You cannot do this just with simple_form.
.
protected
def process_business_hour(params)
params[:business_hour] = "#{params[:"business_hour(4i)"].to_i}:#{params[:"business_hour(5i)"].to_i}"
return params
end
, - ( simple_form), , .
.
<%= f.date_select 'business_hour_mon_start', {minute_step: 5}, class: "timeselect timeselect_mon", onChange: "javascript:selectBusinessHour(this.value)" %>~
<%= f.time_select 'business_hour_mon_end', {minute_step: 5, ignore_date: :true}, class: "timeselect timeselect_mon", onChange: "javascript:selectBusinessHour(this.value)" %>
...
http://i.stack.imgur.com/5Z0ur.png
.
, .
<select id="parkinglot_business_hour_mon_start_1i" name="parkinglot[business_hour_mon_start(1i)]" onchange="javascript:selectBusinessHour(this.value)">
. (1i)