Files
worker/lib/features/cart/presentation/widgets/cart_item_widget.dart
Phuoc Nguyen b5f90c364d update icon
2025-11-14 18:02:37 +07:00

360 lines
12 KiB
Dart

/// Cart Item Widget
///
/// Displays a single item in the cart with checkbox, image, details, and quantity controls.
library;
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:font_awesome_flutter/font_awesome_flutter.dart';
import 'package:intl/intl.dart';
import 'package:worker/core/theme/colors.dart';
import 'package:worker/core/theme/typography.dart';
import 'package:worker/features/cart/presentation/providers/cart_provider.dart';
import 'package:worker/features/cart/presentation/providers/cart_state.dart';
/// Cart Item Widget
///
/// Displays:
/// - Checkbox for selection (left side, aligned to top)
/// - Product image (100x100, rounded)
/// - Product name and price
/// - Quantity controls (-, text field for input, +, unit label)
/// - Converted quantity display: "(Quy đổi: X.XX m² = Y viên)"
class CartItemWidget extends ConsumerStatefulWidget {
final CartItemData item;
const CartItemWidget({super.key, required this.item});
@override
ConsumerState<CartItemWidget> createState() => _CartItemWidgetState();
}
class _CartItemWidgetState extends ConsumerState<CartItemWidget> {
late TextEditingController _quantityController;
late FocusNode _quantityFocusNode;
@override
void initState() {
super.initState();
_quantityController = TextEditingController(
text: widget.item.quantity.toStringAsFixed(0),
);
_quantityFocusNode = FocusNode();
}
@override
void didUpdateWidget(CartItemWidget oldWidget) {
super.didUpdateWidget(oldWidget);
// Update text field when quantity changes from outside (increment/decrement buttons)
if (widget.item.quantity != oldWidget.item.quantity) {
_quantityController.text = widget.item.quantity.toStringAsFixed(0);
}
}
@override
void dispose() {
_quantityController.dispose();
_quantityFocusNode.dispose();
super.dispose();
}
void _handleQuantitySubmit(String value) {
final newQuantity = double.tryParse(value);
if (newQuantity != null && newQuantity >= 1) {
ref
.read(cartProvider.notifier)
.updateQuantity(widget.item.product.productId, newQuantity);
} else {
// Invalid input, reset to current quantity
_quantityController.text = widget.item.quantity.toStringAsFixed(0);
}
_quantityFocusNode.unfocus();
}
@override
Widget build(BuildContext context) {
final cartState = ref.watch(cartProvider);
final isSelected =
cartState.selectedItems[widget.item.product.productId] ?? false;
final currencyFormatter = NumberFormat.currency(
locale: 'vi_VN',
symbol: 'đ',
decimalDigits: 0,
);
return Container(
margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: AppColors.white,
borderRadius: BorderRadius.circular(12),
boxShadow: [
BoxShadow(
color: Colors.black.withValues(alpha: 0.05),
blurRadius: 4,
offset: const Offset(0, 2),
),
],
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Checkbox (aligned to top, ~50px from top to match HTML)
Padding(
padding: const EdgeInsets.only(top: 34),
child: _CustomCheckbox(
value: isSelected,
onChanged: (value) {
ref
.read(cartProvider.notifier)
.toggleSelection(widget.item.product.productId);
},
),
),
const SizedBox(width: 12),
// Product Image (bigger: 100x100)
ClipRRect(
borderRadius: BorderRadius.circular(8),
child: CachedNetworkImage(
imageUrl: widget.item.product.thumbnail,
width: 100,
height: 100,
fit: BoxFit.cover,
placeholder: (context, url) => Container(
width: 100,
height: 100,
color: AppColors.grey100,
child: const Center(
child: CircularProgressIndicator(strokeWidth: 2),
),
),
errorWidget: (context, url, error) => Container(
width: 100,
height: 100,
color: AppColors.grey100,
child: const FaIcon(
FontAwesomeIcons.image,
color: AppColors.grey500,
size: 32,
),
),
),
),
const SizedBox(width: 12),
// Product Info
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Product Name
