2 // System.Web.UI.MinimizableAttributeTypeConvert.cs
5 // Chris Toshok (toshok@ximian.com)
7 // (C) 2005 Novell, Inc.
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Globalization;
31 using System.ComponentModel;
34 namespace System.Web.UI {
35 internal class MinimizableAttributeTypeConverter : TypeConverter {
37 public MinimizableAttributeTypeConverter ()
41 public override bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
43 if (sourceType == typeof (string))
46 return base.CanConvertFrom (context, sourceType);
49 public override object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
51 if (value is string && destinationType == typeof (bool)) {
54 if (value is bool && destinationType == typeof (string))
55 return ((Boolean) value).ToString (culture);
57 return base.ConvertTo (context, culture, value, destinationType);
60 public override object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
64 throw new NotSupportedException ("MinimizableAttributeTypeConverter cannot convert from (null)");
67 Type t = value.GetType ();
68 if (t == typeof (string))
69 return ((string)value) != String.Empty;
71 if (t == typeof (bool))
74 return base.ConvertFrom (context, culture, value);