339 lines
10 KiB
Dart
339 lines
10 KiB
Dart
// Author: fruit.com.cn
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../core/data/services/catalog_controller.dart';
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import '../../core/theme/app_colors.dart';
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import '../../core/widgets/app_pull_to_refresh.dart';
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import '../../core/widgets/subpage_header.dart';
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import '../../l10n/app_localizations.dart';
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import '../new_releases/new_releases_page.dart';
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const double _ticketRadius = 20;
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const double _notchSize = 24;
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const Color _ticketDash = Color(0x66FF7A1A);
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/// 预约页：档期周历 + 电影票式空态 + 预约权益说明。
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class ReservePage extends StatefulWidget {
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const ReservePage({super.key});
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@override
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State<ReservePage> createState() => _ReservePageState();
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}
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class _ReservePageState extends State<ReservePage> {
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late final List<DateTime> _week;
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late int _selected;
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@override
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void initState() {
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super.initState();
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final today = DateTime.now();
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final monday = today.subtract(Duration(days: today.weekday - 1));
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_week = [
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for (var index = 0; index < 7; index++) monday.add(Duration(days: index)),
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];
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_selected = today.weekday - 1;
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}
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@override
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Widget build(BuildContext context) {
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final l10n = AppLocalizations.of(context)!;
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return Scaffold(
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key: const Key('reserve-page'),
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backgroundColor: AppColors.ink,
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body: SafeArea(
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child: AppPullToRefresh(
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key: const Key('reserve-refresh'),
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onRefresh: _refresh,
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child: ListView(
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key: const Key('reserve-list'),
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physics: AppPullToRefresh.physics,
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padding: const EdgeInsets.fromLTRB(0, 4, 0, 24),
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children: [
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AppSubpageHeader(
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title: l10n.reserveTitle,
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subtitle: l10n.reserveSubtitle,
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backKey: const Key('reserve-back'),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 8, 16, 0),
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child: _weekStrip(l10n),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
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child: _ticketCard(context, l10n),
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),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 24, 16, 0),
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child: _steps(l10n),
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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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}
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Future<void> _refresh() async {
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await context.read<CatalogController>().refresh();
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}
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Widget _weekStrip(AppLocalizations l10n) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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l10n.reserveWeek,
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 13,
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fontWeight: FontWeight.w700,
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),
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),
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const SizedBox(height: 8),
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SizedBox(
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key: const Key('reserve-week-strip'),
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height: 56,
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child: Row(
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children: [
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for (var index = 0; index < _week.length; index++) ...[
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if (index > 0) const SizedBox(width: 6),
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Expanded(child: _dayCapsule(index)),
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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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}
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Widget _dayCapsule(int index) {
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final date = _week[index];
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final selected = _selected == index;
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final weekdays = ['一', '二', '三', '四', '五', '六', '日'];
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return GestureDetector(
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key: Key('reserve-day-$index'),
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behavior: HitTestBehavior.opaque,
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onTap: () => setState(() => _selected = index),
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child: Container(
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decoration: BoxDecoration(
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color: selected ? AppColors.blue : AppColors.card,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(
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color: selected ? AppColors.blue : AppColors.border,
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),
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),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text(
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weekdays[date.weekday - 1],
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style: TextStyle(
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color: selected ? Colors.white : AppColors.muted,
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fontSize: 11,
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fontWeight: FontWeight.w600,
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),
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),
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const SizedBox(height: 2),
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Text(
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'${date.day}',
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style: TextStyle(
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color: selected ? Colors.white : AppColors.onSurface,
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fontSize: 15,
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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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),
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);
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}
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Widget _ticketCard(BuildContext context, AppLocalizations l10n) {
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return LayoutBuilder(
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builder: (context, constraints) => Stack(
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clipBehavior: Clip.none,
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children: [
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Container(
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key: const Key('reserve-empty'),
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(28, 26, 28, 22),
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decoration: BoxDecoration(
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color: AppColors.card,
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borderRadius: BorderRadius.circular(_ticketRadius),
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),
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child: Column(
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children: [
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Container(
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width: 56,
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height: 56,
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decoration: const BoxDecoration(
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color: AppColors.raised,
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shape: BoxShape.circle,
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),
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child: const Icon(
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Icons.notifications_active_rounded,
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color: AppColors.blue,
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size: 32,
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),
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),
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const SizedBox(height: 12),
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Text(
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l10n.reserveEmptyTitle,
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 17,
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fontWeight: FontWeight.w800,
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),
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),
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const SizedBox(height: 6),
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Text(
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l10n.reserveEmptyHint,
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maxLines: 2,
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textAlign: TextAlign.center,
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style: const TextStyle(color: AppColors.muted, fontSize: 12),
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),
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const SizedBox(height: 16),
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SizedBox(
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height: 40,
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child: FilledButton(
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key: const Key('reserve-go-new'),
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onPressed: () => Navigator.of(context).push<void>(
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MaterialPageRoute(
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builder: (_) => const NewReleasesPage(),
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),
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),
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style: FilledButton.styleFrom(
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backgroundColor: AppColors.blue,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: Text(
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l10n.goNewReleases,
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style: const TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w700,
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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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),
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Positioned(left: -_notchSize / 2, top: 120, child: _notch()),
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Positioned(right: -_notchSize / 2, top: 120, child: _notch()),
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Positioned.fill(
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child: IgnorePointer(
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child: CustomPaint(painter: _DashedTicketPainter()),
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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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Widget _notch() {
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return Container(
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width: _notchSize,
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height: _notchSize,
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decoration: const BoxDecoration(
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color: AppColors.ink,
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shape: BoxShape.circle,
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),
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);
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}
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Widget _steps(AppLocalizations l10n) {
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final steps = [l10n.reserveStep1, l10n.reserveStep2, l10n.reserveStep3];
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return Column(
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key: const Key('reserve-steps'),
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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l10n.reserveStepsTitle,
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 16,
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fontWeight: FontWeight.w800,
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),
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),
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const SizedBox(height: 10),
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for (var index = 0; index < steps.length; index++) ...[
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if (index > 0) const SizedBox(height: 8),
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Container(
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key: Key('reserve-step-${index + 1}'),
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: AppColors.card,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: AppColors.border),
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),
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child: Row(
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children: [
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Container(
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width: 22,
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height: 22,
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alignment: Alignment.center,
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decoration: const BoxDecoration(
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color: AppColors.blue,
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shape: BoxShape.circle,
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),
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child: Text(
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'${index + 1}',
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style: const TextStyle(
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color: Colors.white,
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fontSize: 12,
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fontWeight: FontWeight.w800,
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),
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),
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),
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const SizedBox(width: 10),
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Text(
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steps[index],
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style: const TextStyle(
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color: AppColors.onSurface,
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fontSize: 14,
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fontWeight: FontWeight.w600,
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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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],
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);
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}
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}
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class _DashedTicketPainter extends CustomPainter {
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@override
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void paint(Canvas canvas, Size size) {
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final paint = Paint()
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..color = _ticketDash
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..style = PaintingStyle.stroke
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..strokeWidth = 1;
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final path = Path()
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..addRRect(
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RRect.fromRectAndRadius(
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Offset.zero & size,
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const Radius.circular(_ticketRadius),
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),
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);
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for (final metric in path.computeMetrics()) {
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var distance = 0.0;
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while (distance < metric.length) {
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final next = (distance + 6).clamp(0.0, metric.length);
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canvas.drawPath(metric.extractPath(distance, next), paint);
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distance = next + 4;
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}
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}
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}
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@override
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bool shouldRepaint(covariant _DashedTicketPainter oldDelegate) => false;
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}
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