lemmur-app-android/lib/widgets/comment/comment.dart

328 lines
11 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:lemmy_api_client/v3.dart';
import 'package:nested/nested.dart';
import '../../comment_tree.dart';
import '../../l10n/l10n.dart';
import '../../stores/config_store.dart';
import '../../util/async_store_listener.dart';
import '../../util/extensions/api.dart';
import '../../util/goto.dart';
import '../../util/mobx_provider.dart';
import '../../util/observer_consumers.dart';
import '../../util/text_color.dart';
import '../avatar.dart';
import '../info_table_popup.dart';
import '../markdown_text.dart';
import 'comment_actions.dart';
import 'comment_store.dart';
/// A single comment that renders its replies
class CommentWidget extends StatelessWidget {
final CommentTree commentTree;
final int? userMentionId;
final int depth;
final bool canBeMarkedAsRead;
final bool detached;
final bool hideOnRead;
const CommentWidget(
this.commentTree, {
this.depth = 0,
this.detached = false,
this.canBeMarkedAsRead = false,
this.hideOnRead = false,
this.userMentionId,
Key? key,
}) : super(key: key);
CommentWidget.fromCommentView(
CommentView cv, {
bool canBeMarkedAsRead = false,
bool hideOnRead = false,
bool detached = true,
Key? key,
}) : this(
CommentTree(cv),
detached: detached,
canBeMarkedAsRead: canBeMarkedAsRead,
hideOnRead: hideOnRead,
key: key,
);
CommentWidget.fromPersonMentionView(
PersonMentionView userMentionView, {
bool hideOnRead = false,
Key? key,
}) : this(
CommentTree(CommentView.fromJson(userMentionView.toJson())),
hideOnRead: hideOnRead,
canBeMarkedAsRead: true,
detached: true,
userMentionId: userMentionView.personMention.id,
key: key,
);
static void showCommentInfo(BuildContext context, CommentView commentView) {
final percentOfUpvotes = 100 *
(commentView.counts.upvotes /
(commentView.counts.upvotes + commentView.counts.downvotes));
showInfoTablePopup(context: context, table: {
...commentView.toJson(),
'% of upvotes': '$percentOfUpvotes%',
});
}
@override
Widget build(BuildContext context) {
return MobxProvider(
create: (context) => CommentStore(
context.read(),
commentTree: commentTree,
userMentionId: userMentionId,
depth: depth,
canBeMarkedAsRead: canBeMarkedAsRead,
detached: detached,
hideOnRead: hideOnRead,
),
builder: (context, child) => Nested(
children: [
AsyncStoreListener<BlockedPerson>(
asyncStore: context.read<CommentStore>().blockingState,
successMessageBuilder: (context, state) {
final name = state.personView.person.preferredName;
return state.blocked ? '$name blocked' : '$name unblocked';
},
),
AsyncStoreListener(
asyncStore: context.read<CommentStore>().votingState,
),
AsyncStoreListener(
asyncStore: context.read<CommentStore>().deletingState,
),
AsyncStoreListener(
asyncStore: context.read<CommentStore>().savingState,
),
AsyncStoreListener<CommentReportView>(
asyncStore: context.read<CommentStore>().reportingState,
successMessageBuilder: (context, data) => 'Comment reported',
),
],
child: const _CommentWidget(),
),
);
}
}
class _CommentWidget extends StatelessWidget {
static const colors = [
Colors.pink,
Colors.green,
Colors.amber,
Colors.cyan,
Colors.indigo,
];
static const indentWidth = 5.0;
const _CommentWidget();
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final body = ObserverBuilder<CommentStore>(
builder: (context, store) {
final comment = store.comment.comment;
if (comment.deleted) {
return Text(
L10n.of(context).deleted_by_creator,
style: const TextStyle(fontStyle: FontStyle.italic),
);
} else if (comment.removed) {
