private void AppendChildren(Category parent, ref StringBuilder html)
{
string rootCss = "";
List <Category> childCategories;
if (parent == null)
{
//childCategories = RootCategories;
childCategories = CategoryCollection.GetTopLevelCategories(storeId, IncludeHiddenCategories);
rootCss = CssClassForOuterList;
}
else
{
childCategories = parent.GetChildCategoriesInSortedOrder(IncludeHiddenCategories).ToList();
}
if (childCategories.Count > 0)
{
html.AppendFormat("<{0}{1}>", containingElementTag, !string.IsNullOrEmpty(rootCss) ? " class=\"" + rootCss + "\"" : "");
foreach (Category child in childCategories)
{
html.AppendFormat(@"<{0} id=""{1}""{2}>{3}", itemElementTag, htmlPrefixCategoryId + child.Id, GetCategoryCssAttribute(child), GetCategoryName(child));
if (!MaxNestingLevel.HasValue || (child.NestingLevel.Value < MaxNestingLevel.Value))
{
AppendChildren(child, ref html);
}
html.AppendFormat("</{0}>", itemElementTag);
}
html.AppendFormat("</{0}>", containingElementTag);
}
}