public override object TransformPlaceholderElement(RenderedPlaceholderElement element)
{
var transformedElement = base.TransformPlaceholderElement(element);
var renderingConfigurationName = GetRenderingConfigurationName(element);
var args = new TransformPlaceholderElementPipelineArgs(element, renderingConfigurationName, transformedElement);
_pipelineManager.Run(PipelineName, args, GroupName);
return(args.Result);
}
private bool ContainsRecursiveRenderedRendering(
Item item,
RenderedPlaceholderElement renderedItemElement,
IRenderingConfiguration renderingConfiguration,
int nestingLevel = 0,
bool itemRendered = false)
{
if (!(renderedItemElement is RenderedJsonRendering rendering) ||
string.IsNullOrEmpty(rendering.DataSource))
{
return(false);
}
var datasourceId = GetIdFromDataSource(item, rendering);
if (datasourceId == item.ID && nestingLevel > 1 || nestingLevel > 15)
{
return(true);
}
nestingLevel++;
if (!string.IsNullOrEmpty(rendering.DataSource) &&
rendering.RenderingName == Constants.SnippetRenderingName &&
item.TemplateID == Constants.SnippedItemTemplateId &&
!itemRendered)
{
if (CheckSnippetsContainsRecursiveElements(item, renderingConfiguration, nestingLevel, rendering))
{
return(true);
}
}
if (rendering.Placeholders == null)
{
return(false);
}
foreach (var renderingPlaceholder in rendering.Placeholders)
{
if (renderingPlaceholder.Elements.Any(
renderingPlaceholderElement => ContainsRecursiveRenderedRendering(
item,
renderingPlaceholderElement,
renderingConfiguration,
nestingLevel)))
{
return(true);
}
}
return(false);
}
private bool GetSnippetComponentCondition(Item item, RenderedPlaceholderElement element, Guid?parentItemId)
{
if (!(element is RenderedJsonRendering renderedJsonRendering) || string.IsNullOrEmpty(renderedJsonRendering.DataSource))
{
return(false);
}
var datasourceId = GetIdFromDataSource(item, renderedJsonRendering);
bool result = renderedJsonRendering.RenderingName == Constants.SnippetRenderingName &&
datasourceId != item.ID && (!parentItemId.HasValue || datasourceId != new ID(parentItemId.Value));
return(result);
}
public TransformPlaceholderElementPipelineArgs(RenderedPlaceholderElement element, string renderingConfigurationName, dynamic transformedElement)
{
Element = element ?? throw new ArgumentNullException(nameof(element));
RenderingConfigurationName = renderingConfigurationName ?? throw new ArgumentNullException(nameof(renderingConfigurationName));
Result = transformedElement ?? throw new ArgumentNullException(nameof(transformedElement));
}
private static string GetRenderingConfigurationName(RenderedPlaceholderElement element)
{
return((element as ExtensibleRenderedJsonRendering)?.RenderingConfigurationName ?? string.Empty);
}
