[chore:] filter by germany for running-sheet creation

# Conflicts:
#	MainWindow.axaml.cs
#	Tasks/AddressCreation.cs
#	Tasks/PdfBuilder.cs

DataStore/DataStructures.cs

@@ -178,6 +178,34 @@ public class KasPerson
     public string abteilung { get; set; }
     public string funktionad { get; set; }
 
+    public string used_plz { get; set; } = "";
+
+    public bool IsGermany()
+    {
+        var trimmedLand = (land ?? "").Trim();
+        var trimmedLowerLand = trimmedLand.ToLower();
+        var isGermany = trimmedLowerLand == "germany" || trimmedLowerLand == "ger" ||
+                        trimmedLowerLand == "" || trimmedLowerLand == "de" ||
+                        trimmedLowerLand == "deutschland";
+
+        return isGermany;
+    }
+    
+    public static void SetUsedPLZ(int id, string plz)
+    {
+        foreach (var set in Settings._instance.addressSets.addresses)
+        {
+            foreach (var add in set.KasPersons)
+            {
+                if (add.id == id)
+                {
+                    add.used_plz = plz;
+                    return;
+                }
+            }
+        }
+    }
+    
     public static int GenerateNewID(int base_id)
     {
         //var newid = 100000 + base_id;

DataStore/Settings.cs

@@ -23,7 +23,7 @@ public class Settings
 
     public static void Save()
     {
-        if (!Directory.Exists(Global._instance.config_path))
+        if (!Directory.Exists(Global._instance.config_path) && !File.Exists((Global._instance.config_path)))
             Directory.CreateDirectory(Global._instance.config_path);
         // if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
 
@@ -67,6 +67,9 @@ public class PdfExportSettings
 
     public double fontSize { get; set; } = 9;
     public double smallFontSize { get; set; } = 6;
+    public bool exportRunningSheets { get; set; } = true;
+    public int rsNumGrouped { get; set; } = 25;
+    public int rsPlzStartpoint { get; set; } = 2;
 }
 
 public class Global
@@ -169,6 +172,19 @@ public class Customer
     public char separator { get; set; } = ',';
     public int ID { get; }
 
+    public static Customer GetCustomerByID(int id)
+    {
+        foreach (var customer in Settings._instance.customers.customers)
+        {
+            if (id == customer.ID)
+            {
+                return customer;
+            }
+        }
+
+        return null;
+    }
+
 
     // public static int GetIDByCustomerListItem(string item_content)
     // {

MainWindow.axaml

@@ -78,7 +78,7 @@
                                                     </StackPanel>
                                                 </MenuItem.Header>
                                             </MenuItem>
-                                            <MenuItem x:Name="MnIAdSetDelete" Click="MnIAdSetRename_OnClick" IsEnabled="False">
+                                            <MenuItem x:Name="MnIAdSetDelete" Click="MnIAdSetDelete_OnClick" IsEnabled="True">
                                                 <MenuItem.Header>
                                                     <StackPanel Orientation="Horizontal">
                                                         <LucideIcon Kind="Trash" Width="12" Height="12" Size="12" />
@@ -254,6 +254,7 @@
                                             <Label Grid.Column="0" Content="Zellenrand rechts (mm)"></Label>
                                             <NumericUpDown Grid.Column="1" x:Name="NudExpMargCellPaddingRight" Minimum="0" Maximum="20" Value="5"></NumericUpDown>
                                         </Grid>
+                                        <CheckBox Content="Laufzettel erstellen" x:Name="CbExpRnsEnable"></CheckBox>
                                     </StackPanel>
                                     
                                     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="10">
@@ -273,6 +274,10 @@
                                             <Label Content="Zellenabstand links"></Label>
                                             <NumericUpDown Grid.Column="1" x:Name="TbExpMargMarginLeft" Minimum="0" Maximum="20" Value="0"></NumericUpDown>
                                         </Grid>
+                                        <Grid ColumnDefinitions="*,*">
+                                            <Label Grid.Column="0" Content="Anzahl gruppierter Sendungen"></Label>
+                                            <NumericUpDown Grid.Column="1" x:Name="NudExpRnsPlzcount" Minimum="1" Maximum="10000" Value="25"></NumericUpDown>
+                                        </Grid>
                                     </StackPanel>
                                     
