1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System;
 6  using System.Collections.Generic;
 7  using System.Globalization;
 8  using System.Windows;
 9  using Microsoft.PowerToys.Settings.UI.Library;
10  using Microsoft.UI.Xaml.Data;
11  
12  namespace Microsoft.PowerToys.Settings.UI.Converters;
13  
14  public sealed partial class ImageResizerUnitToStringConverter : IValueConverter
15  {
16      // Maps each ResizeUnit value to its localized string.
17      private static readonly Dictionary<ResizeUnit, string> UnitToText = new()
18      {
19          { ResizeUnit.Centimeter, Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Centimeter") },
20          { ResizeUnit.Inch,       Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Inch") },
21          { ResizeUnit.Percent,    Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Percent") },
22          { ResizeUnit.Pixel,      Helpers.ResourceLoaderInstance.ResourceLoader.GetString("ImageResizer_Unit_Pixel") },
23      };
24  
25      public object Convert(object value, Type targetType, object parameter, string language)
26      {
27          if (value is ResizeUnit unit && UnitToText.TryGetValue(unit, out string unitText))
28          {
29              return parameter is string lowerParam && lowerParam == "ToLower" ?
30                  unitText.ToLower(CultureInfo.CurrentCulture) :
31                  unitText;
32          }
33  
34          return DependencyProperty.UnsetValue;
35      }
36  
37      public object ConvertBack(object value, Type targetType, object parameter, string language)
38      {
39          return value;
40      }
41  }