private static object ReadPropertyValue(object element, ClientType resourceType, string[] srcPathSegments, int currentSegment)
{
if (element == null || currentSegment == srcPathSegments.Length)
{
return(element);
}
else
{
String srcPathPart = srcPathSegments[currentSegment];
ClientType.ClientProperty resourceProperty = resourceType.GetProperty(srcPathPart, true);
if (resourceProperty == null)
{
throw Error.InvalidOperation(Strings.EpmSourceTree_InaccessiblePropertyOnType(srcPathPart, resourceType.ElementTypeName));
}
if (resourceProperty.IsKnownType ^ (currentSegment == srcPathSegments.Length - 1))
{
throw Error.InvalidOperation(!resourceProperty.IsKnownType ? Strings.EpmClientType_PropertyIsComplex(resourceProperty.PropertyName) :
Strings.EpmClientType_PropertyIsPrimitive(resourceProperty.PropertyName));
}
PropertyInfo pi = element.GetType().GetProperty(srcPathPart, BindingFlags.Instance | BindingFlags.Public);
Debug.Assert(pi != null, "Cannot find property " + srcPathPart + "on type " + element.GetType().Name);
return(ReadPropertyValue(
pi.GetValue(element, null),
resourceProperty.IsKnownType ? null : ClientType.Create(resourceProperty.PropertyType),
srcPathSegments,
++currentSegment));
}
}
/// <summary>Checks whether a given property can be a complex property i.e. implements INotifyPropertyChanged.</summary>
/// <param name="property">Input property.</param>
/// <returns>true if the property is complex property, false otherwise.</returns>
private static bool CanBeComplexProperty(ClientType.ClientProperty property)
{
Debug.Assert(property != null, "property != null");
if (typeof(INotifyPropertyChanged).IsAssignableFrom(property.PropertyType))
{
Debug.Assert(!property.IsKnownType, "Known types do not implement INotifyPropertyChanged.");
return(true);
}
return(false);
}
