[feat:] csv-divider-buttons

# Conflicts:
#	MainWindow.axaml
#	MainWindow.axaml.cs

DataStore/DataStructures.cs

@@ -60,6 +60,11 @@ public class KasAddressList //Address-Set
         var id = listItemName.Split(" - ")[0];
         return int.Parse(id);
     }
+
+    public override string ToString()
+    {
+        return Name + " (" + KasPersons.Count + " Einträge)";
+    }
 }
 
 public class KasPerson
@@ -188,6 +193,18 @@ public class KasPerson
 
         return highest + base_id + 1;
     }
+
+    public override string ToString()
+    {
+        if (refsid != null && refsid != 0)
+        {
+            return refsid + " - " + name;
+        }
+        else
+        {
+            return id + " - " + name;
+        }
+    }
 }
 
 public class KasPersonError
@@ -212,4 +229,9 @@ public class KasPersonError
 
         return output;
     }
+
+    public string ToString(KasPerson person)
+    {
+        return "ID:"+person.id + "; Name: " +person.name +"; Errors: " + GetString();
+    }
 }

DataStore/Settings.cs

@@ -135,7 +135,7 @@ public class Global
 public class Customers
 {
     public List<Customer> customers = new();
-    public int current { get; set; } = 0;
+    public Customer current { get; set; } = null;
 }
 
 public class Customer
@@ -150,6 +150,11 @@ public class Customer
         ID = highestID + 1;
     }
     
+    public override string ToString()
+    {
+        return name;
+    }
+
     public string name { get; set; } = "";
     public string description { get; set; } = "";
     public string sender_address { get; set; } = "";
@@ -158,11 +163,11 @@ public class Customer
     public int ID { get; }
 
 
-    public static int GetIDByCustomerListItem(string item_content)
-    {
-        var id = item_content.Split(" - ")[0];
-        return int.Parse(id);
-    }
+    // public static int GetIDByCustomerListItem(string item_content)
+    // {
+    //     var id = item_content.Split(" - ")[0];
+    //     return int.Parse(id);
+    // }
 }
 
 public class AddressSets

MainWindow.axaml

@@ -121,7 +121,7 @@
                                                FontWeight="Bold" />
                                     </StackPanel>
                                 </Button>
-                                <Button Width="250" IsEnabled="False"
+                                <Button Width="250" IsEnabled="False" Click="BtnShorten_OnClick"
                                         HorizontalContentAlignment="Center" x:Name="BtnShorten"
                                         Margin="0,0,0,10">
                                     <StackPanel Orientation="Horizontal">
@@ -220,10 +220,18 @@
                                             </StackPanel>
                                             <Label FontSize="9" Content="Nur Elemente, die NICHT doppelt sind" />
                                         </StackPanel>
-
                                     </Button>
                                 </StackPanel>
-                                <CheckBox HorizontalAlignment="Center" x:Name="CbMergeExportUnmerged" IsChecked="False">Speichere Unverarbeitete in neuem Verteiler</CheckBox>
+                                <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Spacing="50">
+                                    <StackPanel Orientation="Vertical" >
+                                        <RadioButton Content="Vergleiche nach refsid" IsChecked="True" x:Name="RbComprefsid"></RadioButton>
+                                        <RadioButton Content="Vergleiche nach finaler Adresse" IsChecked="False" x:Name="RbCompfinAd"></RadioButton>
+                                    </StackPanel>
+                                    <StackPanel Orientation="Vertical">
+                                        <CheckBox HorizontalAlignment="Left" x:Name="CbMergeExportUnmerged" IsChecked="False">Speichere Unverarbeitete in neuem Verteiler</CheckBox>
+                                        <CheckBox HorizontalAlignment="Left" x:Name="CbMergeDeleteOld" IsChecked="False">Lösche ursprüngliche Sets</CheckBox>
+                                    </StackPanel>
+                                </StackPanel>
                             </StackPanel>
                         </Grid>
                         <Grid Grid.Row="2" Margin="20" ColumnDefinitions="*,5*,*" IsVisible="False" x:Name="GrdExportMarginOptions">
@@ -327,8 +335,12 @@
                     <Grid ColumnDefinitions="300,*">
                         <Border Grid.Column="0" Background="#FFF" BorderBrush="#DDD" BorderThickness="0,0,1,0">
                             <StackPanel>
-                                <Button Content="+ Hinzufügen" Margin="10" x:Name="BtnWikiAddFile"
-                                        Click="BtnWikiAddFile_OnClick" />
+                                <StackPanel Spacing="10" Orientation="Horizontal" Margin="10">
+                                    <Button Content="+ Datei" x:Name="BtnWikiAddFile"
+                                            Click="BtnWikiAddFile_OnClick" />
+                                    <Button Content="+ Ordner" x:Name="BtnWikiAddFolder"
+                                            Click="BtnWikiAddFolder_OnClick" />
+                                </StackPanel>
                                 <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
                                     <TreeView Name="NavTree" Margin="10" />
                                 </ScrollViewer>
@@ -473,12 +485,20 @@
                                                  TextChanged="TbSettingsCustomerSenderAddress_OnTextChanged"
                                                  x:Name="TbSettingsCustomerSenderAddress" />
                                     </Grid>
-                                    <Grid ColumnDefinitions="150,*">
+                                    <Grid ColumnDefinitions="150,*,Auto">
                                         <Label Content="CSV-Trennzeichen" />
                                         <TextBox Grid.Column="1" Watermark=","
-                                                 HorizontalAlignment="Stretch"
+                                                 HorizontalAlignment="Stretch" Margin="0,0,5,0"
                                                  TextChanged="TbSettingsCustomerCsvSeparator_OnTextChanged"
                                                  x:Name="TbSettingsCustomerCsvSeparator" />
+                                        <StackPanel Grid.Column="2" Orientation="Horizontal" Spacing="5">
+                                            <Button Click="ChangeCSVDivider" Content=","></Button>
+                                            <Button Click="ChangeCSVDivider" Content=";"></Button>
+                                            <Button Click="ChangeCSVDivider" Content="TAB"></Button>
+                                            <Button Click="ChangeCSVDivider" Content="|"></Button>
+                                            <Button Click="ChangeCSVDivider" Content="SPACE"></Button>
+                                            <Button Click="ChangeCSVDivider" Content=":"></Button>
+                                        </StackPanel>
                                     </Grid>
                                     <Grid ColumnDefinitions="150,*">
                                         <Label Content="Address-Patch-Info" />
@@ -505,7 +525,7 @@
                                                    VerticalContentAlignment="Center" />
                                         </StackPanel>
                                     </Button>
-                                    <Button Background="#99963434" HorizontalAlignment="Stretch"
+                                    <Button Background="#99963434" HorizontalAlignment="Stretch" x:Name="BtnDeleteCustomer" Click="BtnDeleteCustomer_OnClick"
                                             HorizontalContentAlignment="Center">
                                         <StackPanel Orientation="Horizontal">
                                             <LucideIcon Kind="Trash" Width="16" Height="16" Size="16" />

