public static string GetName(this swm.LanguageSpecificStringDictionary nameDictionary, string ietfLanguageTag)
{
return(CustomControls.FontDialog.NameDictionaryExtensions.GetName(nameDictionary, ietfLanguageTag));
}
/// <summary>
/// ConvertTo - Converts the specified object to an instance of the specified type.
/// </summary>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (null == value)
{
throw new ArgumentNullException("value");
}
FontFamily fontFamily = value as FontFamily;
if (fontFamily == null)
{
throw new ArgumentException(SR.Get(SRID.General_Expected_Type, "FontFamily"), "value");
}
if (null == destinationType)
{
throw new ArgumentNullException("destinationType");
}
if (destinationType == typeof(string))
{
if (fontFamily.Source != null)
{
// Usual case: it's a named font family.
return(fontFamily.Source);
}
else
{
// If client calls typeConverter.CanConvertTo(typeof(string)) then we'll return
// true always, even though we don't have access to the FontFamily instance; so
// we need to be able to return some kind of family name even if Source==null.
string name = null;
CultureInfo parentCulture = null;
if (culture != null)
{
if (culture.Equals(CultureInfo.InvariantCulture))
{
culture = null;
}
else
{
parentCulture = culture.Parent;
if (parentCulture != null &&
(parentCulture.Equals(CultureInfo.InvariantCulture) || parentCulture == culture))
{
parentCulture = null;
}
}
}
// Try looking up the name in the FamilyNames dictionary.
LanguageSpecificStringDictionary names = fontFamily.FamilyNames;
if (culture != null && names.TryGetValue(XmlLanguage.GetLanguage(culture.IetfLanguageTag), out name))
{
// LanguageSpecificStringDictionary does not allow null string to be added.
Debug.Assert(name != null);
}
else if (parentCulture != null && names.TryGetValue(XmlLanguage.GetLanguage(parentCulture.IetfLanguageTag), out name))
{
// LanguageSpecificStringDictionary does not allow null string to be added.
Debug.Assert(name != null);
}
else if (names.TryGetValue(XmlLanguage.Empty, out name))
{
// LanguageSpecificStringDictionary does not allow null string to be added.
Debug.Assert(name != null);
}
else
{
// Try the first target font compatible with the culture.
foreach (FontFamilyMap familyMap in fontFamily.FamilyMaps)
{
if (FontFamilyMap.MatchCulture(familyMap.Language, culture))
{
name = familyMap.Target;
break;
}
}
// Use global ui as a last resort.
if (name == null)
{
name = FontFamily.GlobalUI;
}
}
return(name);
}
}
return(base.ConvertTo(context, culture, value, destinationType));
}
public static string GetDisplayName(this swm.LanguageSpecificStringDictionary nameDictionary)
{
return(CustomControls.FontDialog.NameDictionaryExtensions.GetDisplayName(nameDictionary));
}
