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