490 lines
16 KiB
Dart
490 lines
16 KiB
Dart
import 'package:cached_network_image/cached_network_image.dart';
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import 'package:esys_flutter_share/esys_flutter_share.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:intl/intl.dart';
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import 'package:lemmy_api_client/lemmy_api_client.dart';
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import 'package:timeago/timeago.dart' as timeago;
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import 'package:url_launcher/url_launcher.dart' as ul;
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import '../comment_tree.dart';
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import '../hooks/delayed_loading.dart';
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import '../hooks/logged_in_action.dart';
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import '../util/extensions/api.dart';
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import '../util/goto.dart';
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import '../util/intl.dart';
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import '../util/text_color.dart';
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import 'bottom_modal.dart';
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import 'markdown_text.dart';
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import 'write_comment.dart';
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class Comment extends HookWidget {
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final int indent;
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final int postCreatorId;
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final CommentTree commentTree;
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final bool wasVoted;
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static const colors = [
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Colors.pink,
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Colors.green,
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Colors.amber,
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Colors.cyan,
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Colors.indigo,
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];
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Comment(
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this.commentTree, {
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this.indent = 0,
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@required this.postCreatorId,
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}) : wasVoted =
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(commentTree.comment.myVote ?? VoteType.none) != VoteType.none;
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_showCommentInfo(BuildContext context) {
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final com = commentTree.comment;
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showDialog(
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context: context,
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child: SimpleDialog(
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 20,
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vertical: 15,
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),
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children: [
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Table(
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children: [
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TableRow(children: [
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Text('upvotes:'),
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Text(com.upvotes.toString()),
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]),
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TableRow(children: [
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Text('downvotes:'),
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Text(com.downvotes.toString()),
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]),
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TableRow(children: [
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Text('score:'),
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Text(com.score.toString()),
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]),
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TableRow(children: [
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Text('% of upvotes:'),
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Text(
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'''${(100 * (com.upvotes / (com.upvotes + com.downvotes))).toInt()}%'''),
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]),
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TableRow(children: [
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Text('hotrank:'),
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Text(com.hotRank.toString()),
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]),
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TableRow(children: [
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Text('hotrank active:'),
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Text(com.hotRankActive.toString()),
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]),
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TableRow(children: [
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Text('published:'),
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Text('''${DateFormat.yMMMd().format(com.published)}'''
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''' ${DateFormat.Hms().format(com.published)}'''),
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]),
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TableRow(children: [
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Text('updated:'),
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Text(com.updated != null
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? '''${DateFormat.yMMMd().format(com.updated)}'''
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''' ${DateFormat.Hms().format(com.updated)}'''
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: 'never'),
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]),
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],
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),
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]));
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}
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bool get isOP => commentTree.comment.creatorId == postCreatorId;
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final selectable = useState(false);
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final showRaw = useState(false);
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final collapsed = useState(false);
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final myVote = useState(commentTree.comment.myVote ?? VoteType.none);
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final delayedVoting = useDelayedLoading();
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final loggedInAction = useLoggedInAction(commentTree.comment.instanceUrl);
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final newReplies = useState(const <CommentTree>[]);
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final comment = commentTree.comment;
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void _openMoreMenu(BuildContext context) {
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pop() => Navigator.of(context).pop();
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final com = commentTree.comment;
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showModalBottomSheet(
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backgroundColor: Colors.transparent,
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context: context,
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builder: (context) => BottomModal(
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child: Column(
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children: [
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ListTile(
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leading: Icon(Icons.open_in_browser),
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title: Text('Open in browser'),
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onTap: () async => await ul.canLaunch(com.apId)
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? ul.launch(com.apId)
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: Scaffold.of(context).showSnackBar(
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SnackBar(content: Text("can't open in browser"))),
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),
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ListTile(
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leading: Icon(Icons.share),
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title: Text('Share url'),
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onTap: () =>
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Share.text('Share comment url', com.apId, 'text/plain'),
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),
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ListTile(
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leading: Icon(Icons.share),
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title: Text('Share text'),
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onTap: () =>
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Share.text('Share comment text', com.content, 'text/plain'),
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),
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ListTile(
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leading: Icon(
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selectable.value ? Icons.assignment : Icons.content_cut),
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title:
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Text('Make text ${selectable.value ? 'un' : ''}selectable'),
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onTap: () {
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selectable.value = !selectable.value;
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pop();
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},
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),
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ListTile(
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leading: Icon(showRaw.value ? Icons.brush : Icons.build),
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title: Text('Show ${showRaw.value ? 'fancy' : 'raw'} text'),
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onTap: () {
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showRaw.value = !showRaw.value;
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pop();
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},
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),
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ListTile(
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leading: Icon(Icons.info_outline),
