NestedFieldsRails

Manage multiple models in the same form. Inspired on nested_form gem

Tested with Rails 3.2.x and Ruby 1.9.3

Installation

Add this line to your application's Gemfile:

gem 'nested_fields_rails'

And then execute:

$ bundle

Or install it yourself as:

$ gem install nested_fields_rails

And then add it to the Asset Pipeline in the application.js file:

//= require jquery_nested_fields

Usage

Model definition

class Person
    has_many :phones
    attr_accessible :phones_attributes
    accepts_nested_attributes_for :phones, :allow_destroy => true
end

Form specification

= form_for @person do |f|
  ...
  %strong Phones
  = f.link_to_add_nested_fields 'Add', :phones
  = f.nested_fields_for :phones do |phones_form|
    = phones_form.link_to_remove_nested_fields 'Remove'
    = phones_form.text_field :number    

Partials support

Main form

= form_for @person do |f|
  ...
  %strong Phones
  = f.link_to_add_nested_fields 'Add', :phones
  = f.nested_fields_for :phones

Partial for item

= f.link_to_remove_nested_fields 'Remove'
= f.text_field :number  

Html wrappers

Table wrapper

= form_for @person do |f|
  ...
  %table
    %thead
      %tr
        %td f.link_to_add_nested_fields 'Add', :phones
        %td Phones
    = f.nested_fields_for :phones, nil, :wrapper => :table do |phones_form|
      %td= phones_form.link_to_remove_nested_fields 'Remove'
      %td= phones_form.text_field :number

Custom wrapper

= form_for @person do |f|
  ...
  %strong Phones
  = f.link_to_add_nested_fields 'Add', :phones
  = f.nested_fields_for :phones, nil, :collection_wrapper => :ul, :element_wrapper => :li do |phones_form|
    = phones_form.link_to_remove_nested_fields 'Remove'
    = phones_form.text_field :number    

Order support

= form_for @person do |f|
  ...
  %strong Phones
  = f.link_to_add_nested_fields 'Add', :phones
  = f.nested_fields_for :phones do |phones_form|
    = phones_form.link_to_remove_nested_fields 'Remove'
    = phones_form.link_to_up_nested_fields 'Up'
    = phones_form.link_to_down_nested_fields 'Down'
    = phones_form.text_field :number
    = phones_form.index_nested_fields :order

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request