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bups and readme cleanup

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This commit is contained in:
eulaly
2026-05-12 10:12:50 -04:00
parent bd771100b0
commit dc1265190a
14 changed files with 322 additions and 3400 deletions
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88
lib/bups/dbhelper_example.dart
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import 'dart:io';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';
import 'package:path_provider/path_provider.dart';
class DatabaseHelper {
static final _databaseName = "MyDatabase.db";
static final _databaseVersion = 1;
static final table = 'my_table';
static final columnId = '_id';
static final columnName = 'name';
static final columnAge = 'age';
// make this a singleton class
DatabaseHelper._privateConstructor();
static final DatabaseHelper instance = DatabaseHelper._privateConstructor();
// only have a single app-wide reference to the database
static Database _database;
Future<Database> get database async {
if (_database != null) return _database;
// lazily instantiate the db the first time it is accessed
_database = await _initDatabase();
return _database;
}
// this opens the database (and creates it if it doesn't exist)
_initDatabase() async {
Directory documentsDirectory = await getApplicationDocumentsDirectory();
String path = join(documentsDirectory.path, _databaseName);
return await openDatabase(path,
version: _databaseVersion, onCreate: _onCreate);
}
// SQL code to create the database table
Future _onCreate(Database db, int version) async {
await db.execute('''
CREATE TABLE $table (
$columnId INTEGER PRIMARY KEY,
$columnName TEXT NOT NULL,
$columnAge INTEGER NOT NULL
)
''');
}
// Helper methods
// Inserts a row in the database where each key in the Map is a column name
// and the value is the column value. The return value is the id of the
// inserted row.
Future<int> insert(Map<String, dynamic> row) async {
Database db = await instance.database;
return await db.insert(table, row);
}
// All of the rows are returned as a list of maps, where each map is
// a key-value list of columns.
Future<List<Map<String, dynamic>>> queryAllRows() async {
Database db = await instance.database;
return await db.query(table);
}
// All of the methods (insert, query, update, delete) can also be done using
// raw SQL commands. This method uses a raw query to give the row count.
Future<int> queryRowCount() async {
Database db = await instance.database;
return Sqflite.firstIntValue(
await db.rawQuery('SELECT COUNT(*) FROM $table'));
}
// We are assuming here that the id column in the map is set. The other
// column values will be used to update the row.
Future<int> update(Map<String, dynamic> row) async {
Database db = await instance.database;
int id = row[columnId];
return await db.update(table, row, where: '$columnId = ?', whereArgs: [id]);
}
// Deletes the row specified by the id. The number of affected rows is
// returned. This should be 1 as long as the row exists.
Future<int> delete(int id) async {
Database db = await instance.database;
return await db.delete(table, where: '$columnId = ?', whereArgs: [id]);
}
}

5
lib/bups/dummy.dart
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void main() {
runApp(const FormApp());
}

83
lib/bups/firebase_options.dart
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// File generated by FlutterFire CLI.
// ignore_for_file: lines_longer_than_80_chars, avoid_classes_with_only_static_members
import 'package:firebase_core/firebase_core.dart' show FirebaseOptions;
import 'package:flutter/foundation.dart'
show defaultTargetPlatform, kIsWeb, TargetPlatform;
/// Default [FirebaseOptions] for use with your Firebase apps.
///
/// Example:
/// ```dart
/// import 'firebase_options.dart';
/// // ...
/// await Firebase.initializeApp(
/// options: DefaultFirebaseOptions.currentPlatform,
/// );
/// ```
class DefaultFirebaseOptions {
static FirebaseOptions get currentPlatform {
if (kIsWeb) {
return web;
}
switch (defaultTargetPlatform) {
case TargetPlatform.android:
return android;
case TargetPlatform.iOS:
return ios;
case TargetPlatform.macOS:
return macos;
case TargetPlatform.windows:
throw UnsupportedError(
'DefaultFirebaseOptions have not been configured for windows - '
'you can reconfigure this by running the FlutterFire CLI again.',
);
case TargetPlatform.linux:
throw UnsupportedError(
'DefaultFirebaseOptions have not been configured for linux - '
'you can reconfigure this by running the FlutterFire CLI again.',
);
default:
throw UnsupportedError(
'DefaultFirebaseOptions are not supported for this platform.',
);
}
}
static const FirebaseOptions web = FirebaseOptions(
apiKey: 'AIzaSyC3r_l3tj1x9Za0XXio89OIFWIY3Um40c8',
appId: '1:497486937927:web:66bcf53b6b41b7d84d5662',
messagingSenderId: '497486937927',
projectId: 'dash-6e8c2',
authDomain: 'dash-6e8c2.firebaseapp.com',
storageBucket: 'dash-6e8c2.appspot.com',
measurementId: 'G-XZVH49N86G',
);
static const FirebaseOptions android = FirebaseOptions(
apiKey: 'AIzaSyB5CA0f2J9qB4zt5YLaXCX-lMP8dKkFpmM',
appId: '1:497486937927:android:133640261945f9744d5662',
messagingSenderId: '497486937927',
projectId: 'dash-6e8c2',
storageBucket: 'dash-6e8c2.appspot.com',
);
static const FirebaseOptions ios = FirebaseOptions(
apiKey: 'AIzaSyA6mRZkuPnAFsvfYeClMRpeuB174x5-Aqk',
appId: '1:497486937927:ios:0c6b9a9a0c06b4484d5662',
messagingSenderId: '497486937927',
projectId: 'dash-6e8c2',
storageBucket: 'dash-6e8c2.appspot.com',
iosClientId: '497486937927-80niucdhlshtgeragten316bdnpqgo8u.apps.googleusercontent.com',
iosBundleId: 'com.example.dash',
);
static const FirebaseOptions macos = FirebaseOptions(
apiKey: 'AIzaSyA6mRZkuPnAFsvfYeClMRpeuB174x5-Aqk',
appId: '1:497486937927:ios:0c6b9a9a0c06b4484d5662',
messagingSenderId: '497486937927',
projectId: 'dash-6e8c2',
storageBucket: 'dash-6e8c2.appspot.com',
iosClientId: '497486937927-80niucdhlshtgeragten316bdnpqgo8u.apps.googleusercontent.com',
iosBundleId: 'com.example.dash',
);
}

