Upgraded nested-model-form-revised to work with Rails 4

.gitignore

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+/.bundle
+/log/*.log
+/tmp
+.idea
+public/assets
+questionnaire-rails4/public/assets
+questionnaire-rails4/tmp
+questionnaire-rails4/log/*
+

questionnaire-rails4/.ruby-gemset

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+questionnaire-rails4

questionnaire-rails4/.ruby-version

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+ruby-2.0.0.p353

questionnaire-rails4/Gemfile

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+source 'https://rubygems.org'
+
+gem 'rails', '4.1.8'
+
+gem 'sqlite3'
+
+gem 'sass-rails'
+gem 'coffee-rails'
+gem 'jquery-rails', '3.1.2'
+gem 'uglifier', '>= 1.0.3'
+

questionnaire-rails4/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (4.1.8)
+      actionpack (= 4.1.8)
+      actionview (= 4.1.8)
+      mail (~> 2.5, >= 2.5.4)
+    actionpack (4.1.8)
+      actionview (= 4.1.8)
+      activesupport (= 4.1.8)
+      rack (~> 1.5.2)
+      rack-test (~> 0.6.2)
+    actionview (4.1.8)
+      activesupport (= 4.1.8)
+      builder (~> 3.1)
+      erubis (~> 2.7.0)
+    activemodel (4.1.8)
+      activesupport (= 4.1.8)
+      builder (~> 3.1)
+    activerecord (4.1.8)
+      activemodel (= 4.1.8)
+      activesupport (= 4.1.8)
+      arel (~> 5.0.0)
+    activesupport (4.1.8)
+      i18n (~> 0.6, >= 0.6.9)
+      json (~> 1.7, >= 1.7.7)
+      minitest (~> 5.1)
+      thread_safe (~> 0.1)
+      tzinfo (~> 1.1)
+    arel (5.0.1.20140414130214)
+    builder (3.2.2)
+    coffee-rails (4.1.0)
+      coffee-script (>= 2.2.0)
+      railties (>= 4.0.0, < 5.0)
+    coffee-script (2.4.1)
+      coffee-script-source
+      execjs
+    coffee-script-source (1.9.1.1)
+    erubis (2.7.0)
+    execjs (2.5.2)
+    i18n (0.7.0)
+    jquery-rails (3.1.2)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
+    json (1.8.3)
+    mail (2.6.3)
+      mime-types (>= 1.16, < 3)
+    mime-types (2.6.1)
+    minitest (5.7.0)
+    rack (1.5.5)
+    rack-test (0.6.3)
+      rack (>= 1.0)
+    rails (4.1.8)
+      actionmailer (= 4.1.8)
+      actionpack (= 4.1.8)
+      actionview (= 4.1.8)
+      activemodel (= 4.1.8)
+      activerecord (= 4.1.8)
+      activesupport (= 4.1.8)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.1.8)
+      sprockets-rails (~> 2.0)
+    railties (4.1.8)
+      actionpack (= 4.1.8)
+      activesupport (= 4.1.8)
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (10.4.2)
+    sass (3.4.16)
+    sass-rails (5.0.3)
+      railties (>= 4.0.0, < 5.0)
+      sass (~> 3.1)
+      sprockets (>= 2.8, < 4.0)
+      sprockets-rails (>= 2.0, < 4.0)
+      tilt (~> 1.1)
+    sprockets (3.2.0)
+      rack (~> 1.0)
+    sprockets-rails (2.3.2)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      sprockets (>= 2.8, < 4.0)
+    sqlite3 (1.3.10)
+    thor (0.19.1)
+    thread_safe (0.3.5)
+    tilt (1.4.1)
+    tzinfo (1.2.2)
+      thread_safe (~> 0.1)
+    uglifier (2.7.1)
+      execjs (>= 0.3.0)
+      json (>= 1.8.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  coffee-rails
+  jquery-rails (= 3.1.2)
+  rails (= 4.1.8)
+  sass-rails
+  sqlite3
+  uglifier (>= 1.0.3)

questionnaire-rails4/README.rdoc

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+= RailsCasts Example Application
+
+Run these commands to try it out.
+
+  bundle
+  rake db:setup
+  rails s
+
+Requires Ruby 1.9.2 or later to run.

questionnaire-rails4/Rakefile

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+#!/usr/bin/env rake
+# Add your own tasks in files placed in lib/tasks ending in .rake,
+# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.
+
+require File.expand_path('../config/application', __FILE__)
+
+Questionnaire::Application.load_tasks

questionnaire-rails4/app/assets/javascripts/application.js

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+// This is a manifest file that'll be compiled into application.js, which will include all the files
+// listed below.
+//
+// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
+// or vendor/assets/javascripts of plugins, if any, can be referenced here using a relative path.
+//
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// the compiled file.
+//
+// WARNING: THE FIRST BLANK LINE MARKS THE END OF WHAT'S TO BE PROCESSED, ANY BLANK LINE SHOULD
+// GO AFTER THE REQUIRES BELOW.
+//
+//= require jquery
+//= require jquery_ujs
+//= require surveys
+

