129 lines
4.8 KiB
Dart
129 lines
4.8 KiB
Dart
import 'package:flutter/material.dart';
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class AddScreen extends StatefulWidget {
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@override
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_AddScreenState createState() => _AddScreenState();
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}
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class _AddScreenState extends State<AddScreen> {
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final _formKey = GlobalKey<FormState>();
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String? _selectedVehicle;
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String? _selectedFuelType;
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final TextEditingController _litersController = TextEditingController();
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final TextEditingController _pricePerLiterController =
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TextEditingController();
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final TextEditingController _totalPriceController = TextEditingController();
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final TextEditingController _mileageController = TextEditingController();
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final TextEditingController _noteController = TextEditingController();
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final List<String> _vehicles = ['Car A', 'Car B', 'Car C'];
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final List<String> _fuelTypes = ['Gasoline', 'Diesel', 'Electric'];
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Form(
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key: _formKey,
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child: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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DropdownButtonFormField<String>(
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decoration: InputDecoration(labelText: 'Vehicle'),
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value: _selectedVehicle,
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items:
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_vehicles.map((vehicle) {
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return DropdownMenuItem(
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value: vehicle,
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child: Text(vehicle),
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);
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}).toList(),
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onChanged:
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(value) => setState(() => _selectedVehicle = value),
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validator:
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(value) =>
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value == null ? 'Please select a vehicle' : null,
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),
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SizedBox(height: 16),
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DropdownButtonFormField<String>(
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decoration: InputDecoration(labelText: 'Fuel Type'),
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value: _selectedFuelType,
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items:
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_fuelTypes.map((fuel) {
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return DropdownMenuItem(value: fuel, child: Text(fuel));
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}).toList(),
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onChanged:
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(value) => setState(() => _selectedFuelType = value),
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validator:
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(value) =>
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value == null ? 'Please select a fuel type' : null,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _litersController,
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decoration: InputDecoration(labelText: 'Liters'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _pricePerLiterController,
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decoration: InputDecoration(labelText: 'Price per Liter'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _totalPriceController,
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decoration: InputDecoration(labelText: 'Total Price'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _mileageController,
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decoration: InputDecoration(labelText: 'Mileage'),
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keyboardType: TextInputType.number,
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validator: _numberValidator,
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),
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SizedBox(height: 16),
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TextFormField(
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controller: _noteController,
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decoration: InputDecoration(labelText: 'Note'),
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keyboardType: TextInputType.text,
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),
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SizedBox(height: 24),
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ElevatedButton(
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onPressed: _submitForm,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.green, // green confirm button
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),
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child: Text('Create Fuel Record'),
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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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String? _numberValidator(String? value) {
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if (value == null || value.isEmpty) return 'This field cannot be empty';
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if (double.tryParse(value) == null) return 'Enter a valid number';
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return null;
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}
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void _submitForm() {
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if (_formKey.currentState?.validate() ?? false) {
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// Here you would save the form data to database or state
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Fuel record created successfully!')),
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);
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}
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}
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}
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