cheatsheets/rails-forms.md

title: Rails form helpers

Forms

# Model:
= form_for @post do |f|

= form_for @post, url: { method: 'put', action: 'create' }, html: { class: 'nifty_form'} do |f|

Fields

f.check_box :enabled
f.text_field :title
f.text_area :body, \
  :size => '60x12'

Select dropdowns

f.time_zone_select :time_zone
f.date_select :birthday

f.select :city_id, [['Lisbon',1], ['Madrid',2], ...], 4   # (4 = selected)

f.collection_select :city_id, City.all, :id, :name

options_for_select [['Lisbon',1], ['Madrid', 2], ...], 4  # Just makes <option> tags

The rest

f.submit "Create"