Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/UI/WebControls/Adapters/WmlImageMapAdapter.cs

@@ -0,0 +1,99 @@
+//------------------------------------------------------------------------------
+// <copyright file="WmlImageMapAdapter.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+#if WMLSUPPORT
+
+namespace System.Web.UI.WebControls.Adapters {
+    using System.Globalization;
+    using System.Web.UI.WebControls;
+    using System.Web.UI.Adapters;
+    using System.Collections.Specialized;
+    using System.Web.Util;
+
+    // Adapts the ImageMap for wml.
+    public class WmlImageMapAdapter : ImageMapAdapter, IPostBackDataHandler, IPostBackEventHandler {
+
+        protected internal override void OnInit(EventArgs e) {
+            // NB: this is required because the control names do not match the controlID
+            Page.RegisterRequiresPostBack(Control);
+            base.OnInit(e);
+        }
+
+
+        protected internal override void Render(HtmlTextWriter writer) {
+            if (Control.HotSpots.Count > 0) {
+                HotSpotMode mapMode = Control.HotSpotMode;
+                if (mapMode == HotSpotMode.NotSet) {
+                    mapMode = HotSpotMode.Navigate;
+                }
+                HotSpotMode spotMode;
+                int hotSpotIndex = 0;
+                string targetURL;
+                string text;
+                foreach (HotSpot item in Control.HotSpots) {
+                    text = item.AlternateText;
+                    if (text != null && text.Length == 0) {
+                        text = item.NavigateUrl;
+                    }
+                    spotMode = item.HotSpotMode;
+                    if (spotMode == HotSpotMode.NotSet) {
+                        spotMode = mapMode;
+                    }
+                    if (spotMode == HotSpotMode.PostBack) {
+                        PageAdapter.RenderPostBackEvent(writer, Control.ClientID, hotSpotIndex.ToString(CultureInfo.InvariantCulture),
+                                                        null, text);
+                    }
+                    else if (spotMode == HotSpotMode.Navigate) {
+                        targetURL = Control.ResolveClientUrl(item.NavigateUrl);
+                        targetURL = Control.GetCountClickUrl(targetURL);
+                        PageAdapter.RenderBeginHyperlink(writer, targetURL, true /* encode */, null, Control.AccessKey);
+                        writer.Write(text);
+                        PageAdapter.RenderEndHyperlink(writer);
+                    }
+                    else { //HotSpotMode.Inactive
+                        writer.Write(LiteralControlAdapterUtility.ProcessWmlLiteralText(text));
+                    }
+                    ++hotSpotIndex;
+                    writer.WriteBreak();
+                }
+            }
+        }
+
+        /// <internalonly/>
+        bool IPostBackDataHandler.LoadPostData(String key, NameValueCollection data) {
+            return LoadPostData(key, data);
+        }
+
+        /// <internalonly/>
+        protected virtual bool LoadPostData(String key, NameValueCollection data) {
+            return false;
+        }
+
+        /// <internalonly/>
+        void IPostBackDataHandler.RaisePostDataChangedEvent() {
+            RaisePostDataChangedEvent();
+        }
+
+        /// <internalonly/>
+        protected virtual void RaisePostDataChangedEvent() {
+        }
+
+
+        /// <internalonly/>
+        void IPostBackEventHandler.RaisePostBackEvent(string eventArgument) {
+            RaisePostBackEvent(eventArgument);
+        }
+
+        /// <internalonly/>
+        protected virtual void RaisePostBackEvent(string eventArgument) {
+            ((IPostBackEventHandler)Control).RaisePostBackEvent(eventArgument);
+        }
+
+    }
+}
+
+#endif
+