return const Text(
'comment deleted by moderator',
style: TextStyle(fontStyle: FontStyle.italic),
);
} else if (store.collapsed) {
return Opacity(
opacity: 0.3,
child: Text(
comment.content,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
);
}
return store.showRaw
? store.selectable
? SelectableText(comment.content)
: Text(comment.content)
: MarkdownText(
comment.content,
instanceHost: comment.instanceHost,
selectable: store.selectable,
);
},
);
return ObserverBuilder<CommentStore>(
builder: (context, store) {
if (store.hideOnRead && store.comment.comment.read) {
return const SizedBox();
}
final comment = store.comment.comment;
final creator = store.comment.creator;
return InkWell(
onLongPress: store.selectable ? null : store.toggleCollapsed,
child: Column(
children: [
Container(
padding: const EdgeInsets.all(10),
margin: EdgeInsets.only(
left: max((store.depth - 1) * indentWidth, 0),
),
decoration: BoxDecoration(
border: Border(
left: store.depth > 0
? BorderSide(
color: colors[store.depth % colors.length],
width: indentWidth,
)
: BorderSide.none,
top: const BorderSide(width: 0.2),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(children: [
if (creator.avatar != null)
Padding(
padding: const EdgeInsets.only(right: 5),
child: InkWell(
onTap: () =>
goToUser.fromPersonSafe(context, creator),
child: Avatar(
url: creator.avatar,
radius: 10,
noBlank: true,
),
),
),
InkWell(
onTap: () => goToUser.fromPersonSafe(context, creator),
child: Text(
creator.originPreferredName,
style: TextStyle(
color: theme.colorScheme.secondary,
),
),
),
if (creator.isCakeDay) const Text(' 🍰'),
if (store.isOP)
_CommentTag('OP', theme.colorScheme.secondary),
if (creator.admin)
_CommentTag(
L10n.of(context).admin.toUpperCase(),
theme.colorScheme.secondary,
),
if (creator.banned)
const _CommentTag('BANNED', Colors.red),
if (store.comment.creatorBannedFromCommunity)
const _CommentTag('BANNED FROM COMMUNITY', Colors.red),
const Spacer(),
if (store.collapsed && store.children.isNotEmpty) ...[
_CommentTag(
'+${store.children.length}',
Theme.of(context).colorScheme.secondary,
),
const SizedBox(width: 7),
],
InkWell(
onTap: () => CommentWidget.showCommentInfo(
context,
store.comment,
),
child: Consumer<ConfigStore>(
builder: (context, configStore, child) {
return ObserverBuilder<CommentStore>(
builder: (context, store) => Row(
children: [
if (store.votingState.isLoading)
SizedBox.fromSize(
size: const Size.square(16),
child: const CircularProgressIndicator
.adaptive(),
)
else if (configStore.showScores)
Text(
store.comment.counts.score
.compact(context),
),
if (configStore.showScores)
const Text(' · ')
else
const SizedBox(width: 4),
Text(comment.published.timeago(context)),
],
),
);
},
),
)
]),
const SizedBox(height: 10),
body,
const SizedBox(height: 5),
const CommentActions(),
],
),
),
if (!store.collapsed)
for (final c in store.children)
CommentWidget(c, depth: store.depth + 1),
],
),
);
},
);
}
}
class _CommentTag extends StatelessWidget {
final String text;
final Color backgroundColor;
const _CommentTag(this.text, this.backgroundColor);
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.only(left: 5),
child: Container(
decoration: BoxDecoration(
borderRadius: const BorderRadius.all(Radius.circular(5)),
color: backgroundColor,
),
padding: const EdgeInsets.symmetric(horizontal: 3, vertical: 2),
child: Text(
text,
style: TextStyle(
color: textColorBasedOnBackground(backgroundColor),
fontSize: Theme.of(context).textTheme.bodyText1!.fontSize! - 5,
fontWeight: FontWeight.w800,
),
),
),
);
}
}