136
lib/bups/iconpicker-1.dart
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import 'dart:convert';
import 'dart:async';
import 'package:flutter/material.dart';
// import '../images/car_icons.svg';
class IconPicker extends StatefulWidget {
IconPicker({super.key});
late final String? selectedIcon;
@override
State<IconPicker> createState() => _IconPickerState();
}
class _IconPickerState extends State<IconPicker> {
late Future mfst;
late final Future<String> manifestJson;
late final Future<List<String>> icons;
late List<String> iconList;
late List<String> iconNames;
late Map iconMap;
late List<String> searchableList = [];
late List<String> items;
TextEditingController editingController = TextEditingController();
@override
void initState() {
super.initState();
icons = loadAssets();
// iconNames = buildIconList(icons);
}
Future<List<String>> loadAssets() async {
final manifestJson =
await DefaultAssetBundle.of(context).loadString('AssetManifest.json');
// ignore: no_leading_underscores_for_local_identifiers
final _icons = json
.decode(manifestJson)
.keys
.where((String key) => key.startsWith('images/car_icons/'))
.toList();
return _icons;
}
List<String> buildIconList(List icons) {
List<String> iN = [];
for (var i in icons) {
iN.add(i.substring(17, i.length - 4));
}
return iN;
}
void filterSearch(String query, List<String> iconList) {
if (query.isNotEmpty) {
for (var item in iconList) {
if (item.contains(query)) {
searchableList.add(item);
}
}
setState(() {
items.clear();
items.addAll(searchableList);
print(items);
});
return;
} else {
setState(() {
items.clear();
items.addAll(iconList);
});
}
}
@override
Widget build(BuildContext context) {
// mfst = DefaultAssetBundle.of(context).loadString('AssetManifest.json');
// icons = json.decode(mfst).keys.where((String key) => key.startsWith('assets/images/car_icons_svg')).toList();
// icons = loadAssets() as List;
return FutureBuilder(
future: icons,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(child: CircularProgressIndicator());
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
iconList = snapshot.data!;
iconNames = buildIconList(iconList);
print('iconlist is ${iconList.sublist(0, 5)}...');
print('iconNames is ${iconNames.sublist(0, 5)}...');
return Scaffold(
appBar: AppBar(
title: const Text('test'),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Column(children: [
Padding(
padding: const EdgeInsets.all(8.0),
child: TextField(
onChanged: (value) {
filterSearch(value, snapshot.data!);
},
controller: editingController,
),
),
Expanded(
child: ListView.builder(
itemCount: iconList.length,
itemBuilder: (context, index) => ListTile(
leading: CircleAvatar(
backgroundImage: AssetImage(iconList[index]),
backgroundColor: Colors.white,
),
title: Text(iconNames[index]),
onTap: (() => VoidCallback)),
))
]));
}
}
});
}
/* Widget build(BuildContext context) {
return ListView.builder(
itemCount: icons.length,
itemBuilder: (context, index) => ListTile(
leading: Image(image: AssetImage(icons[index])),
title: const Text('title'),
),
);
} */
}

417
lib/bups/main - Copy.dart
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import 'dart:collection';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'dart:async';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';
// import 'package:flutter/src/widgets/form.dart';
void main() async {
runApp(
ChangeNotifierProvider(
create: (context) => GarageModel(),
child: MaterialApp(
title: 'Dashboard',
initialRoute: '/',
routes: {
'/' : (context) => const MyApp(),
'/newcar' : (context) => const NewCarScreen(),
'/about': (context) => const AboutScreen(),
},
// home: MyApp()
),
),
);
WidgetsFlutterBinding.ensureInitialized();
final database = openDatabase(
join(await getDatabasesPath(), 'dash_db_sqlite.db'),
onCreate: (db, version) {
return db.execute(
'''CREATE TABLE cars(
id INT INCREMENT,
nickname STRING,
vin STRING PRIMARY KEY,
mileage INT,
owner STRING)''',
);
},
version: 1,
);
/*
Future<void> insertCar(Car car) async {
final db = await database;
await db.insert(
'cars',
car.toMap(),
conflictAlgorithm: ConflictAlgorithm.abort,
);
}
Future<List<Car>> getCars() async {
final db = await database;
final List<Map<String, dynamic>> maps = await db.query('cars');
return List.generate(maps.length, (i) {
return Car(
nickname: maps[i]['nickname'],
vin: maps[i]['vin'],
plate: maps[i]['plate'],
mileage: maps[i]['mileage'],
owner: maps[i]['owner'],
);
});
}
Future<void> updateCar(Car car) async {
final db = await database;
await db.update(
'cars',
car.toMap(),
where: 'vin=?',
whereArgs: [car.vin],
);
}
Future<void> deleteCar(Car car) async {
final db = await database;
await db.delete(
'cars',
where: 'vin=?',
whereArgs: ['vin'],
);
}
*/
}
class GarageModel extends ChangeNotifier {
/// internal state of garage
final List<Car> _cars = [];
UnmodifiableListView<Car> get cars => UnmodifiableListView(_cars);
void add(Car car) {
_cars.add(car);
notifyListeners();
}
void removeAll() {
_cars.clear();
notifyListeners();
}
}
/* class Car {
final String vin;
final String plate;
final String nickname;
final int mileage;
final String owner;
const Car({
required this.vin,
required this.plate,
required this.nickname,
required this.owner,
required this.mileage,
});
// build map, keys must match db col names
Map<String, dynamic> toMap() {
return {
'vin': vin,
'plate': plate,
'nickname': nickname,
'owner': owner,
'mileage': mileage,
};
}
@override
String toString() {
return 'Car{nickname: $nickname, vin: $vin, plate: $plate, owner: $owner}';
}
} */
class Car {
Car({this.vin, this.plate, this.nickname, this.owner, this.mileage});
String? vin;
String? plate;
String? nickname;
String? owner;
int? mileage;
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _formKey = GlobalKey<FormState>();
/* _list() => Expanded(
child: Card(
margin: EdgeInsets.fromLTRB(20,30,20,0),
child: ListView.builder(
padding: EdgeInsets.all(8),
itemBuilder: (context, index){
return Column(
children: <Widget>[
ListTile(
leading: Icon(Icons.directions_car),
title: Text(_cares[index].nickname ?? ''),
subtitle: Text(_cares[index].vin ?? '')m
),
Divider(height: 5.0),
]
);
},
itemCount: _cares.length,
)
)
); */
/* Widget carInfo = Container(
padding: const EdgeInsets.all(16),
child: _list(),
); */
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.indigo,
title: const Text('Dashboard'),
// leading: IconButton(
// icon: const Icon(Icons.menu),
// ),
),
drawer: Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const SizedBox(
height: 64.0,
child: DrawerHeader(
decoration: BoxDecoration(
color: Colors.blue,
),
child: Text(
'Header',
style: TextStyle(
color: Colors.white,
fontSize: 18,
),
),
),
),
ListTile(
leading: Icon(Icons.settings),
title: Text('Settings'),
onTap: () {
print('settings');
},
// do something
),
ListTile(
leading: Icon(Icons.sync),
title: Text('Setup Database'),
onTap: () {
print('dbsetup');
},
),
ListTile(
leading: Icon(Icons.info_outline),
title: Text('About'),
onTap: () {
Navigator.of(context).push(MaterialPageRoute(
builder: (context) => const AboutScreen()));
},
),
],
),
),
body: Container(
color: Colors.lightBlue,
child: Column(
children: [
Expanded(
child: Padding(
padding: const EdgeInsets.all(32),
child: _CarList(),
),
),
const Divider(height: 3, color: Colors.grey),
]
)
),
/* ListView.builder(itemBuilder: (_, index) {
return Container(
padding: const EdgeInsets.all(8),
child: carInfo,
);
}), */
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.add),
onPressed: () { //replace with route
Navigator.pushNamed(context, '/newcar');
/* Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const NewCarScreen())); */
},
),
);
}
// _list() => Container();
void updateCars(Care care) {
setState(() {
_cares.add(care);
});
} //will this work???????????????????????????
}
class AboutScreen extends StatelessWidget {
// change to AboutDialog
const AboutScreen(
{super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('About Page'),
backgroundColor: Colors.indigo,
),
body: const Center(
child: Text('About Page Text, Lorum Ipsum and whatnot.'),
));
}
}
class NewCarScreen extends StatefulWidget {
const NewCarScreen({super.key});
@override
State<NewCarScreen> createState() => _NewCarScreenState();
}
class _NewCarScreenState extends State<NewCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
Care _care = Care();
List<Care> _cares = [];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Add New Car'),
backgroundColor: Colors.indigo,
),
body: Container(
padding: EdgeInsets.all(32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => _care.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => _care.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => _care.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: ElevatedButton(
onPressed: () {
if (_formKey.currentState!.validate()) {
_onSubmit();
}
},
child: Row(
children: const <Widget>[
Icon(Icons.add),
Text('Add Car'),
],
),
),
),
],
),
),
),
);
}
_onSubmit() {
var form = _formKey.currentState!;
// _formKey.currentState!.save();
form.save(); //callback in form text fields
print(_care.nickname);
setState(() { //ensure you re-pass values,
_cares.add(Care(vin:_care.vin,nickname:_care.nickname,owner:_care.owner, plate:_care.plate, mileage:_care.mileage));
});
setState(() {
widget._list.add(_care));
});
// widget.onSubmit(_care);
form.reset();
}
Future<void> _returnHome(BuildContext context) async {
final newCar = await Navigator.push(
context,
MaterialPageRoute(builder: (context) => const MyApp()),
);
if (!mounted) return;
}
}
/* class SelectCarIconScreen extends StatelessWidget {
const SelectCarIconScreen({super.key});
@override
Widget build(BuildContext context) {
return
}
} */

