Refactor "unconfirm" functionality into a gem.

- Rename maybe_confirm => unconfirm.
- Add ApplicationHelper to handle session updates.
- Add view helper and accompanying specs.
- Refactor confirmation javascript into a jQuery plugin.
- Add a view helper to generate the unconfirm settings
  and call to the new jQuery plugin.
- Add view and asset pipeline initializer.
- Fix JS bugs and other bugs.

.gitignore

@@ -0,0 +1,8 @@
+.bundle/
+log/*.log
+pkg/
+spec/dummy/db/*.sqlite3
+spec/dummy/log/*.log
+spec/dummy/tmp/
+spec/dummy/.sass-cache
+**/.tern-port

CONTRIBUTING.md

@@ -0,0 +1,17 @@
+# Contributing
+
+1. Fork it ( https://github.com/[my-github-username]/unconfirm/fork )
+2. Create your feature/bug/refactor branch.
+   - If its a bug-fix, create bug branch: bug/<issue-number> or bug/<issue-short-description>
+   - If its a new feature, create a feature branch:  feature/<feature-short-description>
+   - If its code refactoring with no changes to behavior: refactor/<refactoring-short-goals>
+    (`git checkout -b <feature/bug/refacator>/my-branch` - we'll use `feature/my-feature` as
+    an example in the rest of this section.)
+3. Ensure that there are tests to assert that your changes are working as expected.
+3. Commit your changes (`git commit -a`).
+4. Push to the branch (`git push -u origin feature/my-feature`).
+5. Create a new Pull Request.
+
+[git-extras][] helps with the above workflow.
+
+[git-extras]: https://github.com/visionmedia/git-extras

Gemfile

@@ -0,0 +1,17 @@
+source "https://rubygems.org"
+
+# Declare your gem's dependencies in unconfirm.gemspec.
+# Bundler will treat runtime dependencies like base dependencies, and
+# development dependencies will be added by default to the :development group.
+gemspec
+
+# jquery-rails is used by the dummy application
+gem "jquery-rails"
+
+# Declare any dependencies that are still in development here instead of in
+# your gemspec. These might include edge Rails or gems from your path or
+# Git. Remember to move these dependencies to your gemspec before releasing
+# your gem to rubygems.org.
+
+# To use debugger
+# gem 'debugger'

Gemfile.lock

@@ -0,0 +1,135 @@
+PATH
+  remote: .
+  specs:
+    unconfirm (0.0.1)
+      activerecord-typedstore
+      jquery-rails
+      rails (~> 3.2.17)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (3.2.18)
+      actionpack (= 3.2.18)
+      mail (~> 2.5.4)
+    actionpack (3.2.18)
+      activemodel (= 3.2.18)
+      activesupport (= 3.2.18)
+      builder (~> 3.0.0)
+      erubis (~> 2.7.0)
+      journey (~> 1.0.4)
+      rack (~> 1.4.5)
+      rack-cache (~> 1.2)
+      rack-test (~> 0.6.1)
+      sprockets (~> 2.2.1)
+    activemodel (3.2.18)
+      activesupport (= 3.2.18)
+      builder (~> 3.0.0)
+    activerecord (3.2.18)
+      activemodel (= 3.2.18)
+      activesupport (= 3.2.18)
+      arel (~> 3.0.2)
+      tzinfo (~> 0.3.29)
+    activerecord-typedstore (0.4.3)
+      activerecord (>= 3.2)
+    activeresource (3.2.18)
+      activemodel (= 3.2.18)
+      activesupport (= 3.2.18)
+    activesupport (3.2.18)
+      i18n (~> 0.6, >= 0.6.4)
+      multi_json (~> 1.0)
+    arel (3.0.3)
+    builder (3.0.4)
+    capybara (2.3.0)
+      mime-types (>= 1.16)
+      nokogiri (>= 1.3.3)
+      rack (>= 1.0.0)
+      rack-test (>= 0.5.4)
+      xpath (~> 2.0)
+    database_cleaner (1.3.0)
+    diff-lcs (1.2.5)
+    erubis (2.7.0)
+    hike (1.2.3)
+    i18n (0.6.9)
+    journey (1.0.4)
+    jquery-rails (3.1.0)
+      railties (>= 3.0, < 5.0)
+      thor (>= 0.14, < 2.0)
+    json (1.8.1)
+    mail (2.5.4)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.25.1)
+    mini_portile (0.6.0)
+    multi_json (1.10.1)
+    nokogiri (1.6.2.1)
+      mini_portile (= 0.6.0)
+    polyglot (0.3.5)
+    rack (1.4.5)
+    rack-cache (1.2)
+      rack (>= 0.4)
+    rack-ssl (1.3.4)
+      rack
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rails (3.2.18)
+      actionmailer (= 3.2.18)
+      actionpack (= 3.2.18)
+      activerecord (= 3.2.18)
+      activeresource (= 3.2.18)
+      activesupport (= 3.2.18)
+      bundler (~> 1.0)
+      railties (= 3.2.18)
+    railties (3.2.18)
+      actionpack (= 3.2.18)
+      activesupport (= 3.2.18)
+      rack-ssl (~> 1.3.2)
+      rake (>= 0.8.7)
+      rdoc (~> 3.4)
+      thor (>= 0.14.6, < 2.0)
+    rake (10.3.2)
+    rdoc (3.12.2)
+      json (~> 1.4)
+    rspec-core (3.0.1)
+      rspec-support (~> 3.0.0)
+    rspec-expectations (3.0.1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.0.0)
+    rspec-mocks (3.0.1)
+      rspec-support (~> 3.0.0)
+    rspec-rails (3.0.1)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      railties (>= 3.0)
+      rspec-core (~> 3.0.0)
+      rspec-expectations (~> 3.0.0)
+      rspec-mocks (~> 3.0.0)
+      rspec-support (~> 3.0.0)
+    rspec-support (3.0.0)
+    sprockets (2.2.2)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sqlite3 (1.3.9)
+    thor (0.19.1)
+    tilt (1.4.1)
+    treetop (1.4.15)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.39)
+    xpath (2.0.0)
+      nokogiri (~> 1.3)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler (~> 1.6)
+  capybara
+  database_cleaner
+  jquery-rails
+  rake
+  rspec-rails
+  sqlite3
+  unconfirm!

