From 59a57413c582415f12a3da02c0c24f18af850c5c Mon Sep 17 00:00:00 2001
From: Dave Reed <dareed@microsoft.com>
Date: Mon, 29 Nov 2010 14:16:26 -0800
Subject: [PATCH] #16800: Add a Condition property on RequireSettings. You can
 now say Require("foo").UseCondition("lte IE7") for example.

--HG--
branch : dev
---
 src/Orchard.Web/Core/Shapes/CoreShapes.cs   | 7 +++++++
 src/Orchard/UI/Resources/RequireSettings.cs | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/src/Orchard.Web/Core/Shapes/CoreShapes.cs b/src/Orchard.Web/Core/Shapes/CoreShapes.cs
index 53bb2abbd..72efafe06 100644
--- a/src/Orchard.Web/Core/Shapes/CoreShapes.cs
+++ b/src/Orchard.Web/Core/Shapes/CoreShapes.cs
@@ -225,7 +225,14 @@ namespace Orchard.Core.Shapes {
             foreach (var context in requiredResources.Where(r =>
                 (includeLocation.HasValue ? r.Settings.Location == includeLocation.Value : true) &&
                 (excludeLocation.HasValue ? r.Settings.Location != excludeLocation.Value : true))) {
+                var condition = context.Settings.Condition;
+                if (!string.IsNullOrEmpty(condition)) {
+                    html.ViewContext.Writer.WriteLine("<!--[if " + condition + "]>");
+                }
                 html.ViewContext.Writer.WriteLine(context.GetTagBuilder(defaultSettings, appPath).ToString(context.Resource.TagRenderMode));
+                if (!string.IsNullOrEmpty(condition)) {
+                    html.ViewContext.Writer.WriteLine("<![endif]-->");
+                }
             }
         }
 
diff --git a/src/Orchard/UI/Resources/RequireSettings.cs b/src/Orchard/UI/Resources/RequireSettings.cs
index 2648967ed..a945b4a84 100644
--- a/src/Orchard/UI/Resources/RequireSettings.cs
+++ b/src/Orchard/UI/Resources/RequireSettings.cs
@@ -9,6 +9,7 @@ namespace Orchard.UI.Resources {
         public bool DebugMode { get; set; }
         public bool CdnMode { get; set; }
         public ResourceLocation Location { get; set; }
+        public string Condition { get; set; }
         public Action<ResourceDefinition> InlineDefinition { get; set; }
 
         public RequireSettings AtHead() {
@@ -55,6 +56,11 @@ namespace Orchard.UI.Resources {
             return this;
         }
 
+        public RequireSettings UseCondition(string condition) {
+            Condition = Condition ?? condition;
+            return this;
+        }
+
         public RequireSettings Define(Action<ResourceDefinition> resourceDefinition) {
             InlineDefinition = resourceDefinition ?? InlineDefinition;
             return this;
@@ -69,6 +75,7 @@ namespace Orchard.UI.Resources {
                 .UseCdn(CdnMode).UseCdn(other.CdnMode)
                 .UseDebugMode(DebugMode).UseDebugMode(other.DebugMode)
                 .UseCulture(Culture).UseCulture(other.Culture)
+                .UseCondition(Condition).UseCondition(other.Condition)
                 .Define(InlineDefinition).Define(other.InlineDefinition);
         }
     }