protected override void OnDisplaying(ContentPart element, ElementDisplayingContext context)
{
// Content is optional context, so if it's null, we can't render the part element.
// This typically only happens when the layout editor is used outside the context of
// a content item and still renders the various content part elements as part of the toolbox.
if (context.Content == null)
{
return;
}
var contentItem = context.Content.ContentItem;
var contentPartName = (string)element.Descriptor.StateBag["ElementTypeName"];
var contentPart = contentItem.Parts.FirstOrDefault(x => x.PartDefinition.Name == contentPartName);
if ((contentItem.Id == 0 || context.DisplayType == "Design") && context.Updater != null)
{
// The content item hasn't been stored yet, so bind form values with the content part to represent actual state.
var controller = (Controller)context.Updater;
var oldValueProvider = controller.ValueProvider;
controller.ValueProvider = context.Element.Data.ToValueProvider(_cultureAccessor.CurrentCulture);
_contentPartDisplay.UpdateEditor(contentPart, context.Updater);
_transactionManager.Cancel();
controller.ValueProvider = oldValueProvider;
}
var contentPartShape = _contentPartDisplay.BuildDisplay(contentPart, displayType: "Layout");
context.ElementShape.ContentPart = contentPart;
context.ElementShape.Content = contentPartShape;
}
private void IndexLayout(IndexContentContext context, LayoutPart part)
{
var layoutShape = _contentPartDisplay.BuildDisplay(part);
var layoutHtml = _shapeDisplay.Display(layoutShape);
context.DocumentIndex
.Add("body", layoutHtml).RemoveTags().Analyze()
.Add("format", "html").Store();
}
