app/views/collecting_events/batch_load/gpx/preview.html.erb
<% content_for :warn_level do -%>
<%= warn_level_input(@result) -%>
<% end %>
<%= content_for :batch_form do -%>
<%= render(partial: '/collecting_events/batch_load/gpx/form',
locals: {url: create_gpx_batch_load_collecting_events_path, submit: :create}) -%>
<% end %>
<%= render partial: '/shared/data/all/batch_load/preview' -%>