// Gonzalo Paniagua (gonzalo@ximian.com)
//
// (C) 2002 Ximian, Inc. (http://www.ximian.com
-//
-
+// Copyright (C) 2005-2010 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
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
-using System;
using System.Collections;
+using System.Globalization;
+using System.Security.Permissions;
+using System.Web.Util;
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;
+ StateBag bag;
+ CssStyleCollection styleCollection;
+ internal const string StyleAttribute = "style";
public AttributeCollection (StateBag bag)
{
this.bag = bag;
}
+ public override bool Equals (object obj)
+ {
+ AttributeCollection other = obj as AttributeCollection;
+ if (other == null) {
+ return false;
+ }
+
+ if (Count != other.Count) {
+ return false;
+ }
+
+ foreach (string key in Keys) {
+ if (0 == String.CompareOrdinal (key, StyleAttribute)) {
+ continue;
+ }
+ if (0 == String.CompareOrdinal (other [key], this [key])) {
+ return false;
+ }
+ }
+
+ if ((styleCollection == null && other.styleCollection != null) ||
+ (styleCollection != null && other.styleCollection == null)) {
+ return false;
+ }
+ else if (styleCollection != null){
+ // other.styleCollection != null too
+ if (styleCollection.Count != other.styleCollection.Count){
+ return false;
+ }
+ foreach (string styleKey in styleCollection.Keys){
+ if (0 == String.CompareOrdinal(styleCollection [styleKey], other.styleCollection [styleKey])) {
+ return false;
+ }
+ }
+ }
+
+ return true;
+ }
+
+ public override int GetHashCode ()
+ {
+ int hashValue = 0;
+
+ foreach (string key in Keys) {
+ if (key == StyleAttribute) {
+ continue;
+ }
+ hashValue ^= key.GetHashCode ();
+ string value = this [key];
+ if (value != null) {
+ hashValue ^= value.GetHashCode ();
+ }
+ }
+
+ if (styleCollection != null) {
+ foreach (string styleKey in styleCollection.Keys) {
+ hashValue ^= styleCollection [styleKey].GetHashCode ();
+ string styleValue = styleCollection [styleKey];
+ if (styleValue != null) {
+ hashValue ^= styleValue.GetHashCode ();
+ }
+ }
+ }
+
+ return hashValue;
+ }
+
public int Count {
get { return bag.Count; }
}
public string this [string key] {
get { return bag [key] as string; }
- set { bag.Add (key, value); }
+ set {
+ Add (key, value);
+ }
}
public ICollection Keys {
public void Add (string key, string value)
{
- if (styleCollection != null && 0 == String.Compare (key, "style", true))
- styleCollection.FillStyle (value);
- else
- bag.Add (key, value);
+ if (0 == String.Compare (key, StyleAttribute, true, Helpers.InvariantCulture)) {
+ CssStyle.Value = value;
+ return;
+ }
+ bag.Add (key, value);
}
public void AddAttributes (HtmlTextWriter writer)
public void Clear ()
{
+ CssStyle.Clear ();
bag.Clear ();
}
public void Remove (string key)
{
+ if (0 == String.Compare (key, StyleAttribute, true, Helpers.InvariantCulture)) {
+ CssStyle.Clear ();
+ return;
+ }
bag.Remove (key);
}
writer.WriteAttribute (key, value, true);
}
}
+
+ internal void CopyFrom (AttributeCollection attributeCollection)
+ {
+ if (attributeCollection == null || attributeCollection.Count == 0)
+ return;
+
+ foreach (string key in attributeCollection.bag.Keys)
+ this.Add (key, attributeCollection [key]);
+ }
}
}