                                     <StackPanel Grid.Column="2" Orientation="Vertical" Spacing="10">
@@ -292,6 +297,10 @@
                                             <Label Grid.Column="0" Content="Schriftgröße (klein)"></Label>
                                             <NumericUpDown Grid.Column="1" x:Name="NudExpMargSmallFontSize" Minimum="3" Maximum="30" Value="6"></NumericUpDown>
                                         </Grid>
+                                        <Grid ColumnDefinitions="*,*">
+                                            <Label Grid.Column="0" Content="Gruppierpunkt"></Label>
+                                            <NumericUpDown Grid.Column="1" x:Name="NudExpRnsPlzStartpoint" Minimum="1" Maximum="10" Value="2"></NumericUpDown>
+                                        </Grid>
                                     </StackPanel>
                                 </Grid>
                                 <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
@@ -388,7 +397,7 @@
                                     <Label Grid.Column="0">config-Datei</Label>
                                     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
                                         <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
+                                            <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged"
                                                      Watermark="/home/username/.config/logofclient/" />
                                             <Button x:Name="BtnConfigPath" HorizontalAlignment="Right">
                                                 <Button.Content>
@@ -405,7 +414,7 @@
                                     <Label Grid.Column="0">Wiki-Pfad</Label>
                                     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
                                         <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbWikiPath" HorizontalAlignment="Stretch"
+                                            <TextBox x:Name="TbWikiPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged"
                                                      Watermark="/home/username/.config/logofclient/wiki" />
                                             <Button IsEnabled="True" x:Name="BtnWikiPath" HorizontalAlignment="Right">
                                                 <Button.Content>
@@ -422,7 +431,7 @@
                                     <Label Grid.Column="0">Font-Pfad</Label>
                                     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
                                         <StackPanel Orientation="Horizontal" Spacing="5">
-                                            <TextBox x:Name="TbFontPath" HorizontalAlignment="Stretch"
+                                            <TextBox x:Name="TbFontPath" HorizontalAlignment="Stretch" TextChanged="Tb_OnTextChanged"
                                                      Watermark="[App-Direcotry]/assets/fonts/" />
                                             <Button IsEnabled="True" x:Name="BtnFontPath" HorizontalAlignment="Right">
                                                 <Button.Content>
@@ -485,7 +494,7 @@
                                                  TextChanged="TbSettingsCustomerSenderAddress_OnTextChanged"
                                                  x:Name="TbSettingsCustomerSenderAddress" />
                                     </Grid>
-                                    <Grid ColumnDefinitions="150,*,Auto">
+                                    <Grid ColumnDefinitions="150,*,Auto" x:Name="GrdCSVDividerButtonsAndTb">
                                         <Label Content="CSV-Trennzeichen" />
                                         <TextBox Grid.Column="1" Watermark=","
                                                  HorizontalAlignment="Stretch" Margin="0,0,5,0"

MainWindow.axaml.cs

@@ -28,6 +28,7 @@ public partial class MainWindow : Window
         Logger.Log($"Session on {DateTime.Now:G}");
         Logger.Log("Initializing...");
         InitializeComponent();
+        SetSettingsCustomerEnabledState(false);
         //Hide();
         
         var s = new StartupWindow();
@@ -38,6 +39,11 @@ public partial class MainWindow : Window
         Logger.Log("Loading settings...");
         Global.Load();
         Settings.Load();
+        
+        
+        if (!string.IsNullOrWhiteSpace(Global._instance.config_path))
+            TbConfigPath.Text = PathUtilities.NormalizeFileSystemPath(Global._instance.config_path);
+        
         LoadPdfExportOptions();
         HookPdfExportOptionEvents();
 
@@ -132,6 +138,8 @@ public partial class MainWindow : Window
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
     {
+        Settings.Save();
+        Global.Save();
         Environment.Exit(0);
     }
 
