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;
34 using System.Reflection;
35 using System.ComponentModel.Design.Serialization;
37 namespace System.ComponentModel
39 public class CultureInfoConverter : TypeConverter
42 public CultureInfoConverter()
46 public override bool CanConvertFrom (ITypeDescriptorContext context,
49 if (sourceType == typeof (string))
51 return base.CanConvertFrom (context, sourceType);
54 public override bool CanConvertTo (ITypeDescriptorContext context,
57 if (destinationType == typeof (string))
59 if (destinationType == typeof (InstanceDescriptor))
61 return base.CanConvertTo (context, destinationType);
64 public override object ConvertFrom (ITypeDescriptorContext context,
65 CultureInfo culture, object value)
67 if (value.GetType() == typeof (string)) {
68 string CultureString = (String) value;
70 // try to create a new CultureInfo if form is RFC 1766
71 return new CultureInfo (CultureString);
73 // try to create a new CultureInfo if form is verbose name
74 foreach (CultureInfo CI in CultureInfo.GetCultures (CultureTypes.AllCultures))
75 // LAMESPEC MS seems to use EnglishName (culture invariant) - check this
76 if (CI.EnglishName.ToString().IndexOf (CultureString) > 0)
79 throw new ArgumentException ("Culture incorrect or not available in this environment.", "value");
81 return base.ConvertFrom (context, culture, value);
84 public override object ConvertTo (ITypeDescriptorContext context,
85 CultureInfo culture, object value, Type destinationType)
87 if (destinationType == typeof (string) && value != null && (value is CultureInfo))
88 // LAMESPEC MS seems to use EnglishName (culture invariant) - check this
89 return ((CultureInfo) value).EnglishName;
90 if (destinationType == typeof (InstanceDescriptor) && value is CultureInfo) {
91 CultureInfo cval = (CultureInfo) value;
92 ConstructorInfo ctor = typeof(CultureInfo).GetConstructor (new Type[] {typeof(int)});
93 return new InstanceDescriptor (ctor, new object[] {cval.LCID});
95 return base.ConvertTo (context, culture, value, destinationType);
98 public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
100 return new StandardValuesCollection (CultureInfo.GetCultures (CultureTypes.AllCultures));
103 public override bool GetStandardValuesExclusive (ITypeDescriptorContext context)
108 public override bool GetStandardValuesSupported (ITypeDescriptorContext context)