🎨 Use feature based folder structure

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2026-02-06 00:37:02 +08:00
parent 62a3ea26e3
commit 862e3b451b
539 changed files with 8406 additions and 5056 deletions

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import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:island/accounts/accounts_widgets/account/account_pfc.dart';
import 'package:island/creators/creators/poll/poll_list.dart';
import 'package:island/pagination/pagination.dart';
import 'package:island/polls/polls_widgets/poll/poll_stats_widget.dart';
import 'package:island/posts/posts_models/poll.dart';
import 'package:island/core/network.dart';
import 'package:island/core/services/time.dart';
import 'package:island/drive/drive_widgets/cloud_files.dart';
import 'package:island/core/widgets/content/sheet.dart';
import 'package:island/shared/widgets/pagination_list.dart';
import 'package:island/shared/widgets/response.dart';
import 'package:styled_widget/styled_widget.dart';
final pollFeedbackNotifierProvider = AsyncNotifierProvider.autoDispose.family(
PollFeedbackNotifier.new,
);
class PollFeedbackNotifier extends AsyncNotifier<PaginationState<SnPollAnswer>>
with AsyncPaginationController<SnPollAnswer> {
static const int pageSize = 20;
final String arg;
PollFeedbackNotifier(this.arg);
@override
Future<List<SnPollAnswer>> fetch() async {
final client = ref.read(apiClientProvider);
final queryParams = {'offset': fetchedCount, 'take': pageSize};
final response = await client.get(
'/sphere/polls/$arg/feedback',
queryParameters: queryParams,
);
totalCount = int.parse(response.headers.value('X-Total') ?? '0');
final List<dynamic> data = response.data;
return data.map((json) => SnPollAnswer.fromJson(json)).toList();
}
}
class PollFeedbackSheet extends HookConsumerWidget {
final String pollId;
final String? title;
const PollFeedbackSheet({super.key, required this.pollId, this.title});
@override
Widget build(BuildContext context, WidgetRef ref) {
final poll = ref.watch(pollWithStatsProvider(pollId));
final provider = pollFeedbackNotifierProvider(pollId);
return SheetScaffold(
titleText: title ?? 'Poll feedback',
child: poll.when(
data: (data) => CustomScrollView(
slivers: [
SliverToBoxAdapter(child: _PollHeader(poll: data)),
SliverToBoxAdapter(child: const Divider(height: 1)),
SliverGap(4),
PaginationList(
provider: provider,
notifier: provider.notifier,
isSliver: true,
isRefreshable: false,
itemBuilder: (context, index, answer) {
return Column(
children: [
_PollAnswerTile(answer: answer, poll: data),
if (index <
(ref.read(provider).value?.items.length ?? 0) - 1)
const Divider(height: 1).padding(vertical: 4),
],
);
},
),
SliverGap(4 + MediaQuery.of(context).padding.bottom),
],
),
error: (err, _) => ResponseErrorWidget(
error: err,
onRetry: () => ref.invalidate(pollWithStatsProvider(pollId)),
),
loading: () => ResponseLoadingWidget(),
),
);
}
}
class _PollHeader extends StatelessWidget {
const _PollHeader({required this.poll});
final SnPollWithStats poll;
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
spacing: 12,
children: [
if (poll.title != null || (poll.description?.isNotEmpty ?? false))
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (poll.title != null)
Text(poll.title!, style: theme.textTheme.titleLarge),
if (poll.description?.isNotEmpty ?? false)
Text(
poll.description!,
style: theme.textTheme.bodyMedium?.copyWith(
color: theme.textTheme.bodyMedium?.color?.withOpacity(0.7),
),
),
],
).padding(horizontal: 20, top: 16),
ExpansionTile(
title: Text('pollQuestions').tr().fontSize(17).bold(),
tilePadding: EdgeInsets.symmetric(horizontal: 20),
children: poll.questions
.map(
(q) => Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
if (q.title.isNotEmpty) Text(q.title).bold(),
if (q.description?.isNotEmpty ?? false)
Text(q.description!),
PollStatsWidget(question: q, stats: poll.stats),
],
).padding(horizontal: 20, top: 8, bottom: 16),
)
.toList(),
),
],
);
}
}
class _PollAnswerTile extends StatelessWidget {
final SnPollAnswer answer;
final SnPollWithStats poll;
const _PollAnswerTile({required this.answer, required this.poll});
String _formatPerQuestionAnswer(
