2 // Copyright (C) 2010 Novell Inc. http://novell.com
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 using System.Collections.Generic;
25 using System.ComponentModel;
26 using System.Globalization;
27 using System.Reflection;
29 using System.Xaml.Schema;
31 namespace System.Windows.Markup
33 internal class TypeExtensionConverter : TypeConverter
35 public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
37 // unlike implied at http://msdn.microsoft.com/en-us/library/ee621338.aspx , it does not support IXamlTypeResolver.
38 //if (sourceType == typeof (string) && context != null) {
39 // var xtr = context.GetService (typeof (IXamlTypeResolver)) as IXamlTypeResolver;
40 // return xtr != null;
42 return base.CanConvertFrom (context, sourceType);
45 public override bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
47 return destinationType == typeof (string);
50 public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
52 return base.ConvertFrom (context, culture, value);
55 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
57 var xt = value as XamlType;
59 if (destinationType == typeof (string))
60 return xt.ToString ();
61 throw new NotSupportedException (String.Format ("Conversion to type {0} is not supported", destinationType));
64 return base.ConvertTo (context, culture, value, destinationType); // it seems it still handles not-supported types (such as int).