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//
// Copyright (C) 2010 Novell Inc. http://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;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
using System.Xaml.Schema;
namespace System.Windows.Markup
{
[MarkupExtensionReturnType (typeof (Type))]
[TypeConverter (typeof (TypeExtensionConverter))]
[System.Runtime.CompilerServices.TypeForwardedFrom (Consts.AssemblyPresentationFramework_3_5)]
public class TypeExtension : MarkupExtension
{
public TypeExtension ()
{
}
public TypeExtension (string typeName)
{
if (typeName == null)
throw new ArgumentNullException ("typeName");
TypeName = typeName;
}
public TypeExtension (Type type)
{
if (type == null)
throw new ArgumentNullException ("type");
Type = type;
}
[ConstructorArgument ("type")]
[DefaultValue (null)]
public Type Type { get; set; }
public string TypeName { get; set; }
public override object ProvideValue (IServiceProvider serviceProvider)
{
if (Type != null)
return Type;
if (TypeName == null)
throw new InvalidOperationException ("Either TypeName or Type must be filled before calling ProvideValue method");
if (serviceProvider == null) // it can be null when Type is supplied.
throw new ArgumentNullException ("serviceProvider");
var p = serviceProvider.GetService (typeof (IXamlTypeResolver)) as IXamlTypeResolver;
if (p == null)
throw new InvalidOperationException ("serviceProvider does not provide IXamlTypeResolver service.");
var ret = p.Resolve (TypeName);
if (ret == null)
throw new InvalidOperationException (String.Format ("Type '{0}' is not resolved as a valid type by the type resolver '{1}'.", TypeName, p.GetType ()));
return ret;
}
}
}
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