SnPollQuestion q,
Map<String, dynamic> ansMap,
) {
switch (q.type) {
case SnPollQuestionType.singleChoice:
final val = ansMap[q.id];
if (val is String) {
final opt = q.options?.firstWhere(
(o) => o.id == val,
orElse: () => SnPollOption(id: val, label: '#$val', order: 0),
);
return opt?.label ?? '#$val';
}
return '';
case SnPollQuestionType.multipleChoice:
final val = ansMap[q.id];
if (val is List) {
final ids = val.whereType<String>().toList();
if (ids.isEmpty) return '';
final labels = ids.map((id) {
final opt = q.options?.firstWhere(
(o) => o.id == id,
orElse: () => SnPollOption(id: id, label: '#$id', order: 0),
);
return opt?.label ?? '#$id';
}).toList();
return labels.join(', ');
}
return '';
case SnPollQuestionType.yesNo:
final val = ansMap[q.id];
if (val is bool) {
return val ? 'Yes' : 'No';
}
return '';
case SnPollQuestionType.rating:
final val = ansMap[q.id];
if (val is int) return val.toString();
if (val is num) return val.toString();
return '';
case SnPollQuestionType.freeText:
final val = ansMap[q.id];
if (val is String && val.trim().isNotEmpty) return val;
return '';
}
}
@override
Widget build(BuildContext context) {
// Submit date/time (title)
final submitText = answer.account == null
? answer.createdAt.formatSystem()
: '${answer.account!.nick} · ${answer.createdAt.formatSystem()}';
// Compose content from poll questions if provided, otherwise fallback to joined key-values
String content;
if (poll.questions.isNotEmpty) {
final questions = [...poll.questions]
..sort((a, b) => a.order.compareTo(b.order));
final buffer = StringBuffer();
for (final q in questions) {
final formatted = _formatPerQuestionAnswer(q, answer.answer);
buffer.writeln('${q.title}: $formatted');
}
content = buffer.toString().trimRight();
} else {
// Fallback formatting without poll context. We still want to show the question title
// instead of the raw question id key if we can derive it from the answer map itself.
// Since we don't have poll metadata here, we cannot resolve the title; therefore we
// will show only values line-by-line without exposing the raw id.
if (answer.answer.isEmpty) {
content = '';
} else {
final parts = <String>[];
answer.answer.forEach((key, value) {
var question = poll.questions.firstWhere((q) => q.id == key);
if (value is List) {
parts.add('${question.title}: ${value.join(', ')}');
} else {
parts.add('${question.title}: $value');
}
});
content = parts.join('\n');
}
}
return ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 20),
isThreeLine: true,
leading: answer.account == null
? const CircleAvatar(
radius: 16,
child: Icon(Icons.how_to_vote, size: 16),
)
: AccountPfcRegion(
uname: answer.account!.name,
child: ProfilePictureWidget(
file: answer.account!.profile.picture,
),
),
title: Text(submitText),
subtitle: Text(content),
trailing: null,
);
}
}

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import 'package:flutter/material.dart';
import 'package:island/posts/posts_models/poll.dart';
class PollStatsWidget extends StatelessWidget {
const PollStatsWidget({
super.key,
required this.question,
required this.stats,
});
final SnPollQuestion question;
final Map<String, dynamic>? stats;
@override
Widget build(BuildContext context) {
if (stats == null) return const SizedBox.shrink();
final raw = stats![question.id];
if (raw == null) return const SizedBox.shrink();
Widget? body;
switch (question.type) {
case SnPollQuestionType.rating:
// rating: avg score (double or int)
final avg = (raw['rating'] as num?)?.toDouble();
if (avg == null) break;
final theme = Theme.of(context);
body = Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Icon(Icons.star, color: Colors.amber.shade600, size: 18),
const SizedBox(width: 6),
Text(
avg.toStringAsFixed(1),
style: theme.textTheme.labelMedium?.copyWith(
color: theme.colorScheme.onSurfaceVariant,
),
),
],
);
break;
case SnPollQuestionType.yesNo:
// yes/no: map {true: count, false: count}
if (raw is Map) {
final int yes =
(raw['true'] is int)
? raw['true'] as int
: int.tryParse('${raw['true']}') ?? 0;
final int no =
(raw['false'] is int)
? raw['false'] as int
: int.tryParse('${raw['false']}') ?? 0;
