public static K GetTypeConfig <T, K>(Expression <Func <T, object> > field, Context context, T model)
where K : AbstractTypeConfiguration, new()
{
MemberExpression memberExpression;
var finalTarget = GetTargetObjectOfLamba(field, model, out memberExpression);
if (context == null)
{
throw new NullReferenceException("Context cannot be null");
}
var config = context.GetTypeConfiguration <K>(finalTarget);
return(config);
}
public static AbstractPropertyConfiguration GetGlassProperty <T, K>(
Expression <Func <T, object> > field,
Context context,
T model) where K : AbstractTypeConfiguration, new()
{
MemberExpression memberExpression;
var finalTarget = GetTargetObjectOfLamba(field, model, out memberExpression);
if (context == null)
{
throw new NullReferenceException("Context cannot be null");
}
var config = context.GetTypeConfiguration <K>(finalTarget);
//lambda expression does not always return expected memberinfo when inheriting
//c.f. http://stackoverflow.com/questions/6658669/lambda-expression-not-returning-expected-memberinfo
var prop = config.Type.GetProperty(memberExpression.Member.Name);
//interfaces don't deal with inherited properties well
if (prop == null && config.Type.IsInterface)
{
Func <Type, PropertyInfo> interfaceCheck = null;
interfaceCheck = (inter) =>
{
var interfaces = inter.GetInterfaces();
var properties =
interfaces.Select(x => x.GetProperty(memberExpression.Member.Name)).Where(
x => x != null);
if (properties.Any())
{
return(properties.First());
}
else
{
return(interfaces.Select(x => interfaceCheck(x)).FirstOrDefault(x => x != null));
}
};
prop = interfaceCheck(config.Type);
}
if (prop != null && prop.DeclaringType != prop.ReflectedType)
{
//properties mapped in data handlers are based on declaring type when field is inherited, make sure we match
prop = prop.DeclaringType.GetProperty(prop.Name);
}
if (prop == null)
{
throw new MapperException(
"Page editting error. Could not find property {0} on type {1}".Formatted(
memberExpression.Member.Name, config.Type.FullName));
}
//ME - changed this to work by name because properties on interfaces do not show up as declared types.
var dataHandler = config.Properties.FirstOrDefault(x => x.PropertyInfo.Name == prop.Name);
if (dataHandler == null)
{
throw new MapperException(
"Page editing error. Could not find data handler for property {2} {0}.{1}".Formatted(
prop.DeclaringType, prop.Name, prop.MemberType));
}
return(dataHandler);
}
