Refactor StundePage to MVVM with DI
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@@ -5,7 +5,7 @@ using System.Text;
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using System.Threading.Tasks;
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using System.Threading.Tasks;
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namespace Jugenddienst_Stunden.Interfaces;
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namespace Jugenddienst_Stunden.Interfaces;
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internal interface IAlertService {
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public interface IAlertService {
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event EventHandler<string> AlertRaised;
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event EventHandler<string> AlertRaised;
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void Raise(string message);
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void Raise(string message);
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}
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}
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@@ -114,6 +114,8 @@ public static class MauiProgram {
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// DI: Views/ViewModels
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// DI: Views/ViewModels
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builder.Services.AddTransient<ViewModels.StundenViewModel>();
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builder.Services.AddTransient<ViewModels.StundenViewModel>();
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builder.Services.AddTransient<Views.StundenPage>();
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builder.Services.AddTransient<Views.StundenPage>();
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builder.Services.AddTransient<ViewModels.StundeViewModel>();
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builder.Services.AddTransient<Views.StundePage>();
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builder.Services.AddTransient<ViewModels.LoginViewModel>();
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builder.Services.AddTransient<ViewModels.LoginViewModel>();
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builder.Services.AddTransient<Views.LoginPage>();
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builder.Services.AddTransient<Views.LoginPage>();
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@@ -77,33 +77,16 @@ public partial class StundeViewModel : ObservableObject, IQueryAttributable {
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//public ICommand LoadDataCommand { get; private set; }
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//public ICommand LoadDataCommand { get; private set; }
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public StundeViewModel() : this(GetServiceOrCreate()) {
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public StundeViewModel(IHoursService hoursService, IAlertService alertService) {
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LoadSettingsAsync();
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}
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private static IHoursService GetServiceOrCreate() {
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// Fallback-Konstruktion, falls DI nicht injiziert wurde (z. B. im Designer)
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var http = new HttpClient();
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var options = new Infrastructure.ApiOptions { BaseUrl = GlobalVar.ApiUrl, Timeout = TimeSpan.FromSeconds(15) };
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var tokenProvider = new GlobalVarTokenProvider();
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var api = new ApiClient(http, options, tokenProvider, new PreferencesAppSettings());
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var repo = new HoursRepository(api);
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var validator = new HoursValidator();
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return new HoursService(repo, validator);
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}
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internal StundeViewModel(IHoursService hoursService) {
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_hoursService = hoursService;
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_hoursService = hoursService;
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SaveCommand = new AsyncRelayCommand(Save);
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SaveCommand = new AsyncRelayCommand(Save);
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//DeleteCommand = new AsyncRelayCommand(Delete);
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DeleteConfirmCommand = new Command(async () => await DeleteConfirm());
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DeleteConfirmCommand = new Command(async () => await DeleteConfirm());
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}
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// DI-Konstruktor, der den globalen Alert-Service abonniert und Alerts an das ViewModel weiterreicht.
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internal StundeViewModel(IHoursService hoursService, IAlertService alertService) : this(hoursService) {
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if (alertService is not null) {
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if (alertService is not null) {
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alertService.AlertRaised += (s, msg) => AlertEvent?.Invoke(this, msg);
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alertService.AlertRaised += (s, msg) => AlertEvent?.Invoke(this, msg);
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}
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}
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LoadSettingsAsync();
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}
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}
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private async void LoadSettingsAsync() {
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private async void LoadSettingsAsync() {
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@@ -125,7 +108,7 @@ public partial class StundeViewModel : ObservableObject, IQueryAttributable {
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async Task Save() {
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async Task Save() {
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bool exceptionOccurred = false;
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bool exceptionOccurred = false;
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bool proceed = true;
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bool proceed = true;
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//Arbeitszeit sollte nicht null sein
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//Arbeitszeit sollte nicht null sein
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if (DayTime.TimeSpanVon == DayTime.TimeSpanBis && DayTime.FreistellungAktiv.Name == null) {
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if (DayTime.TimeSpanVon == DayTime.TimeSpanBis && DayTime.FreistellungAktiv.Name == null) {
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proceed = false;
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proceed = false;
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@@ -203,45 +186,37 @@ public partial class StundeViewModel : ObservableObject, IQueryAttributable {
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//DateTime heute = DateTime.Now;
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//DateTime heute = DateTime.Now;
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try {
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try {
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var entry = await _hoursService.GetEntryAsync(Convert.ToInt32(query["load"]));
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var entry = await _hoursService.GetEntryAsync(Convert.ToInt32(query["load"]));
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// var settings = await _hoursService.GetSettingsAsync();
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// GlobalVar.Settings = settings;
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// GemeindeAktivSet = settings.GemeindeAktivSet;
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// ProjektAktivSet = settings.ProjektAktivSet;
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DayTime = entry;
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DayTime = entry;
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DayTime.TimeSpanVon = entry.Begin.ToTimeSpan();
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DayTime.TimeSpanVon = entry.Begin.ToTimeSpan();
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DayTime.TimeSpanBis = entry.End.ToTimeSpan();
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DayTime.TimeSpanBis = entry.End.ToTimeSpan();
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// OptionsGemeinde = settings.Gemeinden ?? new List<Gemeinde>();
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// OptionsProjekt = settings.Projekte ?? new List<Projekt>();
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// OptionsFreistellung = settings.Freistellungen ?? new List<Freistellung>();
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DayTime.GemeindeAktiv = OptionsGemeinde.FirstOrDefault(Gemeinde => Gemeinde.Id == DayTime.Gemeinde) ??
