (sticker.aliasImageMapping[alias] == null) { parser.advanceBy(1); return false; } final element = markdown.Element.empty('img'); element.attributes['src'] = 'solink://stickers/$alias'; parser.addNode(element); return true; } }