Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/aspnetwebstack/src/System.Web.Mvc/CachedDataAnnotationsMetadataAttributes.cs

@@ -0,0 +1,56 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
+
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+
+namespace System.Web.Mvc
+{
+    public class CachedDataAnnotationsMetadataAttributes
+    {
+        public CachedDataAnnotationsMetadataAttributes(Attribute[] attributes)
+        {
+            DataType = attributes.OfType<DataTypeAttribute>().FirstOrDefault();
+            Display = attributes.OfType<DisplayAttribute>().FirstOrDefault();
+            DisplayColumn = attributes.OfType<DisplayColumnAttribute>().FirstOrDefault();
+            DisplayFormat = attributes.OfType<DisplayFormatAttribute>().FirstOrDefault();
+            DisplayName = attributes.OfType<DisplayNameAttribute>().FirstOrDefault();
+            Editable = attributes.OfType<EditableAttribute>().FirstOrDefault();
+            HiddenInput = attributes.OfType<HiddenInputAttribute>().FirstOrDefault();
+            ReadOnly = attributes.OfType<ReadOnlyAttribute>().FirstOrDefault();
+            Required = attributes.OfType<RequiredAttribute>().FirstOrDefault();
+            ScaffoldColumn = attributes.OfType<ScaffoldColumnAttribute>().FirstOrDefault();
+
+            var uiHintAttributes = attributes.OfType<UIHintAttribute>();
+            UIHint = uiHintAttributes.FirstOrDefault(a => String.Equals(a.PresentationLayer, "MVC", StringComparison.OrdinalIgnoreCase))
+                     ?? uiHintAttributes.FirstOrDefault(a => String.IsNullOrEmpty(a.PresentationLayer));
+
+            if (DisplayFormat == null && DataType != null)
+            {
+                DisplayFormat = DataType.DisplayFormat;
+            }
+        }
+
+        public DataTypeAttribute DataType { get; protected set; }
+
+        public DisplayAttribute Display { get; protected set; }
+
+        public DisplayColumnAttribute DisplayColumn { get; protected set; }
+
+        public DisplayFormatAttribute DisplayFormat { get; protected set; }
+
+        public DisplayNameAttribute DisplayName { get; protected set; }
+
+        public EditableAttribute Editable { get; protected set; }
+
+        public HiddenInputAttribute HiddenInput { get; protected set; }
+
+        public ReadOnlyAttribute ReadOnly { get; protected set; }
+
+        public RequiredAttribute Required { get; protected set; }
+
+        public ScaffoldColumnAttribute ScaffoldColumn { get; protected set; }
+
+        public UIHintAttribute UIHint { get; protected set; }
+    }
+}