Text(
widget.item.product.name,
style: AppTypography.titleMedium.copyWith(
fontWeight: FontWeight.w600,
fontSize: 15,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
// Price
Text(
'${currencyFormatter.format(widget.item.product.basePrice)}/${widget.item.product.unit ?? ''}',
style: AppTypography.titleMedium.copyWith(
color: AppColors.primaryBlue,
fontWeight: FontWeight.bold,
fontSize: 16,
),
),
const SizedBox(height: 8),
// Quantity Controls
Row(
children: [
// Decrease button
_QuantityButton(
icon: FontAwesomeIcons.minus,
onPressed: () {
ref
.read(cartProvider.notifier)
.decrementQuantity(widget.item.product.productId);
},
),
const SizedBox(width: 8),
// Quantity TextField
SizedBox(
width: 50,
height: 32,
child: TextField(
controller: _quantityController,
focusNode: _quantityFocusNode,
keyboardType: TextInputType.number,
textAlign: TextAlign.center,
style: AppTypography.titleMedium.copyWith(
fontWeight: FontWeight.w600,
fontSize: 16,
),
decoration: InputDecoration(
contentPadding: EdgeInsets.zero,
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(6),
borderSide: const BorderSide(
color: Color(0xFFE0E0E0),
width: 1,
),
),
enabledBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(6),
borderSide: const BorderSide(
color: Color(0xFFE0E0E0),
width: 1,
),
),
focusedBorder: OutlineInputBorder(
borderRadius: BorderRadius.circular(6),
borderSide: const BorderSide(
color: AppColors.primaryBlue,
width: 2,
),
),
),
onSubmitted: _handleQuantitySubmit,
onEditingComplete: () {
_handleQuantitySubmit(_quantityController.text);
},
),
),
const SizedBox(width: 8),
// Increase button
_QuantityButton(
icon: FontAwesomeIcons.plus,
onPressed: () {
ref
.read(cartProvider.notifier)
.incrementQuantity(widget.item.product.productId);
},
),
const SizedBox(width: 8),
// Unit label
Text(
widget.item.product.unit ?? '',
style: AppTypography.bodySmall.copyWith(
color: AppColors.grey500,
),
),
],
),
const SizedBox(height: 4),
// Converted Quantity Display
RichText(
text: TextSpan(
style: AppTypography.bodySmall.copyWith(
color: AppColors.grey500,
fontSize: 13,
),
children: [
const TextSpan(text: '(Quy đổi: '),
TextSpan(
text:
'${widget.item.quantityConverted.toStringAsFixed(2)} ${widget.item.product.unit ?? ''}',
style: const TextStyle(fontWeight: FontWeight.bold),
),
const TextSpan(text: ' = '),
TextSpan(
text: '${widget.item.boxes} viên',
style: const TextStyle(fontWeight: FontWeight.bold),
),
const TextSpan(text: ')'),
],
),
),
],
),
),
],
),
);
}
}
/// Custom Checkbox Widget
///
/// Matches HTML design with 20px size, 6px radius, blue when checked.
class _CustomCheckbox extends StatelessWidget {
final bool value;
final ValueChanged<bool?>? onChanged;
const _CustomCheckbox({required this.value, this.onChanged});
@override
Widget build(BuildContext context) {
return GestureDetector(
onTap: () => onChanged?.call(!value),
child: Container(
width: 20,
height: 20,
decoration: BoxDecoration(
color: value ? AppColors.primaryBlue : AppColors.white,
border: Border.all(
color: value ? AppColors.primaryBlue : const Color(0xFFCBD5E1),
width: 2,
),
borderRadius: BorderRadius.circular(6),
),
child: value
? const Icon(
FontAwesomeIcons.check,
size: 14,
color: AppColors.white,
)
: null,
),
);
}
}
/// Quantity Button
///
/// Small button for incrementing/decrementing quantity.
class _QuantityButton extends StatelessWidget {
final IconData icon;
final VoidCallback onPressed;
const _QuantityButton({required this.icon, required this.onPressed});
@override
Widget build(BuildContext context) {
return InkWell(
onTap: onPressed,
borderRadius: BorderRadius.circular(6),
child: Container(
width: 32,
height: 32,
decoration: BoxDecoration(
border: Border.all(color: const Color(0xFFE0E0E0), width: 2),
borderRadius: BorderRadius.circular(6),
color: AppColors.white,
),
child: Icon(icon, size: 16, color: AppColors.grey900),
),
);
}
}