Refactoring. Move system plugins to seperate DLLs.

Wox.Core/i18n/AvailableLanguages.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Wox.Core.i18n
+{
+    internal static class AvailableLanguages
+    {
+        public static Language English = new Language("en", "English");
+        public static Language Chinese = new Language("zh-cn", "中文");
+        public static Language Chinese_TW = new Language("zh-tw", "中文（繁体）");
+
+        public static List<Language> GetAvailableLanguages()
+        {
+            List<Language> languages = new List<Language>
+            {
+                English, 
+                Chinese, 
+                Chinese_TW
+            };
+            return languages;
+        }
+    }
+}

Wox.Core/i18n/IInternationalization.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Wox.Core.i18n
+{
+    interface IInternationalization
+    {
+        List<Language> LoadAvailableLanguages();
+
+        string GetTranslation(string key);
+
+        void ChangeLanguage(Language language);
+
+        void ChangeLanguage(string languageCode);
+    }
+}

Wox.Core/i18n/Internationalization.cs

@@ -0,0 +1,130 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Windows;
+using Wox.Core.Exception;
+using Wox.Core.UI;
+using Wox.Infrastructure.Logger;
+using Wox.Infrastructure.Storage.UserSettings;
+
+namespace Wox.Core.i18n
+{
+    public class Internationalization : IInternationalization, IUIResource
+    {
+        private static List<string> languageDirectories = new List<string>();
+
+        static Internationalization()
+        {
+            languageDirectories.Add(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Languages"));
+            MakesureThemeDirectoriesExist();
+        }
+
+        private static void MakesureThemeDirectoriesExist()
+        {
+            foreach (string pluginDirectory in languageDirectories)
+            {
+                if (!Directory.Exists(pluginDirectory))
+                {
+                    try
+                    {
+                        Directory.CreateDirectory(pluginDirectory);
+                    }
+                    catch (System.Exception e)
+                    {
+                        Log.Error(e.Message);
+                    }
+                }
+            }
+        }
+
+        public void ChangeLanguage(string languageCode)
+        {
+            Language language = GetLanguageByLanguageCode(languageCode);
+            ChangeLanguage(language);
+        }
+
+        private Language GetLanguageByLanguageCode(string languageCode)
+        {
+            Language language = AvailableLanguages.GetAvailableLanguages().FirstOrDefault(o => o.LanguageCode.ToLower() == languageCode.ToLower());
+            if (language == null)
+            {
+                throw new WoxI18nException("Invalid language code:" + languageCode);
+            }
+
+            return language;
+        }
+
+        public void ChangeLanguage(Language language)
+        {
+            if(language == null) throw new WoxI18nException("language can't be null");
+
+            string path = GetLanguagePath(language);
+            if (string.IsNullOrEmpty(path))
+            {
+                path = GetLanguagePath(AvailableLanguages.English);
+                if (string.IsNullOrEmpty(path))
+                {
+                    throw new System.Exception("Change Language failed");
+                }
+            }
+
+            UserSettingStorage.Instance.Language = language.LanguageCode;
+            UserSettingStorage.Instance.Save();
+            ResourceMerger.ApplyResources();
+        }
+
+        public ResourceDictionary GetResourceDictionary()
+        {
+            return new ResourceDictionary
+            {
+                Source = new Uri(GetLanguagePath(UserSettingStorage.Instance.Language), UriKind.Absolute)
+            };
+        }
+
+        public List<Language> LoadAvailableLanguages()
+        {
+            return AvailableLanguages.GetAvailableLanguages();
+        }
+
+        public string GetTranslation(string key)
+        {
+            try
+            {
+                object translation = Application.Current.FindResource(key);
+                if (translation == null)
+                {
+                    return "NoTranslation";
+                }
+                return translation.ToString();
+            }
+            catch
+            {
+                return "NoTranslation";
+            }
+
+        }
+
+        private string GetLanguagePath(string languageCode)
+        {
+            Language language = GetLanguageByLanguageCode(languageCode);
+            return GetLanguagePath(language);
+        }
+
+        private string GetLanguagePath(Language language)
+        {
+            foreach (string directory in languageDirectories)
+            {
+                string path = Path.Combine(directory, language.LanguageCode + ".xaml");
+                if (File.Exists(path))
+                {
+                    return path;
+                }
+            }
+
+            return string.Empty;
+        }
+    }
+}

