[feat:] implemented renaming functionality

implemented the usage of NamingWindow

Logof Client.csproj

@@ -9,25 +9,25 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="11.3.2" />
+        <PackageReference Include="Avalonia" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Controls.DataGrid" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Desktop" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Desktop" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Themes.Fluent" Version="11.3.2"/>
-        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2" />
+        <PackageReference Include="Avalonia.Fonts.Inter" Version="11.3.2"/>
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Include="Avalonia.Diagnostics" Version="11.3.2">
             <IncludeAssets Condition="'$(Configuration)' != 'Debug'">None</IncludeAssets>
             <PrivateAssets Condition="'$(Configuration)' != 'Debug'">All</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="ISO3166" Version="1.0.4" />
+        <PackageReference Include="ISO3166" Version="1.0.4"/>
-        <PackageReference Include="Lucide.Avalonia" Version="0.1.35" />
+        <PackageReference Include="Lucide.Avalonia" Version="0.1.35"/>
-        <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.4"/>
-        <PackageReference Include="PdfSharp" Version="6.1.1" />
+        <PackageReference Include="PdfSharp" Version="6.1.1"/>
     </ItemGroup>
 
     <ItemGroup>
-        <PackageReference Include="Markdig" Version="0.30.3" />
+        <PackageReference Include="Markdig" Version="0.30.3"/>
-        <PackageReference Include="AvaloniaEdit" Version="0.10.12" />
+        <PackageReference Include="AvaloniaEdit" Version="0.10.12"/>
     </ItemGroup>
 
     <ItemGroup>
@@ -37,17 +37,25 @@
     </ItemGroup>
 
     <ItemGroup>
-        <None Remove="assets\icon.ico" />
+        <None Remove="assets\icon.ico"/>
         <AvaloniaResource Include="assets\icon.ico">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
-        <None Remove="assets\calc_man.png" />
+        <None Remove="assets\calc_man.png"/>
         <AvaloniaResource Include="assets\calc_man.png">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
-        <None Remove="assets\loading.mp4" />
+        <None Remove="assets\loading.mp4"/>
         <AvaloniaResource Include="assets\loading.mp4">
             <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
         </AvaloniaResource>
     </ItemGroup>
+
+    <ItemGroup>
+        <Content Include="assets\fonts\**\*.*">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </Content>
+
+        <Folder Include="assets\fonts\"/>
+    </ItemGroup>
 </Project>

MainWindow.axaml

@@ -67,7 +67,20 @@
                                          SelectionChanged="LstCustomerAdressSets_OnSelectionChanged"
                                          Background="AliceBlue"
                                          Margin="0,5,0,5"
-                                         SelectionMode="Multiple,Toggle" />
+                                         SelectionMode="Multiple,Toggle">
+                                    <ListBox.ContextMenu>
+                                        <ContextMenu>
+                                            <MenuItem x:Name="MnIAdSetRename" Click="MnIAdSetRename_OnClick">
+                                                <MenuItem.Header>
+                                                    <StackPanel Orientation="Horizontal">
+                                                        <LucideIcon Kind="Pencil" Width="12" Height="12" Size="12" />
+                                                        <Label Content="Umbenennen" VerticalContentAlignment="Center" />
+                                                    </StackPanel>
+                                                </MenuItem.Header>
+                                            </MenuItem>
+                                        </ContextMenu>
+                                    </ListBox.ContextMenu>
+                                </ListBox>
 