final total = (yes + no).clamp(0, 1 << 31);
final yesPct = total == 0 ? 0.0 : yes / total;
final noPct = total == 0 ? 0.0 : no / total;
final theme = Theme.of(context);
body = Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_BarStatRow(
label: 'Yes',
count: yes,
fraction: yesPct,
color: Colors.green.shade600,
),
const SizedBox(height: 6),
_BarStatRow(
label: 'No',
count: no,
fraction: noPct,
color: Colors.red.shade600,
),
const SizedBox(height: 4),
Text(
'Total: $total',
style: theme.textTheme.labelSmall?.copyWith(
color: theme.colorScheme.onSurfaceVariant,
),
),
],
);
}
break;
case SnPollQuestionType.singleChoice:
case SnPollQuestionType.multipleChoice:
// map optionId -> count
if (raw is Map) {
final options = [...?question.options]
..sort((a, b) => a.order.compareTo(b.order));
final List<_OptionCount> items = [];
int total = 0;
for (final opt in options) {
final dynamic v = raw[opt.id];
final int count = v is int ? v : int.tryParse('$v') ?? 0;
total += count;
items.add(_OptionCount(id: opt.id, label: opt.label, count: count));
}
if (items.isNotEmpty) {
items.sort(
(a, b) => b.count.compareTo(a.count),
); // show highest first
}
body = Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
for (final it in items)
Padding(
padding: const EdgeInsets.only(bottom: 6),
child: _BarStatRow(
label: it.label,
count: it.count,
fraction: total == 0 ? 0 : it.count / total,
),
),
if (items.isNotEmpty)
Text(
'Total: $total',
style: Theme.of(context).textTheme.labelSmall?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
],
);
}
break;
case SnPollQuestionType.freeText:
// No stats
break;
}
if (body == null) return Text('No stats available');
return Padding(
padding: const EdgeInsets.only(top: 8),
child: DecoratedBox(
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surfaceVariant.withOpacity(0.35),
borderRadius: BorderRadius.circular(8),
),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
'Stats',
style: Theme.of(context).textTheme.labelLarge?.copyWith(
color: Theme.of(context).colorScheme.onSurfaceVariant,
),
),
const SizedBox(height: 8),
body,
],
),
),
),
);
}
}
class _OptionCount {
final String id;
final String label;
final int count;
const _OptionCount({
required this.id,
required this.label,
required this.count,
});
}
class _BarStatRow extends StatelessWidget {
const _BarStatRow({
required this.label,
required this.count,
required this.fraction,
this.color,
});
final String label;
final int count;
final double fraction;
final Color? color;
@override
Widget build(BuildContext context) {
final barColor = color ?? Theme.of(context).colorScheme.primary;
final bgColor = Theme.of(
context,
).colorScheme.surfaceVariant.withOpacity(0.6);
final fg =
(fraction.isNaN || fraction.isInfinite)
? 0.0
: fraction.clamp(0.0, 1.0);
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text('$label · $count', style: Theme.of(context).textTheme.labelMedium),
const SizedBox(height: 4),
LayoutBuilder(
builder: (context, constraints) {
final width = constraints.maxWidth;
final filled = width * fg;
return Stack(
children: [
Container(
height: 8,
width: width,
decoration: BoxDecoration(
color: bgColor,
borderRadius: BorderRadius.circular(999),
),
),
Container(
height: 8,
width: filled,
decoration: BoxDecoration(
color: barColor,
borderRadius: BorderRadius.circular(999),
),
),
],
);
},
),
],
);
}
}

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import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:easy_localization/easy_localization.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:island/creators/creators/poll/poll_list.dart';
import 'package:island/polls/polls_widgets/poll/poll_stats_widget.dart';
import 'package:island/posts/posts_models/poll.dart';
import 'package:island/core/network.dart';
import 'package:island/shared/widgets/alert.dart';
class PollSubmit extends ConsumerStatefulWidget {
const PollSubmit({
super.key,
required this.pollId,
required this.onSubmit,
this.initialAnswers,
this.onCancel,
this.showProgress = true,
this.isReadonly = false,
this.isInitiallyExpanded = false,
});
final String pollId;
/// Callback when user submits all answers. Map questionId -> answer.
