100 lines
3.0 KiB
C#
100 lines
3.0 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="WebPartTransformerCollection.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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public sealed class WebPartTransformerCollection : CollectionBase {
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private bool _readOnly;
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public bool IsReadOnly {
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get {
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return _readOnly;
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}
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}
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public WebPartTransformer this[int index] {
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get {
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return (WebPartTransformer) List[index];
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}
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set {
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List[index] = value;
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}
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}
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public int Add(WebPartTransformer transformer) {
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return List.Add(transformer);
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}
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private void CheckReadOnly() {
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if (_readOnly) {
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throw new InvalidOperationException(SR.GetString(SR.WebPartTransformerCollection_ReadOnly));
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}
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}
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public bool Contains(WebPartTransformer transformer) {
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return List.Contains(transformer);
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}
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public void CopyTo(WebPartTransformer[] array, int index) {
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List.CopyTo(array, index);
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}
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public int IndexOf(WebPartTransformer transformer) {
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return List.IndexOf(transformer);
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}
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public void Insert(int index, WebPartTransformer transformer) {
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List.Insert(index, transformer);
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}
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protected override void OnClear() {
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CheckReadOnly();
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base.OnClear();
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}
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protected override void OnInsert(int index, object value) {
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CheckReadOnly();
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if (List.Count > 0) {
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throw new InvalidOperationException(SR.GetString(SR.WebPartTransformerCollection_NotEmpty));
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}
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base.OnInsert(index, value);
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}
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protected override void OnRemove(int index, object value) {
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CheckReadOnly();
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base.OnRemove(index, value);
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}
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protected override void OnSet(int index, object oldValue, object newValue) {
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CheckReadOnly();
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base.OnSet(index, oldValue, newValue);
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}
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protected override void OnValidate(object value) {
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base.OnValidate(value);
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if (value == null) {
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throw new ArgumentNullException("value", SR.GetString(SR.Collection_CantAddNull));
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}
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if (!(value is WebPartTransformer)) {
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throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "WebPartTransformer"), "value");
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}
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}
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public void Remove(WebPartTransformer transformer) {
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List.Remove(transformer);
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}
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internal void SetReadOnly() {
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_readOnly = true;
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}
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}
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}
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