1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
//
// System.ComponentModel.CultureInfoConverter
//
// Authors:
// Martin Willemoes Hansen (mwh@sysrq.dk)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) 2003 Martin Willemoes Hansen
// (C) 2003 Andreas Nahr
//
//
// 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.Globalization;
using System.Reflection;
using System.ComponentModel.Design.Serialization;
namespace System.ComponentModel
{
public class CultureInfoConverter : TypeConverter
{
public CultureInfoConverter()
{
}
public override bool CanConvertFrom (ITypeDescriptorContext context,
Type sourceType)
{
if (sourceType == typeof (string))
return true;
return base.CanConvertFrom (context, sourceType);
}
public override bool CanConvertTo (ITypeDescriptorContext context,
Type destinationType)
{
if (destinationType == typeof (string))
return true;
if (destinationType == typeof (InstanceDescriptor))
return true;
return base.CanConvertTo (context, destinationType);
}
public override object ConvertFrom (ITypeDescriptorContext context,
CultureInfo culture, object value)
{
if (value.GetType() == typeof (string)) {
string CultureString = (String) value;
if (String.Compare (CultureString, "(default)", true) == 0) {
return CultureInfo.InvariantCulture;
}
try {
// try to create a new CultureInfo if form is RFC 1766
return new CultureInfo (CultureString);
} catch {
// try to create a new CultureInfo if form is verbose name
foreach (CultureInfo CI in CultureInfo.GetCultures (CultureTypes.AllCultures))
// LAMESPEC MS seems to use EnglishName (culture invariant) - check this
if (CI.EnglishName.ToString().IndexOf (CultureString) >= 0)
return CI;
}
throw new ArgumentException ("Culture incorrect or not available in this environment.", "value");
}
return base.ConvertFrom (context, culture, value);
}
public override object ConvertTo (ITypeDescriptorContext context,
CultureInfo culture, object value, Type destinationType)
{
if (destinationType == typeof (string) && value != null && (value is CultureInfo))
// LAMESPEC MS seems to use EnglishName (culture invariant) - check this
return ((CultureInfo) value).EnglishName;
if (destinationType == typeof (InstanceDescriptor) && value is CultureInfo) {
CultureInfo cval = (CultureInfo) value;
ConstructorInfo ctor = typeof(CultureInfo).GetConstructor (new Type[] {typeof(int)});
return new InstanceDescriptor (ctor, new object[] {cval.LCID});
}
return base.ConvertTo (context, culture, value, destinationType);
}
public override StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
{
return new StandardValuesCollection (CultureInfo.GetCultures (CultureTypes.AllCultures));
}
public override bool GetStandardValuesExclusive (ITypeDescriptorContext context)
{
return false;
}
public override bool GetStandardValuesSupported (ITypeDescriptorContext context)
{
return true;
}
}
}
|
