private static FluentTagBuilder BuildTags(this TreeNodes nodes)
{
var ulTag = new FluentTagBuilder("ul");
foreach (var node in nodes)
{
var liTag = new FluentTagBuilder("li")
.If(node.Value.IsActive).AddCssClass(ActiveNodeCssClassName);
var spanTag = new FluentTagBuilder("span")
.SetInnerText(node.Value.Title)
.If(!String.IsNullOrWhiteSpace(node.Value.Description)).SetAttribute("title", node.Value.Description);
// if we have a url then enclose the span tag in an a tag
if (!String.IsNullOrWhiteSpace(node.Value.Url))
{
var aTag = new FluentTagBuilder("a")
.SetAttribute("href", node.Value.Url)
.If(node.Value.OpenInNewWindow).SetAttribute("target", "_blank")
.AddInnerTag(spanTag);
liTag.AddInnerTag(aTag);
}
else
{
liTag.AddInnerTag(spanTag);
}
liTag.If(node.Children.Any()).AddInnerTag(node.Children.BuildTags());
ulTag.AddInnerTag(liTag);
}
return(ulTag);
}
private static MvcHtmlString BuildHtml(this TreeNodes nodes, string cssClassName)
{
var treeNodes = nodes as List <ITreeNode <NavigationItem> > ?? nodes.ToList();
if (nodes == null || !treeNodes.Any())
{
return(MvcHtmlString.Empty);
}
var tags = treeNodes.BuildTags();
var parent = new FluentTagBuilder("nav")
.AddCssClass(cssClassName)
.AddInnerTag(tags);
return(new MvcHtmlString(parent.ToString()));
}
public FluentTagBuilder AddInnerTag(FluentTagBuilder tag)
{
return(Operate(() => _builder.InnerHtml += tag.ToString()));
}
