106 lines
4.1 KiB
C#
106 lines
4.1 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="WebPartVerbCollection.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.Collections.Specialized;
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using System.ComponentModel;
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using System.Drawing.Design;
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public sealed class WebPartVerbCollection : ReadOnlyCollectionBase {
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private HybridDictionary _ids;
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public static readonly WebPartVerbCollection Empty = new WebPartVerbCollection();
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public WebPartVerbCollection() {
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Initialize(null, null);
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}
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public WebPartVerbCollection(ICollection verbs) {
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Initialize(null, verbs);
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}
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public WebPartVerbCollection(WebPartVerbCollection existingVerbs, ICollection verbs) {
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Initialize(existingVerbs, verbs);
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}
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public WebPartVerb this[int index] {
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get {
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return (WebPartVerb) InnerList[index];
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}
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}
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// Currently, the WebPartVerbCollection class allows verbs to be added with duplicate IDs.
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// Ideally, we would not allow this. However, since the WebPartChrome.GetWebParts() method
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// returns both the Part and Zone verbs, there is the potential to have multiple verbs
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// with the same ID. So this property must be internal, since we are guaranteed to never
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// call it on a collection with duplicate IDs.
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internal WebPartVerb this[string id] {
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get {
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return (WebPartVerb)_ids[id];
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}
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}
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// Do not throw for duplicate IDs, since we call this method to add items
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// to the collection internally, and we need to allow duplicate IDs.
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internal int Add(WebPartVerb value) {
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return InnerList.Add(value);
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}
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public bool Contains(WebPartVerb value) {
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return InnerList.Contains(value);
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}
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public void CopyTo(WebPartVerb[] array, int index) {
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InnerList.CopyTo(array, index);
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}
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public int IndexOf(WebPartVerb value) {
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return InnerList.IndexOf(value);
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}
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private void Initialize(WebPartVerbCollection existingVerbs, ICollection verbs) {
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int count = ((existingVerbs != null) ? existingVerbs.Count : 0) + ((verbs != null) ? verbs.Count : 0);
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_ids = new HybridDictionary(count, /* caseInsensitive */ true);
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if (existingVerbs != null) {
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foreach (WebPartVerb existingVerb in existingVerbs) {
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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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if (_ids.Contains(existingVerb.ID)) {
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throw new ArgumentException(SR.GetString(SR.WebPart_Collection_DuplicateID, "WebPartVerb", existingVerb.ID), "existingVerbs");
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}
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_ids.Add(existingVerb.ID, existingVerb);
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InnerList.Add(existingVerb);
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}
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}
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if (verbs != null) {
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foreach (object obj in verbs) {
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if (obj == null) {
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throw new ArgumentException(SR.GetString(SR.Collection_CantAddNull), "verbs");
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}
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WebPartVerb webPartVerb = obj as WebPartVerb;
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if (webPartVerb == null) {
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throw new ArgumentException(SR.GetString(SR.Collection_InvalidType, "WebPartVerb"), "verbs");
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}
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if (_ids.Contains(webPartVerb.ID)) {
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throw new ArgumentException(SR.GetString(SR.WebPart_Collection_DuplicateID, "WebPartVerb", webPartVerb.ID), "verbs");
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}
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_ids.Add(webPartVerb.ID, webPartVerb);
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InnerList.Add(webPartVerb);
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}
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}
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}
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}
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}
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