From 541135e063117ffbe694a017ad7ed720d2e8552f Mon Sep 17 00:00:00 2001
From: mathias <mathias@gnm.dev>
Date: Sat, 14 Feb 2026 15:07:20 +0100
Subject: [PATCH] add export

---
 MaxSlurper/MainWindow.xaml             |  8 ++++
 MaxSlurper/ViewModels/MainViewModel.cs | 54 ++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)

diff --git a/MaxSlurper/MainWindow.xaml b/MaxSlurper/MainWindow.xaml
index a2d0f5a..937032f 100644
--- a/MaxSlurper/MainWindow.xaml
+++ b/MaxSlurper/MainWindow.xaml
@@ -120,6 +120,14 @@ Padding="16,8"
            Command="{Binding ClearHistoryCommand}"
            Padding="8,4"
            VerticalAlignment="Center" />
+        <ui:Button DockPanel.Dock="Right"
+           Content="Exportieren"
+           Appearance="Secondary"
+           Icon="{ui:SymbolIcon ArrowExportUp24}"
+           Command="{Binding ExportHistoryCommand}"
+           Padding="8,4"
+           Margin="0,0,8,0"
+           VerticalAlignment="Center" />
         <StackPanel>
             <TextBlock Text="Farbverlauf"
                 Style="{StaticResource HeaderText}" />
diff --git a/MaxSlurper/ViewModels/MainViewModel.cs b/MaxSlurper/ViewModels/MainViewModel.cs
index d49f33b..c98826d 100644
--- a/MaxSlurper/ViewModels/MainViewModel.cs
+++ b/MaxSlurper/ViewModels/MainViewModel.cs
@@ -1,6 +1,7 @@
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
+using System.Text;
 using System.Windows.Input;
 using System.Windows.Media;
 using MaxSlurper.Models;
@@ -42,6 +43,7 @@ namespace MaxSlurper.ViewModels
  public ICommand CopyHexCommand { get; }
  public ICommand OpenColorPickerCommand { get; }
  public ICommand OpenSettingsCommand { get; }
+ public ICommand ExportHistoryCommand { get; }
 
  public MainViewModel(IColorPickerService colorPicker, IAudioPlayer audioPlayer, ISettingsService settingsService)
  {
@@ -57,6 +59,7 @@ namespace MaxSlurper.ViewModels
  CopyHexCommand = new RelayCommand(CopyHex, _ => Selected != null || _ is ColorItem);
  OpenColorPickerCommand = new RelayCommand(_ => OpenColorPicker());
  OpenSettingsCommand = new RelayCommand(_ => OpenSettings());
+ ExportHistoryCommand = new RelayCommand(_ => ExportHistory(), _ => History.Count > 0);
 
  // Restore persisted history
  foreach (var item in _settingsService.LoadHistory())
@@ -90,6 +93,7 @@ namespace MaxSlurper.ViewModels
  System.Windows.Clipboard.SetText(item.Hex);
  _settingsService.SaveHistory(History);
  ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
 
  private void OpenColorPicker()
@@ -117,6 +121,7 @@ namespace MaxSlurper.ViewModels
  System.Windows.Clipboard.SetText(item.Hex);
  _settingsService.SaveHistory(History);
  ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
  }
 
@@ -135,6 +140,7 @@ namespace MaxSlurper.ViewModels
  Selected = null;
  _settingsService.SaveHistory(History);
  ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
 
  private void RemoveColor(object? parameter)
@@ -149,6 +155,7 @@ namespace MaxSlurper.ViewModels
 
  _settingsService.SaveHistory(History);
  ((RelayCommand)ClearHistoryCommand).RaiseCanExecuteChanged();
+ ((RelayCommand)ExportHistoryCommand).RaiseCanExecuteChanged();
  }
 
  private void CopyHex(object? parameter)
@@ -164,6 +171,53 @@ namespace MaxSlurper.ViewModels
     // Show a notification (optional - can add UI feedback)
  }
 
+ private void ExportHistory()
+ {
+ var dialog = new Microsoft.Win32.SaveFileDialog
+ {
+ Title = "Farbpalette exportieren",
+ Filter = "CSS-Datei (*.css)|*.css|JSON-Datei (*.json)|*.json|Textdatei (*.txt)|*.txt",
+ DefaultExt = ".css",
+ FileName = "palette"
+ };
+
+ if (dialog.ShowDialog() != true) return;
+
+ var sb = new StringBuilder();
+ var ext = System.IO.Path.GetExtension(dialog.FileName).ToLowerInvariant();
+
+ switch (ext)
+ {
+ case ".css":
+ sb.AppendLine(":root {");
+ for (int i = 0; i < History.Count; i++)
+ {
+ var c = History[i];
+ sb.AppendLine($" --color-{i + 1}: {c.Hex};");
+ }
+ sb.AppendLine("}");
+ break;
+
+ case ".json":
+ sb.AppendLine("[");
+ for (int i = 0; i < History.Count; i++)
+ {
+ var c = History[i];
+ var comma = i < History.Count - 1 ? "," : "";
+ sb.AppendLine($" {{ \"hex\": \"{c.Hex}\", \"rgb\": \"{c.Rgb}\" }}{comma}");
+ }
+ sb.AppendLine("]");
+ break;
+
+ default: // .txt
+ foreach (var c in History)
+ sb.AppendLine(c.Hex);
+ break;
+ }
+
+ System.IO.File.WriteAllText(dialog.FileName, sb.ToString());
+ }
+
  private void UpdateSelected()
  {
  if (Selected == null)