Fix cloning of SettingsViewModels.

Tests/ViewModels/SettingsRepositoryViewModelTest.cs

@@ -66,6 +66,7 @@ namespace Tests.ViewModels
             Assert.AreNotSame(orig.RevealModelObject(), copy.RevealModelObject());
 
             Assert.AreEqual(String.Format("Kopie von {0}", orig.Name), copy.Name);
+            Assert.IsTrue(copy.IsSelected);
         }
     }
 }

zaaReloaded2/ViewModels/SettingsRepositoryViewModel.cs

@@ -182,8 +182,7 @@ namespace zaaReloaded2.ViewModels
             foreach (Settings s in repository.SettingsList)
             {
                 SettingsViewModel vm = new SettingsViewModel(s);
-                vm.PropertyChanged += SettingsViewModel_PropertyChanged;
+                AddSettingsViewModel(vm);
-                SettingsList.Add(vm);
             }
         }
 
@@ -268,8 +267,10 @@ namespace zaaReloaded2.ViewModels
             if (Selected != null)
             {
                 SettingsViewModel copy = Selected.Clone() as SettingsViewModel;
-                SettingsList.Add(copy);
                 _repository.SettingsList.Add(copy.RevealModelObject() as Settings);
+                AddSettingsViewModel(copy);
+                Selected.IsSelected = false;
+                copy.IsSelected = true;
             }
         }
 
@@ -300,6 +301,17 @@ namespace zaaReloaded2.ViewModels
             }
         }
 
+        /// <summary>
+        /// Adds a settings view model to the collection and wires the
+        /// PropertyChanged event.
+        /// </summary>
+        /// <param name="settingsViewModel">SettingsViewModel to add.</param>
+        void AddSettingsViewModel(SettingsViewModel settingsViewModel)
+        {
+            settingsViewModel.PropertyChanged += SettingsViewModel_PropertyChanged;
+            SettingsList.Add(settingsViewModel);
+        }
+
         #endregion
 
         #region Implementation of ViewModelBase