Save old config file with prompt

Author: Hosch250

RetailCoder.VBE/Settings/ConfigurationLoader.cs

@@ -3,6 +3,7 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Text;
 using System.Windows.Forms;
 using Rubberduck.Inspections;
 using Rubberduck.ToDoItems;
@@ -69,9 +70,21 @@ protected override Configuration HandleIOException(IOException ex)
 
         protected override Configuration HandleInvalidOperationException(InvalidOperationException ex)
         {
-            var message = string.Format(RubberduckUI.PromptLoadDefaultConfig, ex.Message, ex.InnerException.Message, ConfigFile);
+            var folder = Path.GetDirectoryName(ConfigFile);
+            var newFilePath = folder + "\\rubberduck.config." + DateTime.UtcNow.ToString().Replace('/', '.').Replace(':', '.') + ".bak";
+
+            var message = string.Format(RubberduckUI.PromptLoadDefaultConfig, ex.Message, ex.InnerException.Message, ConfigFile, newFilePath);
             MessageBox.Show(message, RubberduckUI.LoadConfigError, MessageBoxButtons.OK, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1, MessageBoxOptions.ServiceNotification);
 
+            using (var fs = File.Create(@newFilePath))
+            {
+                using (var reader = new StreamReader(folder + "\\rubberduck.config"))
+                using (var writer = new StreamWriter(fs, Encoding.UTF8))
+                {
+                    writer.Write(reader.ReadToEnd());
+                }
+            }
+
             var config = GetDefaultConfiguration();
             SaveConfiguration(config);
             return config;

RetailCoder.VBE/UI/RubberduckUI.Designer.cs

@@ -429,13 +429,13 @@
     <value>Analyse des componsantes du projet...</value>
   </data>
   <data name="PromptLoadDefaultConfig" xml:space="preserve">
-    <value>{0}
+    <value>z {0}
 {1}
 
 {2}
 
 Restaurer les configurations par défaut?
-Attention: les valeurs personnalisées seront perdues.</value>
+Attention: les valeurs personnalisées seront perdues.    Your old file will be saved in '{3}'</value>
   </data>
   <data name="ResolutionProgress" xml:space="preserve">
     <value>Résolution de '{0}'...</value>

RetailCoder.VBE/UI/RubberduckUI.fr.resx

@@ -431,7 +431,7 @@
 {2}
 
 Would you like to restore default configuration?
-Warning: All customized settings will be lost.</value>
+Warning: All customized settings will be lost.  Your old file will be saved in '{3}'</value>
   </data>
   <data name="ResolutionProgress" xml:space="preserve">
     <value>Resolving '{0}'...</value>

RetailCoder.VBE/UI/RubberduckUI.resx

@@ -434,13 +434,13 @@
     <value>Tolkar projektkomponenter...</value>
   </data>
   <data name="PromptLoadDefaultConfig" xml:space="preserve">
-    <value>{0}
+    <value>z {0}
 {1}
 
 {2}
 
 Vill du återställa standardinställningarna?
-Varning: Alla anpassade inställningar kommer att försvinna.</value>
+Varning: Alla anpassade inställningar kommer att försvinna.    Your old file will be saved in '{3}'</value>
   </data>
   <data name="ResolutionProgress" xml:space="preserve">
     <value>Löser '{0}'...</value>
@@ -1099,4 +1099,4 @@ Varning: Alla anpassade inställningar kommer att försvinna.</value>
   <data name="TodoSettings_Text" xml:space="preserve">
     <value>Text</value>
   </data>
-</root>
+</root>