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//
// System.Web.UI.MinimizableAttributeTypeConvert.cs
//
// Authors:
// Chris Toshok (toshok@ximian.com)
//
// (C) 2005-2010 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 System;
using System.Globalization;
using System.ComponentModel;
namespace System.Web.UI
{
internal class MinimizableAttributeTypeConverter : TypeConverter
{
public MinimizableAttributeTypeConverter ()
{
}
public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
{
if (sourceType == typeof (string))
return true;
return base.CanConvertFrom (context, sourceType);
}
public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (value is string && destinationType == typeof (bool)) {
return value != null;
}
if (value is bool && destinationType == typeof (string))
return ((Boolean) value).ToString (culture);
return base.ConvertTo (context, culture, value, destinationType);
}
public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
{
string typeName;
if (value != null) {
Type t = value.GetType ();
if (t == typeof (string)) {
string s = value as string;
if (String.IsNullOrEmpty (s) || String.Compare (s, "false", StringComparison.OrdinalIgnoreCase) == 0)
return false;
else
return true;
}
typeName = t.FullName;
} else
typeName = "null";
throw new NotSupportedException (String.Format ("MinimizableAttributeTypeConverter cannot convert from {0}", typeName));
}
}
}
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