On 16 February 2011 16:06, Felipe Espinoza Castillo <[email protected]> wrote: > Hi, > > I want some help to solve this problem that I have: > > I have a form for some controller/model called Expense(s) in the > new_daily method, in that form I have a table with 5 rows, where I > have to put the fields needed to create each of daily expenses that I > could have, but of course, you would have more than 5 expenses in one > day, so I have a link to "Add Expense" to add a new row to the > expenses table form with the correct fields and internally it must > have a certain id, name structure wich is the same for all rows except > for and index, for example:
Have you seen http://railscasts.com/episodes/196-nested-model-form-part-1 I suggest you spend an hour working through it and the next episode (part 2 oddly enough) in order to appreciate what is going on. I think it may give you some ideas on the way to go. Colin > > expenses[e1][name], expenses[e1][amount], expenses[e1][category] > expenses[e2][name], expenses[e2][amount], expenses[e2][category] > > The problem is that I don't know how to keep tracking of that index > for the form, I want to use a controller action "add_expense" that > calls a "add_expense.js.erb" to use jquery and rendering a partial > containing that new row, but with the correct index. > > If I save the index in the add_expense controller method it gets reset > anytime I try to use the method again, and inside it I've defined like > "@n ||= 5" > but it's always 5, It doesn't remember the "<%= @n += 1 %>" that I use > in the js view > > Another option would be use unobstrusive javascript and get that > number in a data-numer attribute in that form table, but then I'm not > able to pass as a parameter to the partial that I want to render. > > How would you solve this? > > Greetings > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
