436 lines
16 KiB
Dart
436 lines
16 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/dropdown.dart';
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import 'package:diameter/components/forms.dart';
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import 'package:diameter/models/accuracy.dart';
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import 'package:diameter/models/meal.dart';
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import 'package:diameter/models/meal_category.dart';
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import 'package:diameter/models/meal_portion_type.dart';
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import 'package:diameter/models/meal_source.dart';
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import 'package:diameter/models/settings.dart';
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import 'package:diameter/navigation.dart';
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import 'package:diameter/utils/utils.dart';
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import 'package:flutter/material.dart';
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class MealDetailScreen extends StatefulWidget {
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static const String routeName = '/meal';
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final int id;
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const MealDetailScreen({Key? key, this.id = 0}) : super(key: key);
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@override
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_MealDetailScreenState createState() => _MealDetailScreenState();
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}
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class _MealDetailScreenState extends State<MealDetailScreen> {
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Meal? _meal;
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bool _isNew = true;
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bool _isSaving = false;
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final GlobalKey<FormState> _mealForm = GlobalKey<FormState>();
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final _valueController = TextEditingController(text: '');
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final _carbsRatioController = TextEditingController(text: '');
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final _portionSizeController = TextEditingController(text: '');
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final _carbsPerPortionController = TextEditingController(text: '');
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final _delayedBolusDurationController = TextEditingController(text: '');
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final _notesController = TextEditingController(text: '');
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double _delayedBolusPercentage = 0;
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MealSource? _mealSource;
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MealCategory? _mealCategory;
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MealPortionType? _mealPortionType;
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Accuracy? _portionSizeAccuracy;
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Accuracy? _carbsRatioAccuracy;
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List<MealCategory> _mealCategories = [];
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List<MealPortionType> _mealPortionTypes = [];
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List<MealSource> _mealSources = [];
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List<Accuracy> _portionSizeAccuracies = [];
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List<Accuracy> _carbsRatioAccuracies = [];
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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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_portionSizeAccuracies = Accuracy.getAllForPortionSize();
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_carbsRatioAccuracies = Accuracy.getAllForCarbsRatio();
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_mealCategories = MealCategory.getAll();
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_mealPortionTypes = MealPortionType.getAll();
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_mealSources = MealSource.getAll();
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if (_meal != null) {
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_valueController.text = _meal!.value;
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_carbsRatioController.text = (_meal!.carbsRatio ?? '').toString();
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_portionSizeController.text = (_meal!.portionSize ?? '').toString();
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_carbsPerPortionController.text =
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(_meal!.carbsPerPortion ?? '').toString();
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_delayedBolusPercentage =
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_meal!.delayedBolusPercentage ?? 0;
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_delayedBolusDurationController.text =
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(_meal!.delayedBolusDuration ?? '').toString();
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_notesController.text = _meal!.notes ?? '';
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_mealSource = _meal!.mealSource.target;
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_mealCategory = _meal!.mealCategory.target;
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_mealPortionType = _meal!.mealPortionType.target;
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_portionSizeAccuracy = _meal!.portionSizeAccuracy.target;
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_carbsRatioAccuracy = _meal!.carbsRatioAccuracy.target;
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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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_meal = Meal.get(widget.id);
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});
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}
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_isNew = _meal == null;
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}
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void handleSaveAction() async {
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setState(() {
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_isSaving = true;
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});
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if (_mealForm.currentState!.validate()) {
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Meal meal = Meal(
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id: widget.id,
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value: _valueController.text,
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carbsRatio: double.tryParse(_carbsRatioController.text),
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portionSize: double.tryParse(_portionSizeController.text),
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carbsPerPortion: double.tryParse(_carbsPerPortionController.text),
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delayedBolusDuration:
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int.tryParse(_delayedBolusDurationController.text),
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delayedBolusPercentage: _delayedBolusPercentage,
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notes: _notesController.text,
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);
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meal.mealSource.target = _mealSource;
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meal.mealCategory.target = _mealCategory;
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meal.mealPortionType.target = _mealPortionType;
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meal.portionSizeAccuracy.target = _portionSizeAccuracy;
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meal.carbsRatioAccuracy.target = _carbsRatioAccuracy;
