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NzbDrone.Web/Helpers/IsCurrentActionHelper.cs

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+using System;
+using System.Web.Mvc;
+using System.Web.Mvc.Html;
+namespace Helpers
+{
+    public static class IsCurrentActionHelper
+    {
+
+        private static bool IsCurrentController(HtmlHelper helper, string actionName, string controllerName)
+        {
+            var currentControllerName = (string)helper.ViewContext.RouteData.Values["controller"];
+
+            if (currentControllerName.Equals(controllerName, StringComparison.CurrentCultureIgnoreCase))
+                return true;
+
+            return false;
+        }
+
+        public static string CurrentActionLink(this HtmlHelper helper, string text, string actionName, string controllerName)
+        {
+            string result;
+
+            if (IsCurrentController(helper, actionName, controllerName))
+            {
+                result = "<li class='current_page_item'>";
+            }
+            else
+            {
+                result = "<li>";
+            }
+
+            return result + helper.ActionLink(text, actionName, controllerName).ToHtmlString() + @"</li>";
+
+        }
+    }
+}