                                 <Button Grid.Row="2" HorizontalAlignment="Stretch" x:Name="BtnCustomerAddressSetImport"
                                         Click="BtnCustomerAddressSetImport_OnClick">
@@ -257,9 +270,10 @@
                     <Grid ColumnDefinitions="300,*">
                         <Border Grid.Column="0" Background="#FFF" BorderBrush="#DDD" BorderThickness="0,0,1,0">
                             <StackPanel>
-                                <TextBlock Text="Wiki" FontSize="18" Margin="12" />
+                                <Button Content="+ Hinzufügen" Margin="10" x:Name="BtnWikiAddFile"
+                                        Click="BtnWikiAddFile_OnClick" />
                                 <ScrollViewer HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto">
-                                    <TreeView Name="NavTree" Margin="8" />
+                                    <TreeView Name="NavTree" Margin="10" />
                                 </ScrollViewer>
                             </StackPanel>
                         </Border>
@@ -307,7 +321,7 @@
                                         <StackPanel Orientation="Horizontal" Spacing="5">
                                             <TextBox x:Name="TbConfigPath" HorizontalAlignment="Stretch"
                                                      Watermark="/home/username/.config/logofclient/config.json" />
-                                            <Button IsEnabled="False">
+                                            <Button x:Name="BtnConfigPath" HorizontalAlignment="Right">
                                                 <Button.Content>
                                                     <StackPanel Orientation="Horizontal">
                                                         <LucideIcon Kind="File" Width="16" Height="16" Size="16" />
@@ -324,7 +338,24 @@
                                         <StackPanel Orientation="Horizontal" Spacing="5">
                                             <TextBox x:Name="TbWikiPath" HorizontalAlignment="Stretch"
                                                      Watermark="/home/username/.config/logofclient/wiki" />
-                                            <Button IsEnabled="True" x:Name="BtnWikiPath">
+                                            <Button IsEnabled="True" x:Name="BtnWikiPath" HorizontalAlignment="Right">
+                                                <Button.Content>
+                                                    <StackPanel Orientation="Horizontal">
+                                                        <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" />
+                                                        <Label Content="Öffnen..." VerticalContentAlignment="Center" />
+                                                    </StackPanel>
+                                                </Button.Content>
+                                            </Button>
+                                        </StackPanel>
+                                    </StackPanel>
+                                </Grid>
+                                <Grid ColumnDefinitions="400,*">
+                                    <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"
+                                                     Watermark="[App-Direcotry]/assets/fonts/" />
+                                            <Button IsEnabled="True" x:Name="BtnFontPath" HorizontalAlignment="Right">
                                                 <Button.Content>
                                                     <StackPanel Orientation="Horizontal">
                                                         <LucideIcon Kind="Folder" Width="16" Height="16" Size="16" />

MainWindow.axaml.cs

@@ -15,6 +15,7 @@ public partial class MainWindow : Window
     public static MainWindow _instance;
 
     private Country _selectedCountry;
+    private string _selectedWikiFilePath;
     private bool _suppressCountryRefresh;
 
     private WikiService _wikiService;
@@ -57,6 +58,8 @@ public partial class MainWindow : Window
             try
             {
                 BtnWikiPath.Click += BtnWikiPath_Click;
+                BtnFontPath.Click += BtnFontPath_Click;
+                BtnConfigPath.Click += BtnConfigPath_Click;
             }
             catch
             {
@@ -94,23 +97,23 @@ public partial class MainWindow : Window
         //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
     }
 
-    private async void StartAddressRepair(Uri path)
+    // private async void StartAddressRepair(Uri path)
-    {
+    // {
-        var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
+    //     var addresses = DataImport.ImportKasAddressList(path); // Ihr Code hier
-        var progressWindow = new ProgressWindow();
+    //     var progressWindow = new ProgressWindow();
-
+    //
-        progressWindow.Show(_instance);
+    //     progressWindow.Show(_instance);
-
+    //
-        var processor = new AddressRepair(progressWindow);
+    //     var processor = new AddressRepair(progressWindow);
-        //var result = await processor.Perform(addresses.Item2, errors);
+    //     //var result = await processor.Perform(addresses.Item2, errors);
-
+    //
-
+    //
-        progressWindow.Close();
+    //     progressWindow.Close();
-
+    //
-
+    //
-        //new ResultWindow(result, addresses.Item2).Show();
+    //     //new ResultWindow(result, addresses.Item2).Show();
-        //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
+    //     //await MessageBox.Show(_instance, $"{result.Count} Einträge fehlerhaft.", "Fertig");
-    }
+    // }
 
     private void MnuExit_OnClick(object? sender, RoutedEventArgs e)
     {
@@ -228,6 +231,7 @@ public partial class MainWindow : Window
     {
         if (NavTree.SelectedItem is TreeViewItem t && t.Tag is WikiItem item && !item.IsFolder)
         {
+            _selectedWikiFilePath = item.Path;
             var text = await _wikiService.LoadFileContentAsync(item.Path);
             try
             {
@@ -244,9 +248,14 @@ public partial class MainWindow : Window
 