MainWindow.axaml.cs

@@ -96,10 +96,31 @@ public partial class MainWindow : Window
 
         new ResultWindow(result, addresSetID).Show();
 
+        Settings.Save();
         
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
     
+    private async void StartAddressShortener(KasAddressList set)
+    {
+        //var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
+
+        var progressWindow = new ProgressWindow();
+
+        progressWindow.Show(_instance);
+
+        var processor = new AddressShortener(progressWindow);
+        await processor.Perform(set);
+
+        // foreach (var item in result)
+        // {
+        // }
+
+        progressWindow.Close();
+        Settings.Save();
+        //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
+    }
+
     // private async void StartAddressRepair(Uri path)
     // {
     //     var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
@@ -125,12 +146,34 @@ public partial class MainWindow : Window
 
     private void MnuAbout_OnClick(object? sender, RoutedEventArgs e)
     {
-        throw new NotImplementedException();
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://mypapercloud.de/logof/",
+                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+            });
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+        }
     }
 
     private void MnuHelp_OnClick(object? sender, RoutedEventArgs e)
     {
-        throw new NotImplementedException();
+        try
+        {
+            Process.Start(new ProcessStartInfo
+            {
+                FileName = "https://mypapercloud.de/logof/wiki/",
+                UseShellExecute = true // Wichtig für Plattformübergreifendes Öffnen
+            });
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Fehler beim Öffnen des Links: {ex.Message}");
+        }
     }
 
     private void MnuGit_OnClick(object? sender, RoutedEventArgs e)
@@ -149,27 +192,6 @@ public partial class MainWindow : Window
         }
     }
 
-    private async void BtnChooseFile_OnClick(object? sender, RoutedEventArgs e)
-    {
-        var topLevel = GetTopLevel(this);
-        var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
-        {
-            Title = "KAS-CSV-Datei auswählen",
-            AllowMultiple = false,
-            FileTypeFilter = new[]
-            {
-                new FilePickerFileType(".csv-Datei")
-                {
-                    Patterns = new[] { "*.csv" }
-                }
-            }
-        });
-
-        if (file == null) return;
-        //TbFilename.Text = file[0].Path.ToString();
-        filePath = file[0].Path;
-    }
-
     private void BtnCheck_OnClick(object? sender, RoutedEventArgs e)
     {
         MakeCalcManVisible();
@@ -179,7 +201,7 @@ public partial class MainWindow : Window
             return;
         }
 
-        StartAddressCheck(KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItem.ToString()));
+        StartAddressCheck(((KasAddressList)LstCustomerAdressSets.SelectedItem).ID);
     }
 
     private void BtnCombine_OnClick(object? sender, RoutedEventArgs e)
@@ -196,41 +218,7 @@ public partial class MainWindow : Window
         GrdExportMarginOptions.IsVisible = false;
     }
 
-    private async void StartCombine(Uri path)
-    {
-        MakeCalcManVisible();
-        var addresses = await DataImport.ImportKasAddressList(path);
-        var progressWindow = new ProgressWindow();
-        var address_list = new List<KasAddressList> { addresses.Item2 };
     
-        var topLevel = GetTopLevel(this);
-        var file = await topLevel!.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions
-        {
-            Title = "Weitere KAS-CSV-Dateien auswählen",
-            AllowMultiple = true,
-            FileTypeFilter = new[]
-            {
-                new FilePickerFileType(".csv-Dateien")
-                {
-                    Patterns = new[] { "*.csv" }
-                    //Patterns = new[] { "*" }
-                }
-            }
-        });
-
-        if (file == null) return;
-
-        //filePath = file[0].Path;
-        foreach (var f in file) address_list.Add((await DataImport.ImportKasAddressList(f.Path)).Item2);
-
-        progressWindow.Show(_instance);
-
-        var processor = new CombineAddresses(progressWindow);
-        //var result = await processor.Perform(address_list);
-
-
-        progressWindow.Close();
-    }
 
     private async void NavTree_SelectionChanged(object? sender, SelectionChangedEventArgs e)
     {
@@ -260,12 +248,20 @@ public partial class MainWindow : Window
         }
     }
 
-    public void PopulateNavTree()
+    public void PopulateNavTree(string? expandToPath = null, string? selectPath = null)
     {
         var roots = _wikiService.GetRootItems();
         var nodes = new List<TreeViewItem>();
         foreach (var r in roots) nodes.Add(BuildNode(r));
         NavTree.ItemsSource = nodes;
+
+        if (!string.IsNullOrWhiteSpace(expandToPath))
+            ExpandAndFindNode(nodes, expandToPath, out _);
+
+        if (!string.IsNullOrWhiteSpace(selectPath) &&
+            ExpandAndFindNode(nodes, selectPath, out var selectedNode) &&
+            selectedNode != null)
+            NavTree.SelectedItem = selectedNode;
     }
 
     private TreeViewItem BuildNode(WikiItem item)
@@ -278,6 +274,63 @@ public partial class MainWindow : Window
         return node;
     }
 
