419 lines
15 KiB
Dart
419 lines
15 KiB
Dart
import 'package:diameter/components/detail.dart';
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import 'package:diameter/components/forms/number_form_field.dart';
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import 'package:diameter/components/forms/time_of_day_form_field.dart';
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import 'package:diameter/utils/dialog_utils.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/date_time_utils.dart';
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import 'package:diameter/utils/utils.dart';
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import 'package:flutter/material.dart';
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import 'package:diameter/components/forms/form_wrapper.dart';
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import 'package:diameter/models/bolus.dart';
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import 'package:diameter/models/bolus_profile.dart';
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class BolusDetailScreen extends StatefulWidget {
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static const String routeName = '/bolus';
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final int bolusProfileId;
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final int id;
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final TimeOfDay? suggestedStartTime;
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final TimeOfDay? suggestedEndTime;
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const BolusDetailScreen(
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{Key? key,
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this.bolusProfileId = 0,
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this.id = 0,
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this.suggestedStartTime,
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this.suggestedEndTime})
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: super(key: key);
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@override
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_BolusDetailScreenState createState() => _BolusDetailScreenState();
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}
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class _BolusDetailScreenState extends State<BolusDetailScreen> {
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Bolus? _bolus;
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bool _isNew = true;
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bool _isSaving = false;
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bool _isFinalRate = true;
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final GlobalKey<FormState> _bolusForm = GlobalKey<FormState>();
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final ScrollController _scrollController = ScrollController();
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TimeOfDay _startTime = const TimeOfDay(hour: 0, minute: 0);
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TimeOfDay _endTime = const TimeOfDay(hour: 0, minute: 0);
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final _startTimeController = TextEditingController(text: '');
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final _endTimeController = TextEditingController(text: '');
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final _unitsController = TextEditingController(text: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.insulinSteps));
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final _carbsController = TextEditingController(text: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.nutritionSteps));
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final _mgPerDlController = TextEditingController(text: '0');
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final _mmolPerLController = TextEditingController(text: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.mmolPerLSteps));
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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 (widget.suggestedStartTime != null) {
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_startTime = widget.suggestedStartTime!;
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}
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if (widget.suggestedEndTime != null) {
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_endTime = widget.suggestedEndTime!;
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}
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if (_bolus != null) {
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_startTime = TimeOfDay.fromDateTime(_bolus!.startTime);
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_endTime = TimeOfDay.fromDateTime(_bolus!.endTime);
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_unitsController.text = _bolus!.units.toString();
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_carbsController.text = _bolus!.carbs.toString();
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_mgPerDlController.text = (_bolus!.mgPerDl ?? '').toString();
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_mmolPerLController.text = (_bolus!.mmolPerL ?? '').toString();
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}
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_startTimeController.text = DateTimeUtils.displayTimeOfDay(_startTime);
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_endTimeController.text = DateTimeUtils.displayTimeOfDay(_endTime);
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}
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@override
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void dispose() {
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_scrollController.dispose();
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_startTimeController.dispose();
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_endTimeController.dispose();
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_unitsController.dispose();
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_carbsController.dispose();
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_mgPerDlController.dispose();
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_mmolPerLController.dispose();
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super.dispose();
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}
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void reload({String? message}) {
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if (widget.id != 0) {
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setState(() {
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_bolus = Bolus.get(widget.id);
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});
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}
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_isNew = _bolus == null;
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setState(() {
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if (message != null) {
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var snackBar = SnackBar(
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content: Text(message),
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duration: const Duration(seconds: 2),
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);
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ScaffoldMessenger.of(context)
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..removeCurrentSnackBar()
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..showSnackBar(snackBar);
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}
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});
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}
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void updateStartTime(TimeOfDay? value) {
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if (value != null) {
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setState(() {
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_startTime = value;
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_startTimeController.text = DateTimeUtils.displayTimeOfDay(_startTime);
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});
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}
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}
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void updateEndTime(TimeOfDay? value) {
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if (value != null) {
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setState(() {
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_endTime = value;
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_endTimeController.text = DateTimeUtils.displayTimeOfDay(_endTime);
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_isFinalRate = widget.suggestedEndTime == null ||
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_endTime == widget.suggestedEndTime!;
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});
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}
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}
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Future<String?> validateTimePeriod() async {
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String? error;
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List<Bolus> bolusRates = Bolus.getAllForProfile(widget.bolusProfileId);
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// check for duplicates
