protected override void WriteElement(DomElement element)
{
var frag = element as HxlElement;
if (frag != null)
{
WriteElementFragment(frag);
return;
}
// TODO Missing HTML settings and pretty print semantics
IHxlElementTemplate template = HxlElementTemplate.ProcessAttributesForTemplate(element, TemplateContext);
template = template ?? element.GetElementTemplate() ?? HxlElementTemplate.Default;
template.Render(element, this);
}
internal static IHxlElementTemplate ProcessAttributesForTemplate(DomElement element, HxlTemplateContext templateContext)
{
// TODO Cloning array is wasteful (performance)
// TODO If attributes are added, they aren't considered
// so if they are server attributes they don't get OnElementRendering_ (rare)
IHxlElementTemplate template = null;
// TODO Sort attributes by priority
// TODO Capture any attribute text output (uncommon)
foreach (var af in element.Attributes.OfType <HxlAttribute>().ToArray())
{
if (af != null)
{
// TODO Probably need to push context
template = af.OnElementRendering_(templateContext) ?? template;
}
}
return(template);
}
public static void SetElementTemplate(this DomElement element, IHxlElementTemplate template)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
if (template == null)
{
element.RemoveAnnotations <ElementTemplateAnnotation>();
return;
}
var result = element.Annotation <ElementTemplateAnnotation>();
if (result == null)
{
result = new ElementTemplateAnnotation();
element.AddAnnotation(result);
}
result.Template = template;
}