             EditButton.IsEnabled = true;
         }
+        else
+        {
+            _selectedWikiFilePath = null;
+            EditButton.IsEnabled = false;
+        }
     }
 
-    private void PopulateNavTree()
+    public void PopulateNavTree()
     {
         var roots = _wikiService.GetRootItems();
         var nodes = new List<TreeViewItem>();
@@ -302,6 +311,40 @@ public partial class MainWindow : Window
         PopulateNavTree();
     }
 
+    private async void BtnFontPath_Click(object? sender, RoutedEventArgs e)
+    {
+        var top = GetTopLevel(this);
+        var folder = await top.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+        {
+            Title = "Font Pfad wählen",
+            AllowMultiple = false
+        });
+
+        if (folder == null || folder.Count == 0) return;
+        var chosen = folder[0].Path;
+        TbFontPath.Text = chosen.ToString();
+        Global._instance.font_path = chosen.ToString();
+        Global.Save();
+    }
+
+    private async void BtnConfigPath_Click(object? sender, RoutedEventArgs e)
+    {
+        var top = GetTopLevel(this);
+        var folder = await top.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions
+        {
+            Title = "Config Pfad wählen",
+            AllowMultiple = false
+        });
+
+        if (folder == null || folder.Count == 0) return;
+        var chosen = folder[0].Path;
+        TbConfigPath.Text = chosen.ToString();
+        Global._instance.config_path = chosen.ToString();
+        Global.Save();
+
+        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";
@@ -410,7 +453,16 @@ public partial class MainWindow : Window
 
     private async void EditButton_Click(object? sender, RoutedEventArgs e)
     {
-        await MessageBox.Show(this, "Edit feature is currently disabled.", "Edit Disabled");
+        if (string.IsNullOrWhiteSpace(_selectedWikiFilePath))
+        {
+            await MessageBox.Show(this, "Bitte wählen Sie zunächst eine Wiki-Datei aus.", "Keine Datei ausgewählt");
+            return;
+        }
+
+        EditorWindow ew = new(_selectedWikiFilePath);
+        ew.Show();
+
+        //await MessageBox.Show(this, "Edit feature is currently disabled.", "Edit Disabled");
     }
 
     public void RefreshCustomerItems(int index = 0)
@@ -820,4 +872,46 @@ public partial class MainWindow : Window
                 new List<string> { countryie.ThreeLetterCode, countryie.TwoLetterCode }));
         RefreshCountryView();
     }
+
+    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");
+            }
+    }
+
+    private async void MnIAdSetRename_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (LstCustomerAdressSets.SelectedItems.Count > 0)
+            try
+            {
+                var result = await NamingWindow.Show(this);
+                if (result != null)
+                {
+                    var id = KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItems[0]
+                        .ToString());
+                    var cus_id = Customer.GetIDByCustomerListItem(LstCustomers.SelectedItems[0].ToString());
+                    foreach (var set in Settings._instance.addressSets.addresses)
+                        if (set.ID == id)
+                        {
+                            set.Name = result;
+                            Settings.Save();
+                            RefreshAddressSetListItems(cus_id);
+                            break;
+                        }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, ex.StackTrace, "Fehler");
+            }
+    }
 }

NamingWindow.axaml

@@ -0,0 +1,19 @@
+<Window xmlns="https://github.com/avaloniaui"
+        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"
+        x:Class="Logof_Client.NamingWindow"
+        Title="NamingWindow">
+    <StackPanel Orientation="Vertical">
+        <TextBlock Name="Text" Margin="10" TextWrapping="Wrap" />
+        <TextBox Name="Input" Margin="10" />
+        <StackPanel HorizontalAlignment="Right" Margin="5" Orientation="Horizontal" Name="Buttons">
+            <StackPanel.Styles>
+                <Style Selector="Button">
+                    <Setter Property="Margin" Value="5" />
+                </Style>
+            </StackPanel.Styles>
+        </StackPanel>
+    </StackPanel>
+</Window>

