//
// BaseDataBoundControlDesigner.cs
//
// Author:
//   Marek Habersack <mhabersack@novell.com>
//
// (C) 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.
//
#if NET_2_0
using System;
using System.ComponentModel;
using System.Globalization;

namespace System.Web.UI.Design.WebControls
{
	public class DataSourceIDConverter : TypeConverter
	{
		public DataSourceIDConverter ()
		{
		}
		
		public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
		{
			return sourceType == typeof (string);
		}

		public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
		{
			if (value == null)
				return String.Empty;

			if (value is string)
				return (string)value;

			throw GetConvertFromException (value);
		}

		[MonoTODO]
		public override TypeConverter.StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
		{
			throw new NotImplementedException ();
		}

		public override bool GetStandardValuesExclusive (ITypeDescriptorContext context)
		{
			return false;
		}

		public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
		{
			return true;
		}

		protected virtual bool IsValidDataSource (IComponent component)
		{
			if (component == null)
				return false;

			return component is IDataSource;
		}
	}
}
#endif