feat: remove listenablebuilders from cart

This commit is contained in:
mike doornenbal 2024-07-09 10:00:46 +02:00
parent db1299f22b
commit 1b307e3084
2 changed files with 154 additions and 152 deletions

View file

@ -9,6 +9,7 @@ class DefaultShoppingCartItem extends StatelessWidget {
const DefaultShoppingCartItem({
required this.product,
required this.configuration,
required this.onItemAddedRemoved,
super.key,
});
@ -17,112 +18,115 @@ class DefaultShoppingCartItem extends StatelessWidget {
/// Shopping cart configuration.
final ShoppingCartConfig configuration;
/// Function that is called when an item is added or removed.
final Function() onItemAddedRemoved;
@override
Widget build(BuildContext context) {
var theme = Theme.of(context);
return ListenableBuilder(
listenable: configuration.service,
builder: (context, _) => Padding(
padding: const EdgeInsets.only(bottom: 20),
child: ListTile(
contentPadding: const EdgeInsets.only(top: 3, left: 4, bottom: 3),
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
product.name,
style: theme.textTheme.titleMedium,
),
IconButton(
padding: EdgeInsets.zero,
constraints: const BoxConstraints(),
onPressed: () async {
await showModalBottomSheet(
context: context,
backgroundColor: theme.colorScheme.surface,
builder: (context) => ProductItemPopup(
product: product,
configuration: configuration,
),
);
},
icon: Icon(
Icons.info_outline,
color: theme.colorScheme.primary,
),
),
],
),
leading: ClipRRect(
borderRadius: BorderRadius.circular(6),
child: Image.network(
product.imageUrl,
return Padding(
padding: const EdgeInsets.only(bottom: 20),
child: ListTile(
contentPadding: const EdgeInsets.only(top: 3, left: 4, bottom: 3),
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
product.name,
style: theme.textTheme.titleMedium,
),
),
trailing: Column(
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
if (product.hasDiscount && product.discountPrice != null) ...[
Text(
product.discountPrice!.toStringAsFixed(2),
style: theme.textTheme.labelSmall,
),
] else ...[
Text(
product.price.toStringAsFixed(2),
style: theme.textTheme.labelSmall,
),
],
],
IconButton(
padding: EdgeInsets.zero,
constraints: const BoxConstraints(),
onPressed: () async {
await showModalBottomSheet(
context: context,
backgroundColor: theme.colorScheme.surface,
builder: (context) => ProductItemPopup(
product: product,
configuration: configuration,
),
);
},
icon: Icon(
Icons.info_outline,
color: theme.colorScheme.primary,
),
Row(
mainAxisAlignment: MainAxisAlignment.end,
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
constraints: const BoxConstraints(),
padding: EdgeInsets.zero,
icon: const Icon(
Icons.remove,
color: Colors.black,
),
onPressed: () =>
configuration.service.removeOneProduct(product),
),
],
),
leading: ClipRRect(
borderRadius: BorderRadius.circular(6),
child: Image.network(
product.imageUrl,
),
),
trailing: Column(
children: [
Row(
mainAxisSize: MainAxisSize.min,
children: [
if (product.hasDiscount && product.discountPrice != null) ...[
Text(
product.discountPrice!.toStringAsFixed(2),
style: theme.textTheme.labelSmall,
),
Padding(
padding: const EdgeInsets.all(2),
child: Container(
alignment: Alignment.center,
decoration: BoxDecoration(
color: theme.colorScheme.primary,
borderRadius: BorderRadius.circular(4),
),
height: 30,
width: 30,
child: Text(
"${product.quantity}",
style: theme.textTheme.titleSmall,
textAlign: TextAlign.center,
),
),
),
IconButton(
constraints: const BoxConstraints(),
padding: EdgeInsets.zero,
icon: const Icon(
Icons.add,
color: Colors.black,
),
onPressed: () {
configuration.service.addProduct(product);
},
] else ...[
Text(
product.price.toStringAsFixed(2),
style: theme.textTheme.labelSmall,
),
],
),
],
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.end,
mainAxisSize: MainAxisSize.min,
children: [
IconButton(
constraints: const BoxConstraints(),
padding: EdgeInsets.zero,
icon: const Icon(
Icons.remove,
color: Colors.black,
),
onPressed: () {
configuration.service.removeOneProduct(product);
onItemAddedRemoved();
},
),
Padding(
padding: const EdgeInsets.all(2),
child: Container(
alignment: Alignment.center,
decoration: BoxDecoration(
color: theme.colorScheme.primary,
borderRadius: BorderRadius.circular(4),
),
height: 30,
width: 30,
child: Text(
"${product.quantity}",
style: theme.textTheme.titleSmall,
textAlign: TextAlign.center,
),
),
),
IconButton(
constraints: const BoxConstraints(),
padding: EdgeInsets.zero,
icon: const Icon(
Icons.add,
color: Colors.black,
),
onPressed: () {
configuration.service.addProduct(product);
onItemAddedRemoved();
},
),
],
),
],
),
),
);

