Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebControls/HotSpotCollection.cs

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+//------------------------------------------------------------------------------
+// <copyright file="HotSpotCollection.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+using System;
+using System.Collections;
+using System.ComponentModel;
+using System.Drawing.Design;
+using System.Web.UI;
+
+namespace System.Web.UI.WebControls {
+
+
+    /// <devdoc>
+    /// <para>Collection of HotSpots.</para>
+    /// </devdoc>
+    [
+    Editor("System.Web.UI.Design.WebControls.HotSpotCollectionEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor))
+    ]
+
+    public sealed class HotSpotCollection : StateManagedCollection {
+        private static readonly Type[] knownTypes = new Type[] {
+                                                                typeof(CircleHotSpot),
+                                                                typeof(RectangleHotSpot),
+                                                                typeof(PolygonHotSpot),
+                                                            };
+
+
+
+        /// <devdoc>
+        /// <para>Returns the HotSpot at a given index.</para>
+        /// </devdoc>
+        public HotSpot this[int index] {
+            get {
+                return (HotSpot)((IList)this)[index];
+            }
+        }
+
+
+        /// <devdoc>
+        /// <para>Adds a HotSpot to the collection.</para>
+        /// </devdoc>
+        public int Add(HotSpot spot) {
+            return ((IList)this).Add(spot);
+        }
+
+
+        /// <devdoc>
+        /// <para>Creates a known type of HotSpot.</para>
+        /// </devdoc>
+        protected override object CreateKnownType(int index) {
+             switch (index) {
+                case 0:
+                    return new CircleHotSpot();
+                case 1:
+                    return new RectangleHotSpot();
+                case 2:
+                    return new PolygonHotSpot();
+                default:
+                    throw new ArgumentOutOfRangeException(SR.GetString(SR.HotSpotCollection_InvalidTypeIndex));
+            }        
+        }
+
+
+        /// <devdoc>
+        /// <para>Returns an ArrayList of known HotSpot types.</para>
+        /// </devdoc>
+        protected override Type[] GetKnownTypes() {
+            return knownTypes;
+        }
+
+
+        /// <devdoc>
+        /// <para>Inserts a HotSpot into the collection.</para>
+        /// </devdoc>
+        public void Insert(int index, HotSpot spot) {
+            ((IList)this).Insert(index, spot);
+        }
+
+
+        /// <devdoc>
+        /// <para>Validates that an object is a HotSpot.</para>
+        /// </devdoc>
+        protected override void OnValidate(object o) {
+            base.OnValidate(o);
+            if (!(o is HotSpot))
+                throw new ArgumentException(SR.GetString(SR.HotSpotCollection_InvalidType));
+        }
+
+
+        /// <devdoc>
+        /// <para>Removes a HotSpot from the collection.</para>
+        /// </devdoc>
+        public void Remove(HotSpot spot) {
+            ((IList)this).Remove(spot);
+        }
+
+
+        /// <devdoc>
+        /// <para>Removes a HotSpot from the collection at a given index.</para>
+        /// </devdoc>
+        public void RemoveAt(int index) {
+            ((IList)this).RemoveAt(index);
+        }
+
+
+        /// <devdoc>
+        /// <para>Marks a HotSpot as dirty so that it will record its entire state into view state.</para>
+        /// </devdoc>
+        protected override void SetDirtyObject(object o) {
+            ((HotSpot)o).SetDirty();
+        }
+    }
+}