2 // System.ComponentModel.CultureInfoConverter
5 // Martin Willemoes Hansen (mwh@sysrq.dk)
6 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
8 // (C) 2003 Martin Willemoes Hansen
9 // (C) 2003 Andreas Nahr
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System
.Globalization
;
35 namespace System
.ComponentModel
37 public class CultureInfoConverter
: TypeConverter
40 public CultureInfoConverter()
44 public override bool CanConvertFrom (ITypeDescriptorContext context
,
47 if (sourceType
== typeof (string))
49 return base.CanConvertFrom (context
, sourceType
);
52 public override bool CanConvertTo (ITypeDescriptorContext context
,
55 if (destinationType
== typeof (string))
57 return base.CanConvertTo (context
, destinationType
);
60 public override object ConvertFrom (ITypeDescriptorContext context
,
61 CultureInfo culture
, object value)
63 if (value.GetType() == typeof (string)) {
64 string CultureString
= (String
) value;
66 // try to create a new CultureInfo if form is RFC 1766
67 return new CultureInfo (CultureString
);
69 // try to create a new CultureInfo if form is verbose name
70 foreach (CultureInfo CI
in CultureInfo
.GetCultures (CultureTypes
.AllCultures
))
71 // LAMESPEC MS seems to use EnglishName (culture invariant) - check this
72 if (CI
.EnglishName
.ToString().IndexOf (CultureString
) > 0)
75 throw new ArgumentException ("Culture incorrect or not available in this environment.", "value");
77 return base.ConvertFrom (context
, culture
, value);
80 public override object ConvertTo (ITypeDescriptorContext context
,
81 CultureInfo culture
, object value, Type destinationType
)
83 if (destinationType
== typeof (string) && value != null && (value is CultureInfo
))
84 // LAMESPEC MS seems to use EnglishName (culture invariant) - check this
85 return ((CultureInfo
) value).EnglishName
;
86 return base.ConvertTo (context
, culture
, value, destinationType
);
89 public override StandardValuesCollection
GetStandardValues (ITypeDescriptorContext context
)
91 return new StandardValuesCollection (CultureInfo
.GetCultures (CultureTypes
.AllCultures
));
94 public override bool GetStandardValuesExclusive (ITypeDescriptorContext context
)
99 public override bool GetStandardValuesSupported (ITypeDescriptorContext context
)