Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web.DynamicData/DynamicData/PageAction.cs

@@ -0,0 +1,56 @@
+
+using System.ComponentModel;
+
+namespace System.Web.DynamicData {
+    /// <summary>
+    /// Class that holds the name of common Actions for convenience
+    /// </summary>
+    public static class PageAction {
+        /// <summary>
+        /// Returns "Details"
+        /// </summary>
+        public static string Details { get { return "Details"; } }
+
+        /// <summary>
+        /// Returns "List"
+        /// </summary>
+        public static string List { get { return "List"; } }
+
+        /// <summary>
+        /// Returns "Edit"
+        /// </summary>
+        public static string Edit { get { return "Edit"; } }
+
+        /// <summary>
+        /// Returns "Insert"
+        /// </summary>
+        public static string Insert { get { return "Insert"; } }
+    }
+
+    // 
+    internal class ActionConverter : StringConverter {
+        private static string[] _targetValues = {
+                                                       PageAction.Details,
+                                                       PageAction.Edit,
+                                                       PageAction.Insert,
+                                                       PageAction.List
+                                                   };
+
+        private StandardValuesCollection _values;
+
+        public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context) {
+            if (_values == null) {
+                _values = new StandardValuesCollection(_targetValues);
+            }
+            return _values;
+        }
+
+        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) {
+            return false;
+        }
+
+        public override bool GetStandardValuesSupported(ITypeDescriptorContext context) {
+            return true;
+        }
+    }
+}