911
lib/bups/main-20221109.dart
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import 'dart:collection';
import 'package:dash/utils/dbhelper_sqflite.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
// import 'package:path/path.dart';
// import 'package:sqflite/sqflite.dart';
import 'package:dash/models/car.dart';
import 'package:dash/models/txn.dart';
// import 'package:flutter/src/widgets/form.dart';
void main() async {
runApp(
ChangeNotifierProvider(
create: (context) => GarageModel(),
child: const MaterialApp(
title: 'Dashboard',
home: MyApp(),
/* initialRoute: '/',
routes: {
'/': (context) => const MyApp(),
'/about': (context) => const AboutScreen(),
'/newcar': (context) => const NewCarScreen(),
'/detail': (context) => const CarDetailScreen(),
'/edit': (context) => EditCarScreen(),
}, */
),
),
);
// WidgetsFlutterBinding.ensureInitialized(); // is this necessary?
}
class GarageModel extends ChangeNotifier {
/// internal state of garage
late List<Car> _cars = [];
late List<Txn> _txns = []; // hold current car txns, repl on new load
final DbHelperSqlite _dbHelper = DbHelperSqlite.instance;
UnmodifiableListView<Car> get cars => UnmodifiableListView(_cars);
UnmodifiableListView<Txn> get txns => UnmodifiableListView(_txns);
void add(Car car) {
// _cars.add(car);
_dbHelper.insertCar(car);
getCars(); // prob nec to update `id`
notifyListeners();
}
void update(Car car, int carIndex) {
_cars[carIndex] = car; // replace list car with new values
_dbHelper.updateCar(car);
print('updated car ${car.toMap()}');
getCars();
// print(_cars);
notifyListeners();
}
void delete(Car car) {
// ignore: no_leading_underscores_for_local_identifiers
_cars.removeWhere((_car) => _car.id == car.id);
_dbHelper.deleteCar(car);
print('$car with id ${car.id} deleted');
getCars();
notifyListeners();
}
void clearCarList() {
// clear _cars; doesn't affect database
// useful for clearing cars that didn't make it into the db
_cars.clear();
notifyListeners();
}
void deleteAllCars() {
// delete rows from CarTable
_cars.clear();
_dbHelper.deleteAll();
notifyListeners();
}
Future<void> getCars() async {
// _cars.clear();
print('getcars');
_cars = await _dbHelper.fetchCars();
print(_cars);
// notifyListeners(); //for some reason this inits db infinitely
}
void insertTxn(Txn txn) async {
await _dbHelper.insertTxn(txn);
// update car
await getTxns(txn.carid!);
notifyListeners();
}
void deleteTxn(Txn txn) {
_dbHelper.deleteTxn(txn);
// get old mileage from car
notifyListeners();
}
Future<void> getTxns(int carid) async {
_txns = await _dbHelper.fetchTxns(carid);
print('get txns: $_txns');
}
}
class Garage extends StatefulWidget {
const Garage({super.key});
@override
State<Garage> createState() => _Garage();
}
class _Garage extends State<Garage> {
late Future _cars;
@override
void initState() {
_cars = Provider.of<GarageModel>(context, listen: false).getCars();
// _cars = Provider.of<GarageModel>(context).getCars();
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: _cars,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(
child: Consumer<GarageModel>(builder: (context, garage, child) {
return ListView.separated(
// padding: const EdgeInsets.all(8),
itemCount: garage._cars.length,
itemBuilder: (context, index) => ListTile(
leading: const Icon(Icons.directions_car),
title: Text(garage.cars[index].nickname ?? "nick_ph"),
subtitle: Text(garage.cars[index].vin ?? "vin_ph"),
/* trailing: IconButton(
onPressed: Navigator.push(
context,
MaterialPageRoute(
builder: (context) => EditCarScreen(
car: garage._cars[index], carIndex: index)),
),
icon: Icons.edit),
),
onTap: () => Navigator.pushNamed(context, '/detail'), */
onTap: () {
Navigator.of(context).push(
// context,
MaterialPageRoute(
builder: (context) => CarDetailScreen(carIndex: index),
),
);
},
),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
}));
}
}
},
);
}
}
class CurrentCar extends StatefulWidget {
CurrentCar({super.key, required this.car});
Car car;
@override
State<CurrentCar> createState() => _CurrentCar();
}
class _CurrentCar extends State<CurrentCar> {
late Future _txns;
late Car car = widget.car;
@override
void initState() {
_txns = Provider.of<GarageModel>(context, listen: false).getTxns(car.id!);
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: _txns,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(child: Consumer<GarageModel>(
builder: (context, garage, child) {
return ListView.separated(
// padding: const EdgeInsets.all(8),
itemCount: garage.txns.length,
itemBuilder: (context, index) => ListTile(
// dense: true,
visualDensity:
const VisualDensity(horizontal: 0, vertical: -4),
leading: const Icon(Icons.local_gas_station),
// leading: const Icon(Icons.build),
title: Text(garage.txns[index].txntype ?? "type"),
subtitle: Text(garage.txns[index].note ?? "note"),
onTap: (() => VoidCallback)),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
},
));
}
}
});
}
}
class MyDrawer extends StatelessWidget {
const MyDrawer({super.key});
@override
Widget build(BuildContext context) {
return Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const SizedBox(
height: 80.0,
child: DrawerHeader(
decoration: BoxDecoration(
color: Color.fromARGB(255, 185, 47, 5),
),
child: Text(
'Options',
style: TextStyle(
color: Colors.white,
fontSize: 18,
),
),
),
),
ListTile(
leading: const Icon(Icons.settings),
title: const Text('Settings'),
onTap: () {
print('settings');
},
// do something
),
ListTile(
leading: const Icon(Icons.sync),
title: const Text('Setup Database'),
onTap: () {
print('dbsetup');
},
),
ListTile(
leading: const Icon(Icons.info_outline),
title: const Text('About'),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const AboutScreen()));
},
),
],
),
);
}
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
var garage = context.watch<GarageModel>(); // testing
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: const Text('Dashboard'),
),
drawer: const MyDrawer(),
body: Container(
padding: const EdgeInsets.all(32),
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.clearCarList()),
// onPressed: (() => VoidCallback),
onLongPress: () {
garage.deleteAllCars();
// VoidCallback;
},
child: Row(
children: const <Widget>[
Icon(Icons.delete),
Text('Remove All Cars'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.getCars()),
// onPressed: (() => VoidCallback),
child: Row(
children: const <Widget>[
Icon(Icons.sync),
Text('Refresh garage'),
],
),
),
),
const Garage(), // list of cars in garage
],
),
),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.add),
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => const NewCarScreen()));
},
),
);
}
}
class AboutScreen extends StatelessWidget {
// change to AboutDialog
const AboutScreen(
{super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('About Page'),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: const Center(
child: Text('About Page Text, Lorum Ipsum and whatnot.'),
));
}
}
class NewCarScreen extends StatefulWidget {
const NewCarScreen({super.key});
@override
State<NewCarScreen> createState() => _NewCarScreenState();
}
class _NewCarScreenState extends State<NewCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
Car _car = Car(); //initialization is required
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Add New Car'),
backgroundColor: Colors.indigo,
),
body: Container(
padding: const EdgeInsets.all(32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => _car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => _car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'License Plate',
),
