app/views/checked_manifestations/_new.html.erb
<% is_list = is_list || @is_list %>
<%- if @current_basket && manifestation.in_basket?(@current_basket) %>
<% if @basket%>
<%= link_to t("checked_manifestation.delete"), checked_manifestations_delete_path(:manifestation_id => manifestation.id, :is_list => is_list, :basket_id => @basket.id), :remote => true %>
<% else %>
<%= link_to t("checked_manifestation.delete"), checked_manifestations_delete_path(:manifestation_id => manifestation.id, :is_list => is_list), :remote => true %>
<% end %>
<%- else -%>
<%= link_to t("checked_manifestation.add"), checked_manifestations_create_path(:manifestation_id => manifestation.id, :is_list => is_list), :remote => true %>
<%- end -%>