public IEncodedString BreadCrumb()
{
var builder = new EncodedStringBuilder();
var stack = new Stack <IEncodedString>();
stack.Push(new RawString(_viewModel.Title));
var current = _viewModel.Parent;
while (current != null && current.Id != "root")
{
stack.Push(Link(current));
current = current.Parent;
}
if (stack.Count <= 1)
{
return(new RawString(string.Empty));
}
builder.AppendRaw("<ol class=\"breadcrumb\">");
foreach (var part in stack)
{
builder.AppendRaw("<li>");
builder.AppendRaw(part.ToString());
builder.AppendRaw("</li>");
}
builder.AppendRaw("</ol>");
return(builder.ToRaw());
}
private static void Tree(EncodedStringBuilder builder, Content node, string currentId, IReadOnlyList <Content> expanded, int depth)
{
var active = false;
var isExpanded = expanded.Any(x => x.Id == node.Id);
if (node.Id == currentId || isExpanded && depth == 0)
{
active = true;
}
if (depth == 0)
{
builder.AppendRaw(active ? @"<li class=""active"">" : @"<li>");
}
else
{
builder.AppendRaw(@"<li class=""list-unstyled"">");
}
if (active && depth > 0)
{
builder.AppendRaw(@"<b>");
}
var link = node.GetLink();
if (link == "/index")
{
link = "/";
}
builder.AppendRaw(@"<a href=""{0}"">", link);
builder.AppendEncoded(node.MenuTitle);
builder.AppendRaw(@"</a>");
if (active && depth > 0)
{
builder.AppendRaw(@"</b>");
}
if (node.Children.Count > 0)
{
if (isExpanded)
{
builder.AppendRawLine("<ul>");
depth++;
foreach (var child in node.Children)
{
Tree(builder, child, currentId, expanded, depth);
}
builder.AppendRawLine("</ul>");
}
}
builder.AppendRaw(@"</li>");
}
public IEncodedString Tree(Content tree, string currentId)
{
var node = tree.Find(currentId);
var expandedNodes = node.GetParents();
var builder = new EncodedStringBuilder();
builder.AppendRawLine(@"<ul class=""nav nav-sidebar"">");
foreach (var child in tree.Children)
{
Tree(builder, child, currentId, expandedNodes, 0);
}
builder.AppendRawLine("</ul>");
return(builder.ForceRaw());
}
public IEncodedString Link(Content link)
{
var stack = new Stack <string>();
stack.Push(link.UrlPart);
var current = link.Parent;
while (current != null && current.Id != "root")
{
stack.Push(current.UrlPart);
current = current.Parent;
}
var url = string.Concat("/", string.Join("/", stack), "/");
var builder = new EncodedStringBuilder();
builder.AppendRaw(@"<a href=""{0}"">", url);
builder.AppendEncoded(link.MenuTitle);
builder.AppendRaw("</a>");
return(builder.ForceRaw());
}
