Initialer Commit: Projekt Start
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Tim Leikauf
259
lib/screens/product_detail_screen.dart
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259
lib/screens/product_detail_screen.dart
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import '../models/product.dart';
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import '../providers/cart_provider.dart';
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class ProductDetailScreen extends StatelessWidget {
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final Product product;
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const ProductDetailScreen({
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super.key,
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required this.product,
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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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title: Text(product.name),
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),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Produktbild
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if (product.imageUrl != null)
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SizedBox(
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height: 300,
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width: double.infinity,
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child: CachedNetworkImage(
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imageUrl: product.imageUrl!,
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fit: BoxFit.cover,
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placeholder: (context, url) => const Center(
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child: CircularProgressIndicator(),
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),
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errorWidget: (context, url, error) => Container(
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color: Colors.grey[300],
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child: const Icon(Icons.image_not_supported, size: 64),
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),
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),
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)
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else
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Container(
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height: 300,
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width: double.infinity,
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color: Colors.grey[300],
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child: const Icon(Icons.image_not_supported, size: 64),
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),
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Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Produktname
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Text(
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product.name,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 16),
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// Preis
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Row(
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children: [
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if (product.isOnSale) ...[
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Text(
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'${product.regularPrice} €',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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decoration: TextDecoration.lineThrough,
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color: Colors.grey,
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),
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),
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const SizedBox(width: 8),
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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),
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decoration: BoxDecoration(
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color: Colors.red,
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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'Sale',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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),
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],
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const Spacer(),
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Text(
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'${product.price} €',
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style: Theme.of(context).textTheme.headlineMedium?.copyWith(
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color: const Color(0xFF8B6F47),
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fontWeight: FontWeight.bold,
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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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// Verfügbarkeit
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Row(
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children: [
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Icon(
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product.inStock ? Icons.check_circle : Icons.cancel,
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color: product.inStock ? Colors.green : Colors.red,
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size: 20,
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),
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const SizedBox(width: 8),
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Text(
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product.inStock
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? 'Auf Lager'
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: 'Nicht verfügbar',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: product.inStock ? Colors.green : Colors.red,
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),
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),
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],
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),
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const SizedBox(height: 24),
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// Beschreibung
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if (product.description.isNotEmpty) ...[
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Text(
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'Beschreibung',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 8),
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Text(
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product.description.replaceAll(RegExp(r'<[^>]*>'), ''),
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style: Theme.of(context).textTheme.bodyMedium,
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),
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const SizedBox(height: 24),
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],
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// Zusätzliche Bilder
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if (product.images.length > 1) ...[
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Text(
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'Weitere Bilder',
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style: Theme.of(context).textTheme.titleLarge?.copyWith(
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fontWeight: FontWeight.bold,
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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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height: 100,
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child: ListView.builder(
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scrollDirection: Axis.horizontal,
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itemCount: product.images.length,
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itemBuilder: (context, index) {
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return Padding(
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padding: const EdgeInsets.only(right: 8),
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child: CachedNetworkImage(
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imageUrl: product.images[index],
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width: 100,
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fit: BoxFit.cover,
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placeholder: (context, url) => Container(
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width: 100,
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color: Colors.grey[300],
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child: const Center(
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child: CircularProgressIndicator(),
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),
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),
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errorWidget: (context, url, error) => Container(
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width: 100,
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color: Colors.grey[300],
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child: const Icon(Icons.image_not_supported),
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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: 24),
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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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bottomNavigationBar: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withOpacity(0.1),
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blurRadius: 4,
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offset: const Offset(0, -2),
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),
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],
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),
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child: Consumer<CartProvider>(
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builder: (context, cart, child) {
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final cartItem = cart.items.firstWhere(
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(item) => item.product.id == product.id,
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orElse: () => CartItem(product: product, quantity: 0),
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);
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return Row(
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children: [
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if (cartItem.quantity > 0) ...[
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IconButton(
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icon: const Icon(Icons.remove_circle_outline),
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onPressed: () => cart.removeItem(product),
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),
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Text(
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'${cartItem.quantity}',
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style: Theme.of(context).textTheme.titleLarge,
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),
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IconButton(
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icon: const Icon(Icons.add_circle_outline),
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onPressed: () => cart.addItem(product),
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),
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] else
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Expanded(
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child: ElevatedButton(
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onPressed: product.inStock
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? () {
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cart.addItem(product);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('${product.name} zum Warenkorb hinzugefügt'),
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duration: const Duration(seconds: 2),
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),
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);
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}
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: null,
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFF8B6F47),
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8),
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),
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),
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child: Text(
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product.inStock ? 'Zum Warenkorb hinzufügen' : 'Nicht verfügbar',
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style: const TextStyle(fontSize: 16),
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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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}
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