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//
// System.ComponentModel.DesignerAttribute.cs
//
// Author:
// Alejandro Sánchez Acosta (raciel@es.gnu.org)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Alejandro Sánchez Acosta
// (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.ComponentModel.Design;
namespace System.ComponentModel
{
/// <summary>
/// Designer Attribute for classes.
/// </summary>
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Interface, AllowMultiple = true, Inherited = true)]
public sealed class DesignerAttribute : Attribute
{
private string name;
private string basetypename;
public DesignerAttribute (string designerTypeName)
{
if (designerTypeName == null)
throw new NullReferenceException ();
name = designerTypeName;
basetypename = typeof(IDesigner).FullName;
}
public DesignerAttribute (Type designerType)
: this (designerType.AssemblyQualifiedName)
{
}
public DesignerAttribute (string designerTypeName, Type designerBaseType)
: this (designerTypeName, designerBaseType.AssemblyQualifiedName)
{
}
public DesignerAttribute (Type designerType, Type designerBaseType)
: this (designerType.AssemblyQualifiedName, designerBaseType.AssemblyQualifiedName)
{
}
public DesignerAttribute (string designerTypeName, string designerBaseTypeName)
{
if (designerTypeName == null)
throw new NullReferenceException ();
name = designerTypeName;
basetypename = designerBaseTypeName;
}
public string DesignerBaseTypeName {
get {
return basetypename;
}
}
public string DesignerTypeName {
get {
return name;
}
}
public override object TypeId {
get {
string baseTypeNameOnly = basetypename;
int index = baseTypeNameOnly.IndexOf (',');
if (index != -1) // strip name
baseTypeNameOnly = baseTypeNameOnly.Substring (0, index);
return this.GetType ().ToString() + baseTypeNameOnly;
}
}
public override bool Equals (object obj)
{
if (!(obj is DesignerAttribute))
return false;
return ((DesignerAttribute) obj).DesignerBaseTypeName.Equals (basetypename) &&
((DesignerAttribute) obj).DesignerTypeName.Equals (name);
}
public override int GetHashCode ()
{
return string.Concat(name, basetypename).GetHashCode ();
}
}
}
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