public static HtmlTag AddValidationMessage(HtmlTag tag, ModelInfo info)
{
if (tag.HasChild<ValidationMessageTag>()) return tag;
var input = tag.FirstNonHiddenInput();
if (input == null) return tag;
var validator = info.ConventionsRegistry().Validation.GenerateTags(info);
//input.CreateValidationTag(info);
var parent = input.Parent;
var res = tag;
if (parent == null)
{
parent = HtmlTag.Placeholder();
parent.Append(tag);
res = parent;
}
var pos = input.PositionAsChild();
validator.RegisterParent(parent);
parent.Children.Insert(pos + 1, validator);
return res;
}
public static HtmlTag AddEditorLabel(HtmlTag tag, ModelInfo info)
{
if (tag.HasChild<LabelTag>()) return tag;
var input = tag.FirstNonHiddenInput();
if (input == null) return tag;
var label = info.ConventionsRegistry().Labels.GenerateTags(info);
var parent = input.Parent;
var res = tag;
if (parent == null)
{
parent = HtmlTag.Placeholder();
parent.Append(tag);
res = parent;
}
var pos = input.PositionAsChild();
if (pos == 0) pos = 1;
label.RegisterParent(parent);
parent.Children.Insert(pos - 1, label);
return res;
}