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feat(animation): анимация реанимация для опросов

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This commit is contained in:
Jganenok
2026-06-12 12:10:44 +07:00
parent 532fae4b39
commit 7cc3ae57aa
1 changed files with 139 additions and 23 deletions
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lib/frontend/widgets/poll_view.dart
+139 -23
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@@ -32,13 +32,32 @@ class PollView extends StatefulWidget {
State<PollView> createState() => _PollViewState();
}
class _PollViewState extends State<PollView> {
class _PollViewState extends State<PollView>
with SingleTickerProviderStateMixin {
final Set<int> _selected = {};
bool _voting = false;
bool _justVoted = false;
bool _resultsShown = false;
late final AnimationController _reveal;
late final CurvedAnimation _morph;
late final CurvedAnimation _fill;
@override
void initState() {
super.initState();
_reveal = AnimationController(
vsync: this,
duration: const Duration(milliseconds: 640),
);
_morph = CurvedAnimation(
parent: _reveal,
curve: const Interval(0.0, 0.55, curve: Curves.easeOutCubic),
);
_fill = CurvedAnimation(
parent: _reveal,
curve: const Interval(0.42, 1.0, curve: Curves.easeOutCubic),
);
pollsModule.fetch(
widget.chatId,
widget.messageId,
@@ -47,6 +66,14 @@ class _PollViewState extends State<PollView> {
);
}
@override
void dispose() {
_morph.dispose();
_fill.dispose();
_reveal.dispose();
super.dispose();
}
Future<void> _vote(List<int> answersIds) async {
if (_voting || answersIds.isEmpty) return;
Haptics.tap();
@@ -60,7 +87,10 @@ class _PollViewState extends State<PollView> {
if (!mounted) return;
setState(() {
_voting = false;
if (ok) _selected.clear();
if (ok) {
_justVoted = true;
_selected.clear();
}
});
if (!ok) {
showCustomNotification(context, 'Не удалось проголосовать');
@@ -84,6 +114,17 @@ class _PollViewState extends State<PollView> {
: (widget.fallbackTitle ?? 'Опрос');
final showResults = poll != null && poll.votedBy(widget.myId);
if (showResults && !_resultsShown) {
_resultsShown = true;
if (_justVoted) {
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) _reveal.forward(from: 0.0);
});
} else {
_reveal.value = 1.0;
}
}
return ConstrainedBox(
constraints: const BoxConstraints(minWidth: 220, maxWidth: 280),
child: Column(
@@ -105,7 +146,23 @@ class _PollViewState extends State<PollView> {
),
const SizedBox(height: 10),
if (poll != null && showResults)
...poll.answers.map((a) => _buildResultRow(a, poll.total)),
RepaintBoundary(
child: AnimatedBuilder(
animation: _reveal,
builder: (context, _) {
final m = _morph.value;
final f = _fill.value;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
for (final a in poll.answers)
_buildResultRow(a, poll.total, poll.isMultiple, m, f),
],
);
},
),
),
if (poll != null && !showResults) ...[
...poll.answers.map((a) => _buildChoiceRow(a, poll.isMultiple)),
if (poll.isMultiple) _buildVoteButton(),
@@ -208,9 +265,28 @@ class _PollViewState extends State<PollView> {
);
}
Widget _buildResultRow(PollAnswer answer, int total) {
Widget _buildResultRow(
PollAnswer answer,
int total,
bool multiple,
double m,
double f,
) {
final pct = total > 0 ? answer.voteCount / total : 0.0;
final pctLabel = '${(answer.rate > 0 ? answer.rate : pct * 100).round()}%';
final value = answer.rate > 0 ? (answer.rate / 100.0).clamp(0.0, 1.0) : pct;
final pctLabel =
'${(answer.rate > 0 ? answer.rate : pct * 100).round()}%';
final leadWidth = 30.0 * (1 - m);
final dotOpacity = (1 - m * 1.8).clamp(0.0, 1.0);
final fillFactor = (value * f).clamp(0.0, 1.0);
final dotIcon = multiple
? (answer.mine ? Symbols.check_box : Symbols.check_box_outline_blank)
: (answer.mine
? Symbols.radio_button_checked
: Symbols.radio_button_unchecked);
final dotColor = answer.mine ? widget.accentColor : widget.dimColor;
return Padding(
padding: const EdgeInsets.only(bottom: 8),
@@ -219,34 +295,74 @@ class _PollViewState extends State<PollView> {
children: [
Row(
children: [
ClipRect(
child: SizedBox(
width: leadWidth,
child: Align(
alignment: Alignment.centerLeft,
child: Opacity(
opacity: dotOpacity,
child: Icon(dotIcon, size: 20, color: dotColor),
),
),
),
),
Expanded(
child: Text(
answer.text,
style: TextStyle(color: widget.textColor, fontSize: 14),
),
),
if (answer.mine) ...[
Icon(Symbols.check_circle, size: 14, color: widget.accentColor),
const SizedBox(width: 4),
],
Text(
pctLabel,
style: TextStyle(
color: widget.dimColor,
fontSize: 13,
fontWeight: FontWeight.w600,
ClipRect(
child: Align(
alignment: Alignment.centerRight,
widthFactor: m,
child: Opacity(
opacity: m,
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
if (answer.mine) ...[
Icon(
Symbols.check_circle,
size: 14,
color: widget.accentColor,
),
const SizedBox(width: 4),
],
Text(
pctLabel,
style: TextStyle(
color: widget.dimColor,
fontSize: 13,
fontWeight: FontWeight.w600,
),
),
],
),
),
),
),
],
),
const SizedBox(height: 4),
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: pct,
minHeight: 6,
backgroundColor: widget.dimColor.withValues(alpha: 0.2),
valueColor: AlwaysStoppedAnimation<Color>(widget.accentColor),
ClipRect(
child: Align(
alignment: Alignment.topLeft,
heightFactor: m,
widthFactor: m,
child: Padding(
padding: const EdgeInsets.only(top: 6),
child: ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: fillFactor,
minHeight: 6,
backgroundColor: widget.dimColor.withValues(alpha: 0.2),
valueColor:
AlwaysStoppedAnimation<Color>(widget.accentColor),
),
),
),
),
),
],