@@ -212,6 +220,11 @@ public partial class MainWindow : Window
     
 
     private async void NavTree_SelectionChanged(object? sender, SelectionChangedEventArgs e)
+    {
+        ReloadWikiItem();
+    }
+
+    private async void ReloadWikiItem()
     {
         if (NavTree.SelectedItem is TreeViewItem t && t.Tag is WikiItem item && !item.IsFolder)
         {
@@ -255,6 +268,8 @@ public partial class MainWindow : Window
                 ExpandAndFindNode(nodes, selectPath, out var selectedNode) &&
                 selectedNode != null)
                 NavTree.SelectedItem = selectedNode;
+            
+            ReloadWikiItem();
         }catch (Exception ex)
         {
             Logger.Log($"Error while populating nav tree: {ex.Message}", Logger.LogType.Error);
@@ -444,6 +459,7 @@ public partial class MainWindow : Window
         TbSettingsCustomerDescription.Text = "";
         TbSettingsCustomerName.Text = "";
         TbSettingsCustomerPatchInfo.Text = "";
+        TbSettingsCustomerName.Focus();
 
         Settings.Save();
         RefreshCustomerItems();
@@ -469,6 +485,7 @@ public partial class MainWindow : Window
 
     private void LstSettingsCustomers_OnSelectionChanged(object? sender, SelectionChangedEventArgs e)
     {
+        SetSettingsCustomerEnabledState(false);
         if (LstSettingsCustomers.SelectedIndex < 0) return;
         Settings._instance.customers.current =
             ((Customer)LstSettingsCustomers.SelectedItems[0]);
@@ -483,9 +500,19 @@ public partial class MainWindow : Window
                     TbSettingsCustomerPatchInfo.Text = Settings._instance.customers.current.patch.ToString();
                 else
                     TbSettingsCustomerPatchInfo.Text = "";
+        SetSettingsCustomerEnabledState();
             //}
     }
 
+    private void SetSettingsCustomerEnabledState(bool enable = true)
+    {
+        List<Object> nboom = new() { BtnSettingsImportCustomerAddressPatch, GrdCSVDividerButtonsAndTb, TbSettingsCustomerDescription, TbSettingsCustomerName, BtnDeleteCustomer, TbSettingsCustomerSenderAddress};
+        foreach (var obj in nboom)
+        {
+            (obj as Control).IsEnabled = enable;
+        }
+    }
+
     private async void EditButton_Click(object? sender, RoutedEventArgs e)
     {
         if (string.IsNullOrWhiteSpace(_selectedWikiFilePath))
@@ -494,7 +521,13 @@ public partial class MainWindow : Window
             return;
         }
 
+        var editedWikiFilePath = _selectedWikiFilePath;
         EditorWindow ew = new(_selectedWikiFilePath);
+        ew.Closed += (_, _) =>
+        {
+            if (!string.IsNullOrWhiteSpace(editedWikiFilePath) && File.Exists(editedWikiFilePath))
+                PopulateNavTree(editedWikiFilePath, editedWikiFilePath);
+        };
         ew.Show();
 
         //await MessageBox.Show(this, "Edit feature is currently disabled.", "Edit Disabled");
@@ -739,8 +772,9 @@ public partial class MainWindow : Window
             list.Add((KasAddressList)item);
         try
         {
-            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem), "difference", GetCombiningTyp());
-        }catch (Exception ex)
+            StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "difference", GetCombiningTyp());
+        }
+        catch (Exception ex)
         {
             Logger.Log($"Error while combining (difference): {ex.Message}", Logger.LogType.Error);
         }
@@ -769,7 +803,7 @@ public partial class MainWindow : Window
             list.Add((KasAddressList)item);
         try
         {
-            StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "intersection", GetCombiningTyp());
+            StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "intersection", GetCombiningTyp());
         }
         catch (Exception ex)
         {
@@ -796,7 +830,7 @@ public partial class MainWindow : Window
         foreach (var item in LstCustomerAdressSets.SelectedItems)
             list.Add((KasAddressList)item);
 
