579 lines
16 KiB
Dart
579 lines
16 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/widget_previews.dart';
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import 'package:go_router/go_router.dart';
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import 'package:kooltab2/viewmodels/product_list_view_model.dart';
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import 'package:provider/provider.dart';
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import 'dart:io';
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import 'package:flutter_slidable/flutter_slidable.dart';
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import '../models/bar_tab.dart';
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import '../models/product.dart';
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import '../models/tab_item.dart';
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import '../viewmodels/bar_screen_view_model.dart';
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class BarScreenView extends StatelessWidget {
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const BarScreenView({super.key});
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@override
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Widget build(BuildContext context) {
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final viewModel = context.watch<BarScreenViewModel>();
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final productsViewModel = context.watch<ProductListViewModel>();
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return Scaffold(
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appBar: AppBar(
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actions: [
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IconButton(
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tooltip: 'Manage products',
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onPressed: () => context.go('/products'),
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icon: const Icon(Icons.inventory_2_outlined),
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),
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IconButton(
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tooltip: 'Refresh',
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onPressed: viewModel.load,
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icon: const Icon(Icons.refresh),
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),
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],
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),
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resizeToAvoidBottomInset: false,
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body: Builder(
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builder: (context) {
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if (viewModel.isLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (viewModel.errorMessage != null) {
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return Center(child: Text(viewModel.errorMessage!));
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}
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return Row(
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children: [
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Expanded(
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flex: 3,
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child: _ProductGrid(
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products: productsViewModel.products,
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hasSelectedTab: viewModel.selectedTab != null,
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onProductTap: (product) async {
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if (viewModel.selectedTab == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Open or select a tab first.'),
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),
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);
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return;
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}
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await viewModel.addProductToSelectedTab(product);
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},
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),
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),
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const VerticalDivider(width: 1),
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Expanded(
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flex: 1,
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child: _TabPanel(
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tabs: viewModel.tabs,
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selectedTab: viewModel.selectedTab,
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selectedTabId: viewModel.selectedTabId,
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onNewTabPressed: () => _showNewTabDialog(context),
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onTabSelected: viewModel.selectTab,
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onItemQuantityChanged: viewModel.changeItemQuantity,
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onCloseTabPressed: () => _confirmCloseTab(context),
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onTabClosed: viewModel.closeTab,
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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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Future<void> _showNewTabDialog(BuildContext context) async {
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final controller = TextEditingController();
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final name = await showDialog<String>(
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context: context,
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builder: (dialogContext) {
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return AlertDialog(
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title: const Text('Open new tab'),
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content: TextField(
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controller: controller,
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autofocus: true,
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decoration: const InputDecoration(
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labelText: 'Customer / group name',
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border: OutlineInputBorder(),
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),
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onSubmitted: (value) {
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Navigator.of(dialogContext).pop(value);
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},
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(dialogContext).pop(),
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child: const Text('Cancel'),
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),
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FilledButton(
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onPressed: () {
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Navigator.of(dialogContext).pop(controller.text);
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},
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child: const Text('Open tab'),
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),
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],
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);
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},
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);
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if (name == null || name.trim().isEmpty) return;
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if (!context.mounted) return;
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await context.read<BarScreenViewModel>().createTab(name.trim());
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}
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Future<void> _confirmCloseTab(BuildContext context) async {
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final viewModel = context.read<BarScreenViewModel>();
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final tab = viewModel.selectedTab;
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if (tab == null) return;
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (dialogContext) {
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return AlertDialog(
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title: Text('Close ${tab.customerName}ʼs tab?'),
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content: Text(
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'Current total: ${tab.formattedTotal}\n\n'
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'Payments are not handled yet, so this only marks the tab as closed.',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(dialogContext).pop(false),
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child: const Text('Cancel'),
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),
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FilledButton(
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onPressed: () => Navigator.of(dialogContext).pop(true),
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child: const Text('Close tab'),
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),
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],
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);
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},
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);
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if (confirmed != true) return;
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await viewModel.closeSelectedTab();
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}
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}
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class _ProductGrid extends StatelessWidget {
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final List<Product> products;
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final bool hasSelectedTab;
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final ValueChanged<Product> onProductTap;
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const _ProductGrid({
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required this.products,
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required this.hasSelectedTab,
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required this.onProductTap,
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});
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@override
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Widget build(BuildContext context) {
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if (products.isEmpty) {
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return Center(
