84 lines
2.9 KiB
C#
84 lines
2.9 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="CatalogPartCollection.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.WebControls.WebParts {
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using System;
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using System.Collections;
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using System.Globalization;
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public sealed class CatalogPartCollection : ReadOnlyCollectionBase {
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public static readonly CatalogPartCollection Empty = new CatalogPartCollection();
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public CatalogPartCollection() {
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}
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public CatalogPartCollection(ICollection catalogParts) {
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Initialize(null, catalogParts);
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}
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public CatalogPartCollection(CatalogPartCollection existingCatalogParts, ICollection catalogParts) {
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Initialize(existingCatalogParts, catalogParts);
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}
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public CatalogPart this[int index] {
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get {
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return (CatalogPart) InnerList[index];
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}
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}
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public CatalogPart this[string id] {
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get {
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foreach (CatalogPart catalogPart in InnerList) {
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if (String.Equals(catalogPart.ID, id, StringComparison.OrdinalIgnoreCase)) {
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return catalogPart;
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}
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}
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return null;
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}
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}
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internal int Add(CatalogPart value) {
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return InnerList.Add(value);
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}
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public bool Contains(CatalogPart catalogPart) {
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return InnerList.Contains(catalogPart);
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}
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public void CopyTo(CatalogPart[] array, int index) {
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InnerList.CopyTo(array, index);
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}
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public int IndexOf(CatalogPart catalogPart) {
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return InnerList.IndexOf(catalogPart);
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}
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private void Initialize(CatalogPartCollection existingCatalogParts, ICollection catalogParts) {
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if (existingCatalogParts != null) {
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foreach (CatalogPart existingCatalogPart in existingCatalogParts) {
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// Don't need to check arg, since we know it is valid since it came
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// from a CatalogPartCollection.
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InnerList.Add(existingCatalogPart);
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}
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}
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if (catalogParts != null) {
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foreach (object obj in catalogParts) {
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if (obj == null) {
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throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "catalogParts");
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}
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if (!(obj is CatalogPart)) {
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throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "CatalogPart"), "catalogParts");
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}
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InnerList.Add(obj);
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}
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}
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}
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}
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}
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