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Meal.put(meal);
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Navigator.pop(context, '${_isNew ? 'New' : ''} Meal Saved');
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}
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setState(() {
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_isSaving = false;
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});
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}
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void handleCancelAction() {
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if (Settings.get().showConfirmationDialogOnCancel &&
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((_isNew &&
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(_valueController.text != '' ||
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_mealSource != null ||
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_mealCategory != null ||
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_mealPortionType != null ||
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double.tryParse(_carbsRatioController.text) != null ||
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double.tryParse(_portionSizeController.text) != null ||
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double.tryParse(_carbsPerPortionController.text) != null ||
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_carbsRatioAccuracy != null ||
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_portionSizeAccuracy != null ||
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int.tryParse(_delayedBolusDurationController.text) !=
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null ||
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_delayedBolusPercentage != 0 ||
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_notesController.text != '')) ||
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(!_isNew &&
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(_valueController.text != _meal!.value ||
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_mealSource != _meal!.mealSource.target ||
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_mealCategory != _meal!.mealCategory.target ||
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_mealPortionType != _meal!.mealPortionType.target ||
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double.tryParse(_carbsRatioController.text) !=
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_meal!.carbsRatio ||
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double.tryParse(_portionSizeController.text) !=
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_meal!.portionSize ||
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double.tryParse(_carbsPerPortionController.text) !=
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_meal!.carbsPerPortion ||
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_carbsRatioAccuracy != _meal!.carbsRatioAccuracy.target ||
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_portionSizeAccuracy != _meal!.portionSizeAccuracy.target ||
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int.tryParse(_delayedBolusDurationController.text) !=
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_meal!.delayedBolusDuration ||
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_delayedBolusPercentage !=
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_meal!.delayedBolusPercentage ||
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_notesController.text != (_meal!.notes ?? ''))))) {
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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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Future<void> onSelectMealSource(MealSource mealSource) async {
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setState(() {
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_mealSource = mealSource;
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if (mealSource.defaultCarbsRatioAccuracy.hasValue) {
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_carbsRatioAccuracy = mealSource.defaultCarbsRatioAccuracy.target;
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}
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if (mealSource.defaultPortionSizeAccuracy.hasValue) {
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_portionSizeAccuracy = mealSource.defaultPortionSizeAccuracy.target;
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}
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if (mealSource.defaultMealCategory.hasValue) {
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_mealCategory = mealSource.defaultMealCategory.target;
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}
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if (mealSource.defaultMealPortionType.hasValue) {
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_mealPortionType = mealSource.defaultMealPortionType.target;
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}
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});
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}
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void calculateThirdMeasurementOfPortionCarbsRelation(
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{PortionCarbsParameter? parameterToBeCalculated}) {
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double? carbsRatio;
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double? portionSize;
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double? carbsPerPortion;
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if (parameterToBeCalculated != PortionCarbsParameter.carbsRatio &&
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_carbsRatioController.text != '') {
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carbsRatio = double.tryParse(_carbsRatioController.text);
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}
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if (parameterToBeCalculated != PortionCarbsParameter.portionSize &&
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_portionSizeController.text != '') {
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portionSize = double.tryParse(_portionSizeController.text);
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}
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if (parameterToBeCalculated != PortionCarbsParameter.carbsPerPortion &&
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_carbsRatioController.text != '') {
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carbsPerPortion = double.tryParse(_carbsPerPortionController.text);
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}
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if (carbsRatio != null && portionSize != null && carbsPerPortion == null) {
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setState(() {
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_carbsPerPortionController.text =
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Utils.calculateCarbsPerPortion(carbsRatio!, portionSize!)
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.toString();
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});
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}
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if (carbsRatio == null && portionSize != null && carbsPerPortion != null) {
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setState(() {
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_carbsRatioController.text =
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Utils.calculateCarbsRatio(carbsPerPortion!, portionSize!)
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.toString();
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});
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}
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if (carbsRatio != null && portionSize == null && carbsPerPortion != null) {
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setState(() {
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_portionSizeController.text =
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Utils.calculatePortionSize(carbsRatio!, carbsPerPortion!)
