/// <summary>
/// Creates the context.
/// </summary>
/// <returns></returns>
public static TypeMetaData GetFor(Type wrapperObjectType, Type wrappedObjectType)
{
lock (_contextsLock)
{
if (!_contexts.ContainsKey(wrapperObjectType))
{
TypeMetaData result = new TypeMetaData();
List<string> propertyNames = new List<string>();
foreach (PropertyInfo property in wrapperObjectType.GetProperties())
{
if (property.GetCustomAttributes(true).Where(a => a is BrowsableAttribute && ((BrowsableAttribute)a).Browsable == false).Count() == 0)
{
result.PropertyDescriptors.Add(CreateWrapperObjectPropertyWrapper(result, property));
result.AllKnownProperties.Add(property);
propertyNames.Add(property.Name);
}
}
foreach (PropertyInfo property in wrappedObjectType.GetProperties())
{
if (!propertyNames.Contains(property.Name))
{
result.PropertyDescriptors.Add(CreateWrappedObjectPropertyWrapper(result, property));
result.AllKnownProperties.Add(property);
}
}
_contexts.Add(wrapperObjectType, result);
}
return _contexts[wrapperObjectType];
}
}
/// <summary>
/// Creates the wrapper object property wrapper.
/// </summary>
private static PropertyDescriptor CreateWrapperObjectPropertyWrapper(TypeMetaData context, PropertyInfo property)
{
IDelegatePropertyReader actualReader = GetPropertyReader(property, context);
IDelegatePropertyWriter actualWriter = GetPropertyWriter(property, context);
Func<object, object> reader = property.CanRead ? new Func<object, object>(o => actualReader.GetValue(o)) : null;
Action<object, object> writer = property.CanWrite ? new Action<object, object>((o, v) => actualWriter.SetValue(o, v)) : null;
DelegatePropertyDescriptor descriptor = new DelegatePropertyDescriptor(
property.Name,
property.DeclaringType,
property.PropertyType,
reader,
writer
);
return descriptor;
}
/// <summary>
/// Initializes a new instance of the <see cref="DesignTimeTypeDescriptor"/> class.
/// </summary>
/// <param name="objectType">Type of the object.</param>
/// <param name="instance">The instance.</param>
public EditableTypeDescriptor(Type objectType)
{
Type wrapperObjectType = objectType;
Type wrappedObjectType = objectType;
Type baseType = wrapperObjectType.BaseType;
while (baseType != null && baseType != typeof(object))
{
if (baseType.Name == typeof(EditableAdapter<>).Name
&& baseType.GetGenericArguments().Length > 0)
{
wrappedObjectType = baseType.GetGenericArguments()[0];
break;
}
baseType = baseType.BaseType;
}
_context = TypeMetaDataRepository.GetFor(wrapperObjectType, wrappedObjectType);
}
/// <summary>
/// Gets the property writer.
/// </summary>
private static IDelegatePropertyWriter GetPropertyWriter(PropertyInfo property, TypeMetaData context)
{
IDelegatePropertyWriter actualWriter = DelegatePropertyFactory.CreatePropertyWriter(property);
if (actualWriter != null)
{
context.PropertyWriters.Add(property, actualWriter);
}
return(actualWriter);
}
/// <summary>
/// Gets the property writer.
/// </summary>
private static IDelegatePropertyWriter GetPropertyWriter(PropertyInfo property, TypeMetaData context)
{
IDelegatePropertyWriter actualWriter = DelegatePropertyFactory.CreatePropertyWriter(property);
if (actualWriter != null)
{
context.PropertyWriters.Add(property, actualWriter);
}
return actualWriter;
}
