public static void UpdateValue <T>(this T targetNode, IModelNode sourceNode, params Expression <Func <T, object> >[] expressions) where T : IModelNode
{
foreach (var expression in expressions)
{
var attributeName = targetNode.GetPropertyName(expression);
if (sourceNode.HasValue(attributeName))
{
var value = sourceNode.GetValue <T>(attributeName);
sourceNode.ClearValue(attributeName);
targetNode.SetValue(attributeName, value);
}
}
}
public static bool HasValue(this IModelNode modelNode, params Type[] interfacesToSearch)
{
var valueInfos = ((ModelNode)modelNode).NodeInfo.ValuesInfo;
string[] namesToSearch = valueInfos.Select(info => info.Name).ToArray();
if (interfacesToSearch != null)
{
namesToSearch = interfacesToSearch.SelectMany(type => type.Properties()).Select(info => info.Name).ToArray();
}
return(valueInfos.Where(info => namesToSearch.Contains(info.Name)).Select(info => modelNode.HasValue(info.Name)).Any());
}
protected virtual object GetNodeValueCore(IModelNode modelNode, string name)
{
return(modelNode.HasValue(name) ? modelNode.GetValue(name) : null);
}