123 lines
3.6 KiB
Dart
123 lines
3.6 KiB
Dart
import 'package:diameter/components/detail.dart';
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import 'package:diameter/components/dialogs.dart';
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import 'package:diameter/components/forms.dart';
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import 'package:diameter/config.dart';
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import 'package:diameter/navigation.dart';
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import 'package:flutter/material.dart';
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import 'package:diameter/models/meal_category.dart';
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class MealCategoryDetailScreen extends StatefulWidget {
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static const String routeName = '/meal-category';
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final int id;
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const MealCategoryDetailScreen({Key? key, this.id = 0}) : super(key: key);
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@override
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_MealCategoryDetailScreenState createState() =>
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_MealCategoryDetailScreenState();
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}
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class _MealCategoryDetailScreenState extends State<MealCategoryDetailScreen> {
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MealCategory? _mealCategory;
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bool _isNew = true;
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final GlobalKey<FormState> _mealCategoryForm = GlobalKey<FormState>();
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final _valueController = TextEditingController(text: '');
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final _notesController = TextEditingController(text: '');
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@override
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void initState() {
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super.initState();
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reload();
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if (_mealCategory != null) {
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_valueController.text = _mealCategory!.value;
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_notesController.text = _mealCategory!.notes ?? '';
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}
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}
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void reload() {
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if (widget.id != 0) {
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setState(() {
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_mealCategory = MealCategory.get(widget.id);
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});
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}
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_isNew = _mealCategory == null;
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}
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void handleSaveAction() async {
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if (_mealCategoryForm.currentState!.validate()) {
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MealCategory.put(MealCategory(
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id: widget.id,
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value: _valueController.text,
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notes: _notesController.text));
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Navigator.pop(context, '${_isNew ? 'New' : ''} Meal Category saved');
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}
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}
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void handleCancelAction() {
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if (showConfirmationDialogOnCancel &&
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(_isNew &&
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(_valueController.text != '' || _notesController.text != '')) ||
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(!_isNew &&
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(_mealCategory!.value != _valueController.text ||
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(_mealCategory!.notes ?? '') != _notesController.text))) {
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Dialogs.showCancelConfirmationDialog(
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context: context,
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isNew: _isNew,
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onSave: handleSaveAction,
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);
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} else {
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Navigator.pop(context);
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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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appBar: AppBar(
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title: Text(_isNew ? 'New Meal Category' : _mealCategory!.value),
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),
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drawer:
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const Navigation(currentLocation: MealCategoryDetailScreen.routeName),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: <Widget>[
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FormWrapper(
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formState: _mealCategoryForm,
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fields: [
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TextFormField(
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controller: _valueController,
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decoration: const InputDecoration(
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labelText: 'Name',
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),
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validator: (value) {
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if (value!.trim().isEmpty) {
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return 'Empty name';
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}
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return null;
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},
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),
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TextFormField(
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controller: _notesController,
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decoration: const InputDecoration(
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labelText: 'Notes',
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alignLabelWithHint: true,
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),
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keyboardType: TextInputType.multiline,
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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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bottomNavigationBar: DetailBottomRow(
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onCancel: handleCancelAction,
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onSave: handleSaveAction,
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),
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);
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}
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}
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