-        StartCombine(list, Convert.ToInt32(LstCustomers.SelectedItem.ToString().Split(" - ")[0]), "symdiff", GetCombiningTyp());
+        StartCombine(list, Convert.ToInt32((LstCustomers.SelectedItem as Customer).ID), "symdiff", GetCombiningTyp());
     }
 
     private async void BtnGenerateLabels_OnClick(object? sender, RoutedEventArgs e)
@@ -828,13 +862,13 @@ public partial class MainWindow : Window
 
             var filePath = await saveDialog.ShowAsync(this);
 
-            Console.WriteLine($"RAW: {filePath}");
+            Logger.Log($"RAW: {filePath}");
 
             if (!string.IsNullOrWhiteSpace(filePath))
             {
                 filePath = PathUtilities.NormalizeFileSystemPath(filePath);
 
-                Console.WriteLine($"PATH: {filePath}");
+                Logger.Log($"PATH: {filePath}");
 
                 var builder = new PdfBuilder(Settings._instance.pdfExport);
 
@@ -844,7 +878,7 @@ public partial class MainWindow : Window
                     filePath
                 );
 
-                Console.WriteLine("PDF OK");
+                Logger.Log("PDF OK");
             }
         }
 
@@ -1237,4 +1271,34 @@ public partial class MainWindow : Window
         }
          
     }
+
+    private async void MnIAdSetDelete_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if(await MessageBox.Show(this,"Wirklich löschen?","",MessageBoxButton.YesNo) == MessageBoxResult.Yes)
+        {
+            var cus_id = ((Customer)LstCustomers.SelectedItems[0]).ID;
+            var id = (LstCustomerAdressSets.SelectedItems[0] as KasAddressList).ID;
+            try
+            {
+                foreach (var set in Settings._instance.addressSets.addresses)
+                    if (set.ID == id)
+                    {
+                        Settings._instance.addressSets.addresses.Remove(set);
+                        Settings.Save();
+                        RefreshAddressSetListItems(cus_id);
+                        break;
+
+                    }    
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, ex.StackTrace, "Fehler");
+                Logger.Log($"Error while deleting address set: {ex.Message}", Logger.LogType.Error);
+            }}
+    }
+
+    private void Tb_OnTextChanged(object? sender, TextChangedEventArgs e)
+    {
+        Global.Save();
+    }
 }

MessageBox.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"
         x:Class="Logof_Client.MessageBox" Icon="assets/icon.ico"
         Title="MessageBox">
     <StackPanel>

Tasks/AddressCreation.cs

@@ -43,8 +43,7 @@ public static class AddressCreator
     public static string? CreateFinalMarkdownString(int id)
     {
         // Maximum seven lines of information
-        try
-        {
+
         // find the address
         KasPerson? address = null;
         var string_address = "";
@@ -105,7 +104,9 @@ public static class AddressCreator
         // Alternative A: pplz valid and city existing
         if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.pplz, address.land))
         {
-                        string_address = address.pplz + " " + address.ort + "\n" + string_address;
+            string pplz = NormalizeGermanPLZ(address.pplz);
+            KasPerson.SetUsedPLZ(id, pplz);
+            string_address = pplz + " " + address.ort + "\n" + string_address;
             address_line_count++;
             if (!string.IsNullOrWhiteSpace(address.postfach))
             {
@@ -151,7 +152,9 @@ public static class AddressCreator
         } // Alternative B: plz valid and city existing 
         else if (!string.IsNullOrEmpty(address.ort) && CheckPLZ(address.plz, address.land))
         {
-                        string_address = address.plz + " " + address.ort + "\n" + string_address;
+            string plz = NormalizeGermanPLZ(address.plz);
+            KasPerson.SetUsedPLZ(id, plz);
+            string_address = plz + " " + address.ort + "\n" + string_address;
             address_line_count++;
             if (!string.IsNullOrWhiteSpace(address.strasse))
             {
@@ -198,13 +201,6 @@ public static class AddressCreator
         if (address_line_count > 1) return string_address;
         return null;
     }
-        catch (Exception ex)
-        {
-            Logger.Log($"Error while creating markdown string: {ex.Message}", Logger.LogType.Error);
-        }
-
-        return null;
-    }
 
     public static string CreateNameLine(string anredezus, string anrede, string titel, string vorname, string adel,
         string name, string namezus)
@@ -231,7 +227,6 @@ public static class AddressCreator
         }
 
         return null;
-        
     }
 
     /// <summary>
@@ -277,4 +272,23 @@ public static class AddressCreator
         return false;
         