final void Function(Map<String, dynamic> answers) onSubmit;
/// Optional initial answers, keyed by questionId.
final Map<String, dynamic>? initialAnswers;
/// Optional cancel callback.
final VoidCallback? onCancel;
/// Whether to show a progress indicator (e.g., "2 / N").
final bool showProgress;
final bool isReadonly;
/// Whether the poll should start expanded instead of collapsed.
final bool isInitiallyExpanded;
@override
ConsumerState<PollSubmit> createState() => _PollSubmitState();
}
class _PollSubmitState extends ConsumerState<PollSubmit> {
List<SnPollQuestion>? _questions;
int _index = 0;
bool _submitting = false;
bool _isModifying = false; // New state to track if user is modifying answers
bool _isCollapsed = true; // New state to track collapse/expand
/// Collected answers, keyed by questionId
late Map<String, dynamic> _answers;
/// Local controller for free text input
final TextEditingController _textController = TextEditingController();
/// Local state holders for inputs to avoid rebuilding whole list
String? _singleChoiceSelected; // optionId
final Set<String> _multiChoiceSelected = {};
bool? _yesNoSelected;
int? _ratingSelected; // 1..5
/// Flag to track if user has edited the current question to prevent provider rebuilds from resetting state
bool _userHasEdited = false;
/// Listener for text controller to mark as edited when user types
late final VoidCallback _controllerListener;
@override
void initState() {
super.initState();
_controllerListener = () {
_userHasEdited = true;
};
_textController.addListener(_controllerListener);
_answers = Map<String, dynamic>.from(widget.initialAnswers ?? {});
// Set initial collapse state based on the parameter
_isCollapsed = !widget.isInitiallyExpanded;
if (!widget.isReadonly) {
// If initial answers are provided, set _isModifying to false initially
// so the "Modify" button is shown.
if (widget.initialAnswers != null && widget.initialAnswers!.isNotEmpty) {
_isModifying = false;
}
}
// Load initial answers into local state
if (_questions != null) {
_loadCurrentIntoLocalState();
_userHasEdited = false;
}
}
void _initializeFromPollData(SnPollWithStats poll) {
// Initialize answers from poll data if available
if (poll.userAnswer != null && poll.userAnswer!.answer.isNotEmpty) {
_answers = Map<String, dynamic>.from(poll.userAnswer!.answer);
if (!widget.isReadonly && !_isModifying) {
_isModifying = false; // Show modify button if user has answered
}
}
_loadCurrentIntoLocalState();
}
@override
void didUpdateWidget(covariant PollSubmit oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.pollId != widget.pollId) {
_index = 0;
_answers = Map<String, dynamic>.from(widget.initialAnswers ?? {});
// Reset modification state when poll changes
_isModifying = false;
}
}
@override
void dispose() {
_textController.removeListener(_controllerListener);
_textController.dispose();
super.dispose();
}
SnPollQuestion get _current => _questions![_index];
void _loadCurrentIntoLocalState() {
final q = _current;
final saved = _answers[q.id];
if (!_userHasEdited) {
_singleChoiceSelected = null;
_multiChoiceSelected.clear();
_yesNoSelected = null;
_ratingSelected = null;
switch (q.type) {
case SnPollQuestionType.singleChoice:
if (saved is String) _singleChoiceSelected = saved;
break;
case SnPollQuestionType.multipleChoice:
if (saved is List) {
_multiChoiceSelected.addAll(saved.whereType<String>());
}
break;
case SnPollQuestionType.yesNo:
if (saved is bool) _yesNoSelected = saved;
break;
case SnPollQuestionType.rating:
if (saved is int) _ratingSelected = saved;
break;
case SnPollQuestionType.freeText:
if (saved is String) {
_textController.removeListener(_controllerListener);
_textController.text = saved;
_textController.addListener(_controllerListener);
}
break;
}
}
}
bool _isCurrentAnswered() {
final q = _current;
if (!q.isRequired) return true;
switch (q.type) {
