Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/HtmlControls/HtmlInputGenericControl.cs

@@ -0,0 +1,103 @@
+//------------------------------------------------------------------------------
+// <copyright file="HtmlInputGenericControl.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.HtmlControls {
+    using System;
+    using System.Collections.Specialized;
+    using System.ComponentModel;
+    using System.Diagnostics.CodeAnalysis;
+    using System.Web;
+    using System.Web.UI;
+
+    /// <devdoc>
+    ///    <para>
+    ///       The <see langword='HtmlInputGenericControl'/>
+    ///       class defines the methods, properties, and events for the a generic input
+    ///       control. This class allows programmatic access to the HTML5 &lt;input&gt;
+    ///       elements on the server.
+    ///    </para>
+    /// </devdoc>
+    [
+    DefaultEvent("ServerChange"),
+    ValidationProperty("Value"),
+    ]
+    public class HtmlInputGenericControl : HtmlInputControl, IPostBackDataHandler {
+        private static readonly object EventServerChange = new object();
+
+        /// <summary>
+        /// Creates an intrinsic Html INPUT type=text control.
+        /// </summary>
+        public HtmlInputGenericControl() : base("text") {
+        }
+
+        /// <summary>
+        /// Creates an intrinsic Html INPUT control based on its type.
+        /// </summary>
+        /// <param name="type">The type of the control</param>
+        public HtmlInputGenericControl(string type)
+            : base(type) {
+        }
+
+        [
+        WebCategory("Action"),
+        WebSysDescription(SR.HtmlInputText_ServerChange)
+        ]
+        public event EventHandler ServerChange {
+            add {
+                Events.AddHandler(EventServerChange, value);
+            }
+            remove {
+                Events.RemoveHandler(EventServerChange, value);
+            }
+        }
+
+        /// <summary>
+        /// Method used to raise the OnServerChange event.
+        /// </summary>
+        /// <param name="e">Event</param>
+        protected virtual void OnServerChange(EventArgs e) {
+            EventHandler handler = (EventHandler)Events[EventServerChange];
+            if (handler != null) {
+                handler(this, e);
+            }
+        }
+
+        protected internal override void OnPreRender(EventArgs e) {
+            base.OnPreRender(e);
+
+            if (!Disabled && Page != null) {
+                Page.RegisterEnabledControl(this);
+            }
+        }
+
+        bool IPostBackDataHandler.LoadPostData(string postDataKey, NameValueCollection postCollection) {
+            return LoadPostData(postDataKey, postCollection);
+        }
+
+        protected virtual bool LoadPostData(string postDataKey, NameValueCollection postCollection) {
+            string current = Value;
+            string inputString = postCollection.GetValues(postDataKey)[0];
+
+            if (!current.Equals(inputString)) {
+                ValidateEvent(postDataKey);
+
+                Value = inputString;
+                return true;
+            }
+
+            return false;
+        }
+
+        void IPostBackDataHandler.RaisePostDataChangedEvent() {
+            RaisePostDataChangedEvent();
+        }
+
+        [SuppressMessage("Microsoft.Design", "CA1030:UseEventsWhereAppropriate", Justification = @"Events are being used correctly for RaisePostBackEvent and RaisePostDataChangedEvent.")]
+        protected virtual void RaisePostDataChangedEvent() {
+            OnServerChange(EventArgs.Empty);
+        }
+    }
+}