[chore:] various tiny improvements

Reviewed-on: #57

since this still works on any linux machines and theoretical on windows machines, we're merging it to prevent wrong commits cause i configured something wrong

DataStore/Settings.cs

@@ -12,8 +12,8 @@ public class Settings
     public Customers customers = new();
     public PdfExportSettings pdfExport { get; set; } = new();
 
-    public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-        "logofclient", "config.json");
+    // public string settingsPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+    //     "logofclient", "config.json");
 
     public Settings()
     {
@@ -23,23 +23,21 @@ public class Settings
 
     public static void Save()
     {
-        if (!Directory.Exists(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                "logofclient")))
-            Directory.CreateDirectory(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-                "logofclient"));
-        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+        if (!Directory.Exists(Global._instance.config_path))
+            Directory.CreateDirectory(Global._instance.config_path);
+        // if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
 
         var json = JsonConvert.SerializeObject(_instance);
-        File.WriteAllText(_instance.settingsPath, json);
+        File.WriteAllText(Path.Combine(Global._instance.config_path,"config.json"), json);
     }
 
     public static void Load()
     {
-        if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
+        //if (!string.IsNullOrEmpty(Global._instance.config_path)) _instance.settingsPath = Global._instance.config_path;
 
         try
         {
-            var contents = File.ReadAllText(_instance.settingsPath);
+            var contents = File.ReadAllText(Path.Combine(Global._instance.config_path, "config.json"));
             _instance = JsonConvert.DeserializeObject<Settings>(contents);
             MainWindow._instance.RefreshCustomerItems();
         }
@@ -82,9 +80,13 @@ public class Global
 
     public string config_path { get; set; } = Path.Combine(
         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
-        "logofclient",
-        "config.json");
+        "logofclient");
 
+    public void SetConfigPath(string path)
+    {
+        if (!string.IsNullOrWhiteSpace(path))
+            config_path = PathUtilities.NormalizeFileSystemPath(path);
+    }
     public string wiki_storage_path { get; set; } = Path.Combine(
         Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
         "logofclient",
@@ -118,7 +120,8 @@ public class Global
             var contents = File.ReadAllText(Path.Combine(
                 Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "logofclient",
                 "global.config"));
-            _instance = JsonConvert.DeserializeObject<Global>(contents);
+            _instance = JsonConvert.DeserializeObject<Global>(contents) ?? new Global();
+            _instance.NormalizePaths();
         }
         catch (Exception ex)
         {
@@ -127,6 +130,13 @@ public class Global
             Save();
         }
     }
+
+    private void NormalizePaths()
+    {
+        config_path = PathUtilities.NormalizeFileSystemPath(config_path);
+        wiki_storage_path = PathUtilities.NormalizeFileSystemPath(wiki_storage_path);
+        font_path = PathUtilities.NormalizeFileSystemPath(font_path);
+    }
 }
 
 public class Customers

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" />
@@ -389,7 +389,7 @@
                                     <StackPanel Grid.Column="1" Orientation="Vertical" Spacing="5">
                                         <StackPanel Orientation="Horizontal" Spacing="5">
                                             <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
-                                                     Watermark="/home/username/.config/logofclient/config.json" />
+                                                     Watermark="/home/username/.config/logofclient/" />
                                             <Button x:Name="BtnConfigPath" HorizontalAlignment="Right">
                                                 <Button.Content>
                                                     <StackPanel Orientation="Horizontal">

MainWindow.axaml.cs

@@ -38,6 +38,11 @@ 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();
 
@@ -57,7 +62,7 @@ public partial class MainWindow : Window
             try
             {
                 if (!string.IsNullOrWhiteSpace(Global._instance.wiki_storage_path))
-                    TbWikiPath.Text = Global._instance.wiki_storage_path;
+                    TbWikiPath.Text = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             }
             catch (Exception ex)
             {
@@ -132,6 +137,8 @@ public partial class MainWindow : Window
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
     {
+        Settings.Save();
+        Global.Save();
         Environment.Exit(0);
     }
 
