feature<Preference>: auto restart application when general setting changed

src/App.xaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using System.IO;
 using System.Net;
 using System.Reflection;
@@ -13,6 +14,7 @@ namespace SourceGit {
     ///     程序入口.
     /// </summary>
     public partial class App : Application {
+        private static bool restart = false;
 
         /// <summary>
         ///     读取本地化字串
@@ -26,6 +28,15 @@ namespace SourceGit {
             return string.Format(data, args);
         }
 
+        /// <summary>
+        ///     重启程序
+        /// </summary>
+        public static void Restart() {
+            restart = true;
+            Process.Start(Process.GetCurrentProcess().MainModule.FileName);
+            Current.Shutdown();
+        }
+
         /// <summary>
         ///     启动.
         /// </summary>
@@ -109,7 +120,7 @@ namespace SourceGit {
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void OnAppDeactivated(object sender, EventArgs e) {
-            Models.Preference.Save();
+            if (!restart) Models.Preference.Save();
         }
     }
 }

src/Views/Preference.xaml.cs

@@ -15,6 +15,12 @@ namespace SourceGit.Views {
         public string CRLF { get; set; }
         public string MergeCmd { get; set; }
 
+        private string locale;
+        private string avatarServer;
+        private bool useDarkTheme;
+        private bool checkUpdate;
+        private bool autoFetch;
+
         public Preference() {
             if (Models.Preference.Instance.IsReady) {
                 User = new Commands.Config().Get("user.name");
@@ -30,6 +36,12 @@ namespace SourceGit.Views {
             var merger = Models.MergeTool.Supported.Find(x => x.Type == Models.Preference.Instance.MergeTool.Type);
             if (merger != null) MergeCmd = merger.Cmd;
 
+            locale = Models.Preference.Instance.General.Locale;
+            avatarServer = Models.Preference.Instance.General.AvatarServer;
+            useDarkTheme = Models.Preference.Instance.General.UseDarkTheme;
+            checkUpdate = Models.Preference.Instance.General.CheckForUpdate;
+            autoFetch = Models.Preference.Instance.General.AutoFetchRemotes;
+
             InitializeComponent();
         }
 
@@ -102,7 +114,17 @@ namespace SourceGit.Views {
             }
 
             Models.Preference.Save();
-            Close();
+
+            var general = Models.Preference.Instance.General;
+            if (locale != general.Locale ||
+                avatarServer != general.AvatarServer ||
+                useDarkTheme != general.UseDarkTheme ||
+                checkUpdate != general.CheckForUpdate ||
+                autoFetch != general.AutoFetchRemotes) {
+                App.Restart();
+            } else {
+                Close();
+            }
         }
         #endregion
     }