353 lines
10 KiB
Dart
353 lines
10 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:intl/intl.dart';
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import '../services/teacher_api.dart';
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import '../widgets/yogibook_background.dart';
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/// Scelta della classe destinazione per riprogrammare una prenotazione.
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/// Ritorna `true` (via Navigator.pop) se la riprogrammazione è avvenuta.
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class TeacherReprogramPage extends StatefulWidget {
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final String token;
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final int bookingId;
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final String participantName;
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const TeacherReprogramPage({
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super.key,
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required this.token,
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required this.bookingId,
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required this.participantName,
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});
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@override
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State<TeacherReprogramPage> createState() => _TeacherReprogramPageState();
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}
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class _TeacherReprogramPageState extends State<TeacherReprogramPage> {
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static const Color kGreen = Color(0xFF10B981);
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bool _loading = true;
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String _error = '';
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List<TeacherClass> _classes = [];
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int? _selectedScheduleId;
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bool _countAsReprogram = true; // default: conta come riprogrammazione
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bool _submitting = false;
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@override
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void initState() {
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super.initState();
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_load();
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}
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Future<void> _load() async {
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setState(() {
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_loading = true;
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_error = '';
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});
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try {
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final data = await TeacherApi.availableClasses(
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token: widget.token,
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bookingId: widget.bookingId,
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);
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setState(() => _classes = data);
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} catch (e) {
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setState(() => _error = 'Errore: $e');
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} finally {
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if (mounted) setState(() => _loading = false);
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}
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}
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String _fmt(String iso) {
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final dt = DateTime.tryParse(iso);
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if (dt == null) return iso;
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final s = DateFormat("EEE d MMM yyyy, HH:mm", 'it_IT').format(dt);
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return s[0].toUpperCase() + s.substring(1);
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}
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void _snack(String msg) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
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}
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Future<void> _confirm() async {
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if (_selectedScheduleId == null) {
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_snack('Seleziona una classe di destinazione.');
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return;
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}
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setState(() => _submitting = true);
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try {
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await TeacherApi.reprogram(
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token: widget.token,
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bookingId: widget.bookingId,
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scheduleId: _selectedScheduleId!,
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countAsReprogram: _countAsReprogram,
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);
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if (!mounted) return;
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Navigator.pop(context, true); // segnala successo al chiamante
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} catch (e) {
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_snack('$e');
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setState(() => _submitting = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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centerTitle: true,
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title: const Text(
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'Riprogramma',
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style: TextStyle(fontWeight: FontWeight.w800, fontSize: 18),
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),
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),
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body: YogibookBackground(
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child: SafeArea(
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top: false,
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child: _loading
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? const Center(child: CircularProgressIndicator())
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: _error.isNotEmpty
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? _errorBox()
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: Column(
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 8, 16, 4),
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child: _headerInfo(),
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),
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Expanded(
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child: _classes.isEmpty
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? _emptyBox()
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: ListView.builder(
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padding: const EdgeInsets.fromLTRB(16, 4, 16, 12),
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itemCount: _classes.length,
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itemBuilder: (_, i) => _classTile(_classes[i]),
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),
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),
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_bottomBar(),
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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 _headerInfo() {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(14),
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boxShadow: const [
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BoxShadow(
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blurRadius: 12,
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color: Color(0x0F000000),
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offset: Offset(0, 6),
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),
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],
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),
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child: Row(
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children: [
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const Icon(Icons.person, size: 20, color: Colors.black45),
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const SizedBox(width: 10),
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Expanded(
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child: Text(
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'Sposta la lezione di ${widget.participantName}',
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style: const TextStyle(fontWeight: FontWeight.w700, fontSize: 14),
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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 _classTile(TeacherClass c) {
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final selected = _selectedScheduleId == c.scheduleId;
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return GestureDetector(
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onTap: () => setState(() => _selectedScheduleId = c.scheduleId),
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child: Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(14),
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border: Border.all(
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color: selected ? kGreen : const Color(0x14000000),
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width: selected ? 2 : 1,
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),
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boxShadow: const [
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BoxShadow(
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blurRadius: 10,
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color: Color(0x0A000000),
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offset: Offset(0, 4),
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),
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],
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),
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child: Row(
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children: [
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Icon(
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selected
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? Icons.radio_button_checked
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: Icons.radio_button_unchecked,
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color: selected ? kGreen : Colors.black26,
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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c.className,
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style: const TextStyle(
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fontWeight: FontWeight.w800,
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fontSize: 15,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 4),
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Text(
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_fmt(c.dateTime),
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style: const TextStyle(
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fontSize: 12,
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color: Color(0xFF606060),
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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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const SizedBox(width: 8),
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Text(
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'${c.bookedCount}/${c.maxCapacity}',
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style: const TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w800,
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color: Color(0xFF1A7F52),
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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 _bottomBar() {
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return Container(
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padding: const EdgeInsets.fromLTRB(16, 10, 16, 16),
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decoration: const BoxDecoration(
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color: Colors.white,
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boxShadow: [
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BoxShadow(
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blurRadius: 16,
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color: Color(0x14000000),
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offset: Offset(0, -6),
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),
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],
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),
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child: SafeArea(
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top: false,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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SwitchListTile(
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contentPadding: EdgeInsets.zero,
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activeColor: kGreen,
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value: _countAsReprogram,
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onChanged: _submitting
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? null
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: (v) => setState(() => _countAsReprogram = v),
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title: const Text(
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'Conta come riprogrammazione',
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style: TextStyle(fontWeight: FontWeight.w700, fontSize: 14),
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),
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subtitle: const Text(
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'Se attivo, incrementa il contatore riprogrammazioni dell\'ordine.',
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style: TextStyle(fontSize: 12),
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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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width: double.infinity,
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height: 48,
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child: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: kGreen,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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onPressed: _submitting ? null : _confirm,
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child: _submitting
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? const SizedBox(
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height: 18,
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width: 18,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: const Text(
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'Conferma riprogrammazione',
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style: TextStyle(
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fontWeight: FontWeight.w900,
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color: Colors.white,
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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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Widget _emptyBox() {
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return const Center(
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child: Padding(
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padding: EdgeInsets.all(24),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.event_busy, size: 56, color: Colors.black26),
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SizedBox(height: 12),
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Text(
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'Nessuna classe disponibile',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w800,
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color: Colors.black54,
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),
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),
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SizedBox(height: 6),
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Text(
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'Non ci sono classi future con posti liberi\nper questo allievo.',
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textAlign: TextAlign.center,
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style: TextStyle(color: Colors.black45),
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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 _errorBox() {
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(18),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.error_outline, size: 56, color: Colors.redAccent),
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const SizedBox(height: 10),
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Text(_error, textAlign: TextAlign.center),
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const SizedBox(height: 12),
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ElevatedButton(onPressed: _load, child: const Text('Riprova')),
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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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