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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.inventory_2_outlined, size: 48),
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const SizedBox(height: 12),
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const Text('No products yet.'),
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const SizedBox(height: 12),
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FilledButton.icon(
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onPressed: () => context.go('/products/new'),
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icon: const Icon(Icons.add),
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label: const Text('Add product'),
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),
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],
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),
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);
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}
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return LayoutBuilder(
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builder: (context, constraints) {
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final columns = ((constraints.maxWidth / 170).floor())
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.clamp(3, 6)
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.toInt();
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return GridView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: products.length,
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: columns,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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childAspectRatio: 1,
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),
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itemBuilder: (context, index) {
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final product = products[index];
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return _ProductTile(
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product: product,
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enabled: hasSelectedTab,
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onTap: () => onProductTap(product),
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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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class _ProductTile extends StatelessWidget {
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final Product product;
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final bool enabled;
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final VoidCallback onTap;
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const _ProductTile({
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required this.product,
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required this.enabled,
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required this.onTap,
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});
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bool get _hasImage {
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final imagePath = product.imagePath;
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if (imagePath == null || imagePath.isEmpty) {
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return false;
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}
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return File(imagePath).existsSync();
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}
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@override
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Widget build(BuildContext context) {
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return Card(
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clipBehavior: Clip.antiAlias,
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margin: EdgeInsets.zero,
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child: InkWell(
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onTap: enabled ? onTap : null,
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child: Opacity(
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opacity: enabled ? 1 : 0.45,
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child: _hasImage
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? Image.file(
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File(product.imagePath!),
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fit: BoxFit.scaleDown,
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width: double.infinity,
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height: double.infinity,
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)
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: const Center(
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child: Stack(
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children: [
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Icon(Icons.image_not_supported_outlined, size: 42),
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Text("No Image found!"),
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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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class _TabPanel extends StatefulWidget {
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final List<BarTab> tabs;
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final BarTab? selectedTab;
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final String? selectedTabId;
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final VoidCallback onNewTabPressed;
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final ValueChanged<String> onTabSelected;
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final Future<void> Function(TabItem item, int quantity) onItemQuantityChanged;
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final VoidCallback onCloseTabPressed;
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final ValueChanged<String> onTabClosed;
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const _TabPanel({
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required this.tabs,
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required this.selectedTab,
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required this.selectedTabId,
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required this.onNewTabPressed,
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required this.onTabSelected,
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required this.onItemQuantityChanged,
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required this.onCloseTabPressed,
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required this.onTabClosed,
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});
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@override
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State<_TabPanel> createState() => _TabPanelState();
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}
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class _TabPanelState extends State<_TabPanel> {
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final TextEditingController _searchController = TextEditingController();
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String _searchQuery = '';
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@override
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void dispose() {
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_searchController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final filteredTabs = widget.tabs.where((tab) {
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return tab.customerName.toLowerCase().contains(
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_searchQuery.toLowerCase(),
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);
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}).toList();
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return Padding(
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padding: const EdgeInsets.all(12),
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child: Column(
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children: [
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SizedBox(
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width: double.infinity,
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child: FilledButton.icon(
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onPressed: widget.onNewTabPressed,
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icon: const Icon(Icons.add),
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label: const Text('Open tab'),
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),
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),
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const SizedBox(height: 12),
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TextField(
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controller: _searchController,
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onChanged: (value) {
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setState(() {
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_searchQuery = value;
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});
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},
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decoration: const InputDecoration(
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hintText: 'Search name...',
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prefixIcon: Icon(Icons.search),
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),
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),
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const SizedBox(height: 12),
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Align(
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alignment: Alignment.centerLeft,
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child: Text(
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'Open tabs',
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style: Theme.of(context).textTheme.titleMedium,
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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: 200,
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child: _OpenTabsList(
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tabs: filteredTabs,
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selectedTabId: widget.selectedTabId,
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onTabSelected: widget.onTabSelected,
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onTabClosed: widget.onTabClosed,
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),
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),
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const Divider(height: 24),
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Expanded(
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child: widget.selectedTab == null
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? const Center(child: Text('Select or open a tab.'))
