HelloWorldHtmlConventions.cs

public class HelloWorldHtmlConventions : DefaultHtmlConventions
{
	private readonly ValidationGraph _graph;
	public HelloWorldHtmlConventions(ValidationGraph graph)
	{
		_graph = graph;

		Editors
			.If(a => a.Accessor.FieldName.Contains("Password"))
			.Modify(t => t.Attr("type", "password"));

		Editors
			.Always
			.Modify(ModifyWithValidationGraph);
	}

	private void ModifyWithValidationGraph(ElementRequest request, HtmlTag tag)
	{
		// check for partials
		var modelType = (request.Accessor is SingleProperty) 
			? request.Model.GetType() 
			: request.Accessor.OwnerType;

		var calls = _graph
			.FindChain(modelType)
			.CallsFor(request.Accessor.FieldName);

		calls
			.Where(call => !typeof(ComparisonValidationRule<>).IsAssignableFrom(call.RuleType))
			.Each(call => tag.Modify(t => t.AddClass(call.ToRuleDef().Name.ToLower())));

		tag.Attr("id", request.ElementId);
	}
}