576 lines
23 KiB
Dart
576 lines
23 KiB
Dart
import 'package:cheminova/screens/order/checkout_screen.dart';
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import 'package:cheminova/widgets/my_drawer.dart';
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import 'package:cheminova/widgets/product_card.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_svg/svg.dart';
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import 'package:get/get.dart';
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import 'package:google_fonts/google_fonts.dart';
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import '../../controller/cart_controller.dart';
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import '../../models/oder_place_model.dart';
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import '../../models/product_model1.dart';
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// CartScreen represents the cart view in the application, where users can review
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// products they have added, select/deselect them, and proceed to checkout.
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class CartScreen extends StatefulWidget {
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Product? productModel; // Optional product model to add a product directly to the cart.
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PlacedOrderModel? placedOrder; // Optional order placement model.
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CartScreen({super.key, this.productModel, this.placedOrder});
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@override
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State<CartScreen> createState() => _CartScreenState();
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}
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class _CartScreenState extends State<CartScreen> {
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// CartController handles cart-related logic such as adding/removing products, selections, and totals.
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final CartController _cartController = Get.find<CartController>();
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bool _selectAll = true; // Boolean flag to determine if all products are selected by default.
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@override
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void initState() {
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super.initState();
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// If a product model is passed when navigating to this screen, add it to the cart.
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if (widget.productModel != null) {
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_cartController.addToCart(widget.productModel!);
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}
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// Initialize product selections to ensure all products are selected by default.
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_cartController.initializeSelections();
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// Check if all products are selected and update the _selectAll flag accordingly.
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_checkIfAllSelected();
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}
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// Toggles the selection of all products in the cart.
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void _toggleSelectAll(bool? value) {
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setState(() {
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_selectAll = value ?? false; // Update _selectAll based on the checkbox value.
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_cartController.selectAllProducts(_selectAll); // Select or deselect all products.
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});
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}
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// Check if all products in the cart are selected. Updates the _selectAll flag.
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void _checkIfAllSelected() {
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setState(() {
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// If every product in the cart is selected, _selectAll is set to true.
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_selectAll = _cartController.cartList.every(
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(product) => _cartController.selectedProducts.contains(product),
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);
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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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return Scaffold(
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extendBodyBehindAppBar: true,
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// Transparent AppBar with a menu icon and back button.
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appBar: AppBar(
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backgroundColor: Colors.transparent, // Transparent background.
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elevation: 0, // No elevation.
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leading: Builder(
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builder: (context) {
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return GestureDetector(
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onTap: () => Scaffold.of(context).openDrawer(), // Open the drawer on tap.
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: SvgPicture.asset(
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'assets/svg/menu.svg', // SVG asset for the menu icon.
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),
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),
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);
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},
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),
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actions: [
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// Back button to navigate to the previous screen.
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GestureDetector(
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onTap: () => Get.back(), // Go back on tap.
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: SvgPicture.asset(
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'assets/svg/back_arrow.svg', // SVG asset for the back icon.
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),
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),
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),
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],
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title: const Center(
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child: Text(
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"Cart", // Title for the AppBar.
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),
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),
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),
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drawer: const MyDrawer(), // Drawer menu.
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// Stack for the background image and the content above it.
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body: Stack(
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fit: StackFit.expand, // Ensure the background image fills the entire screen.
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children: [
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// Background image that covers the entire screen.
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Image.asset(
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'assets/images/image_1.png',
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fit: BoxFit.cover, // Cover the entire screen with the image.
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),
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// SafeArea ensures content is within safe device boundaries.
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SafeArea(
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// Obx listens to changes in the cartList and updates the UI.
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child: Obx(() {
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// If the cart is empty, show an empty cart message and image.
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if (_cartController.cartList.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Image.asset(
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'assets/images/cart.png', // Display an empty cart image.
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width: Get.width * 0.5,
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height: Get.width * 0.5,
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),
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const SizedBox(height: 20),
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Text(
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'Your Cart is empty', // Message indicating the cart is empty.
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style: GoogleFonts.roboto(
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fontSize: 24,
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fontWeight: FontWeight.w500,
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color: Colors.white,
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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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// If there are items in the cart, show the cart list and summary.
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return Column(
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children: [
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SizedBox(
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height: Get.height * 0.02,
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),
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// Card widget for displaying the cart details and selection options.
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Card(
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margin: const EdgeInsets.symmetric(horizontal: 18),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(19),
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side: const BorderSide(color: Color(0xFFFDFDFD)),
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),
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color: const Color(0xFFB4D1E5).withOpacity(0.9),
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child: Padding(
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padding: const EdgeInsets.all(12.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// Row for "Select All" checkbox and label.
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Row(
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children: [
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Checkbox(
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value: _selectAll, // Checkbox value linked to _selectAll flag.