onSaved: (val) => setState(() => _car.plate = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a license plate';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => _car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: ElevatedButton(
// onPressed: () => _onSubmit(context),
onPressed: () {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form
.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage =
context.read<GarageModel>(); //implement Provider
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
Icon(Icons.add),
Text('Add Car'),
],
),
),
),
],
),
),
),
);
}
_onSubmit(context) async {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage = context.read<GarageModel>(); //implement Provider
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
}
}
class CarDetailScreen extends StatelessWidget {
// const CarDetailScreen({super.key, required this.car, required this.carIndex});
CarDetailScreen({super.key, required this.carIndex});
final int carIndex; //pass this thru for edit screen
// late Car car;
@override
Widget build(BuildContext context) {
late Car car = context.read<GarageModel>()._cars[carIndex];
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: Text(car.nickname ?? ""),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
const Text("plh img picker"),
Center(
// edit car screen
child: Ink(
decoration: const ShapeDecoration(
color: Colors.lightBlue, shape: CircleBorder()),
child: IconButton(
icon: const Icon(Icons.edit),
color: Colors.white,
onPressed: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
EditCarScreen(car: car, carIndex: carIndex)),
);
},
),
),
),
],
),
IconButton(
iconSize: 48.0,
icon: const Icon(Icons.directions_car),
onPressed: (() => VoidCallback),
),
Text("Nickname: ${car.nickname}"),
Text("VIN: ${car.vin}"),
Text("License Plate: ${car.plate}"),
Text("Mileage: ${car.mileage.toString()}"),
CurrentCar(car: car),
],
),
),
floatingActionButton: FloatingActionButton(
// add txn
onPressed: () {
Navigator.of(context).push(
// context,
MaterialPageRoute(
builder: (context) => NewTxn(
car: car,
carIndex: carIndex), //add car index so you can update?
),
);
},
child: const Icon(Icons.edit),
),
);
}
}
class EditCarScreen extends StatefulWidget {
EditCarScreen({super.key, required this.car, required this.carIndex});
Car car;
int carIndex;
@override
State<EditCarScreen> createState() => _EditCarScreenState();
}
class _EditCarScreenState extends State<EditCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
late Car car = widget.car; //initialization is required
late int carIndex = widget.carIndex;
@override
Widget build(BuildContext context) {
var garage = context.read<GarageModel>();
return Scaffold(
appBar: AppBar(
title: Text("Edit ${car.nickname}"),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Container(
padding: const EdgeInsets.all(16),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
initialValue: car.nickname,
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
initialValue: car.vin,
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
initialValue: car.plate,
decoration: const InputDecoration(
labelText: 'License Plate',
),
onSaved: (val) => setState(() => car.plate = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a license plate';
}
return null;
},
),
TextFormField(
initialValue: car.mileage.toString(),
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: () {
final updateForm = _formKey.currentState!;
if (updateForm.validate()) {
//validate form
updateForm
.save(); //save values (reqd before putting them anywhere)
garage.update(car, carIndex);
updateForm.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
//expand these children, too tight
Icon(Icons.save),
Text('Save Changes'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
onLongPress: () {
garage.delete(car);
Navigator.pushNamed(context, '/');
},
child: Row(children: const <Widget>[
Icon(Icons.delete),
Text('Delete'),
]),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
child: Row(children: const <Widget>[
Icon(Icons.sync_alt),
Text('enable/disable'),
]),
),
),
],
),
),
),
);
}
}
class NewTxn extends StatefulWidget {
NewTxn({super.key, required this.car, required this.carIndex});
Car car;
int carIndex;
@override
State<NewTxn> createState() => _NewTxnState();
}
class _NewTxnState extends State<NewTxn> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
late Car car = widget.car;
late int carIndex = widget.carIndex;
DateTime datetime = DateTime.now();
Txn txn = Txn();
Future<void> _selectDate(BuildContext context) async {
final DateTime? timepicked = await showDatePicker(
context: context,
initialDate: datetime,
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22));
if (timepicked != null && timepicked != datetime) {
setState(() => datetime = timepicked);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Add new txn for ${car.nickname}"),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Container(
padding: const EdgeInsets.all(16),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
// txntype - change to dropdown
TextFormField(
decoration: const InputDecoration(
labelText: 'Type',
),
onSaved: (val) => setState(() => txn.txntype = val),
),
Row(
children: [
Flexible(
flex: 1,
child: IconButton(
onPressed: () => _selectDate(context),
icon: const Icon(Icons.calendar_month)),
),
Flexible(
flex: 3,
child: InputDatePickerFormField(
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22),
initialDate: datetime,
onDateSaved: (val) => setState(
() => txn.datetime = val.millisecondsSinceEpoch)),
),
],
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Cost',
),
onSaved: (val) =>
setState(() => txn.cost = double.parse(val ?? "")),
keyboardType: TextInputType.number,
),
TextFormField(
initialValue: car.mileage.toString(),
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => txn.mileage = int.parse(val ?? "")),
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return "Must be >= current mileage";
} else if (int.parse(value) < car.mileage!.toInt()) {
return 'Must be >= current mileage';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Note',
),
onSaved: (val) => setState(() => txn.note = val),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: () {
final form = _formKey.currentState!;
if (form.validate()) {
form.save();
setState(() {
txn.datetime = DateTime.now().millisecondsSinceEpoch;
txn.carid = car.id;
car.mileage = txn.mileage; // update car mileage too
});
var garage = context.read<GarageModel>();
garage.update(car, carIndex);
print(txn.toMap());
garage.insertTxn(txn);
form.reset();
Navigator.of(context).push(
MaterialPageRoute(
builder: (context) =>
CarDetailScreen(carIndex: carIndex),
),
);
// Navigator.of(context).pop();
}
},
child: Row(
children: const <Widget>[
//expand these children, too tight
Icon(Icons.save),
Text('Save Changes'),
],
),
),
),
],
),
),
),
);
}
}
/* class MyDatePicker extends StatefulWidget {
const MyDatePicker({super.key});
@override
State<MyDatePicker> createState() => _MyDatePicker();
}
class _MyDatePicker extends State<MyDatePicker> {
@override
Widget build(BuildContext context) {
return Row(children: [
Flexible(
flex: 1,
child: IconButton(
onPressed: () async {
showDatePicker(
context: context,
initialDate: DateTime.now(),
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22));
},
icon: const Icon(Icons.calendar_month)),
),
Flexible(
flex: 3,
child: InputDatePickerFormField(
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22),
initialDate: DateTime.now(),
onDateSaved: (val) =>
setState(() => txn.datetime = val.millisecondsSinceEpoch)),
),
]);
}
} */
/* class IconPicker extends SimpleDialog {
IconPicker({super.key})
@override
Widget build (BuildContext context) {
return SimpleDialog(
title: const Text("Pick an icon"),
);
}
} */

