Add instancing for Extract Interface

Declaration's aren't correctly reflecting the exposed attribute. Need to
work out *why*, when PublicNotCreatable is chosen in the
IDE, it isn't reflected in Declaration.Attributes.ExposedAttributes.Values

Author: IvenBach

Rubberduck.Core/UI/Refactorings/ExtractInterface/ExtractInterfaceView.xaml

@@ -5,7 +5,6 @@
 using NLog;
 using Rubberduck.Parsing.Grammar;
 using Rubberduck.Parsing.Symbols;
-using Rubberduck.Parsing.VBA;
 using Rubberduck.Refactorings.ExtractInterface;
 using Rubberduck.UI.Command;
 
@@ -62,6 +61,21 @@ public bool IsValidInterfaceName
             }
         }
 
+        public bool IsInterfacePublicNotCreateable
+        {
+            get
+            {
+                try
+                {
+                    return Convert.ToBoolean(Model.TargetDeclaration.Attributes.ExposedAttribute.Values.First());
+                }
+                catch (FormatException)
+                {
+                    return false;
+                }
+            }
+        }
+
         private void ToggleSelection(bool value)
         {
             foreach (var item in Members)

Rubberduck.Core/UI/Refactorings/ExtractInterface/ExtractInterfaceViewModel.cs

@@ -140,6 +140,12 @@ private void AddInterfaceClass(Declaration implementingClass, string interfaceNa
         private void AddInterfaceMembersToClass(ExtractInterfaceModel model, IModuleRewriter rewriter)
         {
             _implementInterfaceRefactoring.Refactor(model.SelectedMembers.Select(m => m.Member).ToList(), rewriter, model.InterfaceName);
+
+            var classIsExposed = Convert.ToBoolean(model.TargetDeclaration.Attributes.ExposedAttribute.Values.First());
+            if (classIsExposed)
+            {
+                model.TargetDeclaration.Attributes.AddExposedClassAttribute();
+            }
         }
 
         private string GetInterfaceModuleBody(ExtractInterfaceModel model)

Rubberduck.Refactorings/ExtractInterface/ExtractInterfaceRefactoring.cs

@@ -26,7 +26,8 @@ protected InteractiveRefactoringBase(
 
         public override void Refactor(Declaration target)
         {
-            Refactor(InitializeModel(target));
+            var model = InitializeModel(target);
+            Refactor(model);
         }
 
         protected void Refactor(TModel initialModel)

Rubberduck.Refactorings/InteractiveRefactoringBase.cs

@@ -1754,4 +1754,13 @@ Import aborted.</value>
   <data name="ComponentType_VBForm" xml:space="preserve">
     <value>VB Form</value>
   </data>
+  <data name="ExtractInterface_InstancingGroupBox" xml:space="preserve">
+    <value>Instancing</value>
+  </data>
+  <data name="ExtractInterface_PrivateRadioButton" xml:space="preserve">
+    <value>Private</value>
+  </data>
+  <data name="ExtractInterface_PublicNotCreatableRadioButton" xml:space="preserve">
+    <value>Public Not Creatable</value>
+  </data>
 </root>

Rubberduck.Resources/RubberduckUI.Designer.cs

@@ -3,7 +3,6 @@
 using System.Runtime.InteropServices;
 using System.Windows.Forms;
 using Microsoft.CSharp.RuntimeBinder;
-using NLog;
 using Rubberduck.VBEditor.SafeComWrappers.Abstract;
 using MSO = Microsoft.Office.Core;