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onChanged: _toggleSelectAll, // Toggle all selections when changed.
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),
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Text(
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"Select All", // Label for the select all checkbox.
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style: GoogleFonts.roboto(
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fontSize: 16,
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fontWeight: FontWeight.w500,
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),
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),
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],
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),
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// List of products in the cart.
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SizedBox(
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height: Get.height * 0.6,
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child: ListView.builder(
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padding: EdgeInsets.zero,
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itemCount: _cartController.cartList.length, // Number of items in the cart.
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itemBuilder: (context, index) {
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return Row(
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children: [
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// Checkbox for individual product selection.
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Checkbox(
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value: _cartController.selectedProducts.contains(
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_cartController.cartList[index]),
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onChanged: (value) {
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_cartController.toggleProductSelection(
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_cartController.cartList[index],
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value!, // Toggle product selection.
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);
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_checkIfAllSelected(); // Recheck if all products are selected.
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},
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),
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// ProductCard displaying product details in the cart.
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Expanded(
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child: ProductCard(
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productModel: _cartController.cartList[index],
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isInCart: true, // Indicates this product is in the cart.
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placedOrder: widget.placedOrder,
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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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const SizedBox(height: 10),
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// Row displaying the subtotal amount.
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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"Subtotal ",
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style: GoogleFonts.roboto(
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fontSize: 15,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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// Display the subtotal using an Obx to update automatically.
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Obx(() => Text("₹ ${_cartController.subtotal.value}")),
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],
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),
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// Row displaying the GST amount.
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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"GST ",
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style: GoogleFonts.roboto(
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fontSize: 15,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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Obx(() => Text("₹ ${_cartController.gstTotal.value}")),
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],
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),
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// Row displaying the total amount (subtotal + GST).
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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"Total Amount ",
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style: GoogleFonts.roboto(
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fontSize: 15,
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color: Colors.black,
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fontWeight: FontWeight.bold,
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),
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),
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Obx(() => Text("₹ ${_cartController.grandTotal.value}")),
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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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SizedBox(height: Get.height * 0.020),
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// Button to proceed to the checkout screen.
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SizedBox(
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width: Get.width * 0.9,
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height: Get.height * 0.06,
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child: ElevatedButton(
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onPressed: () => Get.to(() => CheckoutScreen(
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selectedProducts: _cartController.selectedProducts, // Pass selected products to CheckoutScreen.
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)),
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style: ElevatedButton.styleFrom(
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foregroundColor: Colors.white,
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backgroundColor: const Color(0xFF00784C), // Green button for checkout.
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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: Text(
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"Proceed to Checkout",
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style: GoogleFonts.roboto(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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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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}
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}
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// import 'package:cheminova/models/oder_place_model.dart';
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// import 'package:cheminova/models/product_model.dart';
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// import 'package:cheminova/screens/order/checkout_screen.dart';
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// import 'package:cheminova/widgets/my_drawer.dart';
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// import 'package:cheminova/widgets/product_card.dart';
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// import 'package:flutter/material.dart';
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// import 'package:flutter_svg/svg.dart';
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// import 'package:get/get.dart';
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// import 'package:google_fonts/google_fonts.dart';
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//
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// import '../../controller/cart_controller.dart';
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// import '../../models/product_model1.dart';
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//
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// class CartScreen extends StatefulWidget {
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// Product? productModel;
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// PlacedOrderModel? placedOrder;
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//
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// CartScreen({super.key, this.productModel, this.placedOrder});
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//
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// @override
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// State<CartScreen> createState() => _CartScreenState();
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// }
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//
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// class _CartScreenState extends State<CartScreen> {
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// final CartController _cartController = Get.find<CartController>();
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//
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// bool _selectAll = false; // State to track "Select All" checkbox
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//
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// @override
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// void initState() {
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// super.initState();
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// if (widget.productModel != null) {
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// _cartController.addToCart(widget.productModel!);
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// }
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// }
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//
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// void _toggleSelectAll(bool? value) {
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// setState(() {
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// _selectAll = value ?? false;
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// _cartController.cartList.forEach((product) {
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// _cartController.toggleProductSelection(product, _selectAll);
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// });
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// });
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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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// return Scaffold(
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// extendBodyBehindAppBar: true,
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// appBar: AppBar(
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// backgroundColor: Colors.transparent,
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// elevation: 0,
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// leading: Builder(
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// builder: (context) {
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// return GestureDetector(
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// onTap: () => Scaffold.of(context).openDrawer(),
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// child: Padding(
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// padding: const EdgeInsets.all(16.0),
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// child: SvgPicture.asset(
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// 'assets/svg/menu.svg',
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// ),
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// ),
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// );
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// },
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// ),
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// actions: [
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// GestureDetector(
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// onTap: () => Get.back(),
