public static PropertyTreeMetaObject Create(Type componentType)
{
if (componentType == null)
{
throw new ArgumentNullException("componentType");
}
if (componentType == typeof(Type))
{
return(new TypeMetaObject());
}
var ct = componentType.GetTypeInfo();
if (ct.IsGenericType && ct.GetGenericTypeDefinition() == typeof(Template <>))
{
return(TemplateMetaObject.FromTemplateType(componentType));
}
if (componentType == typeof(ITemplate))
{
return(new UntypedToTypedMetaObject(typeof(ITemplate),
t => TemplateMetaObject.FromInstanceType(null, t.Single())));
}
return(new PreactivationMetaObject(componentType));
}
private TemplateMetaObject(TemplateMetaObject parent, Type componentType)
: base(parent)
{
if (componentType.IsGenericType && componentType.GetGenericTypeDefinition() == typeof(ITemplate<>))
throw new ArgumentException();
this.componentType = componentType;
}
private TemplateMetaObject(TemplateMetaObject parent, Type componentType) : base(parent)
{
if (typeof(ITemplate).GetTypeInfo().IsAssignableFrom(componentType))
{
// Can't be a "template of a template"
throw new ArgumentException();
}
this.componentType = componentType;
}
public static TemplateMetaObject FromInstanceType(TemplateMetaObject parent, Type componentType)
{
return(new TemplateMetaObject(parent, componentType));
}
public static TemplateMetaObject FromInstanceType(TemplateMetaObject parent, Type componentType)
{
return new TemplateMetaObject(parent, componentType);
}