case SnPollQuestionType.singleChoice:
return _singleChoiceSelected != null;
case SnPollQuestionType.multipleChoice:
return _multiChoiceSelected.isNotEmpty;
case SnPollQuestionType.yesNo:
return _yesNoSelected != null;
case SnPollQuestionType.rating:
return (_ratingSelected ?? 0) > 0;
case SnPollQuestionType.freeText:
return _textController.text.trim().isNotEmpty;
}
}
void _persistCurrentAnswer() {
final q = _current;
switch (q.type) {
case SnPollQuestionType.singleChoice:
if (_singleChoiceSelected == null) {
_answers.remove(q.id);
} else {
_answers[q.id] = _singleChoiceSelected!;
}
break;
case SnPollQuestionType.multipleChoice:
if (_multiChoiceSelected.isEmpty) {
_answers.remove(q.id);
} else {
_answers[q.id] = _multiChoiceSelected.toList(growable: false);
}
break;
case SnPollQuestionType.yesNo:
if (_yesNoSelected == null) {
_answers.remove(q.id);
} else {
_answers[q.id] = _yesNoSelected!;
}
break;
case SnPollQuestionType.rating:
if (_ratingSelected == null) {
_answers.remove(q.id);
} else {
_answers[q.id] = _ratingSelected!;
}
break;
case SnPollQuestionType.freeText:
final text = _textController.text.trim();
if (text.isEmpty) {
_answers.remove(q.id);
} else {
_answers[q.id] = text;
}
break;
}
}
Future<void> _submitToServer(SnPollWithStats poll) async {
// Persist current question before final submit
_persistCurrentAnswer();
setState(() {
_submitting = true;
});
try {
final dio = ref.read(apiClientProvider);
await dio.post(
'/sphere/polls/${poll.id}/answer',
data: {'answer': _answers},
);
// Refresh poll data to show submitted answer
ref.invalidate(pollWithStatsProvider(widget.pollId));
// Only call onSubmit after server accepts
widget.onSubmit(Map<String, dynamic>.unmodifiable(_answers));
showSnackBar('pollAnswerSubmitted'.tr());
HapticFeedback.heavyImpact();
} catch (e) {
showErrorAlert(e);
} finally {
if (mounted) {
setState(() {
_submitting = false;
});
}
}
}
void _next(SnPollWithStats poll) {
if (_submitting) return;
_persistCurrentAnswer();
if (_index < _questions!.length - 1) {
setState(() {
_index++;
_userHasEdited = false;
_loadCurrentIntoLocalState();
});
} else {
// Final submit to API
_submitToServer(poll);
}
}
void _back() {
if (_submitting) return;
_persistCurrentAnswer();
if (_index > 0) {
setState(() {
_index--;
_userHasEdited = false;
_loadCurrentIntoLocalState();
});
} else {
// at the first question; allow cancel if provided
widget.onCancel?.call();
}
}
Widget _buildHeader(BuildContext context, SnPollWithStats poll) {
final q = _current;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (widget.showProgress &&
_isModifying) // Only show progress when modifying
Text(
'${_index + 1} / ${_questions!.length}',
style: Theme.of(context).textTheme.labelMedium,
),
Row(
children: [
Expanded(
child: Text(
q.title,
style: Theme.of(context).textTheme.titleMedium,
),
),
if (q.isRequired)
Padding(
padding: const EdgeInsets.only(left: 8),
child: Text(
'*',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
color: Theme.of(context).colorScheme.error,
),
),
),
],
),
if (q.description != null)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text(
q.description!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(
context,
).textTheme.bodySmall?.color?.withOpacity(0.7),
),
),
),
],
);
}
Widget _buildStats(
BuildContext context,
SnPollQuestion q,
Map<String, dynamic>? stats,
) {
return PollStatsWidget(question: q, stats: stats);
}
Widget _buildBody(BuildContext context, SnPollWithStats poll) {
final hasUserAnswer =
poll.userAnswer != null && poll.userAnswer!.answer.isNotEmpty;
if (hasUserAnswer && !widget.isReadonly && !_isModifying) {
return const SizedBox.shrink(); // Collapse input fields if already submitted and not modifying
}
final q = _current;
switch (q.type) {
case SnPollQuestionType.singleChoice:
return _buildSingleChoice(context, q);
case SnPollQuestionType.multipleChoice:
return _buildMultipleChoice(context, q);
