app/views/trestle/application/_tabs.html.erb
<% if tabs.any? || render_sidebar_as_tab? -%>
<ul class="nav nav-tabs">
<% tabs.each do |name, tab| %>
<li class="nav-item">
<%= link_to tab.label, "##{tab.id(("modal" if dialog_request?))}", class: ["nav-link", ("active" if name == tabs.keys.first)], role: "tab", data: { toggle: "tab" } %>
</li>
<% end %>
<% if render_sidebar_as_tab? %>
<li class="nav-item align-right">
<%= link_to icon("fa fa-list-alt"), "#tab-sidebar", class: "nav-link", role: "tab", data: { toggle: "tab" } %>
</li>
<% end %>
</ul>
<% end %>