//
// System.Web.UI.ThemeableAttribute
//
// Authors:
// Sanjay Gupta (gsanjay@novell.com)
//
// (C) 2004 Novell, Inc. (http://www.novell.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
// "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.ComponentModel;
using System.Security.Permissions;
namespace System.Web.UI{
// CAS - no InheritanceDemand here as the class is sealed
[AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
// attributes
[AttributeUsage (AttributeTargets.Class | AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
public sealed class ThemeableAttribute : Attribute {
bool themeable;
public ThemeableAttribute (bool themeable)
{
this.themeable = themeable;
}
public static readonly ThemeableAttribute Default = new ThemeableAttribute (true);
public static readonly ThemeableAttribute No = new ThemeableAttribute (false);
public static readonly ThemeableAttribute Yes = new ThemeableAttribute (true);
public bool Themeable {
get { return themeable; }
}
public override bool Equals (object obj)
{
if (obj != null && obj is ThemeableAttribute) {
ThemeableAttribute ta = (ThemeableAttribute) obj;
return (this.themeable == ta.themeable);
}
return false;
}
public override int GetHashCode ()
{
return this.themeable.GetHashCode ();
}
public override bool IsDefaultAttribute()
{
return Equals (Default);
}
public static bool IsObjectThemeable (object obj)
{
return IsTypeThemeable (obj.GetType ());
}
public static bool IsTypeThemeable (Type type)
{
Object [] attributes = type.GetCustomAttributes (typeof (ThemeableAttribute), false);
if (attributes.Length != 0) {
foreach (Attribute attrib in attributes)
if (attrib is ThemeableAttribute)
return true;
}
return false;
}
}
}
|