feat: riscrivi app in Flutter
Riscrittura completa da Vue 3 + Capacitor a Flutter/Dart. Architettura feature-based (lib/features/): - meal_planner: modello MealPlan/DayPlan, provider, pagina e widget - converter: modello ConversionEntry, provider con ricerca, pagina - shopping_list: modello ShoppingItem, provider con deduplicazione, pagina e widget Core: - Material 3 con seed color #2d6a4f - NavigationBar + IndexedStack (preserva stato dei tab) - Portrait lock via SystemChrome - Persistenza con shared_preferences - 50+ alimenti × metodi cottura in assets/data/conversions.json Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../providers/shopping_list_provider.dart';
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import '../widgets/shopping_item_tile.dart';
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import '../../../../shared/widgets/empty_state.dart';
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class ShoppingListPage extends StatefulWidget {
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const ShoppingListPage({super.key});
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@override
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State<ShoppingListPage> createState() => _ShoppingListPageState();
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}
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class _ShoppingListPageState extends State<ShoppingListPage> {
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final _controller = TextEditingController();
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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void _add() {
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final text = _controller.text.trim();
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if (text.isEmpty) return;
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context.read<ShoppingListProvider>().add(text);
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_controller.clear();
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}
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Future<void> _confirmClear() async {
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final ok = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('Svuota lista'),
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content: const Text('Svuotare tutta la lista della spesa?'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('Annulla'),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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style: TextButton.styleFrom(
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foregroundColor: Theme.of(ctx).colorScheme.error,
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),
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child: const Text('Svuota'),
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),
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],
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),
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);
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if (ok == true && mounted) {
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context.read<ShoppingListProvider>().clearAll();
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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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final theme = Theme.of(context);
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final provider = context.watch<ShoppingListProvider>();
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 56, 16, 8),
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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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'Lista della spesa',
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style: theme.textTheme.headlineSmall
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?.copyWith(fontWeight: FontWeight.bold),
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),
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if (provider.items.isNotEmpty)
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Text(
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'${provider.checkedItems.length} / ${provider.items.length} '
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'completat${provider.checkedItems.length == 1 ? 'o' : 'i'}',
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style: theme.textTheme.bodyMedium?.copyWith(
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color: theme.colorScheme.onSurface.withValues(alpha: 0.6),
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),
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),
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],
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),
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),
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// Add row
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
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child: Row(
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children: [
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Expanded(
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child: TextField(
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controller: _controller,
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decoration:
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const InputDecoration(hintText: 'Aggiungi elemento…'),
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onSubmitted: (_) => _add(),
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textInputAction: TextInputAction.done,
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),
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),
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const SizedBox(width: 8),
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FilledButton(
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onPressed: _add,
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style: FilledButton.styleFrom(
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minimumSize: const Size(52, 52),
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padding: EdgeInsets.zero,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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child: const Icon(Icons.add),
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),
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],
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),
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),
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Expanded(
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child: provider.items.isEmpty
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? const EmptyState(
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icon: Icons.shopping_cart_outlined,
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title: 'Lista vuota',
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subtitle: 'Aggiungi qualcosa con il campo qui sopra.',
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)
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: ListView(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
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children: [
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// Pending items
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if (provider.pendingItems.isNotEmpty)
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Card(
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margin: EdgeInsets.zero,
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child: Column(
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children: [
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for (int i = 0;
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i < provider.pendingItems.length;
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i++) ...[
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if (i > 0)
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const Divider(
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height: 1, indent: 16, endIndent: 16),
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ShoppingItemTile(
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item: provider.pendingItems[i],
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onToggle: () => context
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.read<ShoppingListProvider>()
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.toggle(provider.pendingItems[i].id),
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onRemove: () => context
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.read<ShoppingListProvider>()
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.remove(provider.pendingItems[i].id),
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),
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],
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],
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),
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),
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// Checked section
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if (provider.checkedItems.isNotEmpty) ...[
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 12),
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child: Row(
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children: [
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Text(
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'COMPLETATI (${provider.checkedItems.length})',
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style: theme.textTheme.labelSmall?.copyWith(
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fontWeight: FontWeight.w700,
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letterSpacing: 0.8,
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color: theme.colorScheme.onSurface
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.withValues(alpha: 0.5),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: Divider(
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color: theme.colorScheme.outline
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.withValues(alpha: 0.4),
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),
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),
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],
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),
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),
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Card(
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margin: EdgeInsets.zero,
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child: Column(
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children: [
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for (int i = 0;
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i < provider.checkedItems.length;
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i++) ...[
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if (i > 0)
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const Divider(
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height: 1, indent: 16, endIndent: 16),
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ShoppingItemTile(
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item: provider.checkedItems[i],
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onToggle: () => context
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.read<ShoppingListProvider>()
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.toggle(provider.checkedItems[i].id),
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onRemove: () => context
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.read<ShoppingListProvider>()
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.remove(provider.checkedItems[i].id),
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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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const SizedBox(height: 16),
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OutlinedButton(
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onPressed: _confirmClear,
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style: OutlinedButton.styleFrom(
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foregroundColor: theme.colorScheme.error,
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side: BorderSide(
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color: theme.colorScheme.error.withValues(alpha: 0.4),
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),
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minimumSize: const Size(double.infinity, 48),
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),
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child: const Text('Svuota lista'),
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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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@@ -0,0 +1,56 @@
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import 'package:flutter/material.dart';
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import '../../models/shopping_item.dart';
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class ShoppingItemTile extends StatelessWidget {
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final ShoppingItem item;
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final VoidCallback onToggle;
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final VoidCallback onRemove;
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const ShoppingItemTile({
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super.key,
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required this.item,
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required this.onToggle,
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required this.onRemove,
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});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final muted = theme.colorScheme.onSurface.withValues(alpha: 0.35);
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return InkWell(
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onTap: onToggle,
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
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child: Row(
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children: [
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Checkbox(
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value: item.checked,
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onChanged: (_) => onToggle(),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(4),
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),
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),
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Expanded(
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child: Text(
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item.name,
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style: item.checked
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? theme.textTheme.bodyMedium?.copyWith(
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decoration: TextDecoration.lineThrough,
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color: muted,
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)
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: theme.textTheme.bodyMedium,
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),
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),
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IconButton(
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onPressed: onRemove,
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icon: const Icon(Icons.close, size: 16),
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visualDensity: VisualDensity.compact,
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color: muted,
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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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