LICENSE

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+Copyright 2014 Rice University.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Unconfirm
+
+This gem helps in creating user-confirmable UI actions with a
+persistent "Don't show this message again." facility.
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'unconfirm'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install unconfirm
+
+## Usage
+
+1. DB Migration:
+
+        $ rake unconfirm_engine:install:migrations
+        $ rake db:migrate
+
+2. Update layout: Edit your `application.html.erb` or equivalent layout
+   file and add the following:
+
+
+   Just before `body` tag is closed:
+
+        <%= include_unconfirm %>
+        <%= unconfirm_tag %>
+
+3. Include unconfirm javascript assets. Add the following to your application
+   assets (`application.js`):
+
+        //= require unconfirm
+
+4. Add configuration file(s) for unconfirm settings:
+
+    Under `<RAILS ROOT>/config/unconfirm` add `<category>_setting.yml` file
+    with any needed settings. See [example user settings file][example] for
+    format and documentation.
+    [example]: config/unconfirm/example_user_settings.yml
+
+
+5. Enable unconfirm.
+
+
+    Change something like the following:
+
+        <%= f.submit "Submit", 
+                :name => "save",
+                :class => 'link_button',
+                :confirm => "Are you sure?" %>
+
+    to:
+
+        <%= f.submit "Submit",
+                :name => "save",
+                :class => 'link_button unconfirm',
+                :data => data_with_unconfirm('skip_save_message') %>
+
+6. Test to make sure everything works as expected.
+
+## Contributing
+
+See [contribution guidelines](CONTRIBUTING.md).
+

Rakefile

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+#!/usr/bin/env rake
+begin
+  require 'bundler/setup'
+rescue LoadError
+  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
+end
+begin
+  require 'rdoc/task'
+rescue LoadError
+  require 'rdoc/rdoc'
+  require 'rake/rdoctask'
+  RDoc::Task = Rake::RDocTask
+end
+
+RDoc::Task.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'Unconfirm'
+  rdoc.options << '--line-numbers'
+  rdoc.rdoc_files.include('README.rdoc')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end
+
+APP_RAKEFILE = File.expand_path("../spec/dummy/Rakefile", __FILE__)
+load 'rails/tasks/engine.rake'
+
+
+
+Bundler::GemHelper.install_tasks
+
+require 'rspec/core'
+require 'rspec/core/rake_task'
+desc "Run all specs in spec directory (excluding plugin specs)"
+RSpec::Core::RakeTask.new(:spec => 'app:db:test:prepare')
+
+task :default => :spec

app/assets/javascripts/unconfirm.js

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+//= require_tree .