Fixed modelstate persistence on import screen in case of validation errors.

src/Orchard.Web/Modules/Orchard.ImportExport/Providers/ImportActions/UploadRecipeAction.cs

@@ -86,6 +86,17 @@ namespace Orchard.ImportExport.Providers.ImportActions {
                         }
                     }
 
+                    var stepUpdater = new Updater(updater, secondHalf => String.Format("{0}.{1}", Prefix, secondHalf));
+
+                    // Update the view model with non-submitted values.
+                    viewModel.SuperUserName = _orchardServices.WorkContext.CurrentSite.SuperUser;
+                    foreach (var stepViewModel in viewModel.RecipeExecutionSteps) {
+                        var step = _recipeExecutionSteps.Single(x => x.Name == stepViewModel.Name);
+                        stepViewModel.DisplayName = step.DisplayName;
+                        stepViewModel.Description = step.Description;
+                        stepViewModel.Editor = step.UpdateEditor(shapeFactory, stepUpdater);
+                    }
+
                     if (!isInValid) {
                         // Read recipe file.
                         RecipeDocument = XDocument.Parse(new StreamReader(file.InputStream).ReadToEnd());
@@ -100,13 +111,12 @@ namespace Orchard.ImportExport.Providers.ImportActions {
                             where provider != null
                             select provider;
                         var executionSteps = executionStepsQuery.ToArray();
-                        var stepUpdater = new Updater(updater, secondHalf => String.Format("{0}.{1}", Prefix, secondHalf));
                         foreach (var executionStep in executionSteps) {
                             var context = new UpdateRecipeExecutionStepContext {
                                 RecipeDocument = RecipeDocument,
                                 Step = orchardElement.Element(executionStep.Name)
                             };
-                            executionStep.UpdateEditor(shapeFactory, stepUpdater, context);
+                            executionStep.UpdateStep(context);
                         }
                     }
                 }

src/Orchard.Web/Modules/Orchard.ImportExport/Views/EditorTemplates/ImportActions/UploadRecipe.cshtml

@@ -11,12 +11,13 @@
     <input type="file" id="RecipeFile" size="64" name="RecipeFile" value="@T("Browse...")"/>
 </fieldset>
 <fieldset>
-    <div>
+    <legend>
         @Html.CheckBoxFor(m => m.ResetSite)
         @Html.LabelFor(m => m.ResetSite, T("Reset Site").ToString(), new {@class = "forcheckbox"})
+    </legend>
     @Html.Hint(T("Check this option to reset your site before executing the uploaded recipe."))
-    </div>
     <div data-controllerid="@Html.FieldIdFor(m => m.ResetSite)">
+        <div class="message message-Warning">@T("This will delete your database tables. Please consider creating a backup first.")</div>
         <div>
             @Html.LabelFor(m => m.SuperUserPassword, T("Super User Password"))
             @Html.PasswordFor(m => m.SuperUserPassword, new {@class = "text medium"})
@@ -27,19 +28,19 @@
             @Html.PasswordFor(m => m.SuperUserPasswordConfirmation, new {@class = "text medium"})
             @Html.Hint(T("Repeat the password to make sure you didn't mistype anything."))
         </div>
-        <div class="message message-Warning">@T("This will delete your database tables. Please consider creating a backup first.")</div>
     </div>
 </fieldset>
 @{
     var stepIndex = 0;
     foreach (var step in Model.RecipeExecutionSteps) {
-        var stepName = Html.NameFor(m => m.RecipeExecutionSteps[stepIndex].IsSelected).ToString();
-        var stepId = stepName.HtmlClassify();
-
+        var stepId = Html.FieldIdFor(m => m.RecipeExecutionSteps[stepIndex].IsSelected);
+        if (stepIndex <= Model.RecipeExecutionSteps.Count) {
+            <hr />
+        }
         <fieldset class="recipe-builder-step recipe-builder-step-@step.Name.HtmlClassify()">
             <legend>
-                <input type="hidden" name="@Html.NameFor(m => m.RecipeExecutionSteps[stepIndex].Name)" value="@Model.RecipeExecutionSteps[stepIndex].Name" />
-                <input type="checkbox" id="@stepId" name="@stepName" value="true" />
+                <input type="hidden" name="@Html.FieldNameFor(m => m.RecipeExecutionSteps[stepIndex].Name)" value="@Model.RecipeExecutionSteps[stepIndex].Name" />
+                @Html.CheckBoxFor(m => m.RecipeExecutionSteps[stepIndex].IsSelected)
                 <label for="@stepId" class="forcheckbox">@step.DisplayName</label>
             </legend>
             @Html.Hint(step.Description)
@@ -48,8 +49,5 @@
             </div>
         </fieldset>
         stepIndex++;
-        if (stepIndex < Model.RecipeExecutionSteps.Count) {
-            <hr />
-        }
     }
 }

src/Orchard.Web/Modules/Orchard.Recipes/Providers/Executors/ContentStep.cs

@@ -33,22 +33,28 @@ namespace Orchard.Recipes.Providers.Executors {
             get { return T("Provides additional coniguration for the Content recipe step."); }
         }
 
+        public int? BatchSize { get; set; }
+
         public override dynamic BuildEditor(dynamic shapeFactory) {
-            return UpdateEditor(shapeFactory, null, null);
+            return UpdateEditor(shapeFactory, null);
         }
 
-        public override dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater, UpdateRecipeExecutionStepContext context) {
+        public override dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater) {
             var viewModel = new ContentExecutionStepViewModel();
 
             if (updater != null) {
                 if (updater.TryUpdateModel(viewModel, Prefix, null, null)) {
-                    SetBatchSizeForDataStep(context.Step, viewModel.BatchSize);
+                    BatchSize = viewModel.BatchSize;
                 }
             }
 
             return shapeFactory.EditorTemplate(TemplateName: "ExecutionSteps/Content", Model: viewModel, Prefix: Prefix);
         }
 
+        public override void UpdateStep(UpdateRecipeExecutionStepContext context) {
+            SetBatchSizeForDataStep(context.Step, BatchSize);
+        }
+
         // <Data />
         // Import Data.
         public override void Execute(RecipeExecutionContext context) {

src/Orchard/Recipes/Services/IRecipeExecutionStep.cs

@@ -8,7 +8,8 @@ namespace Orchard.Recipes.Services {
         LocalizedString DisplayName { get; }
         LocalizedString Description { get; }
         dynamic BuildEditor(dynamic shapeFactory);
-        dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater, UpdateRecipeExecutionStepContext context);
+        dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater);
+        void UpdateStep(UpdateRecipeExecutionStepContext context);
         void Execute(RecipeExecutionContext context);
         
     }

src/Orchard/Recipes/Services/RecipeExecutionStep.cs

@@ -22,10 +22,13 @@ namespace Orchard.Recipes.Services {
             return null;
         }
 
-        public virtual dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater, UpdateRecipeExecutionStepContext context) {
+        public virtual dynamic UpdateEditor(dynamic shapeFactory, IUpdateModel updater) {
             return null;
         }
 
+        public virtual void UpdateStep(UpdateRecipeExecutionStepContext context) {
+        }
+
         public abstract void Execute(RecipeExecutionContext context);
     }
 }