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//------------------------------------------------------------------------------
// <copyright file="EditorPartCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Collections;
public sealed class EditorPartCollection : ReadOnlyCollectionBase {
public static readonly EditorPartCollection Empty = new EditorPartCollection();
public EditorPartCollection() {
}
public EditorPartCollection(ICollection editorParts) {
Initialize(null, editorParts);
}
public EditorPartCollection(EditorPartCollection existingEditorParts, ICollection editorParts) {
Initialize(existingEditorParts, editorParts);
}
public EditorPart this[int index] {
get {
return (EditorPart) InnerList[index];
}
}
internal int Add(EditorPart value) {
return InnerList.Add(value);
}
public bool Contains(EditorPart editorPart) {
return InnerList.Contains(editorPart);
}
public void CopyTo(EditorPart[] array, int index) {
InnerList.CopyTo(array, index);
}
public int IndexOf(EditorPart editorPart) {
return InnerList.IndexOf(editorPart);
}
private void Initialize(EditorPartCollection existingEditorParts, ICollection editorParts) {
if (existingEditorParts != null) {
foreach (EditorPart existingEditorPart in existingEditorParts) {
// Don't need to check arg, since we know it is valid since it came
// from an EditorPartCollection.
InnerList.Add(existingEditorPart);
}
}
if (editorParts != null) {
foreach (object obj in editorParts) {
if (obj == null) {
throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "editorParts");
}
if (!(obj is EditorPart)) {
throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "EditorPart"), "editorParts");
}
InnerList.Add(obj);
}
}
}
}
}
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