From 9e329c4c4c298daf723b8976b18a35b2d3765050 Mon Sep 17 00:00:00 2001
From: Sebastien Ros <none@none>
Date: Thu, 15 Nov 2012 12:19:34 -0800
Subject: [PATCH] Preventing exceptions when monitoring shape templates

--HG--
branch : 1.x
---
 .../ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs      | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Orchard/DisplayManagement/Descriptors/ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs b/src/Orchard/DisplayManagement/Descriptors/ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs
index cca721981..32444de72 100644
--- a/src/Orchard/DisplayManagement/Descriptors/ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs
+++ b/src/Orchard/DisplayManagement/Descriptors/ShapeTemplateStrategy/ShapeTemplateBindingStrategy.cs
@@ -70,6 +70,9 @@ namespace Orchard.DisplayManagement.Descriptors.ShapeTemplateStrategy {
                     var basePath = Path.Combine(extensionDescriptor.Location, extensionDescriptor.Id).Replace(Path.DirectorySeparatorChar, '/');
                     var virtualPath = Path.Combine(basePath, subPath).Replace(Path.DirectorySeparatorChar, '/');
                     var fileNames = _cacheManager.Get(virtualPath, ctx => {
+                        if (!_virtualPathProvider.DirectoryExists(virtualPath))
+                            return new List<string>();
+
                         ctx.Monitor(_virtualPathMonitor.WhenPathChanges(virtualPath));
                         return _virtualPathProvider.ListFiles(virtualPath).Select(Path.GetFileName).ToReadOnlyCollection();
                     });