NamingWindow.axaml.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Threading.Tasks;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Logof_Client;
+
+public partial class NamingWindow : Window
+{
+    public NamingWindow()
+    {
+        AvaloniaXamlLoader.Load(this);
+
+        //InitializeComponent();
+    }
+
+    public static Task<string> Show(Window parent, string input = "", string info = "Bitte geben Sie einen Namen ein:")
+    {
+        try
+        {
+            var wind = new NamingWindow
+            {
+                Title = "Name eingeben"
+            };
+            wind.FindControl<TextBlock>("Text").Text = info;
+            var buttonPanel = wind.FindControl<StackPanel>("Buttons");
+            var inputBox = wind.FindControl<TextBox>("Input");
+
+            inputBox.Text = input;
+            string res = null;
+
+            void AddButton(string caption)
+            {
+                var btn = new Button { Content = caption };
+                btn.Click += (_, __) =>
+                {
+                    res = inputBox.Text;
+                    wind.Close();
+                };
+                buttonPanel.Children.Add(btn);
+            }
+
+            AddButton("Ok");
+
+
+            var tcs = new TaskCompletionSource<string>();
+            wind.Closed += delegate { tcs.TrySetResult(res); };
+            if (parent != null)
+                wind.ShowDialog(parent);
+            else wind.Show();
+
+            return tcs.Task;
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine("Error while showing naming window: " + ex.Message);
+            return null;
+        }
+    }
+}

README.md

@@ -0,0 +1,8 @@
+# Logofclient
+Free and open source software suite to manage customers, prices, employees, etc. 
+
+## Bugs
+Please report any bugs you find to fierke@mypapertown.de, thank you!
+
+## Contributing
+Feel free to contribute to this project using your MyPaperCloud-Account (request it via fierke@mypapertown.de) or a local git.mypapercloud.de-Account you are able to create.

Settings.cs

@@ -61,9 +61,18 @@ public class Global
         _instance = this;
     }
 
-    public string config_path { get; set; } = "";
+    public string config_path { get; set; } = Path.Combine(
-    public string wiki_storage_path { get; set; } = "";
+        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+        "logofclient",
+        "config.json");
+
+    public string wiki_storage_path { get; set; } = Path.Combine(
+        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),
+        "logofclient",
+        "wiki");
+
     public List<Country> countries { get; set; } = new();
+    public string font_path { get; set; } = Path.Combine(AppContext.BaseDirectory, "assets", "fonts");
 
     public static void Save()
     {

Tasks/PdfBuilder.cs

@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using PdfSharp;
 using PdfSharp.Drawing;
+using PdfSharp.Fonts;
 using PdfSharp.Pdf;
 
 namespace Logof_Client;
@@ -12,7 +14,7 @@ public class PdfBuilder
     // Table layout
     private const int CellsPerRow = 3;
     private const int CellsPerPage = 21; // 3 columns × 7 rows
-    private readonly XFont _boldFont = new("Arial", 9, XFontStyleEx.Bold);
+    private readonly XFont _boldFont;
     private readonly double _cellHeight = 42.43; // mm
     private readonly double _cellPaddingBottom = 5; // mm
 
@@ -32,8 +34,50 @@ public class PdfBuilder
     private readonly double _marginLeft = 0; // mm
     private readonly double _marginRight = 0; // mm
     private readonly double _marginTop = 0; // mm
-    private readonly XFont _regularFont = new("Arial", 9, XFontStyleEx.Regular);
+    private readonly XFont _regularFont;
-    private readonly XFont _smallFont = new("Arial", 6, XFontStyleEx.Regular);
+    private readonly XFont _smallFont;
+
+    public PdfBuilder()
+    {
+        EnsureFontResolverRegistered();
+
+        // Select first font from build output fonts folder (AppContext.BaseDirectory/fonts)
+        var chosenFamily = "Arial";
+        try
+        {
+            if (Directory.Exists(Global._instance.font_path))
+            {
+                var first = Directory.EnumerateFiles(Global._instance.font_path, "*.ttf").FirstOrDefault();
+                if (!string.IsNullOrEmpty(first))
+                    chosenFamily = StripStyleSuffix(Path.GetFileNameWithoutExtension(first)) ?? chosenFamily;
+            }
+        }
+        catch
+        {
+            chosenFamily = "Arial";
+        }
+
+        _boldFont = new XFont(chosenFamily, 9, XFontStyleEx.Bold);
+        _regularFont = new XFont(chosenFamily, 9, XFontStyleEx.Regular);
+        _smallFont = new XFont(chosenFamily, 6, XFontStyleEx.Regular);
+    }
+
+    private static void EnsureFontResolverRegistered()
+    {
+        if (GlobalFontSettings.FontResolver != null) return;
+        //var fontsDir = Path.Combine(AppContext.BaseDirectory, "fonts");
+        GlobalFontSettings.FontResolver = new StableFontResolver(Global._instance.font_path);
+    }
+
+    private static string StripStyleSuffix(string name)
+    {
+        if (string.IsNullOrEmpty(name)) return name;
+        var idx = name.IndexOf('-');
+        if (idx < 0) idx = name.IndexOf('_');
+        if (idx > 0)
+            return name.Substring(0, idx);
+        return name;
+    }
 
