Create localization helper classes

Wox.Core/Resource/LocalizationConverter.cs

@@ -0,0 +1,37 @@
+using System;
+using System.ComponentModel;
+using System.Globalization;
+using System.Reflection;
+using System.Windows.Data;
+
+namespace Wox.Core
+{
+    public class LocalizationConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (targetType == typeof(string) && value != null)
+            {
+                FieldInfo fi = value.GetType().GetField(value.ToString());
+                if (fi != null)
+                {
+                    string localizedDescription = string.Empty;
+                    var attributes = (DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
+                    if ((attributes.Length > 0) && (!String.IsNullOrEmpty(attributes[0].Description)))
+                    {
+                        localizedDescription = attributes[0].Description;
+                    }
+
+                    return (!String.IsNullOrEmpty(localizedDescription)) ? localizedDescription : value.ToString();
+                }
+            }
+            
+            return string.Empty;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

Wox.Core/Resource/LocalizedDescriptionAttribute.cs

@@ -0,0 +1,27 @@
+using System.ComponentModel;
+using Wox.Core.Resource;
+
+namespace Wox.Core
+{
+    public class LocalizedDescriptionAttribute : DescriptionAttribute
+    {
+        private readonly Internationalization _translator;
+        private readonly string _resourceKey;
+
+        public LocalizedDescriptionAttribute(string resourceKey)
+        {
+            _translator = InternationalizationManager.Instance;
+            _resourceKey = resourceKey;
+        }
+
+        public override string Description
+        {
+            get
+            {
+                string description = _translator.GetTranslation(_resourceKey);
+                return string.IsNullOrWhiteSpace(description) ? 
+                    string.Format("[[{0}]]", _resourceKey) : description;
+            }
+        }
+    }
+}

Wox.Core/Wox.Core.csproj

@@ -109,6 +109,8 @@
     </Compile>
     <Compile Include="Plugin\ExecutablePlugin.cs" />
     <Compile Include="Plugin\PluginsLoader.cs" />
+    <Compile Include="Resource\LocalizationConverter.cs" />
+    <Compile Include="Resource\LocalizedDescriptionAttribute.cs" />
     <Compile Include="Updater.cs" />
     <Compile Include="Resource\AvailableLanguages.cs" />
     <Compile Include="Resource\Internationalization.cs" />