+    private string GetSelectedWikiTargetDirectory()
+    {
+        var wikiRoot = Global._instance.wiki_storage_path;
+        if (NavTree.SelectedItem is TreeViewItem treeItem && treeItem.Tag is WikiItem selectedItem)
+        {
+            if (selectedItem.IsFolder) return selectedItem.Path;
+
+            var parentDir = Path.GetDirectoryName(selectedItem.Path);
+            if (!string.IsNullOrWhiteSpace(parentDir)) return parentDir;
+        }
+
+        return wikiRoot;
+    }
+
+    private static bool PathsEqual(string left, string right)
+    {
+        var normalizedLeft = Path.GetFullPath(left)
+            .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+        var normalizedRight = Path.GetFullPath(right)
+            .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
+
+        var comparison = OperatingSystem.IsWindows()
+            ? StringComparison.OrdinalIgnoreCase
+            : StringComparison.Ordinal;
+        return string.Equals(normalizedLeft, normalizedRight, comparison);
+    }
+
+    private bool ExpandAndFindNode(IEnumerable<TreeViewItem> nodes, string targetPath, out TreeViewItem? foundNode)
+    {
+        foreach (var node in nodes)
+            if (TryExpandToPath(node, targetPath, out foundNode))
+                return true;
+
+        foundNode = null;
+        return false;
+    }
+
+    private bool TryExpandToPath(TreeViewItem node, string targetPath, out TreeViewItem? foundNode)
+    {
+        if (node.Tag is WikiItem item && PathsEqual(item.Path, targetPath))
+        {
+            foundNode = node;
+            return true;
+        }
+
+        foreach (var childRaw in node.Items)
+            if (childRaw is TreeViewItem childNode &&
+                TryExpandToPath(childNode, targetPath, out foundNode))
+            {
+                node.IsExpanded = true;
+                return true;
+            }
+
+        foundNode = null;
+        return false;
+    }
+
     private void OpenFolderButton_Click(object? sender, RoutedEventArgs e)
     {
         var path = Global._instance.wiki_storage_path;
@@ -350,48 +403,16 @@ public partial class MainWindow : Window
         MessageBox.Show(this, "Bitte starten Sie das Programm neu, um die Änderungen wirksam zu machen.", "Achtung");
     }
 
-    private async Task<string> OpenSettingsSaveAsDialog()
-    {
-        var settingsFileName = "KAS-Adress-Liste";
     
-        try
-        {
-            var filePicker = new SaveFileDialog
-            {
-                Title = "Datei speichern...",
-                InitialFileName = $"{settingsFileName}.csv",
-                DefaultExtension = ".csv",
-                Filters = new List<FileDialogFilter>
-                {
-                    new() { Name = "CSV-Datei", Extensions = { "csv" } }
-                }
-            };
 
-            var settingsSavePath = await filePicker.ShowAsync(this);
-            if (settingsSavePath == null)
-            {
-            }
-
-            return settingsSavePath;
-            //SettingsManager.Save(settingsSavePath);
-            //Logger.Log("Settings saved at " + settingsSavePath);
-        }
-        catch (Exception ex)
-        {
-            //Logger.Log("Saving file not successful: " + ex.Message, Logger.LogType.Error);
-            await MessageBox.Show(this, ex.Message, "Fehler beim Speichern der Datei");
-            return null;
-        }
-    }
-
-    private async void StartCombine(List<KasAddressList> address_lists, int owner_id, string type)
+    private async void StartCombine(List<KasAddressList> address_lists, int owner_id, string type, CombineAddresses.CombineType comb_type)
     {
         var progressWindow = new ProgressWindow();
 
         progressWindow.Show(_instance);
 
         var processor = new CombineAddresses(progressWindow);
-        var result = await processor.Perform(address_lists, type, CbMergeExportUnmerged.IsChecked);
+        var result = await processor.Perform(address_lists, type, comb_type, CbMergeExportUnmerged.IsChecked, CbMergeDeleteOld.IsChecked);
 
         if (result.Item1 != null)
             result.Item1.owner_id = owner_id;
@@ -431,7 +452,7 @@ public partial class MainWindow : Window
     {
         if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Settings._instance.customers.current)
+            if (customer.ID == Settings._instance.customers.current.ID)
                 customer.name = TbSettingsCustomerName.Text;
         //Settings.Save();
         //RefreshCustomerItems();
@@ -441,19 +462,19 @@ public partial class MainWindow : Window
     {
         if (LstSettingsCustomers.SelectedIndex < 0) return;
         Settings._instance.customers.current =
-            Customer.GetIDByCustomerListItem(LstSettingsCustomers.SelectedItems[0].ToString());
-        foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Settings._instance.customers.current)
-            {
-                TbSettingsCustomerDescription.Text = customer.description;
-                TbSettingsCustomerName.Text = customer.name;
-                TbSettingsCustomerSenderAddress.Text = customer.sender_address;
-                TbSettingsCustomerCsvSeparator.Text = customer.separator.ToString();
-                if (customer.patch != null)
-                    TbSettingsCustomerPatchInfo.Text = customer.patch.ToString();
+            ((Customer)LstSettingsCustomers.SelectedItems[0]);
+        //foreach (var customer in Settings._instance.customers.customers)
+            //if (customer.ID == Settings._instance.customers.current.ID)
+            //{
+                TbSettingsCustomerDescription.Text = Settings._instance.customers.current.description;
+                TbSettingsCustomerName.Text = Settings._instance.customers.current.name;
+                TbSettingsCustomerSenderAddress.Text = Settings._instance.customers.current.sender_address;
+                TbSettingsCustomerCsvSeparator.Text = Settings._instance.customers.current.separator.ToString();
+                if (Settings._instance.customers.current.patch != null)
+                    TbSettingsCustomerPatchInfo.Text = Settings._instance.customers.current.patch.ToString();
                 else
                     TbSettingsCustomerPatchInfo.Text = "";
-            }
+            //}
     }
 