@@ -212,6 +219,11 @@ 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 +267,8 @@ 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);
@@ -275,7 +289,7 @@ public partial class MainWindow : Window
     {
         try
         {
-            var wikiRoot = Global._instance.wiki_storage_path;
+            var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             if (NavTree.SelectedItem is TreeViewItem treeItem && treeItem.Tag is WikiItem selectedItem)
             {
                 if (selectedItem.IsFolder) return selectedItem.Path;
@@ -294,6 +308,9 @@ public partial class MainWindow : Window
 
     private static bool PathsEqual(string left, string right)
     {
+        left = PathUtilities.NormalizeFileSystemPath(left);
+        right = PathUtilities.NormalizeFileSystemPath(right);
+
         var normalizedLeft = Path.GetFullPath(left)
             .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
         var normalizedRight = Path.GetFullPath(right)
@@ -337,7 +354,7 @@ public partial class MainWindow : Window
 
     private void OpenFolderButton_Click(object? sender, RoutedEventArgs e)
     {
-        var path = Global._instance.wiki_storage_path;
+        var path = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
         if (!Directory.Exists(path)) return;
 
         try
@@ -364,9 +381,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbWikiPath.Text = chosen.ToString();
-        Global._instance.wiki_storage_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        TbWikiPath.Text = chosen;
+        Global._instance.wiki_storage_path = chosen;
         Global.Save();
 
         // reinit wiki service and reload tree
@@ -384,9 +401,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbFontPath.Text = chosen.ToString();
-        Global._instance.font_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        TbFontPath.Text = chosen;
+        Global._instance.font_path = chosen;
         Global.Save();
     }
 
@@ -400,9 +417,9 @@ public partial class MainWindow : Window
         });
 
         if (folder == null || folder.Count == 0) return;
-        var chosen = folder[0].Path;
-        TbConfigPath.Text = chosen.ToString();
-        Global._instance.config_path = chosen.ToString();
+        var chosen = PathUtilities.NormalizeFileSystemPath(folder[0].Path);
+        Global._instance.SetConfigPath(chosen);
+        TbConfigPath.Text = Global._instance.config_path;
         Global.Save();
 
         MessageBox.Show(this, "Bitte starten Sie das Programm neu, um die Änderungen wirksam zu machen.", "Achtung");
@@ -441,6 +458,7 @@ public partial class MainWindow : Window
         TbSettingsCustomerDescription.Text = "";
         TbSettingsCustomerName.Text = "";
         TbSettingsCustomerPatchInfo.Text = "";
+        TbSettingsCustomerName.Focus();
 
         Settings.Save();
         RefreshCustomerItems();
@@ -491,7 +509,13 @@ 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");
@@ -829,10 +853,7 @@ public partial class MainWindow : Window
 
             if (!string.IsNullOrWhiteSpace(filePath))
             {
-                if (filePath.StartsWith("file://"))
-                {
-                    filePath = new Uri(filePath).LocalPath;
-                }
+                filePath = PathUtilities.NormalizeFileSystemPath(filePath);
 
                 Console.WriteLine($"PATH: {filePath}");
 
@@ -1106,11 +1127,18 @@ public partial class MainWindow : Window
         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);
+        var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
+        if (!Directory.Exists(wikiRoot))
+            Directory.CreateDirectory(wikiRoot);
 
         try
         {
+            if (PathUtilities.HasInvalidFileNameChars(result))
+            {
+                MessageBox.Show(this, "Der Dateiname enthält ungültige Zeichen.", "Fehler");
+                return;
+            }
+
             var targetDirectory = GetSelectedWikiTargetDirectory();
             Directory.CreateDirectory(targetDirectory);
             var newFilePath = Path.Combine(targetDirectory, result);
@@ -1131,11 +1159,18 @@ public partial class MainWindow : Window
 
         result = result.Trim();
         