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: _SelectedTabDetails(
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tab: widget.selectedTab!,
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onItemQuantityChanged: widget.onItemQuantityChanged,
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onCloseTabPressed: widget.onCloseTabPressed,
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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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class _OpenTabsList extends StatelessWidget {
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final List<BarTab> tabs;
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final String? selectedTabId;
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final ValueChanged<String> onTabSelected;
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final ValueChanged<String> onTabClosed;
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const _OpenTabsList({
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required this.tabs,
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required this.selectedTabId,
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required this.onTabSelected,
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required this.onTabClosed,
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});
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@override
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Widget build(BuildContext context) {
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if (tabs.isEmpty) {
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return const Center(child: Text('No open tabs.'));
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}
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return ListView.separated(
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itemCount: tabs.length,
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separatorBuilder: (_, __) => const SizedBox(height: 6),
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itemBuilder: (context, index) {
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final tab = tabs[index];
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final selected = tab.id == selectedTabId;
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return ClipRRect(
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child: Slidable(
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key: ValueKey(tab.id),
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endActionPane: ActionPane(
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motion: const DrawerMotion(),
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extentRatio: 0.65,
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children: [
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SlidableAction(
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onPressed: (_) {
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onTabSelected(tab.id);
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// TODO: rename/edit tab
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},
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icon: Icons.edit_outlined,
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label: 'Edit',
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backgroundColor: Theme.of(context).colorScheme.secondary,
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foregroundColor: Theme.of(context).colorScheme.onSecondary,
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),
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SlidableAction(
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onPressed: (_) => onTabClosed(tab.id),
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icon: Icons.close,
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label: 'Close',
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backgroundColor: Theme.of(context).colorScheme.error,
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foregroundColor: Theme.of(context).colorScheme.onError,
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),
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],
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),
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child: Card(
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margin: EdgeInsets.zero,
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color: selected
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? Theme.of(context).colorScheme.primaryContainer
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: null,
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child: ListTile(
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dense: true,
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selected: selected,
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title: Text(
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tab.customerName,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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subtitle: Text('${tab.itemCount} items • ${tab.formattedTotal}'),
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onTap: () => onTabSelected(tab.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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}
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}
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class _SelectedTabDetails extends StatelessWidget {
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final BarTab tab;
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final Future<void> Function(TabItem item, int quantity) onItemQuantityChanged;
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final VoidCallback onCloseTabPressed;
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const _SelectedTabDetails({
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required this.tab,
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required this.onItemQuantityChanged,
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required this.onCloseTabPressed,
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});
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@override
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Widget build(BuildContext context) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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tab.customerName,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: Theme.of(context).textTheme.titleLarge,
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),
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const SizedBox(height: 4),
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Text(
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'Total: ${tab.formattedTotal}',
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style: Theme.of(context).textTheme.titleMedium,
|
||
),
|
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const SizedBox(height: 12),
|
||
Expanded(
|
||
child: tab.items.isEmpty
|
||
? const Center(child: Text('Tap products to add them.'))
|
||
: ListView.separated(
|
||
itemCount: tab.items.length,
|
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separatorBuilder: (_, __) => const Divider(height: 1),
|
||
itemBuilder: (context, index) {
|
||
final item = tab.items[index];
|
||
|
||
return _TabItemRow(
|
||
item: item,
|
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onQuantityChanged: onItemQuantityChanged,
|
||
);
|
||
},
|
||
),
|
||
),
|
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const Divider(height: 24),
|
||
Row(
|
||
children: [
|
||
Expanded(
|
||
child: Text(
|
||
tab.formattedTotal,
|
||
style: Theme.of(context).textTheme.headlineSmall,
|
||
),
|
||
),
|
||
FilledButton(
|
||
onPressed: onCloseTabPressed,
|
||
child: const Text('Close'),
|
||
),
|
||
],
|
||
),
|
||
],
|
||
);
|
||
}
|
||
}
|
||
|
||
class _TabItemRow extends StatelessWidget {
|
||
final TabItem item;
|
||
final Future<void> Function(TabItem item, int quantity) onQuantityChanged;
|
||
|
||
const _TabItemRow({required this.item, required this.onQuantityChanged});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return Padding(
|
||
padding: const EdgeInsets.symmetric(vertical: 8),
|
||
child: Row(
|
||
children: [
|
||
Expanded(
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(
|
||
item.productName,
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis,
|
||
),
|
||
Text(
|
||
'${item.quantity} × ${item.formattedUnitPrice}',
|
||
style: Theme.of(context).textTheme.bodySmall,
|
||
),
|
||
],
|
||
),
|
||
),
|
||
IconButton(
|
||
visualDensity: VisualDensity.compact,
|
||
onPressed: () => onQuantityChanged(item, item.quantity - 1),
|
||
icon: const Icon(Icons.remove_circle_outline),
|
||
),
|
||
Text('${item.quantity}'),
|
||
IconButton(
|
||
visualDensity: VisualDensity.compact,
|
||
onPressed: () => onQuantityChanged(item, item.quantity + 1),
|
||
icon: const Icon(Icons.add_circle_outline),
|
||
),
|
||
SizedBox(
|
||
width: 72,
|
||
child: Text(item.formattedLineTotal, textAlign: TextAlign.end),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|