     private async void EditButton_Click(object? sender, RoutedEventArgs e)
@@ -486,8 +507,8 @@ public partial class MainWindow : Window
         LstSettingsCustomers.Items.Clear();
         foreach (var customer in Settings._instance.customers.customers)
         {
-            LstCustomers.Items.Add(customer.ID + " - " + customer.name);
-            LstSettingsCustomers.Items.Add(customer.ID + " - " + customer.name);
+            LstCustomers.Items.Add(customer);
+            LstSettingsCustomers.Items.Add(customer);
         }
 
         try
@@ -503,7 +524,7 @@ public partial class MainWindow : Window
     {
         if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Settings._instance.customers.current)
+            if (customer.ID == Settings._instance.customers.current.ID)
                 customer.description = TbSettingsCustomerDescription.Text;
         //Settings.Save();
     }
@@ -518,7 +539,7 @@ public partial class MainWindow : Window
     {
         MakeCalcManVisible();
         if (LstCustomers.SelectedItems == null || LstCustomers.SelectedIndex == -1) return;
-        var customer_id = int.Parse(LstCustomers.SelectedItem.ToString().Split(" - ")[0]);
+        var customer_id = ((Customer)LstCustomers.SelectedItem).ID;
         RefreshAddressSetListItems(customer_id);
     }
 
@@ -543,7 +564,7 @@ public partial class MainWindow : Window
         var selected_path = paths[0].Path;
 
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Customer.GetIDByCustomerListItem(LstCustomers.SelectedItems[0].ToString()))
+            if (customer == ((Customer)LstCustomers.SelectedItems[0]))
             {
                 if (customer.patch == null)
                 {
@@ -598,7 +619,7 @@ public partial class MainWindow : Window
         foreach (var k in Settings._instance.addressSets.addresses)
         foreach (var customer in Settings._instance.customers.customers)
             if (customer.ID == k.owner_id && customer.ID == customer_id)
-                LstCustomerAdressSets.Items.Add(k.ID + " - " + k.Name + " (" + k.KasPersons.Count + " Einträge)");
+                LstCustomerAdressSets.Items.Add(k);
     }
 
     private void LstCustomerAdressSets_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
@@ -617,6 +638,7 @@ public partial class MainWindow : Window
             BtnCheck.IsEnabled = true;
             BtnCombine.IsEnabled = true;
             BtnGenerateLabels.IsEnabled = true;
+            BtnShorten.IsEnabled = true;
 
             // BtnRepair.IsEnabled = true;
             // BtnShorten.IsEnabled = true;
@@ -645,7 +667,7 @@ public partial class MainWindow : Window
         var selected_path = paths[0].Path;
 
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Customer.GetIDByCustomerListItem(LstSettingsCustomers.SelectedItems[0].ToString()))
+            if (customer.ID == ((Customer)LstSettingsCustomers.SelectedItems[0]).ID)
                 customer.patch = AddressPatch.Import(selected_path);
 
 
@@ -659,7 +681,7 @@ public partial class MainWindow : Window
             ? TbSettingsCustomerCsvSeparator.Text
             : ",";
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Settings._instance.customers.current)
+            if (customer.ID == Settings._instance.customers.current.ID)
                 try
                 {
                     customer.separator = Convert.ToChar(sep);
@@ -678,11 +700,10 @@ public partial class MainWindow : Window
     {
         var list = new List<KasAddressList>();
         foreach (var item in LstCustomerAdressSets.SelectedItems)
-            list.Add(Settings._instance.addressSets.GetAddressSetByID(
-                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+            list.Add((KasAddressList)item);
         try
         {
-            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "difference");
+            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem), "difference", GetCombiningTyp());
         }
         catch
         {
@@ -694,11 +715,10 @@ public partial class MainWindow : Window
     {
         var list = new List<KasAddressList>();
         foreach (var item in LstCustomerAdressSets.SelectedItems)
-            list.Add(Settings._instance.addressSets.GetAddressSetByID(
-                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+            list.Add((KasAddressList)item);
         try
         {
-            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "union");
+            StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "union", GetCombiningTyp());
         }
         catch
         {
@@ -711,11 +731,10 @@ public partial class MainWindow : Window
     {
         var list = new List<KasAddressList>();
         foreach (var item in LstCustomerAdressSets.SelectedItems)
-            list.Add(Settings._instance.addressSets.GetAddressSetByID(
-                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+            list.Add((KasAddressList)item);
         try
         {
-            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "intersection");
+            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "intersection", GetCombiningTyp());
         }
         catch
         {
@@ -723,14 +742,26 @@ public partial class MainWindow : Window
         }
     }
 
+    public CombineAddresses.CombineType GetCombiningTyp()
+    {
+        if (RbComprefsid.IsChecked == true)
+        {
+            return CombineAddresses.CombineType.refsid;
+        } else if (RbCompfinAd.IsChecked == true)
+        {
+            return CombineAddresses.CombineType.final_adress;
+        }
+
+        return CombineAddresses.CombineType.none;
+    }
+
     private void BtnCombineSymmetricDifference_OnClick(object? sender, RoutedEventArgs e)
     {
         var list = new List<KasAddressList>();
         foreach (var item in LstCustomerAdressSets.SelectedItems)
-            list.Add(Settings._instance.addressSets.GetAddressSetByID(
-                Convert.ToInt32(item.ToString().Split(" - ")[0])));
+            list.Add((KasAddressList)item);
 