case SnPollQuestionType.yesNo:
return _buildYesNo(context, q);
case SnPollQuestionType.rating:
return _buildRating(context, q);
case SnPollQuestionType.freeText:
return _buildFreeText(context, q);
}
}
Widget _buildSingleChoice(BuildContext context, SnPollQuestion q) {
final options = [...?q.options]..sort((a, b) => a.order.compareTo(b.order));
return Column(
children: [
for (final opt in options)
RadioListTile<String>(
value: opt.id,
groupValue: _singleChoiceSelected,
onChanged: (val) => setState(() {
_singleChoiceSelected = val;
_userHasEdited = true;
}),
title: Text(opt.label),
subtitle: opt.description != null ? Text(opt.description!) : null,
),
],
);
}
Widget _buildMultipleChoice(BuildContext context, SnPollQuestion q) {
final options = [...?q.options]..sort((a, b) => a.order.compareTo(b.order));
return Column(
children: [
for (final opt in options)
CheckboxListTile(
value: _multiChoiceSelected.contains(opt.id),
onChanged: (val) {
setState(() {
if (val == true) {
_multiChoiceSelected.add(opt.id);
} else {
_multiChoiceSelected.remove(opt.id);
}
_userHasEdited = true;
});
},
title: Text(opt.label),
subtitle: opt.description != null ? Text(opt.description!) : null,
),
],
);
}
Widget _buildYesNo(BuildContext context, SnPollQuestion q) {
return Row(
children: [
Expanded(
child: SegmentedButton<bool>(
segments: [
ButtonSegment(value: true, label: Text('yes'.tr())),
ButtonSegment(value: false, label: Text('no'.tr())),
],
selected: _yesNoSelected == null ? {} : {_yesNoSelected!},
onSelectionChanged: (sel) {
setState(() {
_yesNoSelected = sel.isEmpty ? null : sel.first;
_userHasEdited = true;
});
},
multiSelectionEnabled: false,
emptySelectionAllowed: true,
),
),
],
);
}
Widget _buildRating(BuildContext context, SnPollQuestion q) {
const max = 5;
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: List.generate(max, (i) {
final value = i + 1;
final selected = (_ratingSelected ?? 0) >= value;
return IconButton(
icon: Icon(
selected ? Icons.star : Icons.star_border,
color: selected ? Colors.amber : null,
),
onPressed: () {
setState(() {
_ratingSelected = value;
_userHasEdited = true;
});
},
);
}),
);
}
Widget _buildFreeText(BuildContext context, SnPollQuestion q) {
return TextField(
controller: _textController,
maxLines: 6,
decoration: const InputDecoration(
border: OutlineInputBorder(
borderRadius: BorderRadius.all(Radius.circular(12)),
),
),
);
}
Widget _buildNavBar(BuildContext context, SnPollWithStats poll) {
final isLast = _index == _questions!.length - 1;
final canProceed = _isCurrentAnswered() && !_submitting;
final hasUserAnswer =
poll.userAnswer != null && poll.userAnswer!.answer.isNotEmpty;
if (hasUserAnswer && !_isModifying && !widget.isReadonly) {
// If poll is submitted and not in modification mode, show "Modify" button
return FilledButton.icon(
icon: const Icon(Icons.edit),
label: Text('modifyAnswers'.tr()),
onPressed: () {
setState(() {
_isModifying = true;
_index = 0; // Reset to first question for modification
_userHasEdited = false;
_loadCurrentIntoLocalState();
});
},
);
}
return Row(
children: [
OutlinedButton.icon(
icon: const Icon(Icons.arrow_back),
label: Text(_index == 0 ? 'cancel'.tr() : 'back'.tr()),
onPressed: _submitting
? null
: () {
if (_index == 0 && _isModifying) {
// If at first question and in modification mode, go back to submitted view
setState(() {
_isModifying = false;
});
} else {
_back();
}
},
),
const Spacer(),
FilledButton.icon(
icon: _submitting
? const SizedBox(
width: 16,
height: 16,
child: CircularProgressIndicator(strokeWidth: 2),
)
: Icon(isLast ? Icons.check : Icons.arrow_forward),
label: Text(isLast ? 'submit'.tr() : 'next'.tr()),
onPressed: canProceed ? () => _next(poll) : null,
),
],
);
}
Widget _buildSubmittedView(BuildContext context, SnPollWithStats poll) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
for (final q in _questions!)