questionnaire-rails4/app/assets/javascripts/surveys.js.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/
+jQuery ->
+  $('form').on 'click', '.remove_fields', (event) ->
+    $(this).prev('input[type=hidden]').val('1')
+    $(this).closest('fieldset').hide()
+    event.preventDefault()
+
+  $('form').on 'click', '.add_fields', (event) ->
+    time = new Date().getTime()
+    regexp = new RegExp($(this).data('id'), 'g')
+    $(this).before($(this).data('fields').replace(regexp, time))
+    event.preventDefault()

questionnaire-rails4/app/assets/stylesheets/application.css

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+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
+ * or vendor/assets/stylesheets of plugins, if any, can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the top of the
+ * compiled file, but it's generally better to create a new file per style scope.
+ *
+ *= require_self
+ *= require_tree .
+*/
+
+html, body {
+  background-color: #4B7399;
+  font-family: Verdana, Helvetica, Arial;
+  font-size: 14px;
+}
+
+a img {
+  border: none;
+}
+
+a {
+  color: #0000FF;
+}
+
+.clear {
+  clear: both;
+  height: 0;
+  overflow: hidden;
+}
+
+#container {
+  width: 75%;
+  margin: 0 auto;
+  background-color: #FFF;
+  padding: 20px 40px;
+  border: solid 1px black;
+  margin-top: 20px;
+}
+
+#flash_notice, #flash_error, #flash_alert {
+  padding: 5px 8px;
+  margin: 10px 0;
+}
+
+#flash_notice {
+  background-color: #CFC;
+  border: solid 1px #6C6;
+}
+
+#flash_error, #flash_alert {
+  background-color: #FCC;
+  border: solid 1px #C66;
+}
+
+.field_with_errors {
+  display: inline;
+}
+
+.error_messages {
+  width: 400px;
+  border: 2px solid #CF0000;
+  padding: 0px;
+  padding-bottom: 12px;
+  margin-bottom: 20px;
+  background-color: #f0f0f0;
+  font-size: 12px;
+}
+
+.error_messages h2 {
+  text-align: left;
+  font-weight: bold;
+  padding: 5px 10px;
+  font-size: 12px;
+  margin: 0;
+  background-color: #c00;
+  color: #fff;
+}
+
+.error_messages p {
+  margin: 8px 10px;
+}
+
+.error_messages ul {
+  margin-bottom: 0;
+}
+
+form .field, form .actions {
+  margin: 12px 0;
+}

questionnaire-rails4/app/assets/stylesheets/surveys.css.scss

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+// Place all the styles related to the surveys controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/
+.article {
+  h2 {
+    font-size: 18px;
+    margin-top: 20px;
+    margin-bottom: 3px;
+  }
+}
+
+.questions {
+  list-style: none;
+  font-weight: bold;
+  margin: 0;
+  padding: 0;
+  > li {
+    margin: 20px 0;
+    padding: 0;
+  }
+}
+
+.answers {
+  list-style: upper-alpha;
+  font-weight: normal;
+  margin: 0;
+  padding: 0;
+  > li {
+    margin: 5px 0;
+    margin-left: 25px;
+  }
+}
+
+form > fieldset {
+  border: none;
+  border: solid 1px #CCC;
+  padding: 10px 15px;
+  margin: 15px 0;
+  fieldset {
+    border: none;
+    margin: 0;
+    margin: 10px 0;
+    padding: 0;
+  }
+}
+
+textarea {
+  height: 40px;
+  width: 350px;
+  margin-top: 3px;
+}

questionnaire-rails4/app/controllers/application_controller.rb

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+class ApplicationController < ActionController::Base
+  protect_from_forgery
+end

questionnaire-rails4/app/controllers/surveys_controller.rb

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+class SurveysController < ApplicationController
+  def index
+    @surveys = Survey.all
+  end
+
+  def show
+    @survey = Survey.find(params[:id])
+  end
+
+  def new
+    @survey = Survey.new
+  end
+
+  def create
+    @survey = Survey.new(survey_params)
+    if @survey.save
+
+      redirect_to @survey, notice: "Successfully created survey."
+    else
+      render :new
+    end
+  end
+
+  def edit
+    @survey = Survey.find(params[:id])
+  end
+
+  def update
+    @survey = Survey.find(params[:id])
+    if @survey.update(survey_params)
+      redirect_to @survey, notice: "Successfully updated survey."
+    else
+      render :edit
+    end
+  end
+
+  def destroy
+    @survey = Survey.find(params[:id])
+    @survey.destroy
+    redirect_to surveys_url, notice: "Successfully deleted survey."
+  end
+
+ private
+
+  def survey_params
+    args = params.require( :survey ).permit( :id, :name,
+        {questions_attributes: [ :id, :content, :_destroy,
+                                  answers_attributes: [ :id, :content, :_destroy ]] } )
+
+    args
+  end
+
+end

questionnaire-rails4/app/helpers/application_helper.rb

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+module ApplicationHelper
+  def link_to_add_fields(name, f, association)
+    new_object = f.object.send(association).klass.new
+    id = new_object.object_id
+    fields = f.fields_for(association, new_object, child_index: id) do |builder|
+      render(association.to_s.singularize + "_fields", f: builder)
+    end
+    link = link_to(name, '#', class: "add_fields", data: {id: id, fields: fields.gsub("\n", "")})
+    link
+  end
+end

questionnaire-rails4/app/helpers/surveys_helper.rb

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+module SurveysHelper
+end