 
     /// <summary>

Tasks/StableFontResolver.cs

@@ -0,0 +1,136 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using PdfSharp.Fonts;
+using System.Globalization;
+
+namespace Logof_Client;
+
+public class StableFontResolver : IFontResolver
+{
+    // family -> style -> bytes
+    private readonly Dictionary<string, Dictionary<string, byte[]>> _families = new(StringComparer.OrdinalIgnoreCase);
+    private readonly List<string> _orderedFamilies = new();
+
+    public StableFontResolver(string fontsDirectory)
+    {
+        try
+        {
+            if (string.IsNullOrEmpty(fontsDirectory)) return;
+            if (!Directory.Exists(fontsDirectory)) return;
+
+            var files = Directory.EnumerateFiles(fontsDirectory, "*.ttf");
+            foreach (var f in files)
+            {
+                try
+                {
+                    var baseName = Path.GetFileNameWithoutExtension(f);
+                    if (string.IsNullOrEmpty(baseName)) continue;
+
+                    // Try to split family and style by hyphen or underscore
+                    var family = baseName;
+                    var style = "Regular";
+
+                    var idx = baseName.IndexOf('-');
+                    if (idx < 0) idx = baseName.IndexOf('_');
+                    if (idx > 0)
+                    {
+                        family = baseName.Substring(0, idx);
+                        style = baseName.Substring(idx + 1);
+                    }
+
+                    // Normalize common style names
+                    style = NormalizeStyle(style);
+
+                    var data = File.ReadAllBytes(f);
+                    if (data == null || data.Length == 0) continue;
+
+                    if (!_families.TryGetValue(family, out var dict))
+                    {
+                        dict = new Dictionary<string, byte[]>(StringComparer.OrdinalIgnoreCase);
+                        _families[family] = dict;
+                        _orderedFamilies.Add(family);
+                    }
+
+                    if (!dict.ContainsKey(style))
+                        dict[style] = data;
+                }
+                catch
+                {
+                    // ignore individual font load errors
+                }
+            }
+        }
+        catch
+        {
+            // ignore resolver init errors
+        }
+    }
+
+    private static string NormalizeStyle(string s)
+    {
+        if (string.IsNullOrEmpty(s)) return "Regular";
+        s = s.ToLowerInvariant();
+        if (s.Contains("bold") && s.Contains("italic")) return "BoldItalic";
+        if (s.Contains("bold")) return "Bold";
+        if (s.Contains("italic") || s.Contains("oblique")) return "Italic";
+        if (s.Contains("regular") || s == "r") return "Regular";
+        return CultureInfo.InvariantCulture.TextInfo.ToTitleCase(s);
+    }
+
+    public FontResolverInfo ResolveTypeface(string familyName, bool isBold, bool isItalic)
+    {
+        // If requested family exists, pick corresponding style if available
+        string familyToUse = null;
+        if (!string.IsNullOrEmpty(familyName) && _families.ContainsKey(familyName))
+            familyToUse = familyName;
+
+        if (familyToUse == null && _orderedFamilies.Count > 0)
+            familyToUse = _orderedFamilies[0];
+
+        if (familyToUse == null)
+            return new FontResolverInfo("Arial");
+
+        var style = "Regular";
+        if (isBold && isItalic) style = "BoldItalic";
+        else if (isBold) style = "Bold";
+        else if (isItalic) style = "Italic";
+
+        // Face name format: Family#Style
+        return new FontResolverInfo($"{familyToUse}#{style}");
+    }
+
+    public byte[] GetFont(string faceName)
+    {
+        if (string.IsNullOrEmpty(faceName)) return null;
+
+        // faceName expected as "Family#Style" or just "Family"
+        var family = faceName;
+        var style = "Regular";
+        var idx = faceName.IndexOf('#');
+        if (idx >= 0)
+        {
+            family = faceName.Substring(0, idx);
+            style = faceName.Substring(idx + 1);
+        }
+
+        style = NormalizeStyle(style);
+
+        if (_families.TryGetValue(family, out var dict))
+        {
+            // Try exact style
+            if (dict.TryGetValue(style, out var data)) return data;
+
+            // Fallback order
+            if (style != "Regular" && dict.TryGetValue("Regular", out data)) return data;
+            if (dict.TryGetValue("Bold", out data)) return data;
+            if (dict.TryGetValue("Italic", out data)) return data;
+
+            // Any available
+            foreach (var kv in dict) return kv.Value;
+        }
+
+        return null;
+    }
+}