Padding(
padding: const EdgeInsets.only(bottom: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: Text(
q.title,
style: Theme.of(context).textTheme.titleMedium,
),
),
if (q.isRequired)
Padding(
padding: const EdgeInsets.only(left: 8),
child: Text(
'*',
style: Theme.of(context).textTheme.titleMedium
?.copyWith(
color: Theme.of(context).colorScheme.error,
),
),
),
],
),
if (q.description != null)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text(
q.description!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(
context,
).textTheme.bodySmall?.color?.withOpacity(0.7),
),
),
),
_buildStats(context, q, poll.stats),
],
),
),
],
);
}
Widget _buildReadonlyView(BuildContext context, SnPollWithStats poll) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (poll.title != null || poll.description != null)
Padding(
padding: const EdgeInsets.only(bottom: 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (poll.title != null)
Text(
poll.title!,
style: Theme.of(context).textTheme.titleLarge,
),
if (poll.description != null)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text(
poll.description!,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
color: Theme.of(
context,
).textTheme.bodyMedium?.color?.withOpacity(0.7),
),
),
),
],
),
),
for (final q in _questions!)
Padding(
padding: const EdgeInsets.only(bottom: 16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: Text(
q.title,
style: Theme.of(context).textTheme.titleMedium,
),
),
if (q.isRequired)
Padding(
padding: const EdgeInsets.only(left: 8),
child: Text(
'*',
style: Theme.of(context).textTheme.titleMedium
?.copyWith(
color: Theme.of(context).colorScheme.error,
),
),
),
],
),
if (q.description != null)
Padding(
padding: const EdgeInsets.only(top: 4),
child: Text(
q.description!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(
context,
).textTheme.bodySmall?.color?.withOpacity(0.7),
),
),
),
_buildStats(context, q, poll.stats),
],
),
),
],
);
}
Widget _buildCollapsedView(BuildContext context, SnPollWithStats poll) {
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (poll.title != null)
Text(
poll.title!,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
if (poll.description != null)
Padding(
padding: const EdgeInsets.only(top: 2),
child: Text(
poll.description!,
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(
context,
).textTheme.bodySmall?.color?.withOpacity(0.7),
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
)
else
Padding(
padding: const EdgeInsets.only(top: 2),
child: Text(
'${_questions!.length} question${_questions!.length == 1 ? '' : 's'}',
style: Theme.of(context).textTheme.bodySmall?.copyWith(
color: Theme.of(
context,
).textTheme.bodySmall?.color?.withOpacity(0.7),
),
),
),
],
),
),
IconButton(
icon: Icon(
_isCollapsed ? Icons.expand_more : Icons.expand_less,
size: 20,
),
onPressed: () {
setState(() {
_isCollapsed = !_isCollapsed;
});
},
visualDensity: VisualDensity.compact,
tooltip: _isCollapsed ? 'expandPoll'.tr() : 'collapsePoll'.tr(),
),
],
),
],
);
}
@override
Widget build(BuildContext context) {
final pollAsync = ref.watch(pollWithStatsProvider(widget.pollId));
return pollAsync.when(
loading: () => const Center(
child: Padding(
padding: EdgeInsets.all(16.0),
child: CircularProgressIndicator(),
),
),
error: (error, stack) => Center(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Text('Failed to load poll: $error'),
),
),
data: (poll) {
// Initialize questions when data is available
_questions = [...poll.questions]
