module NavHelper

	def nav_link(page, &link_text) 
		class_name = request.env['PATH_INFO'].match(page) ? 'active' : nil

		content_tag(:li, class: class_name) do
			link_to page do
				link_text.call
			end
		end

	end

	def treeview_link(text, &links)
		content = link_to('#') do
			content_tag(:span, text) <<
			content_tag(:i, '', class: "fa pull-right fa-angle-left")
		end

		content << content_tag(:ul, class: 'treeview-menu') do 
			links.call
		end

		content_tag :li, class: 'treeview' do
			content
		end
	end

end