Language setting additional logic wrapped in API method.

Now changing current culture, setting message boxes reading direction, and saving language to database is done through one method only.

GestionClient/GestionClient/API/Core/Language.cs

@@ -6,8 +6,10 @@ namespace GestionClient
 {
     static class Language
     {
-        public static ResourceManager LanguagesResourceManager = new ResourceManager("GestionClient.Languages.Res", typeof(Form_Main).Assembly);
-        public static CultureInfo CurrentCulture = CultureInfo.CreateSpecificCulture("fr");
+        private const string _languageResourceFileName = "GestionClient.Languages.Res";
+        private static ResourceManager _languagesResourceManager = new ResourceManager(_languageResourceFileName, typeof(Form_Main).Assembly);
+        private static CultureInfo _currentCulture = CultureInfo.CreateSpecificCulture("fr");
+
         public static MessageBoxOptions CurrentMessageBoxOptions = new MessageBoxOptions();
 
         public static bool IsArabic
@@ -18,6 +20,29 @@ public static bool IsArabic
             }
         }
 
+        #region Private-Methods
+        /// <summary>
+        /// Set values indicating whether the text is displayed right to left.
+        /// </summary>
+        private static void SetMessageBoxesReadingDirection()
+        {
+            if (_currentCulture.TextInfo.IsRightToLeft)
+            {
+                Language.CurrentMessageBoxOptions = MessageBoxOptions.RightAlign
+                    | MessageBoxOptions.RtlReading;
+                MessageBoxManager.Yes = Language.GetString("MessageBox_YES");
+                MessageBoxManager.No = Language.GetString("MessageBox_NO");
+                MessageBoxManager.Register();
+
+            }
+            else
+            {
+                Language.CurrentMessageBoxOptions = new MessageBoxOptions();
+                MessageBoxManager.Unregister();
+            }
+        }
+        #endregion
+
         /// <summary>
         /// Retourne la langue actuelle.
         /// </summary>
@@ -29,11 +54,13 @@ public static string GetCurrentLanguage()
         }
 
         /// <summary>
-        /// Enregistre la langue actuelle dans la base de données.
+        /// Change et enregistre la langue actuelle dans la base de données.
         /// </summary>
         /// <param name="language"></param>
         public static void SetCurrentLanguage(string language)
         {
+            _currentCulture = CultureInfo.CreateSpecificCulture(language);
+            SetMessageBoxesReadingDirection();
             Database.MainDataSet.Tables["Langue"].Rows[0]["abrv"] = language;
             Database.ApplyChanges(Database.LangueDataAdapter, "Langue");
         }
@@ -48,7 +75,7 @@ public static void SetCurrentLanguage(string language)
         /// </returns>
         public static string GetString(string name)
         {
-            return LanguagesResourceManager.GetString(name, CurrentCulture);
+            return _languagesResourceManager.GetString(name, _currentCulture);
         }
     }
 }

GestionClient/GestionClient/GUI/Form_Main.cs

@@ -221,23 +221,13 @@ private void menuItem_french_Click(object sender, EventArgs e)
         {
             try
             {
-                if (menuItem_french.Checked == false)
+                if (!menuItem_french.Checked)
                 {
                     menuItem_french.Checked = true;
                     menuItem_arabic.Checked = false;
-                    // changement de la langue au français
-                    Language.CurrentCulture = CultureInfo.CreateSpecificCulture("fr");
-                    // enregistrement de la langue actuelle
                     Language.SetCurrentLanguage("fr");
-                    // messagesBox => état normal
-                    Language.CurrentMessageBoxOptions = new MessageBoxOptions();
-                    // QuickMessageBox buttons text => état normal
-                    MessageBoxManager.Unregister();
-                    // main form => état normal
                     this.RightToLeft = RightToLeft.No;
-                    // modification du texte des controls
                     SwitchLanguage();
-                    // on informe les fenêtres enfants
                     this.OnLanguageChanged(sender, e);
                 }
             }
@@ -251,25 +241,13 @@ private void menuItem_arabic_Click(object sender, EventArgs e)
         {
             try
             {
-                if (menuItem_arabic.Checked == false)
+                if (!menuItem_arabic.Checked)
                 {
                     menuItem_french.Checked = false;
                     menuItem_arabic.Checked = true;
-                    // changement de la langue à l'arabe
-                    Language.CurrentCulture = CultureInfo.CreateSpecificCulture("ar");
-                    // enregistrement de la langue actuelle
                     Language.SetCurrentLanguage("ar");
-                    // messagesBox => RightToLeft
-                    Language.CurrentMessageBoxOptions = MessageBoxOptions.RightAlign | MessageBoxOptions.RtlReading;
-                    // messagesBox buttons text
-                    MessageBoxManager.Yes = Language.GetString("MessageBox_YES");
-                    MessageBoxManager.No = Language.GetString("MessageBox_NO");
-                    MessageBoxManager.Register();
-                    // main form => RightToLeft
                     this.RightToLeft = RightToLeft.Yes;
-                    // modification du texte des controls
                     SwitchLanguage();
-                    // on informe les fenêtres enfants
                     this.OnLanguageChanged(sender, e);
                 }
             }

GestionClient/GestionClient/bin/Debug/GestionClient.vshost.exe.manifest

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
+  <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
+    <security>
+      <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">
+        <requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+      </requestedPrivileges>
+    </security>
+  </trustInfo>
+</assembly>