..sort((a, b) => a.order.compareTo(b.order));
// Initialize answers from poll data
_initializeFromPollData(poll);
if (_questions!.isEmpty) {
return const SizedBox.shrink();
}
// If collapsed, show collapsed view for all states
if (_isCollapsed) {
return _buildCollapsedView(context, poll);
}
// If poll is already submitted and not in readonly mode, and not in modification mode, show submitted view
final hasUserAnswer =
poll.userAnswer != null && poll.userAnswer!.answer.isNotEmpty;
if (hasUserAnswer && !widget.isReadonly && !_isModifying) {
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildCollapsedView(context, poll),
const SizedBox(height: 8),
AnimatedSwitcher(
duration: const Duration(milliseconds: 300),
transitionBuilder: (child, anim) {
final offset =
Tween<Offset>(
begin: const Offset(0, -0.1),
end: Offset.zero,
).animate(
CurvedAnimation(parent: anim, curve: Curves.easeOut),
);
final fade = CurvedAnimation(
parent: anim,
curve: Curves.easeOut,
);
return FadeTransition(
opacity: fade,
child: SlideTransition(position: offset, child: child),
);
},
child: Column(
key: const ValueKey('submitted_expanded'),
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildSubmittedView(context, poll),
_buildNavBar(context, poll),
],
),
),
],
);
}
// If poll is in readonly mode, show readonly view
if (widget.isReadonly) {
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildCollapsedView(context, poll),
const SizedBox(height: 8),
AnimatedSwitcher(
duration: const Duration(milliseconds: 300),
transitionBuilder: (child, anim) {
final offset =
Tween<Offset>(
begin: const Offset(0, -0.1),
end: Offset.zero,
).animate(
CurvedAnimation(parent: anim, curve: Curves.easeOut),
);
final fade = CurvedAnimation(
parent: anim,
curve: Curves.easeOut,
);
return FadeTransition(
opacity: fade,
child: SlideTransition(position: offset, child: child),
);
},
child: _buildReadonlyView(context, poll),
),
],
);
}
return Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildCollapsedView(context, poll),
const SizedBox(height: 8),
AnimatedSwitcher(
duration: const Duration(milliseconds: 300),
transitionBuilder: (child, anim) {
final offset = Tween<Offset>(
begin: const Offset(0, -0.1),
end: Offset.zero,
).animate(CurvedAnimation(parent: anim, curve: Curves.easeOut));
final fade = CurvedAnimation(
parent: anim,
curve: Curves.easeOut,
);
return FadeTransition(
opacity: fade,
child: SlideTransition(position: offset, child: child),
);
},
child: Column(
key: const ValueKey('normal_expanded'),
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildHeader(context, poll),
const SizedBox(height: 12),
_AnimatedStep(
key: ValueKey(_current.id),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildBody(context, poll),
_buildStats(context, _current, poll.stats),
],
),
),
const SizedBox(height: 16),
_buildNavBar(context, poll),
],
),
),
],
);
},
);
}
}
/// Simple fade/slide transition between questions.
class _AnimatedStep extends StatelessWidget {
const _AnimatedStep({super.key, required this.child});
final Widget child;
@override
Widget build(BuildContext context) {
return AnimatedSwitcher(
duration: const Duration(milliseconds: 250),
transitionBuilder: (child, anim) {
final offset = Tween<Offset>(
begin: const Offset(0.1, 0),
end: Offset.zero,
).animate(anim);
final fade = CurvedAnimation(parent: anim, curve: Curves.easeInOut);
return FadeTransition(
opacity: fade,
child: SlideTransition(position: offset, child: child),
);
},
child: child,
);
}
}