-        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "symdiff");
+        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "symdiff", GetCombiningTyp());
     }
 
     private async void BtnGenerateLabels_OnClick(object? sender, RoutedEventArgs e)
@@ -756,8 +787,8 @@ public partial class MainWindow : Window
         {
             var builder = new PdfBuilder(Settings._instance.pdfExport);
 
-            builder.CreateAddressLabelPdfFromAddressSetWithPlaceholder(
-                Convert.ToInt32(LstCustomerAdressSets.SelectedItems[0].ToString().Split(" - ")[0]),
+            builder.CreateAddressLabelPdfFromAddressSetWithPlaceholder((
+                    (KasAddressList)LstCustomerAdressSets.SelectedItem).ID,
                 "Company Logo/Info",
                 filePath
             );
@@ -850,7 +881,7 @@ public partial class MainWindow : Window
     {
         if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
         foreach (var customer in Settings._instance.customers.customers)
-            if (customer.ID == Settings._instance.customers.current)
+            if (customer.ID == Settings._instance.customers.current.ID)
                 customer.sender_address = TbSettingsCustomerSenderAddress.Text;
     }
 
@@ -991,18 +1022,52 @@ public partial class MainWindow : Window
     private async void BtnWikiAddFile_OnClick(object? sender, RoutedEventArgs e)
     {
         var result = await NamingWindow.Show(this);
-        if (result != null)
-            try
-            {
-                File.WriteAllText(Path.Combine(Global._instance.wiki_storage_path, result), "");
-                PopulateNavTree();
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show(this, ex.StackTrace, "Fehler");
-            }
+        if (string.IsNullOrWhiteSpace(result)) return;
+
+        result = result.Trim();
+        if (!result.EndsWith(".md", StringComparison.OrdinalIgnoreCase)) result += ".md";
+
+        if (!Directory.Exists(Global._instance.wiki_storage_path))
+            Directory.CreateDirectory(Global._instance.wiki_storage_path);
+
+        try
+        {
+            var targetDirectory = GetSelectedWikiTargetDirectory();
+            Directory.CreateDirectory(targetDirectory);
+            var newFilePath = Path.Combine(targetDirectory, result);
+            File.WriteAllText(newFilePath, "");
+            PopulateNavTree(targetDirectory, newFilePath);
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show(this, ex.StackTrace, "Fehler");
+        }
     }
     
+    private async void BtnWikiAddFolder_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var result = await NamingWindow.Show(this);
+        if (string.IsNullOrWhiteSpace(result)) return;
+
+        result = result.Trim();
+        
+        if (!Directory.Exists(Global._instance.wiki_storage_path))
+            Directory.CreateDirectory(Global._instance.wiki_storage_path);
+
+        try
+        {
+            var targetDirectory = GetSelectedWikiTargetDirectory();
+            var newFolderPath = Path.Combine(targetDirectory, result);
+            Directory.CreateDirectory(newFolderPath);
+            PopulateNavTree(targetDirectory, newFolderPath);
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show(this, ex.StackTrace, "Fehler");
+        }
+    }
+
+
     private async void MnIAdSetRename_OnClick(object? sender, RoutedEventArgs e)
     {
         if (LstCustomerAdressSets.SelectedItems.Count > 0)
@@ -1013,7 +1078,7 @@ public partial class MainWindow : Window
                 {
                     var id = KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItems[0]
                         .ToString());
-                    var cus_id = Customer.GetIDByCustomerListItem(LstCustomers.SelectedItems[0].ToString());
+                    var cus_id = ((Customer)LstCustomers.SelectedItems[0]).ID;
                     foreach (var set in Settings._instance.addressSets.addresses)
                         if (set.ID == id)
                         {
@@ -1029,4 +1094,47 @@ public partial class MainWindow : Window
                 MessageBox.Show(this, ex.StackTrace, "Fehler");
             }
     }
+
+    private void BtnDeleteCustomer_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (LstSettingsCustomers.SelectedIndex == null || LstSettingsCustomers.SelectedIndex == -1) return;
+        try
+        {
+            Settings._instance.customers.customers.Remove((Customer)LstSettingsCustomers.SelectedItem);
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show(this, "Unknown Error: " + ex.Message, "Error");
+        }
+        RefreshCustomerItems();
+    }
+
+    private void BtnShorten_OnClick(object? sender, RoutedEventArgs e)
+    {
+        MakeCalcManVisible();
+        if (LstCustomerAdressSets.SelectedIndex == -1)
+        {
+            MessageBox.Show(null, "Bitte zunächst ein Adress-Set auswählen", "Kein Adress-Set ausgewählt");
+            return;
+        }
+
+        StartAddressShortener((KasAddressList)LstCustomerAdressSets.SelectedItem);
+    }
+
+    private void ChangeCSVDivider(object sender, RoutedEventArgs e)
+    {
+        try
+        {
+            string div = (sender as Button).Content as string;
+            if (div == "TAB") div = "\t";
+            if (div == "SPACE") div = " ";
+            TbSettingsCustomerCsvSeparator.Text = div;
+            Settings.Save();
+        }
+        catch
+        {
+            Console.WriteLine("Error while parsing");
+        }
+         
+    }
 }

NamingWindow.axaml

@@ -2,7 +2,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        mc:Ignorable="d" SizeToContent="WidthAndHeight"
+        mc:Ignorable="d" SizeToContent="WidthAndHeight" WindowStartupLocation="CenterScreen" Topmost="True"
         x:Class="Logof_Client.NamingWindow"
         Title="NamingWindow">
     <StackPanel Orientation="Vertical">

NamingWindow.axaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using Avalonia.Controls;
 
