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//------------------------------------------------------------------------------
// <copyright file="WebPartDescriptionCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Globalization;
public sealed class WebPartDescriptionCollection : ReadOnlyCollectionBase {
private HybridDictionary _ids;
public WebPartDescriptionCollection() {
}
public WebPartDescriptionCollection(ICollection webPartDescriptions) {
if (webPartDescriptions == null) {
throw new ArgumentNullException("webPartDescriptions");
}
_ids = new HybridDictionary(webPartDescriptions.Count, true /* caseInsensitive */);
foreach (object obj in webPartDescriptions) {
if (obj == null) {
throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "webPartDescriptions");
}
WebPartDescription description = obj as WebPartDescription;
if (description == null) {
throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "WebPartDescription"),
"webPartDescriptions");
}
string id = description.ID;
if (!_ids.Contains(id)) {
InnerList.Add(description);
_ids.Add(id, description);
}
else {
throw new ArgumentException(SR.GetString(SR.WebPart_Collection_DuplicateID, "WebPartDescription", id), "webPartDescriptions");
}
}
}
public bool Contains(WebPartDescription value) {
return InnerList.Contains(value);
}
public int IndexOf(WebPartDescription value) {
return InnerList.IndexOf(value);
}
public WebPartDescription this[int index] {
get {
return (WebPartDescription) InnerList[index];
}
}
public WebPartDescription this[string id] {
get {
return ((_ids != null) ? (WebPartDescription)_ids[id] : null);
}
}
public void CopyTo(WebPartDescription[] array, int index) {
InnerList.CopyTo(array, index);
}
}
}
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