-        if (!Directory.Exists(Global._instance.wiki_storage_path))
-            Directory.CreateDirectory(Global._instance.wiki_storage_path);
+        var wikiRoot = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
+        if (!Directory.Exists(wikiRoot))
+            Directory.CreateDirectory(wikiRoot);
 
         try
         {
+            if (PathUtilities.HasInvalidFileNameChars(result))
+            {
+                MessageBox.Show(this, "Der Ordnername enthält ungültige Zeichen.", "Fehler");
+                return;
+            }
+
             var targetDirectory = GetSelectedWikiTargetDirectory();
             var newFolderPath = Path.Combine(targetDirectory, result);
             Directory.CreateDirectory(newFolderPath);
@@ -1223,4 +1258,29 @@ 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);
+            }}
+    }
 }

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/CsvBuilder.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -64,6 +65,8 @@ public class CsvBuilder
     }
 
     private string EscapeCsvField(string? value)
+    {
+        try
         {
             var field = value ?? string.Empty;
             var mustQuote = field.Contains(Separator) || field.Contains('"') || field.Contains('\r') || field.Contains('\n');
@@ -72,4 +75,12 @@ public class CsvBuilder
 
             return "\"" + field.Replace("\"", "\"\"") + "\"";
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while escapting csv field: {ex.Message}",Logger.LogType.Warning);
+        }
+
+        return "";
+
+    }
 }

Tasks/DataImport.cs

@@ -19,6 +19,8 @@ public class DataImport
     }
 
     private static async Task<(bool, KasAddressList)> ImportKasAddressListWithoutPatch(Uri pathToCsv, char separator)
+    {
+        try
         {
             if (!File.Exists(pathToCsv.LocalPath))
             {
@@ -83,7 +85,7 @@ public class DataImport
                 }
                 catch (Exception ex)
                 {
-                Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
+                    Logger.Log($"Error while creating new kas person (import): {ex.Message}",Logger.LogType.Error);
                     Console.WriteLine(ex.StackTrace);
                     return (false, null);
                 }
@@ -91,9 +93,18 @@ public class DataImport
 
             return (true, imported);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing kas address list without patch: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return (false, null);
+    }
 
     private static async Task<(bool, KasAddressList)> ImportKasAddressListWithPatch(Uri pathToCsv, AddressPatch patch,
         char separator)
+    {
+        try
         {
             if (!File.Exists(pathToCsv.LocalPath))
             {
@@ -217,13 +228,19 @@ public class DataImport
                 }
                 catch (Exception ex)
                 {
-                Console.WriteLine($"Error while parsing line: {line} - {ex.Message}");
+                    Logger.Log($"Error while creating kas person (import, patch): {ex.Message}",Logger.LogType.Error);
                     Console.WriteLine(ex.StackTrace);
                     return (false, null);
                 }
             }
 
             return (true, imported);
+        }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while importing kas address list with patch: {ex.Message}",Logger.LogType.Error);
+        }
+        
 
         // int GenerateNewRefsid()
         // {
@@ -236,6 +253,7 @@ public class DataImport
         //     last_refsid = biggest + 1;
         //     return last_refsid;
         // }
+        return (false, null);
     }
 
 
@@ -245,6 +263,8 @@ public class DataImport
     }
 
     private static string[] ParseCsvLine(string line, char separator)
+    {
+        try
         {
             var fields = new List<string>();
             var current = new StringBuilder();
@@ -280,4 +300,11 @@ public class DataImport
             fields.Add(current.ToString().Trim());
             return fields.ToArray();
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while persing csv line: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return [];
+    }
 }

Tasks/PdfBuilder.cs

@@ -17,6 +17,8 @@ public class PdfBuilder
     private readonly XFont _smallFont;
 
     public PdfBuilder(PdfExportSettings? settings = null)
+    {
+        try
         {
             EnsureFontResolverRegistered();
             _settings = settings ?? new PdfExportSettings();
@@ -32,8 +34,9 @@ public class PdfBuilder
                         chosenFamily = StripStyleSuffix(Path.GetFileNameWithoutExtension(first)) ?? chosenFamily;
                 }
             }
-        catch
+            catch (Exception ex)
             {
+                Logger.Log($"Error while searching for fonts: {ex.Message}",Logger.LogType.Error);
                 chosenFamily = "Arial";
             }
 
