Kapitel 7 abgeschlossen.

LehrerApp.Desktop/Views/Groups/GroupDetailView.axaml.cs

@@ -3,6 +3,7 @@ using LehrerApp.Core.Interfaces;
 using LehrerApp.Core.Models;
 using LehrerApp.Core.Services;
 using LehrerApp.Desktop.ViewModels.Groups;
+using LehrerApp.Desktop.Views.Shared;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace LehrerApp.Desktop.Views.Groups;
@@ -24,9 +25,25 @@ public partial class GroupDetailView : UserControl
             vm.OnConfirmDeleteExam = ShowDeleteExamDialog;
             vm.OnGradeExam       = ShowGradeExamDialog;
             vm.OnEvaluateExam    = ShowEvaluateExamDialog;
+            vm.OnConfirmReactivate = ShowReactivateConfirmDialog;
         }
     }
 
+    private async Task<bool> ShowReactivateConfirmDialog()
+    {
+        var dialog = new ConfirmDialog
+        {
+            DataContext = new ConfirmDialogInfo
+            {
+                Title = "Archivierte Gruppe wieder aktivieren?",
+                Message = "Nach der Wiederaktivierung können historische Daten dieser Gruppe wieder verändert werden.",
+                ConfirmText = "Wieder aktivieren",
+            },
+        };
+        var owner = TopLevel.GetTopLevel(this) as Window;
+        return owner is not null && await dialog.ShowDialog<bool>(owner);
+    }
+
     private async Task<bool> ShowAddStudentDialog()
     {
         if (DataContext is not GroupDetailViewModel vm || vm.Group is null) return false;