private static void LoadAllAttachingProviders()
{
foreach (string name in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
var provider = ElementAttachingProviderPluginFacade.GetElementAttachingProvider(name);
}
}
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 string GetElementAttachingProviderName()
{
foreach (string providerName in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
var provider = ElementAttachingProviderPluginFacade.GetElementAttachingProvider(providerName);
if (provider is TreeElementAttachingProvider)
{
return(providerName);
}
}
return(null);
}
public static bool HaveCustomChildElements(EntityToken parentEntityToken, Dictionary <string, string> piggybag)
{
foreach (string providerName in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
bool result = ElementAttachingProviderPluginFacade.HaveCustomChildElements(providerName, parentEntityToken, piggybag);
if (result)
{
return(true);
}
}
return(false);
}
private static IEnumerable <Element> GetChildrenFromProvider(ElementHandle elementHandle, SearchToken searchToken, bool useForeign)
{
if (ElementProviderRegistry.ElementProviderNames.Contains(elementHandle.ProviderName))
{
if (!useForeign || !ElementProviderPluginFacade.IsLocaleAwareElementProvider(elementHandle.ProviderName))
{
return(ElementProviderPluginFacade.GetChildren(elementHandle.ProviderName, elementHandle.EntityToken, searchToken));
}
return(ElementProviderPluginFacade.GetForeignChildren(elementHandle.ProviderName, elementHandle.EntityToken, searchToken));
}
if (ElementAttachingProviderRegistry.ElementAttachingProviderNames.Contains(elementHandle.ProviderName))
{
return(ElementAttachingProviderPluginFacade.GetChildren(elementHandle.ProviderName, elementHandle.EntityToken, elementHandle.Piggyback));
}
throw new InvalidOperationException($"No element provider named '{elementHandle.ProviderName}' found");
}
public static void Initialize(string elementAttachingProviderName = null)
{
if (_sharedRootFolders != null)
{
return;
}
lock (_lock)
{
if (_sharedRootFolders != null)
{
return;
}
if (_elementAttachingProviderName == null)
{
if (elementAttachingProviderName == null)
{
foreach (string providerName in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
IElementAttachingProvider elementAttachingProvider = ElementAttachingProviderPluginFacade.GetElementAttachingProvider(providerName);
if (elementAttachingProvider is TreeElementAttachingProvider)
{
_elementAttachingProviderName = providerName;
break;
}
}
}
else
{
_elementAttachingProviderName = elementAttachingProviderName;
}
}
DoInitialize(_elementAttachingProviderName);
}
}
public static IEnumerable <Element> AttachElements(EntityToken parentEntityToken, Dictionary <string, string> piggybag, IEnumerable <Element> currentElements)
{
var topResults = new List <ElementAttachingProviderResult>();
var bottomResults = new List <ElementAttachingProviderResult>();
foreach (string providerName in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
if (!ElementAttachingProviderPluginFacade.IsMultipleResultElementAttachingProvider(providerName))
{
var result = ElementAttachingProviderPluginFacade.GetAlternateElementList(providerName, parentEntityToken, piggybag);
if (result?.Elements == null)
{
continue;
}
if (result.Position == ElementAttachingProviderPosition.Top)
{
topResults.Add(result);
}
else if (result.Position == ElementAttachingProviderPosition.Bottom)
{
bottomResults.Add(result);
}
}
else
{
var results = ElementAttachingProviderPluginFacade.GetAlternateElementLists(providerName, parentEntityToken, piggybag);
if (results == null)
{
continue;
}
foreach (ElementAttachingProviderResult result in results)
{
if (result?.Elements == null)
{
continue;
}
if (result.Position == ElementAttachingProviderPosition.Top)
{
topResults.Add(result);
}
else if (result.Position == ElementAttachingProviderPosition.Bottom)
{
bottomResults.Add(result);
}
}
}
}
Comparison <ElementAttachingProviderResult> sortMethod =
(r1, r2) => r2.PositionPriority - r1.PositionPriority;
topResults.Sort(sortMethod);
bottomResults.Sort(sortMethod);
IEnumerable <Element> topElements = null;
foreach (var result in topResults)
{
topElements = topElements.ConcatOrDefault(result.Elements);
}
IEnumerable <Element> bottomElements = null;
foreach (var result in bottomResults)
{
bottomElements = bottomElements.ConcatOrDefault(result.Elements);
}
return(topElements
.ConcatOrDefault(currentElements)
.ConcatOrDefault(bottomElements));
}
public static IEnumerable <Element> AttachElements(EntityToken parentEntityToken, Dictionary <string, string> piggybag, IEnumerable <Element> currentElements)
{
List <ElementAttachingProviderResult> topResults = new List <ElementAttachingProviderResult>();
List <ElementAttachingProviderResult> bottomResults = new List <ElementAttachingProviderResult>();
foreach (string providerName in ElementAttachingProviderRegistry.ElementAttachingProviderNames)
{
if (ElementAttachingProviderPluginFacade.IsMultibleResultElementAttachingProvider(providerName) == false)
{
ElementAttachingProviderResult result = ElementAttachingProviderPluginFacade.GetAlternateElementList(providerName, parentEntityToken, piggybag);
if ((result == null) || (result.Elements == null))
{
continue;
}
if (result.Position == ElementAttachingProviderPosition.Top)
{
topResults.Add(result);
}
else if (result.Position == ElementAttachingProviderPosition.Bottom)
{
bottomResults.Add(result);
}
}
else
{
IEnumerable <ElementAttachingProviderResult> results = ElementAttachingProviderPluginFacade.GetAlternateElementLists(providerName, parentEntityToken, piggybag);
if (results == null)
{
continue;
}
foreach (ElementAttachingProviderResult result in results)
{
if ((result == null) || (result.Elements == null))
{
continue;
}
if (result.Position == ElementAttachingProviderPosition.Top)
{
topResults.Add(result);
}
else if (result.Position == ElementAttachingProviderPosition.Bottom)
{
bottomResults.Add(result);
}
}
}
}
Comparison <ElementAttachingProviderResult> sortMethod = delegate(ElementAttachingProviderResult r1, ElementAttachingProviderResult r2) { return(r2.PositionPriority - r1.PositionPriority); };
topResults.Sort(sortMethod);
bottomResults.Sort(sortMethod);
IEnumerable <Element> topElements = null;
foreach (ElementAttachingProviderResult result in topResults)
{
if (topElements == null)
{
topElements = result.Elements;
}
else
{
topElements = topElements.Concat(result.Elements);
}
}
IEnumerable <Element> bottomElements = null;
foreach (ElementAttachingProviderResult result in bottomResults)
{
if (bottomElements == null)
{
bottomElements = result.Elements;
}
else
{
bottomElements = bottomElements.Concat(result.Elements);
}
}
IEnumerable <Element> resultElements = topElements;
if (resultElements == null)
{
resultElements = currentElements;
}
else
{
resultElements = resultElements.Concat(currentElements);
}
if (bottomElements != null)
{
resultElements = resultElements.Concat(bottomElements);
}
return(resultElements);
}