856
lib/bups/main-20221111.dart
View File

@@ -1,856 +0,0 @@
import 'dart:collection';
import 'package:dash/utils/dbhelper_sqflite.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
// import 'package:path/path.dart';
// import 'package:sqflite/sqflite.dart';
import 'package:dash/models/car.dart';
import 'package:dash/models/txn.dart';
// import 'package:flutter/src/widgets/form.dart';
void main() async {
runApp(
ChangeNotifierProvider(
create: (context) => GarageModel(),
child: const MaterialApp(
title: 'Dashboard',
home: MyApp(),
/* initialRoute: '/',
routes: {
'/': (context) => const MyApp(),
'/about': (context) => const AboutScreen(),
'/newcar': (context) => const NewCarScreen(),
'/detail': (context) => CarDetailScreen(),
'/edit': (context) => EditCarScreen(),
}, */
),
),
);
// WidgetsFlutterBinding.ensureInitialized(); // is this necessary?
}
class GarageModel extends ChangeNotifier {
/// internal state of garage
late List<Car> _cars = [];
late List<Txn> _txns = []; // hold current car txns, repl on new load
final DbHelperSqlite _dbHelper = DbHelperSqlite.instance;
UnmodifiableListView<Car> get cars => UnmodifiableListView(_cars);
UnmodifiableListView<Txn> get txns => UnmodifiableListView(_txns);
void add(Car car) {
// _cars.add(car);
_dbHelper.insertCar(car);
getCars(); // prob nec to update `id`
notifyListeners();
}
void update(Car car, int carIndex) {
_cars[carIndex] = car; // replace list car with new values
_dbHelper.updateCar(car);
print('updated car ${car.toMap()}');
getCars();
// print(_cars);
notifyListeners();
}
void delete(Car car) {
// ignore: no_leading_underscores_for_local_identifiers
_cars.removeWhere((_car) => _car.id == car.id);
_dbHelper.deleteCar(car);
print('$car with id ${car.id} deleted');
getCars();
notifyListeners();
}
void clearCarList() {
// clear _cars; doesn't affect database
// useful for clearing cars that didn't make it into the db
_cars.clear();
notifyListeners();
}
void deleteAllCars() {
// delete rows from CarTable
_cars.clear();
_dbHelper.deleteAll();
notifyListeners();
}
Future<void> getCars() async {
// _cars.clear();
print('getcars');
_cars = await _dbHelper.fetchCars();
print(_cars);
// notifyListeners(); //for some reason this inits db infinitely
}
void insertTxn(Txn txn) async {
await _dbHelper.insertTxn(txn);
// update car
await getTxns(txn.carid!);
notifyListeners();
}
void deleteTxn(Txn txn) {
_dbHelper.deleteTxn(txn);
// get old mileage from car
notifyListeners();
}
Future<void> getTxns(int carid) async {
_txns = await _dbHelper.fetchTxns(carid);
print('get txns: $_txns');
}
}
class Garage extends StatefulWidget {
const Garage({super.key});
@override
State<Garage> createState() => _Garage();
}
class _Garage extends State<Garage> {
late Future _cars;
@override
void initState() {
_cars = Provider.of<GarageModel>(context, listen: false).getCars();
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: _cars,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(
child: Consumer<GarageModel>(builder: (context, garage, child) {
return ListView.separated(
itemCount: garage._cars.length,
itemBuilder: (context, index) => ListTile(
leading: const Icon(Icons.directions_car),
title: Text(garage.cars[index].nickname ?? "nick_ph"),
subtitle: Text(garage.cars[index].vin ?? "vin_ph"),
onTap: () {
Navigator.of(context)
.push(MaterialPageRoute(
builder: (context) =>
CarDetailScreen(carIndex: index),
))
.then((value) => setState(() {}));
},
),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
}));
}
}
},
);
}
}
class CurrentCar extends StatefulWidget {
const CurrentCar({super.key, required this.car});
final Car car;
@override
State<CurrentCar> createState() => _CurrentCar();
}
class _CurrentCar extends State<CurrentCar> {
late Future _txns;
late Car car = widget.car;
@override
void initState() {
_txns = Provider.of<GarageModel>(context, listen: false).getTxns(car.id!);
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: _txns,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(child: Consumer<GarageModel>(
builder: (context, garage, child) {
return ListView.separated(
// padding: const EdgeInsets.all(8),
itemCount: garage.txns.length,
itemBuilder: (context, index) => ListTile(
// dense: true, //only affects text, use visualDensity instead
visualDensity:
const VisualDensity(horizontal: 0, vertical: -4),
leading: const Icon(Icons.local_gas_station),
title: Text(garage.txns[index].txntype ?? "type"),
subtitle: Text(garage.txns[index].note ?? "note"),
onTap: (() => VoidCallback)),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
},
));
}
}
});
}
}
class MyDrawer extends StatelessWidget {
const MyDrawer({super.key});
@override
Widget build(BuildContext context) {
return Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const SizedBox(
height: 80.0,
child: DrawerHeader(
decoration: BoxDecoration(
color: Color.fromARGB(255, 185, 47, 5),
),
child: Text(
'Options',
style: TextStyle(
color: Colors.white,
fontSize: 18,
),
),
),
),
ListTile(
leading: const Icon(Icons.settings),
title: const Text('Settings'),
onTap: () {
print('settings');
},
// do something
),
ListTile(
leading: const Icon(Icons.sync),
title: const Text('Setup Database'),
onTap: () {
print('dbsetup');
},
),
ListTile(
leading: const Icon(Icons.info_outline),
title: const Text('About'),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const AboutScreen()));
},
),
],
),
);
}
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
var garage = context.watch<GarageModel>(); // testing
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: const Text('Dashboard'),
),
drawer: const MyDrawer(),
body: Container(
padding: const EdgeInsets.all(32),
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.clearCarList()),
// onPressed: (() => VoidCallback),
onLongPress: () {
garage.deleteAllCars();
// VoidCallback;
},
child: Row(
children: const <Widget>[
Icon(Icons.delete),
Text('Remove All Cars'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.getCars()),
// onPressed: (() => VoidCallback),
child: Row(
children: const <Widget>[
Icon(Icons.sync),
Text('Refresh garage'),
],
),
),
),
const Garage(), // list of cars in garage
],
),
),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.add),
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => const NewCarScreen()));
},
),
);
}
}
class AboutScreen extends StatelessWidget {
// change to AboutDialog
const AboutScreen(
{super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('About Page'),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: const Center(
child: Text('About Page Text, Lorum Ipsum and whatnot.'),
));
}
}
class NewCarScreen extends StatefulWidget {
const NewCarScreen({super.key});
@override
State<NewCarScreen> createState() => _NewCarScreenState();
}
class _NewCarScreenState extends State<NewCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
Car _car = Car(); //initialization is required
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Add New Car'),
backgroundColor: Colors.indigo,
),
body: Container(
padding: const EdgeInsets.all(32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => _car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => _car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'License Plate',
),
onSaved: (val) => setState(() => _car.plate = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a license plate';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => _car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: ElevatedButton(
// onPressed: () => _onSubmit(context),
onPressed: () {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form
.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage = context.read<GarageModel>();
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
Icon(Icons.add),
Text('Add Car'),
],
),
),
),
],
),
),
),
);
}
_onSubmit(context) async {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage = context.read<GarageModel>(); //implement Provider
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
}
}
class CarDetailScreen extends StatefulWidget {
CarDetailScreen({super.key, required this.carIndex});
final int carIndex;
@override
State<CarDetailScreen> createState() => _CarDetailScreenState();
}
class _CarDetailScreenState extends State<CarDetailScreen> {
late Car car = context.watch<GarageModel>()._cars[widget.carIndex];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: Text(car.nickname ?? ""),
),
body: Padding(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
const Text("plh img picker"),
Center(
// edit car screen
child: Ink(
decoration: const ShapeDecoration(
color: Colors.lightBlue, shape: CircleBorder()),
child: IconButton(
icon: const Icon(Icons.edit),
color: Colors.white,
onPressed: () async {
await Navigator.push(
context,
MaterialPageRoute(
builder: (context) => EditCarScreen(
car: car, carIndex: widget.carIndex)),
);
},
),
),
),
],
),
IconButton(
iconSize: 48.0,
icon: const Icon(Icons.directions_car),
onPressed: (() => VoidCallback),
),
Text("Nickname: ${car.nickname}"),
Text("VIN: ${car.vin}"),
Text("License Plate: ${car.plate}"),
Text("Mileage: ${car.mileage.toString()}"),
CurrentCar(car: car),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(
builder: (context) => NewTxn(car: car, carIndex: widget.carIndex),
),
);
},
child: const Icon(Icons.add),
),
);
}
}
class EditCarScreen extends StatefulWidget {
EditCarScreen({super.key, required this.car, required this.carIndex});
Car car;
int carIndex;
@override
State<EditCarScreen> createState() => _EditCarScreenState();
}
class _EditCarScreenState extends State<EditCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
late Car car = widget.car;
late int carIndex = widget.carIndex;
@override
Widget build(BuildContext context) {
var garage = context.read<GarageModel>();
return Scaffold(
appBar: AppBar(
title: Text("Edit ${car.nickname}"),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Container(
padding: const EdgeInsets.all(16),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
TextFormField(
initialValue: car.nickname,
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
initialValue: car.vin,
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
initialValue: car.plate,
decoration: const InputDecoration(
labelText: 'License Plate',
),
onSaved: (val) => setState(() => car.plate = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a license plate';
}
return null;
},
),
TextFormField(
initialValue: car.mileage.toString(),
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: () {
final updateForm = _formKey.currentState!;
if (updateForm.validate()) {
//validate form
updateForm
.save(); //save values (reqd before putting them anywhere)
garage.update(car, carIndex);
updateForm.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
//expand these children, too tight
Icon(Icons.save),
Text('Save Changes'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
onLongPress: () {
garage.delete(car);
Navigator.pushNamed(context, '/');
},
child: Row(children: const <Widget>[
Icon(Icons.delete),
Text('Delete'),
]),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
child: Row(children: const <Widget>[
Icon(Icons.sync_alt),
Text('enable/disable'),
]),
),
),
],
),
),
),
);
}
}
class NewTxn extends StatefulWidget {
NewTxn({super.key, required this.car, required this.carIndex});
Car car;
int carIndex;
@override
State<NewTxn> createState() => _NewTxnState();
}
class _NewTxnState extends State<NewTxn> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
late Car car = widget.car;
late int carIndex = widget.carIndex;
DateTime datetime = DateTime.now();
Txn txn = Txn();
bool refresh = false;
Future<void> _selectDate(BuildContext context) async {
final DateTime? timepicked = await showDatePicker(
context: context,
initialDate: datetime,
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22));
if (timepicked != null && timepicked != datetime) {
setState(() => datetime = timepicked);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text("Add new txn for ${car.nickname}"),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Container(
padding: const EdgeInsets.all(16),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
// txntype - change to dropdown
TextFormField(
decoration: const InputDecoration(
labelText: 'Type',
),
onSaved: (val) => setState(() => txn.txntype = val),
),
Row(
children: [
Flexible(
flex: 1,
child: IconButton(
onPressed: () => _selectDate(context),
icon: const Icon(Icons.calendar_month)),
),
Flexible(
flex: 3,
child: InputDatePickerFormField(
firstDate: DateTime.utc(1776, 7, 4),
lastDate: DateTime.utc(2222, 2, 22),
initialDate: datetime,
onDateSaved: (val) => setState(
() => txn.datetime = val.millisecondsSinceEpoch)),
),
],
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Cost',
),
initialValue: "0",
onSaved: (val) =>
setState(() => txn.cost = double.parse(val ?? "0")),
keyboardType: TextInputType.number,
),
TextFormField(
initialValue: car.mileage.toString(),
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => txn.mileage = int.parse(val ?? "")),
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return "Must be >= current mileage";
} else if (int.parse(value) < car.mileage!.toInt()) {
return 'Must be >= current mileage';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Note',
),
onSaved: (val) => setState(() => txn.note = val),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: () {
final form = _formKey.currentState!;
if (form.validate()) {
form.save();
setState(() {
txn.datetime = DateTime.now().millisecondsSinceEpoch;
txn.carid = car.id;
car.mileage = txn.mileage; // update car mileage too
});
var garage = context.read<GarageModel>();
garage.update(car, carIndex);
print(txn.toMap());
garage.insertTxn(txn);
form.reset();
Navigator.pop(context);
}
},
child: Row(
children: const <Widget>[
//expand these children, too tight
Icon(Icons.save),
Text('Save Changes'),
],
),
),
),
],
),
),
),
);
}
}
/* class IconPicker extends SimpleDialog {
IconPicker({super.key})
@override
Widget build (BuildContext context) {
return SimpleDialog(
title: const Text("Pick an icon"),
);
}
} */

