// 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.
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
//
// Authors:
//	Peter Bartok	(pbartok@novell.com)
//
//

// COMPLETE

using System;
using System.Collections;
using System.ComponentModel;
using System.Globalization;
using System.Text;

namespace System.Windows.Forms {
	public class OpacityConverter : TypeConverter {
		#region Public Constructors
		public OpacityConverter() {
		}
		#endregion	// Public Constructors

		#region Public Instance Methods
		public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) {
			if (sourceType == typeof(string)) {
				return true;
			}
			return false;
		}

		public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value) {
			if (value is string) {
				string	s;
	
				s = (string)value;
				if (s.EndsWith("%")) {
					s = ((string)value).Substring(0, ((string)value).Length - 1);
				}
				return Double.Parse(s, NumberStyles.Any, culture) / 100;
			}
			return base.ConvertFrom (context, culture, value);
		}

		public override object ConvertTo(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value, Type destinationType) {
			if (destinationType == typeof(string)) {
				double	v;

				v = ((double)value) * 100;
				return v.ToString() + "%";
			}
			return base.ConvertTo (context, culture, value, destinationType);
		}
		#endregion	// Public Instance Methods
	}
}