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if (bolusRates
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.where((other) =>
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widget.id != other.id &&
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_startTime.hour == other.startTime.hour &&
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_startTime.minute == other.startTime.minute)
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.isNotEmpty) {
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error = 'There\'s already a rate with this start time.';
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}
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if (bolusRates
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.where((other) =>
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(widget.id != other.id) &&
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DateTimeUtils.convertTimeOfDayToDateTime(_startTime)
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.isBefore(other.startTime) &&
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DateTimeUtils.convertTimeOfDayToDateTime(_endTime)
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.isAfter(other.startTime))
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.isNotEmpty) {
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error = 'This rate\'s time period overlaps with another one.';
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}
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return error == null
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? null
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: showDialog(
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context: context,
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builder: (BuildContext context) {
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return AlertDialog(
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content: Text(error!),
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actions: <Widget>[
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TextButton(
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onPressed: () => Navigator.pop(context, 'CANCEL'),
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child: const Text('GO BACK TO EDITING'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, 'CONFIRM'),
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child: const Text('SAVE AS IS'),
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),
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],
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);
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});
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}
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void handleSaveAction({bool next = true}) async {
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setState(() {
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_isSaving = true;
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});
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if (_bolusForm.currentState!.validate()) {
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await validateTimePeriod().then((value) async {
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if (value != 'CANCEL') {
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Bolus bolus = Bolus(
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id: widget.id,
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startTime: DateTimeUtils.convertTimeOfDayToDateTime(_startTime),
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endTime: DateTimeUtils.convertTimeOfDayToDateTime(_endTime),
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units: double.tryParse(_unitsController.text) ?? 0,
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carbs: double.tryParse(_carbsController.text) ?? 0,
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mgPerDl: int.tryParse(_mgPerDlController.text),
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mmolPerL: double.tryParse(_mmolPerLController.text),
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);
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bolus.bolusProfile.targetId = widget.bolusProfileId;
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Bolus.put(bolus);
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if (next) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (context) {
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return BolusDetailScreen(
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bolusProfileId: widget.bolusProfileId,
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suggestedStartTime: _endTime,
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suggestedEndTime: widget.suggestedEndTime,
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);
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},
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),
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).then((result) {
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Navigator.pop(
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context,
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['New Bolus Rate${result[1] != null ? 's' : ''} saved', bolus] +
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[result[1]],
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);
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});
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} else {
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Navigator.pop(
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context, ['${_isNew ? 'New' : ''} Bolus Rate saved', bolus]);
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}
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}
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});
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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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(_startTime.hour != (widget.suggestedStartTime?.hour ?? 0) ||
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_endTime.hour != (widget.suggestedEndTime?.hour ?? 0) ||
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_startTime.minute !=
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(widget.suggestedStartTime?.minute ?? 0) ||
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_endTime.minute != (widget.suggestedEndTime?.minute ?? 0) ||
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(double.tryParse(_unitsController.text) ?? 0) != 0.0 ||
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(double.tryParse(_carbsController.text) ?? 0) != 0.0 ||
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(int.tryParse(_mgPerDlController.text) ?? 0) != 0 ||
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(double.tryParse(_mmolPerLController.text) ?? 0) != 0.0)) ||
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(!_isNew &&
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(TimeOfDay.fromDateTime(_bolus!.startTime) != _startTime ||
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TimeOfDay.fromDateTime(_bolus!.endTime) != _endTime ||
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(double.tryParse(_unitsController.text) ?? 0) !=
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_bolus!.units ||
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(double.tryParse(_carbsController.text) ?? 0) !=
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_bolus!.carbs ||
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(double.tryParse(_mgPerDlController.text) ?? 0) !=
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_bolus!.mgPerDl ||
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(double.tryParse(_mmolPerLController.text) ?? 0) !=
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_bolus!.mmolPerL)))) {
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DialogUtils.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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void convertBetweenMgPerDlAndMmolPerL(double? value) async {
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if (value != null) {
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if (Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl &&
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_mgPerDlController.text != '') {
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_mgPerDlController.text = value.toInt().toString();
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setState(() {
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_mmolPerLController.text =
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Utils.convertMgPerDlToMmolPerL(value.toInt()).toString();
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});
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}
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if (Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL &&
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_mmolPerLController.text != '') {
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_mmolPerLController.text =
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Utils.toStringMatchingTemplateFractionPrecision(
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value, Settings.mmolPerLSteps);
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setState(() {
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_mgPerDlController.text =
