public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string s && GetEntityReferenceType(context) is Type erefType)
{
var tail = s.IndexOf('(');
if (tail >= 0)
{
s = s.Substring(0, tail);
}
s = s.Trim();
if (int.TryParse(s, out var n))
{
return(Activator.CreateInstance(erefType, n));
}
var game = GetGame(context);
if (game != null)
{
var entityType = erefType.GenericTypeArguments[0];
var entities = game.Entities.GetEntities(entityType).OfType <IHasId>();
var entity = entities.FirstOrDefault(ent => ent.Id == s);
if (entity == null)
{
throw new IndexOutOfRangeException(
$"There is no {FriendlyNames.Singular(entityType)} with ID '{s}'");
}
return(Activator.CreateInstance(erefType, entity));
}
}
return(base.ConvertFrom(context, culture, value));
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != typeof(string) || !(value is System.Collections.ICollection coll))
{
return(base.ConvertTo(context, culture, value, destinationType));
}
return(FriendlyNames.Describe(coll));
}
} // ServiceProvider
public static UiContentProviderFriendlyNames FromXmlConfiguration(FriendlyNames friendlyNames, IEnumerable <string> uiCultures)
{
if (friendlyNames == null)
{
throw new ArgumentNullException();
}
if (uiCultures == null)
{
throw new ArgumentNullException();
}
var result = new UiContentProviderFriendlyNames();
result.ServiceProvider = FromSpFriendlyNames(friendlyNames.Providers, uiCultures);
return(result);
} // FromXmlConfiguration
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != typeof(string))
{
return(base.ConvertTo(context, culture, value, destinationType));
}
switch (value)
{
case IHasName hasName:
return(hasName.Name);
case IHasId hasId:
return(hasId.Id);
default:
return(FriendlyNames.Describe(value));
}
}
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
if (destinationType != typeof(string))
{
return(base.ConvertTo(context, culture, value, destinationType));
}
switch (value)
{
case IHasId hasId:
return(hasId.Id);
case EntityDefinition def:
return(FriendlyNames.Singular(def.EntityType) + " definition #" + def.Index);
default:
return(null);
}
}
private string GetFriendlyName(string name)
{
return(FriendlyNames?.ContainsKey(name) == true ? FriendlyNames[name] : name);
}
