# Tab link for tab headers
	fun tab_link: Template do
		var tpl = new Template
		tpl.addn "<li class='{if is_active then "active" else ""}'>"
		tpl.addn " <a data-toggle='tab' href='#{id}'>"

		var icon = self.icon
		if icon != null then
			tpl.addn "  <span class='glyphicon glyphicon-{icon}'></span>"
		end
		tpl.addn " {title}"
		tpl.addn " </a>"
		tpl.addn "</li>"
		return tpl
	end