openproject/app/views/hourly_rates/_rate.rhtml

<%- 
  index ||= "INDEX" 
  new_or_existing = rate.new_record? ? 'new' : 'existing'
  id_or_index = rate.new_record? ? index : rate.id 
  prefix = "user[#{new_or_existing}_rate_attributes][]"
  id_prefix = "user_#{new_or_existing}_rate_attributes_#{id_or_index}"
  name_prefix = "user[#{new_or_existing}_rate_attributes][#{id_or_index}]"
  classes ||= ""

  @rate = rate
  error_messages = error_messages_for 'rate'
-%> 


<% unless error_messages.blank? %><tr><td colspan="3"><%= error_messages %></td></tr><% end %>
<% fields_for prefix, rate do |rate_form| %>
<tr class="<%= classes %>" id="<%= id_prefix %>">
  <td><%= rate_form.text_field :valid_from, :size => 10, :class => 'date', :index => id_or_index %><%= calendar_for("#{id_prefix}_valid_from") %></td>
  <td class="currency"><%= rate_form.text_field :rate, :size => 7, :index => id_or_index  %>  <%= Setting.plugin_redmine_costs['costs_currency'] %></td>
  <td><%= image_to_function 'delete.png', "var e = $('#{id_prefix}');parent=e.up();e.remove();recalculate_even_odd(parent)"%></td>
</tr>
<% end %>