navigatrix.rb

# initializers/navigatrix.rb

Navigatrix.register_list_renderer(:table_list) do |renderer|
  renderer.wrapper do |items, html_attributes|
    content_tag(:div, html_attributes.merge_attribute(:class, "navigation")) do
      content_tag(:table, items, class: "nav-table")
    end
  end
end

Navigatrix.register_item_renderer(:table_item) do |renderer|
  renderer.wrapper do |content, children, html_attributes|
    content_tag(:tr, class: "nav-table-item", data: {nav: "dropdown"}) do
      content_tag(:td, content) + content_tag(:td, children)
    end
  end
  
  renderer.linked do |name, path|
    content_tag :span, content_tag(:a, name, href: path)
  end

  renderer.unlinked do |name, path|
    content_tag :span, name
  end
  
  renderer.children_options do
    {
      list: {renderer: :nested_list},
      item: {renderer: :nested_item}
    }
  end
end

Navigatrix.register_list_renderer(:nested_list) do |renderer|
  renderer.wrapper do |items, html_attributes|
    content_tag(:div, class: "subnav") do
      content_tag(:ul, yield, class: "subnav-list")
    end
  end
end

Navigatrix.register_item_renderer(:nested_item) do |renderer|
  renderer.unlinked do |name, path|
    content_tag(:span, name)
  end

  renderer.html_attributes do |attributes|
    attributes.merge_attribute(:class, "subnav-link")
  end
end

view.html.erb

<%= render_navigation({
  "Manage" => {
    "path" => "#",
    "children" => {
      "Account" => "/account",
      "Classes" => "/classes",
      "Professors" => "/professors",
    }
  }
}, {
  list: {renderer: :table_list},
  item: {renderer: :table_item}
}) %>