Agile Web Development with Rails, Edition 4

Agile Web Development with Rails, Edition 4

22 Caching 21.1 Views

21.2 Form Helpers

bundle exec /home/rubys/git/rails/railties/bin/rails new views --skip-bundle --dev
      create  
      create  README.rdoc
      create  Rakefile
      create  config.ru
      create  .gitignore
      create  Gemfile
      create  app
      create  app/assets/images/rails.png
      create  app/assets/javascripts/application.js
      create  app/assets/stylesheets/application.css
      create  app/controllers/application_controller.rb
      create  app/helpers/application_helper.rb
      create  app/mailers
      create  app/models
      create  app/views/layouts/application.html.erb
      create  app/mailers/.gitkeep
      create  app/models/.gitkeep
      create  config
      create  config/routes.rb
      create  config/application.rb
      create  config/environment.rb
      create  config/environments
      create  config/environments/development.rb
      create  config/environments/production.rb
      create  config/environments/test.rb
      create  config/initializers
      create  config/initializers/backtrace_silencers.rb
      create  config/initializers/inflections.rb
      create  config/initializers/mime_types.rb
      create  config/initializers/secret_token.rb
      create  config/initializers/session_store.rb
      create  config/initializers/wrap_parameters.rb
      create  config/locales
      create  config/locales/en.yml
      create  config/boot.rb
      create  config/database.yml
      create  db
      create  db/seeds.rb
      create  doc
      create  doc/README_FOR_APP
      create  lib
      create  lib/tasks
      create  lib/tasks/.gitkeep
      create  lib/assets
      create  lib/assets/.gitkeep
      create  log
      create  log/.gitkeep
      create  public
      create  public/404.html
      create  public/422.html
      create  public/500.html
      create  public/favicon.ico
      create  public/index.html
      create  public/robots.txt
      create  script
      create  script/rails
      create  test/fixtures
      create  test/fixtures/.gitkeep
      create  test/functional
      create  test/functional/.gitkeep
      create  test/integration
      create  test/integration/.gitkeep
      create  test/unit
      create  test/unit/.gitkeep
      create  test/performance/browsing_test.rb
      create  test/test_helper.rb
      create  tmp/cache
      create  tmp/cache/assets
      create  vendor/assets/javascripts
      create  vendor/assets/javascripts/.gitkeep
      create  vendor/assets/stylesheets
      create  vendor/assets/stylesheets/.gitkeep
      create  vendor/plugins
      create  vendor/plugins/.gitkeep
bundle install
Using rake (0.9.2.2) 
Using i18n (0.6.1) 
Using multi_json (1.3.6) 
Using activesupport (3.2.8) 
Using builder (3.0.3) 
Using activemodel (3.2.8) 
Using erubis (2.7.0) 
Using journey (1.0.4.20120614141756) 
Using rack (1.4.1) 
Using rack-cache (1.2) 
Using rack-test (0.6.2) 
Using hike (1.2.1) 
Using tilt (1.3.3) 
Using sprockets (2.7.0) 
Using actionpack (3.2.8) 
Using mime-types (1.19) 
Using polyglot (0.3.3) 
Using treetop (1.4.11) 
Using mail (2.4.4) 
Using actionmailer (3.2.8) 
Using arel (3.0.2.20120221150532) 
Using tzinfo (0.3.33) 
Using activerecord (3.2.8) 
Using activeresource (3.2.8) 
Using bundler (1.2.0) 
Using coffee-script-source (1.3.3) 
Using execjs (1.4.0) 
Using coffee-script (2.2.0) 
Using rack-ssl (1.3.2) 
Using json (1.7.5) 
Using rdoc (3.12) 
Using thor (0.16.0) 
Using railties (3.2.8) 
Using coffee-rails (3.2.2) 
Using jquery-rails (2.1.3) 
Using rails (3.2.8) 
Using sass (3.2.1) 
Using sass-rails (3.2.5) 
Using sqlite3 (1.3.6) 
Using uglifier (1.3.0) 
Your bundle is complete! Use `bundle show [gemname]` to see where a bundled gem is installed.
rails generate model model input:string address:text color:string ketchup:boolean mustard:boolean mayonnaise:boolean start:date alarm:time
      invoke  active_record
      create    db/migrate/20121011072043_create_models.rb
      create    app/models/model.rb
      invoke    test_unit
      create      test/unit/model_test.rb
      create      test/fixtures/models.yml
rails generate controller Form input
      create  app/controllers/form_controller.rb
       route  get "form/input"
      invoke  erb
      create    app/views/form
      create    app/views/form/input.html.erb
      invoke  test_unit
      create    test/functional/form_controller_test.rb
      invoke  helper
      create    app/helpers/form_helper.rb
      invoke    test_unit
      create      test/unit/helpers/form_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/form.js.coffee
      invoke    scss
      create      app/assets/stylesheets/form.css.scss
rake db:migrate
mv 20121011072043_create_models.rb 20110711000001_create_models.rb
==  CreateModels: migrating ===================================================
-- create_table(:models)
   -> 0.0048s
==  CreateModels: migrated (0.0050s) ==========================================
 

Restart the server.

edit app/views/form/input.html.erb
<%= form_for(:model) do |form| %>
<p>
  <%= form.label :input %> <!-- <label id="helper.label"/> -->
  <%= form.text_field :input, :placeholder => 'Enter text here...' %> <!-- <label id="helper.text"/> -->
</p>
 
<p>
  <%= form.label :address, :style => 'float: left' %>
  <%= form.text_area :address, :rows => 3, :cols => 40 %> <!-- <label id="helper.textarea"/> -->
</p>
 
<p>
  <%= form.label :color %>:
  <%= form.radio_button :color, 'red' %> <!-- <label id="helper.radio"/> -->
  <%= form.label :red %>
  <%= form.radio_button :color, 'yellow' %>
  <%= form.label :yellow %>
  <%= form.radio_button :color, 'green' %>
  <%= form.label :green %>
</p>
 
<p>
  <%= form.label 'condiment' %>:
  <%= form.check_box :ketchup %> <!-- <label id="helper.checkbox"/> -->
  <%= form.label :ketchup %>
  <%= form.check_box :mustard %>
  <%= form.label :mustard %>
  <%= form.check_box :mayonnaise %>
  <%= form.label :mayonnaise %>
</p>
 
<p>
  <%= form.label :priority %>:
  <%= form.select :priority, (1..10) %> <!-- <label id="helper.select"/> -->
</p>
 
<p>
  <%= form.label :start %>:
  <%= form.date_select :start %> <!-- <label id="helper.date"/> -->
</p>
 
<p>
  <%= form.label :alarm %>:
  <%= form.time_select :alarm %> <!-- <label id="helper.time"/> -->
</p>
<% end %>
get /form/input

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22 Caching 21.1 Views