2 // System.Web.UI.AttributeCollection.cs
5 // Duncan Mak (duncan@ximian.com)
6 // Gonzalo Paniagua (gonzalo@ximian.com)
8 // (C) 2002 Ximian, Inc. (http://www.ximian.com
9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Collections;
32 using System.Globalization;
33 using System.Security.Permissions;
35 namespace System.Web.UI {
37 // CAS - no InheritanceDemand here as the class is sealed
38 [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
39 public sealed class AttributeCollection
42 private CssStyleCollection styleCollection;
43 internal const string StyleAttribute = "style";
45 public AttributeCollection (StateBag bag)
51 get { return bag.Count; }
54 public CssStyleCollection CssStyle {
56 if (styleCollection == null)
57 styleCollection = new CssStyleCollection (bag);
58 return styleCollection;
62 public string this [string key] {
63 get { return bag [key] as string; }
70 public ICollection Keys {
71 get { return bag.Keys; }
74 public void Add (string key, string value)
76 if (0 == String.Compare (key, StyleAttribute, true, CultureInfo.InvariantCulture)) {
77 CssStyle.Value = value;
83 public void AddAttributes (HtmlTextWriter writer)
85 foreach (string key in bag.Keys) {
86 string value = bag [key] as string;
87 writer.AddAttribute (key, value);
97 public void Remove (string key)
99 if (0 == String.Compare (key, StyleAttribute, true, CultureInfo.InvariantCulture)) {
106 public void Render (HtmlTextWriter writer)
108 foreach (string key in bag.Keys) {
109 string value = bag [key] as string;
111 writer.WriteAttribute (key, value, true);
116 internal void CopyFrom (AttributeCollection attributeCollection)
118 if (attributeCollection == null || attributeCollection.Count == 0)
121 foreach (string key in attributeCollection.bag.Keys)
122 this.Add (key, attributeCollection [key]);