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title: Text('Nerd stuff'),
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onTap: () => _showCommentInfo(context),
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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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reply() async {
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final newComment = await showCupertinoModalPopup<CommentView>(
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context: context,
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builder: (_) => WriteComment.toComment(comment),
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);
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if (newComment != null) {
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newReplies.value = [...newReplies.value, CommentTree(newComment)];
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}
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}
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vote(VoteType vote, Jwt token) async {
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final api = LemmyApi(token.payload.iss).v1;
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delayedVoting.start();
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try {
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final res = await api.createCommentLike(
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commentId: comment.id, score: vote, auth: token.raw);
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myVote.value = res.myVote;
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// ignore: avoid_catches_without_on_clauses
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} catch (e) {
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Scaffold.of(context)
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.showSnackBar(SnackBar(content: Text('voting failed :(')));
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return;
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}
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delayedVoting.cancel();
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}
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// decide which username to use
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final username = () {
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if (comment.creatorPreferredUsername != null &&
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comment.creatorPreferredUsername != '') {
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return comment.creatorPreferredUsername;
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} else {
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return '@${comment.creatorName}';
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}
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}();
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final body = () {
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if (comment.deleted) {
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return Flexible(
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child: Text(
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'comment deleted by creator',
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style: TextStyle(fontStyle: FontStyle.italic),
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),
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);
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} else if (comment.removed) {
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return Flexible(
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child: Text(
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'comment deleted by moderator',
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style: TextStyle(fontStyle: FontStyle.italic),
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),
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);
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} else if (collapsed.value) {
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return Flexible(
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child: Opacity(
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opacity: 0.3,
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child: Text(
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commentTree.comment.content,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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);
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} else {
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// TODO: bug, the text is selectable even when disabled after following
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// these steps:
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// make selectable > show raw > show fancy > make unselectable
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return Flexible(
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child: showRaw.value
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? selectable.value
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? SelectableText(commentTree.comment.content)
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: Text(commentTree.comment.content)
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: MarkdownText(
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commentTree.comment.content,
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instanceUrl: commentTree.comment.instanceUrl,
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selectable: selectable.value,
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));
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}
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}();
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final actions = collapsed.value
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? SizedBox.shrink()
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: Row(children: [
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if (selectable.value && !comment.deleted && !comment.removed)
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_CommentAction(
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icon: Icons.content_copy,
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tooltip: 'copy',
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onPressed: () {
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Clipboard.setData(
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ClipboardData(text: commentTree.comment.content))
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.then((_) => Scaffold.of(context).showSnackBar(SnackBar(
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content: Text('comment copied to clipboard'))));
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}),
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Spacer(),
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_CommentAction(
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icon: Icons.more_horiz,
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onPressed: () => _openMoreMenu(context),
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tooltip: 'more',
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),
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_SaveComment(commentTree.comment),
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_CommentAction(
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icon: Icons.reply,
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onPressed: loggedInAction((_) => reply()),
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tooltip: 'reply',
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),
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_CommentAction(
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icon: Icons.arrow_upward,
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iconColor: myVote.value == VoteType.up ? theme.accentColor : null,
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onPressed: loggedInAction((token) => vote(
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myVote.value == VoteType.up ? VoteType.none : VoteType.up,
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token,
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)),
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tooltip: 'upvote',
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),
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_CommentAction(
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icon: Icons.arrow_downward,
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iconColor: myVote.value == VoteType.down ? Colors.red : null,
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onPressed: loggedInAction(
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(token) => vote(
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myVote.value == VoteType.down ? VoteType.none : VoteType.down,
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token,
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),
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),
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tooltip: 'downvote',
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),
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]);
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return GestureDetector(
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onLongPress: () => collapsed.value = !collapsed.value,
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child: Column(
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children: [
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Container(
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child: Column(
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children: [
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Row(children: [
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if (comment.creatorAvatar != null)
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Padding(
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padding: const EdgeInsets.only(right: 5),
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child: InkWell(
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onTap: () => goToUser.byId(
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context, comment.instanceUrl, comment.creatorId),
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child: CachedNetworkImage(
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imageUrl: comment.creatorAvatar,
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height: 20,
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width: 20,
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imageBuilder: (context, imageProvider) => Container(
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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image: DecorationImage(
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fit: BoxFit.cover,
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image: imageProvider,
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),