264
lib/bups/main-med.dart
View File

@@ -1,264 +0,0 @@
// Copyright 2018 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:dash/utils/dbhelper_sqflite.dart';
import 'package:flutter/material.dart';
// import 'package:flutter/provider.dart';
import 'dart:async';
import 'package:flutter/widgets.dart';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';
void main() async {
runApp(MaterialApp(home: MyApp()));
final dbHelper = DbHelperSqlite.instance; //medium method
var newCar = const Car(
vin: '123abc',
plate: 'n1ce',
nickname: 'My Car',
owner: 'Ben',
mileage: 7,
);
}
class Car {
final String vin;
final String plate;
final String nickname;
final int mileage;
final String owner;
const Car({
required this.vin,
required this.plate,
required this.nickname,
required this.owner,
required this.mileage,
});
// build map, keys must match db col names
Map<String, dynamic> toMap() {
return {
'vin': vin,
'plate': plate,
'nickname': nickname,
'owner': owner,
'mileage': mileage,
};
}
@override
String toString() {
return 'Car{nickname: $nickname, vin: $vin, plate: $plate, owner: $owner}';
}
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
Widget carInfo = Container(
padding: const EdgeInsets.all(16),
child: Row(children: [
Image.asset(
'images/mazda.png',
),
Icon(
Icons.directions_car_filled,
color: Colors.red[500],
),
const Text('Nickname'),
]),
);
return MaterialApp(
title: 'Dashboard App',
// home: const ManageScreen(),
home: Scaffold(
appBar: AppBar(
backgroundColor: Colors.indigo,
title: const Text('Dashboard'),
// leading: IconButton(
// icon: const Icon(Icons.menu),
// ),
),
drawer: Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const SizedBox(
height: 64.0,
child: DrawerHeader(
decoration: BoxDecoration(
color: Colors.blue,
),
child: Text(
'Header',
style: TextStyle(
color: Colors.white,
fontSize: 18,
),
),
),
),
ListTile(
leading: Icon(Icons.settings),
title: Text('Settings'),
onTap: () {
print('settings');
},
// do something
),
ListTile(
leading: Icon(Icons.sync),
title: Text('Setup Database'),
onTap: () {
print('dbsetup');
},
),
ListTile(
leading: Icon(Icons.info_outline),
title: Text('About'),
onTap: () {
Navigator.of(context).push(MaterialPageRoute(
builder: (context) => const AboutScreen()));
},
),
],
),
),
body: ListView.builder(itemBuilder: (_, index) {
return Container(
padding: const EdgeInsets.all(8),
child: carInfo,
);
}),
floatingActionButton: FloatingActionButton(
onPressed: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const NewCarScreen()));
},
),
),
);
}
}
class AboutScreen extends StatelessWidget { // change to AboutDialog
const AboutScreen({super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('About Page'),
backgroundColor: Colors.indigo,
),
body: const Center(
child: Text('About Page Text, Lorum Ipsum and whatnot.'),
));
}
}
class NewCarScreen extends StatefulWidget {
const NewCarScreen({super.key});
@override
State<NewCarScreen> createState() => _NewCarScreenState();
}
class _NewCarScreenState extends State<NewCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Add New Car'),
backgroundColor: Colors.indigo,
),
body: Container(
padding: EdgeInsets.all(32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
// Text('Add new car form here'),
TextFormField(
decoration: const InputDecoration(
hintText: 'Nickname for this car',
),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
hintText: 'Unique VIN',
),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
hintText: 'Mileage',
),
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: ElevatedButton(
onPressed: () {
if (_formKey.currentState!.validate()) {
// process
}
},
child: Row(
children: const <Widget>[
Icon(Icons.add),
Text('Add Car'),
],
),
),
),
],
),
),
),
);
}
}
class SelectCarIconScreen extends StatelessWidget {
const SelectCarIconScreen({super.key});
@override
Widget build(BuildContext context) {
return
}
}