@@ -41,15 +44,32 @@ public class PdfBuilder
             _regularFont = new XFont(chosenFamily, _settings.fontSize, XFontStyleEx.Regular);
             _smallFont = new XFont(chosenFamily, _settings.smallFontSize, XFontStyleEx.Regular);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while font resolving: {ex.Message}",Logger.LogType.Error);
+        }
+        
+
+    }
 
     private static void EnsureFontResolverRegistered()
+    {
+        try
         {
             if (GlobalFontSettings.FontResolver != null) return;
             //var fontsDir = Path.Combine(AppContext.BaseDirectory, "fonts");
             GlobalFontSettings.FontResolver = new StableFontResolver(Global._instance.font_path);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while ensuring font resolver register state: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private static string StripStyleSuffix(string name)
+    {
+        try
         {
             if (string.IsNullOrEmpty(name)) return name;
             var idx = name.IndexOf('-');
@@ -58,6 +78,14 @@ public class PdfBuilder
                 return name.Substring(0, idx);
             return name;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while stripping style suffix: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+
+    }
 
 
     /// <summary>
@@ -68,6 +96,8 @@ public class PdfBuilder
     /// <param name="outputPath">Path where the PDF should be saved</param>
     public void CreateAddressLabelPdfFromAddressSetWithPlaceholder(int addressSetId, string placeholderText,
         string outputPath)
+    {
+        try
         {
             // Find the AddressSet by ID
             var addressSet = Settings._instance.addressSets.GetAddressSetByID(addressSetId);
@@ -106,6 +136,12 @@ public class PdfBuilder
 
             CreateAddressLabelPdfWithPlaceholder(addresses, placeholderText, outputPath);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while creating address label pdf from address set with placeholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     /// <summary>
     ///     Creates a PDF document with a single placeholder cell for other information.
@@ -114,6 +150,8 @@ public class PdfBuilder
     /// <param name="placeholderText">Text for the first cell (top-left)</param>
     /// <param name="outputPath">Path where the PDF should be saved</param>
     public void CreateAddressLabelPdfWithPlaceholder(List<string> addresses, string placeholderText, string outputPath)
+    {
+        try
         {
                 if (addresses == null || addresses.Count == 0)
                     throw new ArgumentException("Addresses array cannot be null or empty");
@@ -136,6 +174,12 @@ public class PdfBuilder
 
                 document.Save(outputPath);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while creating address label pdf with placeholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawPage(XGraphics gfx, List<string> addresses, ref int addressIndex)
     {
@@ -158,6 +202,8 @@ public class PdfBuilder
 
     private void DrawPageWithPlaceholder(XGraphics gfx, List<string> addresses, ref int addressIndex,
         ref bool isFirstCell, string placeholderText)
+    {
+        try
         {
             for (var row = 0; row < _settings.rowsPerPage; row++)
             for (var col = 0; col < _settings.columnsPerPage; col++)
@@ -182,8 +228,16 @@ public class PdfBuilder
                 }
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing page with placholder: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawCell(XGraphics gfx, double x, double y, string? address)
+    {
+        try
         {
             var cellWidthPoints = MmToPoints(GetCellWidthMm());
             var cellHeightPoints = MmToPoints(GetCellHeightMm());
@@ -195,8 +249,16 @@ public class PdfBuilder
             // Draw address content if available
             if (!string.IsNullOrEmpty(address)) DrawMarkdownText(gfx, address, x, y, cellWidthPoints, cellHeightPoints);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing cell: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawEmptyCell(XGraphics gfx, double x, double y)
+    {
+        try
         {
             var cellWidthPoints = MmToPoints(GetCellWidthMm());
             var cellHeightPoints = MmToPoints(GetCellHeightMm());
@@ -204,8 +266,16 @@ public class PdfBuilder
             var rect = new XRect(x, y, cellWidthPoints, cellHeightPoints);
             gfx.DrawRectangle(XPens.Black, rect);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing empty cell: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawMarkdownText(XGraphics gfx, string text, double x, double y, double cellWidth, double cellHeight)
+    {
+        try
         {
             var paddingLeftPoints = MmToPoints(_settings.cellPaddingLeftMm);
             var paddingRightPoints = MmToPoints(_settings.cellPaddingRightMm);
@@ -240,8 +310,16 @@ public class PdfBuilder
                 currentY += lineHeight;
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing markdown text: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private void DrawLineWithMarkdown(XGraphics gfx, string line, double x, double y, double maxWidth)
+    {
+        try
         {
             if (string.IsNullOrWhiteSpace(line)) return;
             var currentX = x;
@@ -331,8 +409,16 @@ public class PdfBuilder
                 i = textEnd;
             }
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while drawing markdown line: {ex.Message}",Logger.LogType.Error);
+        }
+        
+    }
 