@@ -45,6 +46,7 @@ public partial class NamingWindow : Window
             if (parent != null)
                 wind.ShowDialog(parent);
             else wind.Show();
+            wind.Focus();
 
             return tcs.Task;
         }

ProgressWindow.axaml

@@ -3,7 +3,7 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         mc:Ignorable="d" d:DesignWidth="800" Width="800" MinWidth="800" MaxWidth="800" d:DesignHeight="150"
-        Height="150" MinHeight="150" MaxHeight="150" Icon="assets/icon.ico"
+        Height="150" MinHeight="150" MaxHeight="150" Icon="assets/icon.ico" WindowStartupLocation="CenterScreen" Topmost="True"
         x:Class="Logof_Client.ProgressWindow" Title="Verarbeitung läuft...">
     <Grid>
         <!-- <ScrollViewer x:Name="ScvLog"> -->

ProgressWindow.axaml.cs

@@ -16,9 +16,9 @@ public partial class ProgressWindow : Window
         PbProgress.Value = percentage;
     }
 
-    public void AddToLog(string message)
+    public void AddToLog(string message, string percent)
     {
-        TbLog.Text = message;
+        TbLog.Text = message + $"\n{percent}%";
         //ScvLog.ScrollToEnd();
     }
 }

ResultWindow.axaml

@@ -20,7 +20,9 @@
                     Margin="10,10,10,10" />
         </Grid>
         <ScrollViewer Grid.Column="1" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
-            <StackPanel x:Name="StkResults" Orientation="Vertical" Margin="10" />
+            <!-- <TextBlock x:Name="TbResults"></TextBlock> -->
+            <ListBox x:Name="LbResults"></ListBox>
+            <!-- <StackPanel x:Name="StkResults" Orientation="Vertical" Margin="10" /> -->
         </ScrollViewer>
 
     </Grid>

ResultWindow.axaml.cs

@@ -32,8 +32,12 @@ public partial class ResultWindow : Window
         var result_with_errors = result.Where(p => p.PersonError != null).ToList();
         LblResultCount.Content = $"{result_with_errors.Count}/{ur_result.Count} Ergebnisse";
 
-        StkResults.Children.Clear();
-        foreach (var person in result_with_errors) StkResults.Children.Add(CreatePersonGrid(person));
+        // TbResults.Text = "";
+        // foreach (var person in result_with_errors) TbResults.Text += person.PersonError.GetString()+"\n";
+        LbResults.Items.Clear();
+        foreach (var person in result_with_errors) LbResults.Items.Add(person.PersonError.ToString(person));
+        // StkResults.Children.Clear();
+        // foreach (var person in result_with_errors) StkResults.Children.Add(CreatePersonGrid(person));
     }
 
     private Grid CreatePersonGrid(KasPerson person)
@@ -201,8 +205,12 @@ public partial class ResultWindow : Window
 
         LblResultCount.Content = $"{temp_result.Count}/{ur_result.Count} Ergebnisse";
 
-        StkResults.Children.Clear();
-        foreach (var person in temp_result) StkResults.Children.Add(CreatePersonGrid(person));
+        LbResults.Items.Clear();
+        foreach (var person in temp_result) LbResults.Items.Add(person.PersonError.ToString(person));
+        // TbResults.Text = "";
+        // foreach (var person in temp_result) TbResults.Text += person.PersonError.GetString() +"\n";
+        // StkResults.Children.Clear();
+        // foreach (var person in temp_result) StkResults.Children.Add(CreatePersonGrid(person));
     }
 
 

Tasks/AddressCheck.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading;
@@ -247,7 +248,7 @@ public class AddressCheck
                 await Dispatcher.UIThread.InvokeAsync(() =>
                 {
                     if (hasFaults)
-                        _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft");
+                        _progress.AddToLog($"Person mit id {person.id} ist fehlerhaft", Convert.ToInt32(percent).ToString());
 
                     _progress.ChangePercentage(percent);
                 });

Tasks/AddressShortener.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Threading.Tasks.Dataflow;
+
+namespace Logof_Client;
+
+public class AddressShortener(ProgressWindow progressWindow)
+{
+    private readonly ProgressWindow _progress = progressWindow;
+
+    public async Task Perform(KasAddressList list)
+    {
+        // find doubled addresses by refsid
+        List<int> doubled_ids = new List<int>();
+        for (int i = 0; i < list.KasPersons.Count; i++)
+        {
+            var address =  list.KasPersons[i];
+            for (int j = 0; j < list.KasPersons.Count; j++)
+            {
+                if (i == j) continue;
+                var sec_address =  list.KasPersons[j];
+                
+                if (address.refsid == sec_address.refsid && !doubled_ids.Contains(address.refsid) && address.refsid != 0)
+                {
+                    doubled_ids.Add(address.refsid);
+                }
+            }
+        }
+        
+        
+        // delete doubled addresses by refsid
+        foreach (int id in doubled_ids)
+        {
+            // does this remove both of the doubled addresses?
+            list.KasPersons.Remove(list.KasPersons.FirstOrDefault(x => x.refsid == id));
+        }
+
+        List<int> toRemove = new List<int>();
+        foreach (var address in list.KasPersons)
+        {
+            try
+            {
+                if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.NoPLZorPPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+                else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PlzNotUsable) &&
+                         address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PPlzNotUsable))
+                {
+                    toRemove.Add(address.id);
+                } else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PlzNotUsable) &&
+                           address.PersonError.warnings.Contains(AddressCheck.WarningTypes.NoPPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+                else if (address.PersonError.errors.Contains(AddressCheck.ErrorTypes.PPlzNotUsable) &&
+                         address.PersonError.warnings.Contains(AddressCheck.WarningTypes.NoPLZ))
+                {
+                    toRemove.Add(address.id);
+                }
+            }
+            catch
+            {
+                Console.WriteLine("PersonError not accessible: " + address.id);
+            }
+        }
+        
+        // delete doubled addresses by refsid
+        foreach (int id in toRemove)
+        {
+            // does this remove both of the doubled addresses?
+            list.KasPersons.Remove(list.KasPersons.Find(x => x.id == id));
+        }
+        
+        //return null;
+    }
+}