View file

@ -6,7 +6,7 @@ import "package:flutter_shopping_cart/src/widgets/default_shopping_cart_item.dar
import "package:flutter_shopping_cart/src/widgets/default_sum_bottom_sheet_builder.dart";
/// Shopping cart screen widget.
class ShoppingCartScreen extends StatelessWidget {
class ShoppingCartScreen extends StatefulWidget {
/// Creates a shopping cart screen.
const ShoppingCartScreen({
required this.configuration,
@ -16,26 +16,31 @@ class ShoppingCartScreen extends StatelessWidget {
/// Configuration for the shopping cart screen.
final ShoppingCartConfig configuration;
@override
State<ShoppingCartScreen> createState() => _ShoppingCartScreenState();
}
class _ShoppingCartScreenState extends State<ShoppingCartScreen> {
@override
Widget build(BuildContext context) {
var theme = Theme.of(context);
return Scaffold(
appBar:
configuration.appBarBuilder?.call(context) ?? const DefaultAppbar(),
appBar: widget.configuration.appBarBuilder?.call(context) ??
const DefaultAppbar(),
body: SafeArea(
child: Stack(
fit: StackFit.expand,
children: [
Padding(
padding: configuration.pagePadding,
padding: widget.configuration.pagePadding,
child: SingleChildScrollView(
child: Column(
children: [
if (configuration.titleBuilder != null) ...{
configuration.titleBuilder!(
if (widget.configuration.titleBuilder != null) ...{
widget.configuration.titleBuilder!(
context,
configuration.translations.cartTitle,
widget.configuration.translations.cartTitle,
),
} else ...{
Padding(
@ -45,7 +50,7 @@ class ShoppingCartScreen extends StatelessWidget {
child: Row(
children: [
Text(
configuration.translations.cartTitle,
widget.configuration.translations.cartTitle,
style: theme.textTheme.titleLarge,
textAlign: TextAlign.start,
),
@ -53,30 +58,32 @@ class ShoppingCartScreen extends StatelessWidget {
),
),
},
ListenableBuilder(
listenable: configuration.service,
builder: (context, _) => Column(
children: [
for (var product in configuration.service.products)
configuration.productItemBuilder?.call(
context,
product,
configuration,
) ??
DefaultShoppingCartItem(
product: product,
configuration: configuration,
),
Column(
children: [
for (var product
in widget.configuration.service.products)
widget.configuration.productItemBuilder?.call(
context,
product,
widget.configuration,
) ??
DefaultShoppingCartItem(
product: product,
configuration: widget.configuration,
onItemAddedRemoved: () {
setState(() {});
},
),
// Additional whitespace at
// the bottom to make sure the last
// product(s) are not hidden by the bottom sheet.
SizedBox(
height: configuration.confirmOrderButtonHeight +
configuration.sumBottomSheetHeight,
),
],
),
// Additional whitespace at
// the bottom to make sure the last
// product(s) are not hidden by the bottom sheet.
SizedBox(
height:
widget.configuration.confirmOrderButtonHeight +
widget.configuration.sumBottomSheetHeight,
),
],
),
],
),
@ -85,7 +92,7 @@ class ShoppingCartScreen extends StatelessWidget {
Align(
alignment: Alignment.bottomCenter,
child: _BottomSheet(
configuration: configuration,
configuration: widget.configuration,
),
),
],
@ -106,28 +113,19 @@ class _BottomSheet extends StatelessWidget {
Widget build(BuildContext context) => Column(
mainAxisSize: MainAxisSize.min,
children: [
ListenableBuilder(
listenable: configuration.service,
builder: (BuildContext context, Widget? child) =>
configuration.sumBottomSheetBuilder
?.call(context, configuration) ??
DefaultSumBottomSheetBuilder(
configuration: configuration,
),
),
ListenableBuilder(
listenable: configuration.service,
builder: (context, _) =>
configuration.confirmOrderButtonBuilder?.call(
context,
configuration,
configuration.onConfirmOrder,
) ??
DefaultConfirmOrderButton(
configuration: configuration,
onConfirmOrder: configuration.onConfirmOrder,
),
),
configuration.sumBottomSheetBuilder?.call(context, configuration) ??
DefaultSumBottomSheetBuilder(
configuration: configuration,
),
configuration.confirmOrderButtonBuilder?.call(
context,
configuration,
configuration.onConfirmOrder,
) ??
DefaultConfirmOrderButton(
configuration: configuration,
onConfirmOrder: configuration.onConfirmOrder,
),
],
);
}