Portugues localisation

Languages.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Windows;
+using ModAssistant.Pages;
+
+namespace ModAssistant
+{
+    internal class Languages
+    {
+        public static string LoadedLanguage { get; private set; }
+        public static List<CultureInfo> LoadedLanguages => availableCultures.ToList();
+        public static bool FirstRun = true;
+        private static readonly string[] availableLanguageCodes = { "de", "en", "es", "fr", "it", "ko", "nb", "nl", "pl","pt", "ru", "sv", "th", "zh" };
+        private static IEnumerable<CultureInfo> availableCultures;
+
+        public static void LoadLanguages()
+        {
+            var allCultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
+
+            // Get CultureInfo for any of the available translations
+            availableCultures = allCultures.Where(cultureInfo => availableLanguageCodes.Any(code => code.Equals(cultureInfo.Name)));
+
+            string savedLanguageCode = Properties.Settings.Default.LanguageCode;
+            if (!LoadLanguage(savedLanguageCode))
+            {
+                // If no language code was saved, load system language
+                if (!LoadLanguage(CultureInfo.CurrentUICulture.Name))
+                {
+                    _ = LoadLanguage("en");
+                }
+            }
+
+            UpdateUI(LoadedLanguage);
+        }
+
+        public static void UpdateUI(string languageCode)
+        {
+            if (Options.Instance != null && Options.Instance.LanguageSelectComboBox != null)
+            {
+                Options.Instance.LanguageSelectComboBox.ItemsSource = availableCultures.Select(cultureInfo => cultureInfo.NativeName).ToList();
+                Options.Instance.LanguageSelectComboBox.SelectedIndex = LoadedLanguages.FindIndex(cultureInfo => cultureInfo.Name.Equals(languageCode));
+            }
+        }
+
+        public static ResourceDictionary LanguagesDict
+        {
+            get
+            {
+                return Application.Current.Resources.MergedDictionaries[1];
+            }
+        }
+
+        public static bool LoadLanguage(string languageCode)
+        {
+            if (string.IsNullOrEmpty(languageCode))
+            {
+                return false;
+            }
+
+            try
+            {
+                LanguagesDict.Source = new Uri($"Localisation/{languageCode}.xaml", UriKind.Relative);
+                LoadedLanguage = languageCode;
+                return true;
+            }
+            catch (IOException)
+            {
+                if (languageCode.Contains("-"))
+                {
+                    return LoadLanguage(languageCode.Split('-').First());
+                }
+
+                return false;
+            }
+        }
+    }
+}