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),
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),
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errorWidget: (_, __, ___) => SizedBox.shrink(),
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),
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),
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),
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InkWell(
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child: Text(username,
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style: TextStyle(
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color: Theme.of(context).accentColor,
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)),
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onTap: () => goToUser.byId(
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context, comment.instanceUrl, comment.creatorId),
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),
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if (isOP) _CommentTag('OP', Theme.of(context).accentColor),
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if (comment.banned) _CommentTag('BANNED', Colors.red),
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if (comment.bannedFromCommunity)
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_CommentTag('BANNED FROM COMMUNITY', Colors.red),
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Spacer(),
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if (collapsed.value && commentTree.children.length > 0) ...[
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_CommentTag('+${commentTree.children.length}',
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Theme.of(context).accentColor),
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SizedBox(width: 7),
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],
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InkWell(
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onTap: () => _showCommentInfo(context),
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child: Row(
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children: [
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if (delayedVoting.loading)
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SizedBox.fromSize(
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size: Size.square(16),
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child: CircularProgressIndicator())
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else
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Text(compactNumber(comment.score +
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(wasVoted ? 0 : myVote.value.value))),
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Text(' · '),
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Text(timeago.format(comment.published)),
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],
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),
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)
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]),
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SizedBox(height: 10),
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Row(children: [body]),
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SizedBox(height: 5),
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actions,
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],
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),
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padding: EdgeInsets.all(10),
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margin: EdgeInsets.only(left: indent > 1 ? (indent - 1) * 5.0 : 0),
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decoration: BoxDecoration(
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border: Border(
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left: indent > 0
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? BorderSide(
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color: colors[indent % colors.length], width: 5)
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: BorderSide.none,
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top: BorderSide(width: 0.2))),
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),
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if (!collapsed.value)
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for (final c in newReplies.value.followedBy(commentTree.children))
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Comment(
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c,
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indent: indent + 1,
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postCreatorId: postCreatorId,
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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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class _SaveComment extends HookWidget {
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final CommentView comment;
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_SaveComment(this.comment);
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@override
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Widget build(BuildContext context) {
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final loggedInAction = useLoggedInAction(comment.instanceUrl);
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final isSaved = useState(comment.saved ?? false);
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final delayed = useDelayedLoading(const Duration(milliseconds: 500));
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handleSave(Jwt token) async {
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final api = LemmyApi(comment.instanceUrl).v1;
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delayed.start();
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try {
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final res = await api.saveComment(
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commentId: comment.id, save: !isSaved.value, auth: token.raw);
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isSaved.value = res.saved;
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// ignore: avoid_catches_without_on_clauses
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} catch (e) {
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Scaffold.of(context)
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.showSnackBar(SnackBar(content: Text('saving failed :(')));
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}
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delayed.cancel();
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}
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return _CommentAction(
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loading: delayed.loading,
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icon: isSaved.value ? Icons.bookmark : Icons.bookmark_border,
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onPressed: loggedInAction(delayed.pending ? (_) {} : handleSave),
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tooltip: '${isSaved.value ? 'unsave' : 'save'} comment',
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);
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}
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}
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class _CommentTag extends StatelessWidget {
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final String text;
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final Color bgColor;
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const _CommentTag(this.text, this.bgColor);
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@override
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Widget build(BuildContext context) => Padding(
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padding: const EdgeInsets.only(left: 5),
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.all(Radius.circular(5)),
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color: bgColor,
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),
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padding: EdgeInsets.symmetric(horizontal: 3, vertical: 2),
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child: Text(text,
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style: TextStyle(
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color: textColorBasedOnBackground(bgColor),
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fontSize: Theme.of(context).textTheme.bodyText1.fontSize - 5,
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fontWeight: FontWeight.w800,
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)),
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),
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);
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}
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class _CommentAction extends StatelessWidget {
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final IconData icon;
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final void Function() onPressed;
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final String tooltip;
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final bool loading;
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final Color iconColor;
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const _CommentAction({
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Key key,
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this.loading = false,
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this.iconColor,
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@required this.icon,
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@required this.onPressed,
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@required this.tooltip,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) => IconButton(
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constraints: BoxConstraints.tight(Size(32, 26)),
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icon: loading
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? SizedBox.fromSize(
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size: Size.square(22), child: CircularProgressIndicator())
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: Icon(
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icon,
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color: iconColor ??
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Theme.of(context).iconTheme.color.withAlpha(190),
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),
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splashRadius: 25,
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onPressed: onPressed,
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iconSize: 22,
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tooltip: tooltip,
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padding: EdgeInsets.all(0),
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);
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}
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