     private string TruncateTextToWidth(XGraphics gfx, string text, XFont font, double maxWidth)
+    {
+        try
         {
             if (string.IsNullOrEmpty(text))
                 return text;
@@ -347,6 +433,13 @@ public class PdfBuilder
 
             return string.Empty;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while truncating text to width: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     /// <summary>
     ///     Converts millimeters to points (1 mm = 2.834645669 points)

Tasks/StableFontResolver.cs

@@ -62,13 +62,15 @@ public class StableFontResolver : IFontResolver
                 }
             }
         }
-        catch
+        catch (Exception ex)
         {
-            // ignore resolver init errors
+            Logger.Log($"Error while initializing FontResolver: {ex.Message}",Logger.LogType.Error);
         }
     }
 
     private static string NormalizeStyle(string s)
+    {
+        try
         {
             if (string.IsNullOrEmpty(s)) return "Regular";
             s = s.ToLowerInvariant();
@@ -78,8 +80,17 @@ public class StableFontResolver : IFontResolver
             if (s.Contains("regular") || s == "r") return "Regular";
             return CultureInfo.InvariantCulture.TextInfo.ToTitleCase(s);
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while normalizing style: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
+    {
+        try
         {
             // If requested family exists, pick corresponding style if available
             string familyToUse = null;
@@ -100,8 +111,17 @@ public class StableFontResolver : IFontResolver
             // Face name format: Family#Style
             return new FontResolverInfo($"{familyToUse}#{style}");
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while resolving typeface: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return null;
+    }
 
     public byte[] GetFont(string faceName)
+    {
+        try
         {
             if (string.IsNullOrEmpty(faceName)) return null;
 
@@ -133,4 +153,11 @@ public class StableFontResolver : IFontResolver
 
             return null;
         }
+        catch (Exception ex)
+        {
+            Logger.Log($"Error while getting font: {ex.Message}",Logger.LogType.Error);
+        }
+
+        return [];
+    }
 }

Wiki/EditorWindow.axaml.cs

@@ -10,20 +10,24 @@ public partial class EditorWindow : Window
     public string filename = "";
 
     public EditorWindow(string filename = "")
+    {
+        try
         {
             InitializeComponent();
-        this.filename = filename;
-        if (!string.IsNullOrWhiteSpace(filename) && File.Exists(filename))
+            this.filename = PathUtilities.NormalizeFileSystemPath(filename);
+            if (!string.IsNullOrWhiteSpace(this.filename) && File.Exists(this.filename))
             {
                 var content = TbContent;
                 if (content != null) content.Text = File.ReadAllText(this.filename);
                 Title = "Wiki Editor - " + filename;
             }
-        else if (!string.IsNullOrWhiteSpace(filename))
+            else if (!string.IsNullOrWhiteSpace(this.filename))
             {
                 MessageBox.Show(null, "Die Datei existiert nicht", "Fehler");
                 Close();
             }
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+        
     }
 
     private void BtnSave_OnClick(object? sender, RoutedEventArgs e)
@@ -31,20 +35,22 @@ public partial class EditorWindow : Window
         try
         {
             File.WriteAllText(filename, TbContent.Text);
-            MainWindow._instance.PopulateNavTree();
+            MainWindow._instance.PopulateNavTree(filename, filename);
         }
         catch (Exception ex)
         {
             MessageBox.Show(null,
                 "Es ist ein Fehler aufgetreten. Bitte senden Sie ihn über git.mypapercloud.de/fierke/logofclient ein:\n" +
                 ex.StackTrace, "Fehler");
+            Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);
         }
     }
 
