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//
// System.Web.UI.AttributeCollection.cs
//
// Authors:
// Duncan Mak (duncan@ximian.com)
// Gonzalo Paniagua (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc. (http://www.ximian.com
// Copyright (C) 2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections;
using System.Globalization;
using System.Security.Permissions;
namespace System.Web.UI {
// CAS - no InheritanceDemand here as the class is sealed
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class AttributeCollection
{
private StateBag bag;
private CssStyleCollection styleCollection;
public AttributeCollection (StateBag bag)
{
this.bag = bag;
}
public int Count {
get { return bag.Count; }
}
public CssStyleCollection CssStyle {
get {
if (styleCollection == null)
styleCollection = new CssStyleCollection (bag);
return styleCollection;
}
}
public string this [string key] {
get { return bag [key] as string; }
set {
Add (key, value);
}
}
public ICollection Keys {
get { return bag.Keys; }
}
public void Add (string key, string value)
{
if (0 == String.Compare (key, "style", true, CultureInfo.InvariantCulture)) {
CssStyle.Value = value;
return;
}
bag.Add (key, value);
}
public void AddAttributes (HtmlTextWriter writer)
{
foreach (string key in bag.Keys) {
string value = bag [key] as string;
writer.AddAttribute (key, value);
}
}
public void Clear ()
{
CssStyle.Clear ();
bag.Clear ();
}
public void Remove (string key)
{
if (0 == String.Compare (key, "style", true, CultureInfo.InvariantCulture)) {
CssStyle.Clear ();
return;
}
bag.Remove (key);
}
public void Render (HtmlTextWriter writer)
{
foreach (string key in bag.Keys) {
string value = bag [key] as string;
if (value != null)
writer.WriteAttribute (key, value, true);
}
}
}
}
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