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d0c426a7f9
1. part of #468 2. fix #1245, bug introduced in 7e1c77beddf2c978fa1440e799fec4eb9554739d
183 lines
6.1 KiB
C#
183 lines
6.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Windows;
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using JetBrains.Annotations;
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using Wox.Core.Plugin;
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using Wox.Infrastructure;
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using Wox.Infrastructure.Exception;
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using Wox.Infrastructure.Logger;
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using Wox.Infrastructure.UserSettings;
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using Wox.Plugin;
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namespace Wox.Core.Resource
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{
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public class Internationalization
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{
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public Settings Settings { get; set; }
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private const string DirectoryName = "Languages";
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private string DirectoryPath => Path.Combine(Constant.ProgramDirectory, DirectoryName);
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private readonly List<string> _languageDirectories = new List<string>();
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private readonly List<ResourceDictionary> _oldResources = new List<ResourceDictionary>();
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public Internationalization()
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{
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var woxThemeDirectory = Path.Combine(Constant.ProgramDirectory, DirectoryName);
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_languageDirectories.Add(woxThemeDirectory);
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foreach (var plugin in PluginManager.GetPluginsForInterface<IPluginI18n>())
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{
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var location = Assembly.GetAssembly(plugin.Plugin.GetType()).Location;
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var dir = Path.GetDirectoryName(location);
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if (dir != null)
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{
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var pluginThemeDirectory = Path.Combine(dir, DirectoryName);
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_languageDirectories.Add(pluginThemeDirectory);
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}
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else
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{
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Log.Error($"|ResourceMerger.UpdatePluginLanguages|Can't find plugin path <{location}> for <{plugin.Metadata.Name}>");
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}
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}
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MakesureDirectoriesExist();
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}
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private void MakesureDirectoriesExist()
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{
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if (!Directory.Exists(DirectoryPath))
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{
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try
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{
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Directory.CreateDirectory(DirectoryPath);
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}
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catch (Exception e)
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{
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Log.Exception($"|Internationalization.MakesureDirectoriesExist|Exception when create directory <{DirectoryPath}>", e);
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}
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}
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}
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public void ChangeLanguage(string languageCode)
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{
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languageCode = languageCode.NonNull();
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Language language = GetLanguageByLanguageCode(languageCode);
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ChangeLanguage(language);
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}
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private Language GetLanguageByLanguageCode(string languageCode)
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{
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var lowercase = languageCode.ToLower();
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var language = AvailableLanguages.GetAvailableLanguages().FirstOrDefault(o => o.LanguageCode.ToLower() == lowercase);
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if (language == null)
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{
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Log.Error($"|Internationalization.GetLanguageByLanguageCode|Language code can't be found <{languageCode}>");
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return AvailableLanguages.English;
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}
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else
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{
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return language;
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}
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}
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public void ChangeLanguage(Language language)
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{
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language = language.NonNull();
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var files = _languageDirectories.Select(LanguageFile).Where(f => !string.IsNullOrEmpty(f)).ToArray();
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if (files.Length > 0)
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{
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Settings.Language = language.LanguageCode;
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var dicts = Application.Current.Resources.MergedDictionaries;
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foreach (var r in _oldResources)
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{
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dicts.Remove(r);
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}
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foreach (var f in files)
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{
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var r = new ResourceDictionary
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{
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Source = new Uri(f, UriKind.Absolute)
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};
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dicts.Add(r);
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_oldResources.Add(r);
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}
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}
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foreach (var plugin in PluginManager.GetPluginsForInterface<IPluginI18n>())
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{
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UpdatePluginMetadataTranslations(plugin);
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}
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}
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public List<Language> LoadAvailableLanguages()
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{
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return AvailableLanguages.GetAvailableLanguages();
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}
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public string GetTranslation(string key)
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{
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var translation = Application.Current.TryFindResource(key);
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if (translation is string)
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{
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return translation.ToString();
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}
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else
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{
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return "NoTranslation";
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}
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}
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private void UpdatePluginMetadataTranslations(PluginPair pluginPair)
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{
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var pluginI18n = pluginPair.Plugin as IPluginI18n;
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if (pluginI18n == null) return;
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try
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{
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pluginPair.Metadata.Name = pluginI18n.GetTranslatedPluginTitle();
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pluginPair.Metadata.Description = pluginI18n.GetTranslatedPluginDescription();
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}
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catch (Exception e)
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{
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Log.Exception($"|Internationalization.UpdatePluginMetadataTranslations|Update Plugin metadata translation failed for <{pluginPair.Metadata.Name}>", e);
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}
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}
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public string LanguageFile(string folder)
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{
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if (Directory.Exists(folder))
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{
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string path = Path.Combine(folder, Settings.Language + ".xaml");
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if (File.Exists(path))
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{
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return path;
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}
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else
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{
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Log.Error($"|Internationalization.LanguageFile|Language path can't be found <{path}>");
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string english = Path.Combine(folder, "en.xaml");
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if (File.Exists(english))
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{
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return english;
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}
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else
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{
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Log.Error($"|Internationalization.LanguageFile|Default English Language path can't be found <{path}>");
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return string.Empty;
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}
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}
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}
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else
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{
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return string.Empty;
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}
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}
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}
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}
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