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.toString();
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});
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(_isNew ? 'New Meal' : _meal!.value),
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),
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drawer: const Navigation(currentLocation: MealDetailScreen.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: _mealForm,
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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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AutoCompleteDropdownButton<MealSource>(
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selectedItem: _mealSource,
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label: 'Meal Source',
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items: _mealSources,
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onChanged: (value) {
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if (value != null) {
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onSelectMealSource(value);
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}
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},
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),
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AutoCompleteDropdownButton<MealCategory>(
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selectedItem: _mealCategory,
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label: 'Meal Category',
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items: _mealCategories,
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onChanged: (value) {
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setState(() {
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_mealCategory = value;
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});
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},
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),
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AutoCompleteDropdownButton<MealPortionType>(
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selectedItem: _mealPortionType,
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label: 'Meal Portion Type',
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items: _mealPortionTypes,
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onChanged: (value) {
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setState(() {
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_mealPortionType = value;
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});
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},
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),
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Row(
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children: [
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Expanded(
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child: TextFormField(
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decoration: const InputDecoration(
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labelText: 'Carbs ratio',
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suffixText: '%',
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),
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controller: _carbsRatioController,
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keyboardType: const TextInputType.numberWithOptions(
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decimal: true),
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onChanged: (_) async {
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await Future.delayed(const Duration(seconds: 1));
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calculateThirdMeasurementOfPortionCarbsRelation();
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},
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),
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),
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IconButton(
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onPressed: () =>
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calculateThirdMeasurementOfPortionCarbsRelation(
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parameterToBeCalculated:
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PortionCarbsParameter.carbsRatio),
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icon: const Icon(Icons.calculate),
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),
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],
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),
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Expanded(
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child: TextFormField(
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decoration: InputDecoration(
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labelText: 'Portion size',
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suffixText: Settings.nutritionMeasurementSuffix,
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alignLabelWithHint: true,
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),
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controller: _portionSizeController,
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keyboardType: const TextInputType.numberWithOptions(
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decimal: true),
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onChanged: (_) async {
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await Future.delayed(const Duration(seconds: 1));
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calculateThirdMeasurementOfPortionCarbsRelation();
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},
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),
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),
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IconButton(
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onPressed: () =>
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calculateThirdMeasurementOfPortionCarbsRelation(
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parameterToBeCalculated:
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PortionCarbsParameter.portionSize),
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icon: const Icon(Icons.calculate),
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),
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],
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),
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AutoCompleteDropdownButton<Accuracy>(
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selectedItem: _portionSizeAccuracy,
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label: 'Portion Size Accuracy',
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items: _portionSizeAccuracies,
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onChanged: (value) {
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setState(() {
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_portionSizeAccuracy = value;
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});
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},
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),
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Row(
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children: [
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Expanded(
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child: TextFormField(
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decoration: InputDecoration(
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labelText: 'Carbs per portion',
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suffixText: Settings.nutritionMeasurementSuffix,
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),
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controller: _carbsPerPortionController,
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keyboardType: const TextInputType.numberWithOptions(
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decimal: true),
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onChanged: (_) async {
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await Future.delayed(const Duration(seconds: 1));
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calculateThirdMeasurementOfPortionCarbsRelation();
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},
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),
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),
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IconButton(
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onPressed: () =>
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calculateThirdMeasurementOfPortionCarbsRelation(
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parameterToBeCalculated:
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PortionCarbsParameter.carbsPerPortion),
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icon: const Icon(Icons.calculate),
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),
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],
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),
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AutoCompleteDropdownButton<Accuracy>(
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selectedItem: _carbsRatioAccuracy,
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label: 'Carbs Ratio Accuracy',
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items: _carbsRatioAccuracies,
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onChanged: (value) {
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setState(() {
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_carbsRatioAccuracy = value;
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});
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},
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),
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// ignore: todo
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// TODO: display according to time format
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TextFormField(
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decoration: const InputDecoration(
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labelText: 'Delayed Bolus Duration',
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suffixText: ' min',
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),
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controller: _delayedBolusDurationController,
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keyboardType: const TextInputType.numberWithOptions(),
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),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 5.0),
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child: Row(
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children: [
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const Text('Delayed Bolus Percentage:'),
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Expanded(
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child: Slider(
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label: '${_delayedBolusPercentage.floor().toString()}%',
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divisions: 100,
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value: _delayedBolusPercentage,
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min: 0,
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max: 100,
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onChanged: (value) {
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setState(() {
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_delayedBolusPercentage = value;
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});
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}
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),
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),
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],
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),
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),
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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: _isSaving ? null : handleSaveAction,
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),
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);
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}
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}
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