Tasks/CombineAddresses.cs

@@ -16,14 +16,37 @@ public class CombineAddresses
         _progress = progressWindow;
     }
     
-    public async Task<(KasAddressList, KasAddressList)> Perform(List<KasAddressList> address_lists, string type,
+    public enum CombineType
+    {
+        refsid,
+        final_adress,
+        none
+    }
+
+    public async Task<(KasAddressList, KasAddressList)> Perform(List<KasAddressList> address_lists, string type, CombineType comb_type,
+        bool? exportUnused, bool? deleteOld)
+    {
+        var result = await Execute(address_lists,type,comb_type,exportUnused);
+
+        if (deleteOld == true)
+        {
+            foreach (var list in address_lists)
+            {
+                Settings._instance.addressSets.addresses.Remove(list);
+            }
+        }
+
+        return result;
+
+    }
+
+    private async Task<(KasAddressList, KasAddressList)> Execute(List<KasAddressList> address_lists, string type, CombineType comb_type,
         bool? exportUnused)
     {
-        if (type == "difference") return await Difference(address_lists, exportUnused);
-        if (type == "union") return await Union(address_lists, exportUnused);
-        if (type == "intersection") return await Intersection(address_lists, exportUnused);
-        if (type == "symdiff") return await SymmetricDifference(address_lists, exportUnused);
-
+        if (type == "difference") return await Difference(address_lists, comb_type, exportUnused);
+        if (type == "union") return await Union(address_lists, comb_type, exportUnused);
+        if (type == "intersection") return await Intersection(address_lists, comb_type, exportUnused);
+        if (type == "symdiff") return await SymmetricDifference(address_lists, comb_type, exportUnused);
         return (null, null);
     }
 
@@ -35,10 +58,12 @@ public class CombineAddresses
     /// <param name="second">Second address to compare</param>
     /// <param name="only_refsid">If true, only a refsid-check will be done</param>
     /// <returns></returns>
-    public bool CompareAddresses(KasPerson first, KasPerson second, bool only_refsid = false)
+    public bool CompareAddresses(KasPerson first, KasPerson second, CombineType comb_type)
     {
-        if (first.refsid == second.refsid) return true;
-        if (!only_refsid)
+        // A refsid of 0 means "missing", so it must not collapse unrelated entries.
+        if(comb_type == CombineType.refsid)
+            if (first.refsid != 0 && second.refsid != 0 && first.refsid == second.refsid) return true;
+        if (comb_type == CombineType.final_adress)
             if (first.name == second.name &&
                 first.anrede == second.anrede &&
                 first.anredzus == second.anredzus &&
@@ -67,7 +92,7 @@ public class CombineAddresses
         return false;
     }
 
-    public async Task<(KasAddressList, KasAddressList)> Difference(List<KasAddressList> address_lists,
+    public async Task<(KasAddressList, KasAddressList)> Difference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused,
         Progress? progress = null)
     {
@@ -85,11 +110,13 @@ public class CombineAddresses
         for (var i = 1; i < address_lists.Count; i++)
             restUnion.AddRange(address_lists[i].KasPersons);
         var result = new KasAddressList(await KasAddressList.GenerateName("difference"));
-        var second_result = new KasAddressList(await KasAddressList.GenerateName("difference_rest", false));
+        var second_result = new KasAddressList("none");
+        if(return_unused == true)
+            second_result = new KasAddressList(await KasAddressList.GenerateName("difference_rest", false));
 
         foreach (var person in address_lists[0].KasPersons)
         {
-            var isDouble = restUnion.Any(p => CompareAddresses(person, p));
+            var isDouble = restUnion.Any(p => CompareAddresses(person, p, comb_type));
             if (!isDouble)
                 result.KasPersons.Add(person);
             else
@@ -108,11 +135,13 @@ public class CombineAddresses
     }
 
 
-    public async Task<(KasAddressList, KasAddressList)> Union(List<KasAddressList> address_lists, bool? return_unused,
+    public async Task<(KasAddressList, KasAddressList)> Union(List<KasAddressList> address_lists, CombineType comb_type, bool? return_unused,
         Progress progress = null)
     {
         var result = new KasAddressList(await KasAddressList.GenerateName("union"));
-        var second_result = new KasAddressList(await KasAddressList.GenerateName("union_rest", false));
+        var second_result = new KasAddressList("none");
+        if(return_unused == true)
+            second_result = new KasAddressList(await KasAddressList.GenerateName("union_rest", false));
 
         if (address_lists == null || address_lists.Count == 0)
             return (result, null);
@@ -123,7 +152,7 @@ public class CombineAddresses
         foreach (var list in address_lists)
         foreach (var person in list.KasPersons)
         {
-            if (!result.KasPersons.Any(existing => CompareAddresses(existing, person)))
+            if (!result.KasPersons.Any(existing => CompareAddresses(existing, person, comb_type)))
                 result.KasPersons.Add(person);
             else
                 second_result.KasPersons.Add(person);
@@ -150,11 +179,12 @@ public class CombineAddresses
         return null;
     }
 
-    public async Task<(KasAddressList, KasAddressList)> Intersection(List<KasAddressList> address_lists,
+    public async Task<(KasAddressList, KasAddressList)> Intersection(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
     {
         var result = new KasAddressList(await KasAddressList.GenerateName("intersection"));
-        var second_result = new KasAddressList(await KasAddressList.GenerateName("intersection_rest", false));
+        var second_result = new KasAddressList("none");
+        if(return_unused == true) second_result = new KasAddressList(await KasAddressList.GenerateName("intersection_rest", false));
 
         if (address_lists == null || address_lists.Count == 0)
             return (result, null);
@@ -170,7 +200,7 @@ public class CombineAddresses
         {
             // Prüfen, ob Person in *allen* anderen Listen vorkommt
             var isInAll = otherLists.All(list =>
-                list.KasPersons.Any(existing => CompareAddresses(existing, person)));
+                list.KasPersons.Any(existing => CompareAddresses(existing, person, comb_type)));
 
             if (isInAll)
                 result.KasPersons.Add(person);
@@ -197,11 +227,12 @@ public class CombineAddresses
     }
 
