//
// MoonlightValueConverter.cs
//
// Contact:
//   Moonlight List (moonlight-list@lists.ximian.com)
//
// Copyright 2008 Novell, Inc.
//
// 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 Mono;
using System;
using System.ComponentModel;
using System.Globalization;
using System.Windows;
using System.Windows.Data;
using System.Windows.Input;
using System.Windows.Media;

namespace Mono {

	internal class MoonlightValueConverter : IValueConverter {

		public MoonlightValueConverter ()
		{
		}

		public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
		{
			if (value == null)
				return null;

			if (typeof (string) == targetType) {
				if (value is string)
					return value;
				
				return value.ToString (); // XXX culture
			}
			else {
				string str_value = value as string;
				if (str_value != null) {
					IntPtr value_ptr;
					if (NativeMethods.value_from_str (Deployment.Current.Types.TypeToKind (targetType), null, str_value, out value_ptr)) {
						value = Value.ToObject (targetType, value_ptr);
						return value;
					}
				}
				if (targetType.IsEnum && str_value != null)
					return Enum.Parse (targetType, str_value);
				if (targetType != value.GetType() && targetType.IsValueType && value.GetType().IsValueType)
					return System.Convert.ChangeType (value, targetType, null);
			}


			return value;
		}

		public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
		{
			// XXX
			return null;
		}
	}

}
