plugins/orders/views/orders_plugin_admin_item/add.js.erb
<%
other_actor_name = if @actor_name == :supplier then :consumer else :supplier end
%>
$('#order-row-<%=@order.id%> .box-edit').html(<%= render('orders_plugin_admin/edit', order: @order, actor_name: @actor_name).to_json %>);
var item = $('#item-<%=@item.id%>');
orders.item.edit_quantity(item);