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Welton Moura
2026-09-11 15:59:56 -03:00
commit 0037b0b9cf
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lib/pages/chat/events/poll.dart Normal file
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// SPDX-FileCopyrightText: 2019-Present Christian Kußowski
// SPDX-FileCopyrightText: 2019-Present Contributors to FluffyChat
//
// SPDX-License-Identifier: AGPL-3.0-or-later
import 'package:async/async.dart';
import 'package:tatchat/config/app_config.dart';
import 'package:tatchat/l10n/l10n.dart';
import 'package:tatchat/utils/url_launcher.dart';
import 'package:tatchat/widgets/avatar.dart';
import 'package:tatchat/widgets/future_loading_dialog.dart';
import 'package:flutter_linkify/flutter_linkify.dart';
import 'package:material_ui/material_ui.dart';
import 'package:matrix/matrix.dart' hide Result;
class PollWidget extends StatelessWidget {
final Event event;
final Timeline timeline;
final Color textColor;
final Color linkColor;
const PollWidget({
required this.event,
required this.timeline,
required this.textColor,
required this.linkColor,
super.key,
});
void _endPoll(BuildContext context) =>
showFutureLoadingDialog(context: context, future: event.endPoll);
void _toggleVote(BuildContext context, String answerId, int maxSelection) {
final userId = event.room.client.userID!;
final answerIds = event.getPollResponses(timeline)[userId] ?? {};
if (!answerIds.remove(answerId)) {
answerIds.add(answerId);
if (answerIds.length > maxSelection) {
answerIds.clear();
answerIds.add(answerId);
}
}
showFutureLoadingDialog(
context: context,
future: () => event.answerPoll(answerIds.toList()),
);
}
@override
Widget build(BuildContext context) {
final eventContentResult = Result(() => event.parsedPollEventContent);
final eventContent = eventContentResult.asValue?.value;
if (eventContent == null) {
Logs().w('Invalid poll event', eventContentResult.error);
return const Text('Unable to parse poll event...');
}
final responses = event.getPollResponses(timeline);
final pollHasBeenEnded = event.getPollHasBeenEnded(timeline);
final canVote =
event.room.canSendEvent(PollEventContent.responseType) &&
!pollHasBeenEnded;
final maxPolls = responses.length;
final answersVisible =
eventContent.pollStartContent.kind == PollKind.disclosed ||
pollHasBeenEnded;
return Padding(
padding: const EdgeInsets.symmetric(vertical: 8),
child: Column(
mainAxisSize: .min,
crossAxisAlignment: .start,
children: [
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Linkify(
text: eventContent.pollStartContent.question.mText,
textScaleFactor: MediaQuery.textScalerOf(context).scale(1),
style: TextStyle(
color: textColor,
fontSize: AppConfig.messageFontSize,
),
options: const LinkifyOptions(humanize: false),
linkStyle: TextStyle(
color: linkColor,
fontSize: AppConfig.messageFontSize,
decoration: TextDecoration.underline,
decorationColor: linkColor,
),
onOpen: (url) => UrlLauncher(context, url.url).launchUrl(),
),
),
Divider(color: linkColor.withAlpha(64)),
...eventContent.pollStartContent.answers.map((answer) {
final votedUserIds = responses.entries
.where((entry) => entry.value.contains(answer.id))
.map((entry) => entry.key)
.toSet();
return Material(
color: Colors.transparent,
clipBehavior: Clip.hardEdge,
child: CheckboxListTile.adaptive(
value:
responses[event.room.client.userID!]?.contains(answer.id) ??
false,
contentPadding: const EdgeInsets.symmetric(horizontal: 16),
checkboxScaleFactor: 1.5,
checkboxShape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(32),
),
onChanged: !canVote
? null
: (_) => _toggleVote(
context,
answer.id,
eventContent.pollStartContent.maxSelections,
),
title: Text(
answer.mText,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: textColor,
fontSize: AppConfig.messageFontSize,
),
),
subtitle: answersVisible
? Column(
crossAxisAlignment: .start,
mainAxisSize: .min,
children: [
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: [
Text(
L10n.of(
context,
).countVotes(votedUserIds.length),
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
color: linkColor,
fontSize: 12,
),
),
const SizedBox(width: 2),
...votedUserIds.map((userId) {
final user = event.room
.getState(EventTypes.RoomMember, userId)
?.asUser(event.room);
return Padding(
padding: const EdgeInsets.symmetric(
horizontal: 2.0,
),
child: Avatar(
mxContent: user?.avatarUrl,
name:
user?.calcDisplayname() ??
userId.localpart,
size: 12,
),
);
}),
const SizedBox(width: 2),
],
),
),
LinearProgressIndicator(
color: linkColor,
backgroundColor: linkColor.withAlpha(128),
borderRadius: BorderRadius.circular(
AppConfig.borderRadius,
),
value: maxPolls == 0
? 0
: votedUserIds.length / maxPolls,
),
],
)
: null,
),
);
}),
if (!pollHasBeenEnded && event.senderId == event.room.client.userID)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: OutlinedButton(
onPressed: () => _endPoll(context),
style: OutlinedButton.styleFrom(
foregroundColor: linkColor,
side: BorderSide(color: linkColor.withAlpha(64)),
),
child: Text(L10n.of(context).endPoll),
),
)
else if (!answersVisible)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
L10n.of(context).answersWillBeVisibleWhenPollHasEnded,
style: TextStyle(
color: linkColor,
fontSize: 12,
fontStyle: FontStyle.italic,
),
),
)
else if (pollHasBeenEnded)
Padding(
padding: const EdgeInsets.symmetric(horizontal: 16),
child: Text(
L10n.of(context).pollHasBeenEnded,
style: TextStyle(
color: linkColor,
fontSize: 12,
fontStyle: FontStyle.italic,
),
),
),
],
),
);
}
}