explorer_app/app/views/urban_areas/index.html.erb
<%= breadcrumbs "Urban Areas" %>
<ul class="nav nav-tabs">
<li class="nav-item">
<%= link_to "All", urban_areas_path(breadcrumb_params.merge(tab: nil)), class: "nav-link #{'active' if @tab.blank?}" %>
</li>
<li class="nav-item">
<%= link_to "Urbanized Areas", urban_areas_path(breadcrumb_params.merge(tab: "urbanized")), class: "nav-link #{'active' if @tab == 'metropolitan'}" %>
</li>
<li class="nav-item">
<%= link_to "Urban Cluster", urban_areas_path(breadcrumb_params.merge(tab: "cluster")), class: "nav-link #{'active' if @tab == 'micropolitan'}" %>
</li>
</ul>
<h1>
<%= pluralize @urban_areas.size, "Urban Area" %>
</h1>
<%= render "table", urban_areas: @urban_areas %>