/// <summary>
/// Creates the wrapper object property wrapper.
/// </summary>
private static PropertyDescriptor CreateWrapperObjectPropertyWrapper(TypeMetaData context, PropertyInfo property)
{
var actualReader = GetPropertyReader(property, context);
var actualWriter = GetPropertyWriter(property, context);
var reader = property.CanRead ? new Func <object, object>(o => actualReader.GetValue(o)) : null;
var writer = property.CanWrite ? new Action <object, object>((o, v) => actualWriter.SetValue(o, v)) : null;
var descriptor = new DelegatePropertyDescriptor(
property.Name,
property.DeclaringType,
property.PropertyType,
reader,
writer
);
return(descriptor);
}
/// <summary>
/// Creates the context.
/// </summary>
/// <returns></returns>
public static TypeMetaData GetFor(Type wrapperObjectType, Type wrappedObjectType)
{
lock (ContextsLock)
{
if (Contexts.ContainsKey(wrapperObjectType))
{
return(Contexts[wrapperObjectType]);
}
var result = new TypeMetaData();
var propertyNames = new List <string>();
foreach (var property in wrapperObjectType.GetProperties())
{
if (property.GetCustomAttributes(true).Any(a =>
a is BrowsableAttribute attribute && attribute.Browsable == false))
{
continue;
}
result.PropertyDescriptors.Add(CreateWrapperObjectPropertyWrapper(result, property));
result.AllKnownProperties.Add(property);
propertyNames.Add(property.Name);
}
foreach (var property in wrappedObjectType.GetProperties())
{
if (propertyNames.Contains(property.Name))
{
continue;
}
result.PropertyDescriptors.Add(CreateWrappedObjectPropertyWrapper(result, property));
result.AllKnownProperties.Add(property);
}
Contexts.Add(wrapperObjectType, result);
return(Contexts[wrapperObjectType]);
}
}
/// <summary>
/// Gets the property writer.
/// </summary>
private static IDelegatePropertyWriter GetPropertyWriter(PropertyInfo property, TypeMetaData context)
{
var actualWriter = DelegatePropertyFactory.CreatePropertyWriter(property);
if (actualWriter != null)
{
context.PropertyWriters.Add(property, actualWriter);
}
return(actualWriter);
}