Wox.Core/i18n/InternationalizationManager.cs

@@ -10,15 +10,12 @@ using Wox.Infrastructure.Storage.UserSettings;
 
 namespace Wox.Core.i18n
 {
-    public class InternationalizationManager : IUIResource
+    public static class InternationalizationManager
     {
-        private static List<string> languageDirectories = new List<string>();
-        private static InternationalizationManager instance;
+        private static Internationalization instance;
         private static object syncObject = new object();
 
-        private InternationalizationManager() { }
-
-        public static InternationalizationManager Instance
+        public static Internationalization Internationalization
         {
             get
             {
@@ -28,114 +25,12 @@ namespace Wox.Core.i18n
                     {
                         if (instance == null)
                         {
-                            instance = new InternationalizationManager();
+                            instance = new Internationalization();
                         }
                     }
                 }
                 return instance;
             }
         }
-
-        static InternationalizationManager()
-        {
-            languageDirectories.Add(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Languages"));
-
-            string userProfilePath = Environment.GetEnvironmentVariable("USERPROFILE");
-            if (userProfilePath != null)
-            {
-                languageDirectories.Add(Path.Combine(Path.Combine(userProfilePath, ".Wox"), "Languages"));
-            }
-
-            MakesureThemeDirectoriesExist();
-        }
-
-        private static void MakesureThemeDirectoriesExist()
-        {
-            foreach (string pluginDirectory in languageDirectories)
-            {
-                if (!Directory.Exists(pluginDirectory))
-                {
-                    try
-                    {
-                        Directory.CreateDirectory(pluginDirectory);
-                    }
-                    catch (System.Exception e)
-                    {
-                        Log.Error(e.Message);
-                    }
-                }
-            }
-        }
-
-        public void ChangeLanguage(string name)
-        {
-            string path = GetLanguagePath(name);
-            if (string.IsNullOrEmpty(path))
-            {
-                path = GetLanguagePath("English");
-                if (string.IsNullOrEmpty(path))
-                {
-                    throw new System.Exception("Change Language failed");
-                }
-            }
-
-            UserSettingStorage.Instance.Language = name;
-            UserSettingStorage.Instance.Save();
-            ResourceMerger.ApplyResources();
-        }
-
-        public ResourceDictionary GetResourceDictionary()
-        {
-            return new ResourceDictionary
-            {
-                Source = new Uri(GetLanguagePath(UserSettingStorage.Instance.Language), UriKind.Absolute)
-            };
-        }
-
-        public List<string> LoadAvailableLanguages()
-        {
-            List<string> themes = new List<string>();
-            foreach (var directory in languageDirectories)
-            {
-                themes.AddRange(
-                    Directory.GetFiles(directory)
-                        .Where(filePath => filePath.EndsWith(".xaml"))
-                        .Select(Path.GetFileNameWithoutExtension)
-                        .ToList());
-            }
-            return themes;
-        }
-
-        public string GetTranslation(string key)
-        {
-            try
-            {
-                object translation = Application.Current.FindResource(key);
-                if (translation == null)
-                {
-                    return "NoTranslation";
-                }
-                return translation.ToString();
-            }
-            catch
-            {
-                return "NoTranslation";
-            }
-
-        }
-
-        private string GetLanguagePath(string name)
-        {
-            foreach (string directory in languageDirectories)
-            {
-                string path = Path.Combine(directory, name + ".xaml");
-                if (File.Exists(path))
-                {
-                    return path;
-                }
-            }
-
-            return string.Empty;
-        }
     }
 }

Wox.Core/i18n/Language.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Wox.Core.i18n
+{
+    public class Language
+    {
+        public Language(string code, string display)
+        {
+            LanguageCode = code;
+            Display = display;
+        }
+
+        /// <summary>
+        /// E.g. En or Zh-CN
+        /// </summary>
+        public string LanguageCode { get; set; }
+
+        public string Display { get; set; }
+    }
+}