     }
+    
+    public static string NormalizeGermanPLZ(string plz)
+    {
+        if(plz.Length == 5) return plz;
+        if(plz.Length > 5)
+        {
+            return plz.Substring(0, 5);
+        }
+
+        if (plz.Length < 5)
+        {
+            int toadd = 5 - plz.Length;
+            for (int i = 0; i < toadd; i++)
+            {
+                plz = "0" + plz;
+            }
+        }
+        return plz;
+    }
 }

Tasks/PdfBuilder.cs

@@ -134,6 +134,17 @@ public class PdfBuilder
                     addresses.Add(addr);
             }
 
+        if (addresses.Count == 0)
+        {
+            MessageBox.Show(MainWindow._instance, "Keine validen Adressen konnten generiert werden. Abbruch.", "Fehler");
+            return;
+        }
+        CreateAddressLabelPdfWithPlaceholder(addresses, placeholderText, outputPath);
+
+        if (_settings.exportRunningSheets)
+        {
+            ExportRunningSheets(addressSetId, outputPath);
+        }
             CreateAddressLabelPdfWithPlaceholder(addresses, placeholderText, outputPath);
         }
         catch (Exception ex)
@@ -480,4 +491,142 @@ public class PdfBuilder
         if (left < 0 || top < 0 || right < 0 || bottom < 0)
             throw new ArgumentException("Margins cannot be negative");
     }
+
+    public void ExportRunningSheets(int setID, string path)
+    {
+        if (path.EndsWith(".pdf"))
+        {
+            path = path.Substring(0, path.Length - 4);
+            path = path + "-Laufzettel.pdf";
+        }
+        else
+        {
+            path = path + "-Laufzettel.pdf";
+        }
+
+        CreateRunningSheets(setID, path);
+
+    }
+
+    public void CreateRunningSheets(int setID, string path)
+    {
+        KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
+        var document = new PdfDocument();
+        document.Info.Title = $"Laufzettel für {list.Name}";
+        document.Info.Subject = "powered by logofclient";
+        document.Info.Author = "logofclient";
+
+        int margin = 50;
+
+        var grouped_nums = GroupAddresses(setID);
+
+        foreach (var result in grouped_nums)
+        {
+            var page = document.AddPage();
+            page.Size = PageSize.A4;
+
+            var gfx = XGraphics.FromPdfPage(page);
+
+            var width = page.Width.Point-margin;
+            var height = page.Height.Point-margin;
+            gfx.DrawLine(XPens.Black, margin, margin, margin, height);
+            gfx.DrawLine(XPens.Black, margin, margin, width, margin);
+            gfx.DrawLine(XPens.Black, width, margin, width, height);
+            gfx.DrawLine(XPens.Black, margin, height, width, height);
+
+            var boldfont = new XFont("Cantarell", 11, XFontStyleEx.Bold);
+            var font = new XFont("Cantarell", 11, XFontStyleEx.Regular);
+            var bigboldfont = new XFont("Cantarell", 35, XFontStyleEx.Bold);
+            
+            // Versandinfo
+            gfx.DrawString($"Versand {list.Name}", boldfont, XBrushes.Black,
+                new XRect(margin+5, margin, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"Start: ", font, XBrushes.Black,
+                new XRect(margin+5, margin+25, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"{result.Item3}", font, XBrushes.Black,
+                new XRect(margin+75, margin+25, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"Ende: ", font, XBrushes.Black,
+                new XRect(margin+5, margin+40, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"{result.Item4}", font, XBrushes.Black,
+                new XRect(margin+75, margin+40, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"Kunde: ", font, XBrushes.Black,
+                new XRect(margin+5, margin+55, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).name}", font, XBrushes.Black,
+                new XRect(margin+75, margin+55, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"Absender: ", font, XBrushes.Black,