Wiki/EditorWindow.axaml

@@ -1,8 +1,17 @@
 <Window xmlns="https://github.com/avaloniaui"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         x:Class="Logof_Client.Wiki.EditorWindow"
-        Title="Wiki Editor (disabled)" Width="400" Height="150">
+        Title="Wiki Editor" MinWidth="600" MinHeight="350" WindowState="Maximized">
     <Grid>
-        <TextBlock Margin="12" TextWrapping="Wrap">Coming soon.</TextBlock>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="50" />
+            <RowDefinition Height="*" />
+        </Grid.RowDefinitions>
+        <StackPanel Grid.Row="0" 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" />
     </Grid>
 </Window>

Wiki/EditorWindow.axaml.cs

@@ -1,17 +1,59 @@
 using System;
+using System.IO;
 using Avalonia.Controls;
+using Avalonia.Interactivity;
 
 namespace Logof_Client.Wiki;
 
 public partial class EditorWindow : Window
 {
-	private void InitializeComponent()
+    public string filename = "";
-	{
-		Avalonia.Markup.Xaml.AvaloniaXamlLoader.Load(this);
-	}
 
-	public EditorWindow()
+    public EditorWindow(string filename = "")
     {
         InitializeComponent();
+        this.filename = filename;
+        if (!string.IsNullOrWhiteSpace(filename) && File.Exists(filename))
+        {
+            var content = TbContent;
+            if (content != null) content.Text = File.ReadAllText(this.filename);
+            Title = "Wiki Editor - " + filename;
+        }
+        else if (!string.IsNullOrWhiteSpace(filename))
+        {
+            MessageBox.Show(null, "Die Datei existiert nicht", "Fehler");
+            Close();
+        }
+    }
+
+    private void BtnSave_OnClick(object? sender, RoutedEventArgs e)
+    {
+        try
+        {
+            File.WriteAllText(filename, TbContent.Text);
+            MainWindow._instance.PopulateNavTree();
+        }
+        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");
+        }
+    }
+
+    private void BtnSaveAs_OnClick(object? sender, RoutedEventArgs e)
+    {
+        MessageBox.Show(null,
+            "Feature noch nicht implemetiert.\nErstelle neue Dateien unter " + Global._instance.wiki_storage_path,
+            "Fehler");
+    }
+
+    private async void BtnDelete_OnClick(object? sender, RoutedEventArgs e)
+    {
+        var result = await MessageBox.Show(null, "Sicher?", "Sicher?", MessageBoxButton.YesNo);
+        if (result == MessageBoxResult.No) return;
+        File.Delete(filename);
+        MainWindow._instance.PopulateNavTree();
+        Close();
     }
 }

Wiki/MarkdownRenderer.cs

@@ -115,6 +115,9 @@ public static class MarkdownRenderer
                 case LinkInline li:
                     sb.Append(GetInlineText(li));
                     break;
+                case LineBreakInline:
+                    sb.Append("\n");
+                    break;
                 default:
                     sb.Append(inline.ToString());
                     break;