 
-    public async Task<(KasAddressList, KasAddressList)> SymmetricDifference(List<KasAddressList> address_lists,
+    public async Task<(KasAddressList, KasAddressList)> SymmetricDifference(List<KasAddressList> address_lists, CombineType comb_type,
         bool? return_unused, Progress progress = null)
     {
         var result = new KasAddressList(await KasAddressList.GenerateName("symmetric_difference"));
-        var second_result = new KasAddressList(await KasAddressList.GenerateName("symmetric_rest", false));
+        var second_result = new KasAddressList("none");
+        if(return_unused == true) second_result = new KasAddressList(await KasAddressList.GenerateName("symmetric_rest", false));
 
         if (address_lists == null || address_lists.Count == 0)
             return (result, null);
@@ -216,7 +247,7 @@ public class CombineAddresses
         foreach (var person in list.KasPersons)
         {
             // Prüfen, ob schon vorhanden
-            var existing = allPersons.FirstOrDefault(p => CompareAddresses(p.person, person));
+            var existing = allPersons.FirstOrDefault(p => CompareAddresses(p.person, person, comb_type));
             if (existing.person != null)
             {
                 // Falls schon drin → Vorkommen erhöhen
@@ -254,65 +285,6 @@ public class CombineAddresses
         return (result, null);
     }
     
-
-    // private async Task<KasAddressList> Merge(KasAddressList first, KasAddressList second, int num, int total)
-    // {
-    //     foreach (var sec in second.KasPersons)
-    //     {
-    //         var is_new = true;
-    //         foreach (var fi in first.KasPersons)
-    //         {
-    //             if (fi.refsid == sec.refsid)
-    //             {
-    //                 is_new = false;
-    //                 break;
-    //             }
-    //
-    //             if (fi.name == sec.name &&
-    //                 fi.anrede == sec.anrede &&
-    //                 fi.anredzus == sec.anredzus &&
-    //                 fi.namezus == sec.namezus &&
-    //                 fi.titel == sec.titel &&
-    //                 fi.adel == sec.adel &&
-    //                 fi.strasse == sec.strasse &&
-    //                 fi.strasse2 == sec.strasse2 &&
-    //                 fi.vorname == sec.vorname &&
-    //                 fi.ort == sec.ort &&
-    //                 fi.land == sec.land &&
-    //                 fi.plz == sec.plz &&
-    //                 fi.pplz == sec.pplz &&
-    //                 fi.funktion == sec.funktion &&
-    //                 fi.funktion2 == sec.funktion2 &&
-    //                 fi.funktionad == sec.funktionad &&
-    //                 fi.abteilung == sec.abteilung &&
-    //                 fi.postfach == sec.postfach &&
-    //                 fi.name1 == sec.name1 &&
-    //                 fi.name2 == sec.name2 &&
-    //                 fi.name3 == sec.name3 &&
-    //                 fi.name4 == sec.name4 &&
-    //                 fi.name5 == sec.name5)
-    //             {
-    //                 is_new = false;
-    //                 break;
-    //             }
-    //         }
-    //
-    //         if (is_new) first.KasPersons.Add(sec);
-    //         var subperc = second.KasPersons.IndexOf(sec) / second.KasPersons.Count;
-    //         var percent = (num + (double)subperc) / total * 100;
-    //         await Dispatcher.UIThread.InvokeAsync(() =>
-    //         {
-    //             if (is_new)
-    //                 _progress.AddToLog($"Person mit refsid {sec.refsid} ergänzt");
-    //             else
-    //                 _progress.AddToLog($"Person mit refsid {sec.refsid} bereits vorhanden");
-    //
-    //             _progress.ChangePercentage(percent);
-    //         });
-    //     }
-    //
-    //     return first;
-    // }
 }
 
 public class Progress

Wiki/EditorWindow.axaml

@@ -2,16 +2,16 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         x:Class="Logof_Client.Wiki.EditorWindow"
         Title="Wiki Editor" MinWidth="600" MinHeight="350" WindowState="Maximized">
-    <Grid>
+    <Grid Margin="10,0,10,10">
         <Grid.RowDefinitions>
             <RowDefinition Height="50" />
             <RowDefinition Height="*" />
         </Grid.RowDefinitions>
-        <StackPanel Grid.Row="0" Orientation="Horizontal">
+        <StackPanel Grid.Row="0" Spacing="10" Orientation="Horizontal">
             <Button x:Name="BtnSave" Content="Speichern" Click="BtnSave_OnClick" />
             <Button x:Name="BtnSaveAs" Content="Speichern unter..." Click="BtnSaveAs_OnClick" />
             <Button x:Name="BtnDelete" Content="Löschen" Click="BtnDelete_OnClick" />
         </StackPanel>
-        <TextBox Grid.Row="1" x:Name="TbContent" />
+        <TextBox AcceptsTab="True" AcceptsReturn="True" Grid.Row="1" x:Name="TbContent" />
     </Grid>
 </Window>

Wiki/EditorWindow.axaml.cs

@@ -52,7 +52,11 @@ public partial class EditorWindow : Window
     {
         var result = await MessageBox.Show(null, "Sicher?", "Sicher?", MessageBoxButton.YesNo);
         if (result == MessageBoxResult.No) return;
-        File.Delete(filename);
+        try
+        {
+            File.Delete(filename);
+        } catch {}
+        
         MainWindow._instance.PopulateNavTree();
         Close();
     }