625
lib/bups/main_20221031.dart
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@@ -1,625 +0,0 @@
import 'dart:collection';
import 'package:dash/utils/dbhelper_sqflite.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
// import 'package:path/path.dart';
// import 'package:sqflite/sqflite.dart';
import 'package:dash/models/car.dart';
// import 'package:flutter/src/widgets/form.dart';
void main() async {
runApp(
ChangeNotifierProvider(
create: (context) => GarageModel(),
child: const MaterialApp(
title: 'Dashboard',
home: MyApp(),
/* initialRoute: '/',
routes: {
'/': (context) => const MyApp(),
'/about': (context) => const AboutScreen(),
'/newcar': (context) => const NewCarScreen(),
'/detail': (context) => const CarDetailScreen(),
'/edit': (context) => EditCarScreen(),
}, */
),
),
);
// WidgetsFlutterBinding.ensureInitialized(); // is this necessary?
}
class GarageModel extends ChangeNotifier {
/// internal state of garage
late List<Car> _cars = [];
final DbHelperSqlite _dbHelper = DbHelperSqlite.instance;
UnmodifiableListView<Car> get cars => UnmodifiableListView(_cars);
void add(Car car) {
_cars.add(car);
_dbHelper.insertCar(car);
// getCars(); // prob nec to update `id`
notifyListeners();
}
void update(Car car, int carIndex) {
_cars[carIndex] = car; // replace list car with new values
_dbHelper.updateCar(car);
print('car.id is ${car.id}');
getCars();
notifyListeners();
}
void delete(Car car) {
_cars.removeWhere((_car) => _car.id == car.id);
_dbHelper.deleteCar(car);
print('${car} deleted');
notifyListeners();
}
void clearCarList() {
// clear _cars; doesn't affect database
// useful for clearing cars that didn't make it into the db
_cars.clear();
notifyListeners();
}
void deleteAllCars() {
// delete rows from CarTable
_cars.clear();
_dbHelper.deleteAll();
notifyListeners();
}
Future<void> getCars() async {
// _cars.clear();
print('getcars');
_cars = await _dbHelper.fetchCars();
print(_cars);
// notifyListeners(); //for some reason this inits db infinitely
}
}
class Garage extends StatefulWidget {
const Garage({super.key});
@override
State<Garage> createState() => _Garage();
}
class _Garage extends State<Garage> {
late Future _cars;
@override
void initState() {
_cars = Provider.of<GarageModel>(context, listen: false).getCars();
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: _cars,
builder: (context, snapshot) {
if (snapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (snapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(
child: Consumer<GarageModel>(builder: (context, garage, child) {
return ListView.separated(
// padding: const EdgeInsets.all(8),
itemCount: garage._cars.length,
itemBuilder: (context, index) => ListTile(
leading: const Icon(Icons.directions_car),
title: Text(garage.cars[index].nickname ?? "nick_ph"),
subtitle: Text(garage.cars[index].vin ?? "vin_ph"),
// onTap: () => Navigator.pushNamed(context, '/detail'),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => EditCarScreen(
car: garage._cars[index], carIndex: index)),
);
}),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
}));
}
}
},
);
}
}
class _CarList extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Consumer<GarageModel>(
builder: (context, garage, child) {
return ListView.separated(
// padding: const EdgeInsets.all(8),
itemCount: garage._cars.length,
itemBuilder: (context, index) => ListTile(
leading: const Icon(Icons.directions_car),
title: Text(garage.cars[index].nickname ?? "nick_ph"),
subtitle: Text(garage.cars[index].vin ?? "vin_ph"),
// onTap: () => Navigator.pushNamed(context, '/detail'),
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => EditCarScreen(
car: garage._cars[index], carIndex: index)),
);
}),
separatorBuilder: (BuildContext context, int index) =>
const Divider(),
);
},
);
}
}
class MyDrawer extends StatelessWidget {
const MyDrawer({super.key});
@override
Widget build(BuildContext context) {
return Drawer(
child: ListView(
padding: EdgeInsets.zero,
children: <Widget>[
const SizedBox(
height: 80.0,
child: DrawerHeader(
decoration: BoxDecoration(
color: Color.fromARGB(255, 185, 47, 5),
),
child: Text(
'Options',
style: TextStyle(
color: Colors.white,
fontSize: 18,
),
),
),
),
ListTile(
leading: const Icon(Icons.settings),
title: const Text('Settings'),
onTap: () {
print('settings');
},
// do something
),
ListTile(
leading: const Icon(Icons.sync),
title: const Text('Setup Database'),
onTap: () {
print('dbsetup');
},
),
ListTile(
leading: const Icon(Icons.info_outline),
title: const Text('About'),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => const AboutScreen()));
},
),
],
),
);
}
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
@override
Widget build(BuildContext context) {
// context.watch<GarageModel>().getCars(); // testing
var garage = context.watch<GarageModel>(); // testing
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: const Text('Dashboard'),
),
drawer: const MyDrawer(),
body: Container(
padding: const EdgeInsets.all(32),
child: Column(
children: [
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.clearCarList()),
// onPressed: (() => VoidCallback),
onLongPress: () {
garage.deleteAllCars();
// VoidCallback;
},
child: Row(
children: const <Widget>[
Icon(Icons.delete),
Text('Remove All Cars'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => garage.getCars()),
// onPressed: (() => VoidCallback),
child: Row(
children: const <Widget>[
Icon(Icons.sync),
Text('Refresh garage'),
],
),
),
),
const Garage(),
/* FutureBuilder(
future:
Provider.of<GarageModel>(context, listen: false).getCars(),
builder: (context, dataSnapshot) {
if (dataSnapshot.connectionState == ConnectionState.waiting) {
return const Center(
child: CircularProgressIndicator(),
);
} else {
if (dataSnapshot.error != null) {
return const Center(
child: Text('An error occurred'),
);
} else {
return Expanded(
child: _CarList(),
);
}
}
},
), */
],
),
),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.add),
onPressed: () {
Navigator.push(context,
MaterialPageRoute(builder: (context) => const NewCarScreen()));
},
),
);
}
}
class AboutScreen extends StatelessWidget {
// change to AboutDialog
const AboutScreen(
{super.key}); //https://api.flutter.dev/flutter/material/AboutDialog-class.html
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('About Page'),
backgroundColor: Colors.indigo,
),
body: const Center(
child: Text('About Page Text, Lorum Ipsum and whatnot.'),
));
}
}
class NewCarScreen extends StatefulWidget {
const NewCarScreen({super.key});
@override
State<NewCarScreen> createState() => _NewCarScreenState();
}
class _NewCarScreenState extends State<NewCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
Car _car = Car(); //initialization is required
/* DbHelperSqlite _dbHelper = DbHelperSqlite.instance;
@override
void initState() {
super.initState();
setState(() {
_dbHelper = DbHelperSqlite.instance;
});
} */
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Add New Car'),
backgroundColor: Colors.indigo,
),
body: Container(
padding: const EdgeInsets.all(32),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => _car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => _car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => _car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 16.0),
child: ElevatedButton(
// onPressed: () => _onSubmit(context),
onPressed: () {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form
.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage =
context.read<GarageModel>(); //implement Provider
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
Icon(Icons.add),
Text('Add Car'),
],
),
),
),
],
),
),
),
);
}
_onSubmit(context) async {
final _form = _formKey.currentState!;
if (_form.validate()) {
//validate form
_form.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
_car = Car(
vin: _car.vin,
nickname: _car.nickname,
plate: _car.plate,
mileage: _car.mileage);
});
var garage = context.read<GarageModel>(); //implement Provider
garage.add(_car);
_form.reset();
Navigator.pushNamed(context, '/');
}
}
}
class CarDetailScreen extends StatelessWidget {
const CarDetailScreen({super.key});
//garage? load car using Provider?
// then feed to update screen
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
title: const Text('Vehicle Name'),
),
drawer: const MyDrawer(),
body: Container(
padding: const EdgeInsets.all(32),
child: const Text('Details here'),
),
floatingActionButton: FloatingActionButton(
child: const Icon(Icons.edit),
onPressed: () {
Navigator.pushNamed(context, '/edit');
},
),
);
}
}
class EditCarScreen extends StatefulWidget {
EditCarScreen({super.key, required this.car, required this.carIndex});
Car car;
int carIndex;
@override
State<EditCarScreen> createState() => _EditCarScreenState();
}
class _EditCarScreenState extends State<EditCarScreen> {
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
late Car car = widget.car; //initialization is required
late int carIndex = widget.carIndex;
@override
Widget build(BuildContext context) {
var garage = context.read<GarageModel>();
return Scaffold(
appBar: AppBar(
title: Text("Edit ${car.nickname}"),
backgroundColor: const Color.fromARGB(255, 185, 47, 5),
),
body: Container(
padding: const EdgeInsets.all(16),
child: Form(
key: _formKey,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
//new car form text fields
TextFormField(
initialValue: car.nickname,
decoration: const InputDecoration(
labelText: 'Nickname',
),
onSaved: (val) => setState(() => car.nickname = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a nickname';
}
return null;
},
),
TextFormField(
initialValue: car.vin,
decoration: const InputDecoration(
labelText: 'VIN',
),
onSaved: (val) => setState(() => car.vin = val),
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter a unique VIN';
}
return null;
},
),
TextFormField(
initialValue: car.mileage.toString(),
decoration: const InputDecoration(
labelText: 'Mileage',
),
onSaved: (val) =>
setState(() => car.mileage = int.parse(val ?? "")),
// inputFormatters: <TextInputFormatter>[FilteringTextInputFormatter.digitsOnly] //try this?
keyboardType: TextInputType.number,
validator: (String? value) {
if (value == null || value.isEmpty) {
return 'Please enter car\'s current mileage';
}
return null;
},
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: () {
final updateForm = _formKey.currentState!;
if (updateForm.validate()) {
//validate form
updateForm
.save(); //save values (reqd before putting them anywhere)
setState(() {
//modify state of car (necessary?)
car = Car(
vin: car.vin,
nickname: car.nickname,
plate: car.plate,
mileage: car.mileage);
}); //implement Provider
garage.update(car, carIndex);
updateForm.reset();
Navigator.pushNamed(context, '/');
}
},
child: Row(
children: const <Widget>[
//expand these children, too tight
Icon(Icons.save),
Text('Save Changes'),
],
),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
onLongPress: () {
garage.delete(car);
Navigator.pushNamed(context, '/');
},
child: Row(children: const <Widget>[
Icon(Icons.delete),
Text('Delete'),
]),
),
),
Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: ElevatedButton(
onPressed: (() => VoidCallback),
child: Row(children: const <Widget>[
Icon(Icons.sync_alt),
Text('enable/disable'),
]),
),
),
],
),
),
),
);
}
}