+                new XRect(margin+5, margin+70, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"{Customer.GetCustomerByID(list.owner_id).sender_address}", font, XBrushes.Black,
+                new XRect(margin+75, margin+70, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"Anzahl: ", font, XBrushes.Black,
+                new XRect(margin+5, margin+85, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"{result.Item5}", font, XBrushes.Black,
+                new XRect(margin+75, margin+85, width-margin, 25), XStringFormats.CenterLeft);
+            
+            // logofclient ad
+            gfx.DrawString($"powered by logofclient", font, XBrushes.Black,
+                new XRect(margin+5, height-55, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"(c) 2026 MyPapertown", font, XBrushes.Black,
+                new XRect(margin+5, height-40, width-margin, 25), XStringFormats.CenterLeft);
+            gfx.DrawString($"mypapercloud.de/logof", font, XBrushes.Black,
+                new XRect(margin+5, height-25, width-margin, 25), XStringFormats.CenterLeft);
+
+            
+            int total_frac = 0;
+            foreach (var item in grouped_nums)
+            {
+                if (item.Item2 == result.Item2) total_frac++;
+            }
+            
+            // group number
+            gfx.DrawString($"{result.Item2}", bigboldfont, XBrushes.Black,
+                new XRect(margin, margin, width-margin, (height-margin)/2), XStringFormats.Center);
+            gfx.DrawString($"Fraktion {result.Item1}/{total_frac}", font, XBrushes.Black,
+                new XRect(margin, margin, width-margin, (height-margin)/2 + 50), XStringFormats.Center);
+        }
+        
+        document.Save(path);
+    }
+
+    /// <summary>
+    /// Calculates address groups to summarize for the single pages of the running sheets.
+    /// </summary>
+    /// <param name="setID"></param>
+    /// <returns>List of quadruples consisting of a number and the starting of the plz, as well as first, last plz and total amount of addresses</returns>
+    public List<(int, string, string, string, int)> GroupAddresses(int setID)
+    {
+        int grpcount = Settings._instance.pdfExport.rsNumGrouped; // Amount of addresses per group
+        int stpoint = Settings._instance.pdfExport.rsPlzStartpoint; // group starting point (first n characters of the plz)
+        KasAddressList list = Settings._instance.addressSets.GetAddressSetByID(setID);
+        if (list == null)
+            throw new Exception("AddressSet nicht gefunden");
+        
+        List<(int, string, string, string, int)> output = new();
+
+        List<IGrouping<string, KasPerson>> sorted_list = list.KasPersons
+            .Where(x => !string.IsNullOrEmpty(x?.used_plz) &&
+                        x.used_plz.Length >= stpoint && x.IsGermany())
+            .OrderBy(x => x.used_plz)
+            .GroupBy(x => x.used_plz.Substring(0, stpoint))
+            .ToList();
+        
+        foreach (var group in sorted_list)
+        {
+            string start = group.Key;
+            int fraktion = 0;
+
+            for (int count = 0; count < group.Count(); count += grpcount)
+            {
+                fraktion++;
+
+                int currentGroupSize = Math.Min(grpcount, group.Count() - count);
+
+                string first = group.ElementAt(count).used_plz;
+                string last = group.ElementAt(count + currentGroupSize - 1).used_plz;
+
+                output.Add((fraktion, start, first, last, currentGroupSize));
+            }
+        }
+
+        return output;
+    }
 }

Wiki/EditorWindow.axaml.cs

@@ -35,7 +35,7 @@ public partial class EditorWindow : Window
         try
         {
             File.WriteAllText(filename, TbContent.Text);
-            MainWindow._instance.PopulateNavTree();
+            MainWindow._instance.PopulateNavTree(filename, filename);
         }
         catch (Exception ex)
         {