private static IEnumerable <Element> GetChildren(ElementHandle elementHandle, SearchToken searchToken, bool performSecurityCheck, bool useForeign)
{
if (elementHandle == null)
{
throw new ArgumentNullException("elementHandle");
}
IPerformanceCounterToken performanceToken = PerformanceCounterFacade.BeginElementCreation();
IEnumerable <Element> children;
if (ElementProviderRegistry.ElementProviderNames.Contains(elementHandle.ProviderName))
{
if ((useForeign == false) || (ElementProviderPluginFacade.IsLocaleAwareElementProvider(elementHandle.ProviderName) == false))
{
children = ElementProviderPluginFacade.GetChildren(elementHandle.ProviderName, elementHandle.EntityToken, searchToken).Evaluate();
}
else
{
children = ElementProviderPluginFacade.GetForeignChildren(elementHandle.ProviderName, elementHandle.EntityToken, searchToken).Evaluate();
}
}
else if (ElementAttachingProviderRegistry.ElementAttachingProviderNames.Contains(elementHandle.ProviderName))
{
children = ElementAttachingProviderPluginFacade.GetChildren(elementHandle.ProviderName, elementHandle.EntityToken, elementHandle.Piggyback).Evaluate();
}
else
{
throw new InvalidOperationException(string.Format("No element provider named '{0}' found", elementHandle.ProviderName));
}
foreach (Element element in children)
{
if (element.VisualData.HasChildren == false)
{
element.VisualData.HasChildren = ElementAttachingProviderFacade.HaveCustomChildElements(element.ElementHandle.EntityToken, element.ElementHandle.Piggyback);
}
}
children = ElementAttachingProviderFacade.AttachElements(elementHandle.EntityToken, elementHandle.Piggyback, children).Evaluate();
int totalElementCount = children.Count();
ElementActionProviderFacade.AddActions(children, elementHandle.ProviderName);
if (performSecurityCheck)
{
children = children.FilterActions().Evaluate();
}
PerformanceCounterFacade.EndElementCreation(performanceToken, children.Count(), totalElementCount);
return(children);
}
private static IEnumerable <Element> GetChildren(ElementHandle elementHandle, SearchToken searchToken, bool performSecurityCheck, bool useForeign)
{
Verify.ArgumentNotNull(elementHandle, nameof(elementHandle));
var performanceToken = PerformanceCounterFacade.BeginElementCreation();
var children = GetChildrenFromProvider(elementHandle, searchToken, useForeign).Evaluate();
var originalChildren = children;
children = ElementAttachingProviderFacade.AttachElements(elementHandle.EntityToken, elementHandle.Piggyback, children).Evaluate();
int totalElementCount = children.Count;
if (performSecurityCheck)
{
children = children.FilterElements().Evaluate();
}
// Evaluating HasChildren for not attached elements
foreach (Element element in originalChildren)
{
if (children.Contains(element) && !element.VisualData.HasChildren)
{
element.VisualData.HasChildren = ElementAttachingProviderFacade.HaveCustomChildElements(element.ElementHandle.EntityToken, element.ElementHandle.Piggyback);
}
}
ElementActionProviderFacade.AddActions(children, elementHandle.ProviderName);
if (performSecurityCheck)
{
children = children.FilterActions().Evaluate();
}
PerformanceCounterFacade.EndElementCreation(performanceToken, children.Count, totalElementCount);
return(children);
}