4
lib/models/car.dart
View File

@@ -15,7 +15,9 @@ class Car {
nickname = map[colNickname];
plate = map[colPlate];
mileage = map[colMileage];
icon = map[colIcon];
icon = map.containsKey(colIcon)
? map[colIcon] ?? 'images/car.png'
: 'images/car.png';
}
int? id;

19
lib/utils/dbhelper_sqflite.dart
View File

@@ -39,7 +39,7 @@ class DbHelperSqlite {
//docs say to avoid `autoincrement` kw
await db.execute("PRAGMA foreign_keys=ON;");
await db.execute('''
CREATE TABLE ${Car.tblCars} (
CREATE TABLE IF NOT EXISTS ${Car.tblCars} (
${Car.colId} INTEGER PRIMARY KEY,
${Car.colVin} TEXT UNIQUE,
${Car.colNickname} TEXT,
@@ -48,7 +48,7 @@ class DbHelperSqlite {
${Car.colIcon} TEXT);
''');
await db.execute('''
CREATE TABLE ${Txn.tblTxns} (
CREATE TABLE IF NOT EXISTS ${Txn.tblTxns} (
${Txn.colId} INTEGER PRIMARY KEY,
${Txn.colType} TEXT,
${Txn.colDatetime} INTEGER,
@@ -60,9 +60,20 @@ class DbHelperSqlite {
''');
}
Future<Map<String, dynamic>> _carMapForDatabase(Database db, Car car) async {
final map = car.toMap();
final columns = await db.rawQuery("PRAGMA table_info(${Car.tblCars})");
final hasIconColumn =
columns.any((column) => column['name'] == Car.colIcon);
if (!hasIconColumn) {
map.remove(Car.colIcon);
}
return map;
}
Future<int> insertCar(Car car) async {
Database db = await instance.database as Database;
return await db.insert(Car.tblCars, car.toMap(),
return await db.insert(Car.tblCars, await _carMapForDatabase(db, car),
conflictAlgorithm: ConflictAlgorithm.abort);
}
@@ -79,7 +90,7 @@ class DbHelperSqlite {
Future<int> updateCar(Car car) async {
Database db = await instance.database as Database;
print('car id to update: ${car.id}');
return await db.update(Car.tblCars, car.toMap(),
return await db.update(Car.tblCars, await _carMapForDatabase(db, car),
where: '${Car.colId}=?', whereArgs: [car.id]);
}