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DayTime.GemeindeAktiv = OptionsGemeinde.FirstOrDefault(Gemeinde => Gemeinde.Id == DayTime.Gemeinde) ??
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new Gemeinde();
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new Gemeinde();
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DayTime.ProjektAktiv = OptionsProjekt.FirstOrDefault(Projekt => Projekt.Id == DayTime.Projekt) ??
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DayTime.ProjektAktiv = OptionsProjekt.FirstOrDefault(Projekt => Projekt.Id == DayTime.Projekt) ??
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new Projekt();
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new Projekt();
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DayTime.FreistellungAktiv =
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DayTime.FreistellungAktiv =
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OptionsFreistellung.FirstOrDefault(Freistellung => Freistellung.Id == DayTime.Free) ??
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OptionsFreistellung.FirstOrDefault(Freistellung => Freistellung.Id == DayTime.Free) ??
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new Freistellung();
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new Freistellung();
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//Evtl. noch die anderen Zeiten des gleichen Tages holen
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var day = await _hoursService.GetDayWithSettingsAsync(DayTime.Day);
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DayTimes = day.dayTimes;
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OnPropertyChanged(nameof(DayTime));
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OnPropertyChanged(nameof(DayTime));
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OnPropertyChanged(nameof(DayTimes));
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if (System.String.IsNullOrEmpty(DayTime.Description)) {
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InfoEvent?.Invoke(this, "Eintrag hat keinen Beschreibungstext");
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}
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SubTitle = DayTime.Day.ToString("dddd, d. MMMM yyyy");
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OnPropertyChanged(nameof(SubTitle));
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FreistellungEnabled = !DayTime.Approved;
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} catch (Exception e) {
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} catch (Exception e) {
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AlertEvent?.Invoke(this, e.Message);
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AlertEvent?.Invoke(this, e.Message);
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} finally {
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} finally {
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//Evtl. noch die anderen Zeiten des gleichen Tages holen
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var day = await _hoursService.GetDayWithSettingsAsync(DayTime.Day);
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DayTimes = day.dayTimes;
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OnPropertyChanged(nameof(DayTimes));
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}
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}
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if (System.String.IsNullOrEmpty(DayTime.Description)) {
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InfoEvent?.Invoke(this, "Eintrag hat keinen Beschreibungstext");
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}
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SubTitle = DayTime.Day.ToString("dddd, d. MMMM yyyy");
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OnPropertyChanged(nameof(SubTitle));
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FreistellungEnabled = !DayTime.Approved;
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//OnPropertyChanged(nameof(DayTime));
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//OnPropertyChanged(nameof(DayTime));
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} else if (query.ContainsKey("date")) {
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} else if (query.ContainsKey("date")) {
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Title = "Neuer Eintrag";
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Title = "Neuer Eintrag";
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@@ -8,10 +8,6 @@
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x:Class="Jugenddienst_Stunden.Views.StundePage"
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x:Class="Jugenddienst_Stunden.Views.StundePage"
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Title="{Binding Title}">
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Title="{Binding Title}">
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<ContentPage.BindingContext>
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<models:StundeViewModel />
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</ContentPage.BindingContext>
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<ContentPage.Resources>
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<ContentPage.Resources>
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<ResourceDictionary>
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<ResourceDictionary>
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<conv:IntBoolConverter x:Key="IntBoolConverter" />
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<conv:IntBoolConverter x:Key="IntBoolConverter" />
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@@ -13,14 +13,13 @@ public partial class StundePage : ContentPage {
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/// <summary>
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/// <summary>
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/// CTOR
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/// CTOR
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/// </summary>
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/// </summary>
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public StundePage() {
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public StundePage(StundeViewModel vm) {
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InitializeComponent();
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InitializeComponent();
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if (BindingContext is StundeViewModel vm) {
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BindingContext = vm;
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vm.AlertEvent += Vm_AlertEvent;
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vm.AlertEvent += Vm_AlertEvent;
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vm.InfoEvent += Vm_InfoEvent;
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vm.InfoEvent += Vm_InfoEvent;
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vm.ConfirmEvent += ShowConfirm;
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vm.ConfirmEvent += ShowConfirm;
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}
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}
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}
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private void Vm_AlertEvent(object? sender, string e) {
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private void Vm_AlertEvent(object? sender, string e) {
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