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// child: Padding(
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// padding: const EdgeInsets.all(8.0),
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// child: SvgPicture.asset(
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// 'assets/svg/back_arrow.svg',
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// ),
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// ),
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// ),
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// ],
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// title: Center(
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// child: const Text(
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// "Cart",
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// ),
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// ),
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// ),
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// drawer: const MyDrawer(),
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// body: Stack(
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// fit: StackFit.expand,
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// children: [
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// Image.asset(
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// 'assets/images/image_1.png',
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// fit: BoxFit.cover,
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// ),
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// SafeArea(
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// child: Obx(() {
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// if (_cartController.cartList.isEmpty) {
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// return Center(
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// child: Column(
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// mainAxisAlignment: MainAxisAlignment.center,
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// children: [
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// Image.asset(
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// 'assets/images/cart.png',
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// width: Get.width * 0.5,
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// height: Get.width * 0.5,
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// ),
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// const SizedBox(height: 20),
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// Text(
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// 'Your Cart is empty',
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// style: GoogleFonts.roboto(
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// fontSize: 24,
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// fontWeight: FontWeight.w500,
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// color: Colors.white,
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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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// return Column(
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// children: [
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// SizedBox(
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// height: Get.height * 0.02,
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// ),
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// Card(
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// margin: const EdgeInsets.symmetric(horizontal: 18),
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// shape: RoundedRectangleBorder(
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// borderRadius: BorderRadius.circular(19),
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// side: const BorderSide(color: Color(0xFFFDFDFD)),
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// ),
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// color: const Color(0xFFB4D1E5).withOpacity(0.9),
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// child: Padding(
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// padding: const EdgeInsets.all(12.0),
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// child: Column(
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// mainAxisSize: MainAxisSize.min,
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// children: [
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// // "Select All" Checkbox
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// Row(
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// children: [
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// Checkbox(
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// value: _selectAll,
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// onChanged: _toggleSelectAll,
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// ),
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// Text(
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// "Select All",
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// style: GoogleFonts.roboto(
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// fontSize: 16,
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// fontWeight: FontWeight.w500,
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// ),
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// ),
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// ],
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// ),
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// SizedBox(
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// height: Get.height * 0.6,
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// child: ListView.builder(
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// padding: EdgeInsets.zero,
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// itemCount: _cartController.cartList.length,
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// itemBuilder: (context, index) {
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// return Row(
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// children: [
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// Checkbox(
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// value: _cartController
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// .cartList[index].selected,
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// onChanged: (value) {
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// setState(() {
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//
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// });
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// _cartController.toggleProductSelection(
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// _cartController.cartList[index],
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// value!);
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// },
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// ),
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// Expanded(
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// child: ProductCard(
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// productModel:
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// _cartController.cartList[index],
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// isInCart: true,
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// placedOrder: widget.placedOrder,
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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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// const SizedBox(height: 10),
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// Row(
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// mainAxisAlignment: MainAxisAlignment.spaceBetween,
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// children: [
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// Text(
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// "Subtotal ",
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// style: GoogleFonts.roboto(
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// fontSize: 15,
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// color: Colors.black,
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// fontWeight: FontWeight.bold,
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// ),
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// ),
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// Obx(() => Text("₹ ${_cartController.subtotal.value}")),
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// ],
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// ),
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// Row(
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// mainAxisAlignment: MainAxisAlignment.spaceBetween,
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// children: [
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// Text(
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// "GST ",
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// style: GoogleFonts.roboto(
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// fontSize: 15,
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// color: Colors.black,
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// fontWeight: FontWeight.bold,
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// ),
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// ),
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// Obx(() => Text("₹ ${_cartController.gstTotal.value}")),
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// ],
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// ),
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// Row(
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// mainAxisAlignment: MainAxisAlignment.spaceBetween,
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// children: [
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// Text(
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// "Total Amount ",
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// style: GoogleFonts.roboto(
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// fontSize: 15,
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// color: Colors.black,
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// fontWeight: FontWeight.bold,
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// ),
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// ),
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// Obx(() => Text("₹ ${_cartController.grandTotal.value}")),
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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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// SizedBox(height: Get.height * 0.020),
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// SizedBox(
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// width: Get.width * 0.9,
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// height: Get.height * 0.06,
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// child: ElevatedButton(
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// onPressed: () => Get.to(() => CheckoutScreen(
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// productModel: widget.productModel,
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// )),
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// style: ElevatedButton.styleFrom(
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// foregroundColor: Colors.white,
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// backgroundColor: const Color(0xFF00784C),
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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: Text(
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// "Proceed to Checkout",
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// style: GoogleFonts.roboto(
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// fontSize: 16,
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// fontWeight: FontWeight.w600,
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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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// }
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// }
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