//
// System.ComponentModel.ExtenderProvidedPropertyAttribute.cs
//
// Author:
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) 2003 Andreas Nahr
//
//
// 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;
namespace System.ComponentModel{
[AttributeUsage(AttributeTargets.All)]
public sealed class ExtenderProvidedPropertyAttribute : Attribute
{
private PropertyDescriptor extender;
private IExtenderProvider extenderProvider;
private Type receiver;
public ExtenderProvidedPropertyAttribute()
{
}
// Call this method to create a ExtenderProvidedPropertyAttribute and set it's values
internal static ExtenderProvidedPropertyAttribute CreateAttribute (PropertyDescriptor extenderProperty, IExtenderProvider provider, Type receiverType)
{
ExtenderProvidedPropertyAttribute NewAttribute = new ExtenderProvidedPropertyAttribute();
NewAttribute.extender = extenderProperty;
NewAttribute.receiver = receiverType;
NewAttribute.extenderProvider = provider;
return NewAttribute;
}
public PropertyDescriptor ExtenderProperty {
get {
return extender;
}
}
public IExtenderProvider Provider {
get {
return extenderProvider;
}
}
public Type ReceiverType {
get {
return receiver;
}
}
public override bool IsDefaultAttribute()
{
// FIXME correct implementation??
return (extender == null) &&
(extenderProvider == null) &&
(receiver == null);
}
public override bool Equals (object obj)
{
if (!(obj is ExtenderProvidedPropertyAttribute))
return false;
if (obj == this)
return true;
return ((ExtenderProvidedPropertyAttribute) obj).ExtenderProperty.Equals (extender) &&
((ExtenderProvidedPropertyAttribute) obj).Provider.Equals (extenderProvider) &&
((ExtenderProvidedPropertyAttribute) obj).ReceiverType.Equals (receiver);
}
public override int GetHashCode()
{
return extender.GetHashCode() ^ extenderProvider.GetHashCode() ^ receiver.GetHashCode();
}
}
}
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