     private void BtnSaveAs_OnClick(object? sender, RoutedEventArgs e)
     {
         MessageBox.Show(null,
-            "Feature noch nicht implemetiert.\nErstelle neue Dateien unter " + Global._instance.wiki_storage_path,
+            "Feature noch nicht implemetiert.\nErstelle neue Dateien unter " +
+            PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path),
             "Fehler");
     }
 
@@ -55,7 +61,7 @@ public partial class EditorWindow : Window
         try
         {
             File.Delete(filename);
-        } catch {}
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
         
         MainWindow._instance.PopulateNavTree();
         Close();

Wiki/MarkdownRenderer.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using Avalonia.Controls;
 using Avalonia.Media;
@@ -11,6 +12,8 @@ namespace Logof_Client.Wiki;
 public static class MarkdownRenderer
 {
     public static Control Render(string markdown)
+    {
+        try
         {
             var panel = new StackPanel { Spacing = 6 };
             if (string.IsNullOrWhiteSpace(markdown)) return panel;
@@ -93,9 +96,14 @@ public static class MarkdownRenderer
             }
     
             return panel;
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+
+        return new Panel();
     }
 
     private static string GetInlineText(ContainerInline? container)
+    {
+        try
         {
             if (container == null) return string.Empty;
             var sb = new StringBuilder();
@@ -125,5 +133,8 @@ public static class MarkdownRenderer
             }
 
             return sb.ToString();
+        } catch  (Exception ex) { Logger.Log($"Error while : {ex.Message}",Logger.LogType.Error);}
+
+        return null;
     }
 }

Wiki/WikiService.cs

@@ -13,7 +13,7 @@ public class WikiService
         // prefer global wiki storage path if configured
         if (Global._instance != null && !string.IsNullOrWhiteSpace(Global._instance.wiki_storage_path))
         {
-            var cfg = Global._instance.wiki_storage_path;
+            var cfg = PathUtilities.NormalizeFileSystemPath(Global._instance.wiki_storage_path);
             WikiRootFullPath = Path.IsPathRooted(cfg)
                 ? cfg
                 : Path.Combine(Directory.GetCurrentDirectory(), cfg);
@@ -25,8 +25,11 @@ public class WikiService
                 wikiRoot = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
                     "logofclient",
                     "wiki");
+            wikiRoot = PathUtilities.NormalizeFileSystemPath(wikiRoot);
             WikiRoot = wikiRoot;
-            WikiRootFullPath = Path.Combine(Directory.GetCurrentDirectory(), wikiRoot);
+            WikiRootFullPath = Path.IsPathRooted(wikiRoot)
+                ? wikiRoot
+                : Path.Combine(Directory.GetCurrentDirectory(), wikiRoot);
         }
     }
 

