add the `--bootstrap` option to the simple_form:install generator

Gemfile

@@ -2,6 +2,7 @@ source :rubygems
 
 gemspec
 
+gem 'railties', '~> 3.2.0'
 gem 'activemodel', '~> 3.2.0'
 gem 'actionpack', '~> 3.2.0'
 gem 'rake'

Gemfile.lock

@@ -40,8 +40,17 @@ GEM
     rack (1.4.1)
     rack-cache (1.1)
       rack (>= 0.4)
+    rack-ssl (1.3.2)
+      rack
     rack-test (0.6.1)
       rack (>= 1.0)
+    railties (3.2.0)
+      actionpack (= 3.2.0)
+      activesupport (= 3.2.0)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (~> 0.14.6)
     rake (0.9.2.2)
     rbx-require-relative (0.0.5)
     rdoc (3.12)
@@ -55,6 +64,7 @@ GEM
       hike (~> 1.2)
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
+    thor (0.14.6)
     tilt (1.3.3)
     tzinfo (0.3.31)
 
@@ -65,6 +75,7 @@ DEPENDENCIES
   actionpack (~> 3.2.0)
   activemodel (~> 3.2.0)
   mocha
+  railties (~> 3.2.0)
   rake
   rdoc
   ruby-debug

gemfiles/Gemfile-rails.3.0.x

@@ -2,6 +2,7 @@ source :rubygems
 
 gem 'simple_form', :path => '..'
 
+gem 'railties', '~> 3.0.0'
 gem 'activemodel', '~> 3.0.0'
 gem 'actionpack', '~> 3.0.0'
 gem 'rake'

gemfiles/Gemfile-rails.3.1.x

@@ -2,6 +2,7 @@ source :rubygems
 
 gem 'simple_form', :path => '..'
 
+gem 'railties', '~> 3.1.0'
 gem 'activemodel', '~> 3.1.0'
 gem 'actionpack', '~> 3.1.0'
 gem 'rake'

lib/generators/simple_form/install_generator.rb

@@ -3,7 +3,8 @@ module SimpleForm
     class InstallGenerator < Rails::Generators::Base
       desc "Copy SimpleForm default files"
       source_root File.expand_path('../templates', __FILE__)
-      class_option :template_engine
+      class_option :template_engine, :desc => 'Template engine to be invoked (erb, haml or slim).'
+      class_option :bootstrap, :type => :boolean, :desc => 'Add the Twitter Bootstrap wrappers to the SimpleForm initializer.'
 
       def copy_config
         directory 'config'

lib/generators/simple_form/templates/config/initializers/simple_form.rb.tt

@@ -44,6 +44,66 @@ SimpleForm.setup do |config|
     b.use :error, :tag => :span, :class => :error
   end
 
+  <% if options.bootstrap? %>
+  # Wrappers for forms and inputs using the Twitter Bootstrap toolkit.
+  # Check the Bootstrap docs (http://twitter.github.com/bootstrap)
+  # to learn about the different styles for forms and inputs,
+  # buttons and other elements.
+  config.wrappers :bootstrap, :tag => 'fieldset', :class => 'control-group', :error_class => 'error' do |b|
+    b.use :placeholder
+    b.use :label, :class => 'control-label'
+    b.use :tag => 'div', :class => 'controls' do |ba|
+      ba.use :input
+      ba.use :error, :tag => 'span', :class => 'help-inline'
+      ba.use :hint,  :tag => 'p', :class => 'help-block'
+    end
+  end
+
+  config.wrappers :checkbox, :tag => 'fieldset', :class => 'control-group', :error_class => 'error' do |b|
+    b.use :placeholder
+    b.use :label, :class => 'control-label'
+    b.use :tag => 'div', :class => 'controls' do |ba|
+      ba.use :tag => 'label', :class => 'checkbox' do |bb|
+        bb.use :input
+      end
+      ba.use :error, :tag => 'span', :class => 'help-inline'
+      ba.use :hint,  :tag => 'p', :class => 'help-block'
+    end
+  end
+
+  config.wrappers :inline_checkbox, :tag => 'span', :error_class => 'error' do |b|
+    b.use :placeholder
+    b.use :input
+    b.use :label_text
+    b.use :error, :tag => 'span', :class => 'help-inline'
+    b.use :hint,  :tag => 'p', :class => 'help-block'
+  end
+
+  config.wrappers :prepend, :tag => 'fieldset', :class => "control-group", :error_class => 'error' do |b|
+    b.use :placeholder
+    b.use :label, :class => 'control-label'
+    b.use :hint,  :tag => 'span', :class => 'help-block'
+    b.use :tag => 'div', :class => 'controls' do |input|
+      input.use :tag => 'div', :class => 'input-prepend' do |prepend|
+        prepend.use :input
+      end
+      input.use :error, :tag => 'span', :class => 'help-inline'
+    end
+  end
+
+  config.wrappers :append, :tag => 'fieldset', :class => "control-group", :error_class => 'error' do |b|
+    b.use :placeholder
+    b.use :label, :class => 'control-label'
+    b.use :hint,  :tag => 'span', :class => 'help-block'
+    b.use :tag => 'div', :class => 'controls' do |input|
+      input.use :tag => 'div', :class => 'input-append' do |append|
+        append.use :input
+      end
+      input.use :error, :tag => 'span', :class => 'help-inline'
+    end
+  end
+  <% end %>
+
   # Method used to tidy up errors.
   # config.error_method = :first
 

test/generators/simple_form_generator_test.rb

@@ -0,0 +1,29 @@
+require 'test_helper'
+
+class SimpleFormGeneratorTest < Rails::Generators::TestCase
+  tests SimpleForm::Generators::InstallGenerator
+  destination File.expand_path('../../tmp', __FILE__)
+  setup :prepare_destination
+
+  test 'generates example locale file' do
+    run_generator
+    assert_file 'config/locales/simple_form.en.yml'
+  end
+
+  test 'generates the simple_form initializer' do
+    run_generator
+    assert_file 'config/initializers/simple_form.rb'
+  end
+
+  test 'generates the simple_form initializer with the bootstrap wrappers' do
+    run_generator %w(--bootstrap)
+    assert_file 'config/initializers/simple_form.rb', /config\.wrappers :bootstrap/
+  end
+
+  %W(erb haml slim).each do |engine|
+    test "generates the scaffold template when using #{engine}" do
+      run_generator ['-e', engine]
+      assert_file "lib/templates/#{engine}/scaffold/_form.html.#{engine}"
+    end
+  end
+end

test/test_helper.rb

@@ -22,6 +22,9 @@ end
 $:.unshift File.expand_path("../../lib", __FILE__)
 require 'simple_form'
 
+require "rails/generators/test_case"
+require 'generators/simple_form/install_generator'
+
 Dir["#{File.dirname(__FILE__)}/support/*.rb"].each { |f| require f }
 I18n.default_locale = :en