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Utils.convertMmolPerLToMgPerDl(value.toDouble()).toString();
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});
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(
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'${_isNew ? 'New' : 'Edit'} Bolus Rate for ${BolusProfile.get(widget.bolusProfileId)?.name}'),
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),
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drawer: const Navigation(currentLocation: BolusDetailScreen.routeName),
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body: Scrollbar(
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controller: _scrollController,
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child: SingleChildScrollView(
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controller: _scrollController,
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child: Column(
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children: [
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FormWrapper(
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formState: _bolusForm,
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fields: [
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Row(
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children: [
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Expanded(
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child: Padding(
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padding: const EdgeInsets.only(right: 5),
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child: TimeOfDayFormField(
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label: 'Start Time',
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controller: _startTimeController,
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time: _startTime,
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onChanged: updateStartTime,
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),
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),
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.only(left: 5),
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child: TimeOfDayFormField(
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label: 'End Time',
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controller: _endTimeController,
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time: _endTime,
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onChanged: updateEndTime,
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),
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),
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),
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],
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),
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NumberFormField(
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controller: _unitsController,
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label: 'Units',
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suffix: 'U',
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autoRoundToMultipleOfStep: true,
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step: Settings.insulinSteps,
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onChanged: (value) {
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if (value != null) {
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_unitsController.text =
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Utils.toStringMatchingTemplateFractionPrecision(
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value, Settings.insulinSteps);
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}
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},
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),
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NumberFormField(
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controller: _carbsController,
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label: 'per carbs',
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suffix: Settings.nutritionMeasurementSuffix,
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autoRoundToMultipleOfStep: true,
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step: Settings.nutritionSteps,
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onChanged: (value) {
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if (value != null) {
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_carbsController.text =
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Utils.toStringMatchingTemplateFractionPrecision(
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value, Settings.nutritionSteps);
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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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Settings.glucoseMeasurement ==
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GlucoseMeasurement.mgPerDl ||
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Settings.glucoseDisplayMode ==
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GlucoseDisplayMode.both ||
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Settings.glucoseDisplayMode ==
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GlucoseDisplayMode.bothForDetail
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? Expanded(
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flex: Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl ? 2 : 1,
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child: NumberFormField(
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label: 'per mg/dl',
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suffix: 'mg/dl',
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readOnly: Settings.glucoseMeasurement ==
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GlucoseMeasurement.mmolPerL,
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showSteppers: Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl,
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controller: _mgPerDlController,
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onChanged: convertBetweenMgPerDlAndMmolPerL,
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),
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)
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: Container(),
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Settings.glucoseMeasurement ==
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GlucoseMeasurement.mmolPerL ||
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[
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GlucoseDisplayMode.both,
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GlucoseDisplayMode.bothForDetail
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].contains(Settings.glucoseDisplayMode)
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? Expanded(
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flex: Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL ? 2 : 1,
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child: NumberFormField(
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label: 'per mmol/l',
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suffix: 'mmol/l',
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readOnly: Settings.glucoseMeasurement ==
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GlucoseMeasurement.mgPerDl,
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showSteppers: Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL,
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controller: _mmolPerLController,
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step: Settings.mmolPerLSteps,
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onChanged: convertBetweenMgPerDlAndMmolPerL,
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),
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)
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: Container(),
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],
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),
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],
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),
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],
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),
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),
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),
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bottomNavigationBar: DetailBottomRow(
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onCancel: handleCancelAction,
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onAction:
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_isSaving ? null : () => handleSaveAction(next: !_isFinalRate),
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onMiddleAction: _isSaving || _isFinalRate
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? null
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: () => handleSaveAction(next: false),
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actionText: _isFinalRate ? 'SAVE & CLOSE' : 'NEXT',
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middleActionText: 'SAVE & CLOSE',
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),
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);
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}
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}
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