docs/logof_client_docs.tex

@@ -1,157 +0,0 @@
-\documentclass[a4paper]{article}
-\usepackage{graphicx}
-\usepackage[left=3cm,right=3cm,top=3cm, bottom=3cm]{geometry}
-\usepackage{amsmath}
-\usepackage{amssymb}
-\usepackage[headsepline, footsepline]{scrlayer-scrpage}
-\usepackage{enumerate}
-\usepackage{dsfont}
-\usepackage[]{mathtools}
-\usepackage[]{mathbbol}
-\usepackage{multicol}
-\usepackage{enumitem}
-\usepackage[hidelinks]{hyperref}
-\usepackage[]{circuitikz}
-\usepackage{tcolorbox} % Für schöne Boxen
-\usetikzlibrary{circuits.logic.IEC}
-\usepackage{tikz}
-\usepackage{tkz-graph}
-\usepackage{listings}
-\usepackage{xcolor}
-
-\setlist{itemsep=0.3em, topsep=0.5em, parsep=0pt}
-
-\newcommand{\bpf}[1]{%
-	\par\vspace{0.8\baselineskip}% Abstand vor der Überschrift
-	\noindent\textbf{#1}% Fettgedruckte Überschrift
-	\par\vspace{0.3\baselineskip}% Abstand nach der Überschrift
-}
-
-
-
-\renewcommand{\contentsname}{Inhaltsverzeichnis}
-\renewcommand{\figurename}{Grafik}
-\renewcommand{\partname}{Teil}
-\renewcommand{\epsilon}{\varepsilon}
-
-\definecolor{darkgrey}{HTML}{232327}
-
-% Zählerdefinition mit AUTOMATISCHEM SUBSECTION-RESET
-\newcounter{commoncounter}[subsection]
-\renewcommand{\thecommoncounter}{\thesubsection.\arabic{commoncounter}}
-
-% Zähler direkt bei Dokumentstart initialisieren
-\AtBeginDocument{\setcounter{commoncounter}{0}}
-
-% BOX-DEFINITIONEN mit korrigierter Zählerlogik
-\newtcolorbox{definitionbox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Definition \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!darkgrey,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-\newtcolorbox{examplebox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Beispiel \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!orange,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-\newtcolorbox{satzbox}[1][]{
-	before title={\refstepcounter{commoncounter}}, % KRITISCH: vor dem Titel!
-	title={Satz \thecommoncounter: #1},
-	colback=white,
-	colframe=white!75!blue,
-	fonttitle=\bfseries,
-	boxrule=0.6mm,
-	coltitle=black,
-	rounded corners,
-	before skip=10pt,
-	after skip=10pt
-}
-
-
-
-\definecolor{codegreen}{rgb}{0,0.6,0}
-\definecolor{codeblue}{rgb}{0,0,0.8}
-\definecolor{codered}{rgb}{0.8,0,0}
-\definecolor{lightgray}{rgb}{0.95,0.95,0.95}
-
-\lstdefinestyle{CSharpStyle}{
-	language=Python,
-	basicstyle=\ttfamily\small, % Monospace-Schrift
-	keywordstyle=\color{blue}\bfseries, % Schlüsselwörter fett und blau
-	stringstyle=\color{red}, % Strings rot
-	commentstyle=\color{codegreen}, % Kommentare grün
-	backgroundcolor=\color{lightgray}, % Hintergrundfarbe
-	numbers=left, % Zeilennummern links
-	numbersep=10px, % Abstand zwischen Zeilennummern und Code
-	numberstyle=\color{gray}\texttt,
-	stepnumber=1, % Zeilennummerierung Schrittweite 1
-	frame=single, % Rahmen um den Code
-	tabsize=4, % Tabulatorgröße
-	breaklines=true, % Zeilenumbruch aktivieren
-	captionpos=none,
-	showstringspaces=false,
-	xleftmargin=15pt, % Linker Rand für den Code (verschiebt alles nach rechts)
-}
-
-
-
-% Umgebung für Listings mit Titel und Zähler
-\newenvironment{codeexample}[1][]{
-	\refstepcounter{commoncounter} % Zähler erhöhen
-	\lstset{
-		style=CSharpStyle,
-		caption={Listing \thecommoncounter: #1}, % Titel mit Zähler
-		label={listing:\thecommoncounter}
-	}
-}{}
-
-
-\setlength{\parindent}{0pt}
-
-\title{\includegraphics[width=0.3\textwidth]{../assets/icon.png}\vspace{15pt}\\Logof Client\\
-	Handbuch}
-\author{Elias Fierke}
-\pagestyle{scrheadings}
-\date{Oktober 2025}
-\begin{document}
-	
-	\ohead{Oktober 2025}
-	\ofoot{Seite {\pagemark} von \pageref{LastPage}}
-	\ihead{Logof Client Handbuch}
-	\maketitle
-
-	
-	\tableofcontents
-	
-	\newpage
-	\part{Einführung}
-	
-	
-	\newpage
-	\part{Installation}
-	
-	\newpage
-	\part{Adress-Verwaltung}
-
-
-	
-
-	
-\label{LastPage}
-\end{document}