First comment.

.gitignore

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+.bundle/
+log/*.log
+pkg/
+test/dummy/db/*.sqlite3
+test/dummy/db/*.sqlite3-journal
+test/dummy/log/*.log
+test/dummy/tmp/
+test/dummy/.sass-cache
+.DS_Store

Gemfile

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+source "https://rubygems.org"
+
+# Declare your gem's dependencies in baidu_ueditor_rails.gemspec.
+# Bundler will treat runtime dependencies like base dependencies, and
+# development dependencies will be added by default to the :development group.
+gemspec
+
+# 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

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+PATH
+  remote: .
+  specs:
+    baidu_ueditor_rails (0.0.1)
+      rails (~> 4.0.0.rc1)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    actionmailer (4.0.0.rc1)
+      actionpack (= 4.0.0.rc1)
+      mail (~> 2.5.3)
+    actionpack (4.0.0.rc1)
+      activesupport (= 4.0.0.rc1)
+      builder (~> 3.1.0)
+      erubis (~> 2.7.0)
+      rack (~> 1.5.2)
+      rack-test (~> 0.6.2)
+    activemodel (4.0.0.rc1)
+      activesupport (= 4.0.0.rc1)
+      builder (~> 3.1.0)
+    activerecord (4.0.0.rc1)
+      activemodel (= 4.0.0.rc1)
+      activerecord-deprecated_finders (~> 1.0.2)
+      activesupport (= 4.0.0.rc1)
+      arel (~> 4.0.0)
+    activerecord-deprecated_finders (1.0.2)
+    activesupport (4.0.0.rc1)
+      i18n (~> 0.6, >= 0.6.4)
+      minitest (~> 4.2)
+      multi_json (~> 1.3)
+      thread_safe (~> 0.1)
+      tzinfo (~> 0.3.37)
+    arel (4.0.0)
+    atomic (1.1.9)
+    builder (3.1.4)
+    erubis (2.7.0)
+    hike (1.2.2)
+    i18n (0.6.4)
+    mail (2.5.4)
+      mime-types (~> 1.16)
+      treetop (~> 1.4.8)
+    mime-types (1.23)
+    minitest (4.7.4)
+    multi_json (1.7.3)
+    polyglot (0.3.3)
+    rack (1.5.2)
+    rack-test (0.6.2)
+      rack (>= 1.0)
+    rails (4.0.0.rc1)
+      actionmailer (= 4.0.0.rc1)
+      actionpack (= 4.0.0.rc1)
+      activerecord (= 4.0.0.rc1)
+      activesupport (= 4.0.0.rc1)
+      bundler (>= 1.3.0, < 2.0)
+      railties (= 4.0.0.rc1)
+      sprockets-rails (~> 2.0.0.rc4)
+    railties (4.0.0.rc1)
+      actionpack (= 4.0.0.rc1)
+      activesupport (= 4.0.0.rc1)
+      rake (>= 0.8.7)
+      thor (>= 0.18.1, < 2.0)
+    rake (10.0.4)
+    sprockets (2.9.3)
+      hike (~> 1.2)
+      multi_json (~> 1.0)
+      rack (~> 1.0)
+      tilt (~> 1.1, != 1.3.0)
+    sprockets-rails (2.0.0.rc4)
+      actionpack (>= 3.0)
+      activesupport (>= 3.0)
+      sprockets (~> 2.8)
+    sqlite3 (1.3.7)
+    thor (0.18.1)
+    thread_safe (0.1.0)
+      atomic
+    tilt (1.4.1)
+    treetop (1.4.12)
+      polyglot
+      polyglot (>= 0.3.1)
+    tzinfo (0.3.37)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  baidu_ueditor_rails!
+  sqlite3

MIT-LICENSE

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+Copyright 2013 Doabit
+
+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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+# Baidu ueditor for rails
+
+[baidu ueditor][1] for rails, precompile codes from [tinymce-rails][2]
+
+  [1]: http://ueditor.baidu.com/website/
+  [2]: https://github.com/spohlenz/tinymce-rails
+
+### Notice: The project is unreleased.
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'baidu_ueditor_rails', github: 'doabit/baidu_ueditor_rails'
+
+And then execute:
+
+    $ bundle
+
+
+## Generating custom config js
+
+Usage:
+
+
+    rails g baidu_ueditor_rails:install
+
+
+Then add codes in application.js
+
+
+```ruby
+//= require baidu_ueditor
+//= require ueditor_custom_config
+```
+
+## Custom config
+
+In ueditor_custom_config.js, it looks like:
+
+```ruby
+//ueditor custom config
+(function () {
+    window.CUSTOM_CONFIG = {
+      // Insert your config code
+      // toolbars: [
+      //      ['Source','Undo','Redo','Cleardoc','SearchReplace','InsertImage','WordImage','Bold','ForeColor','JustifyLeft',
+      //      'JustifyCenter','JustifyRight','JustifyJustify','RemoveFormat','FormatMatch','AutoTypeSet','PastePlain',
+      //      'FontSize','Preview','Link','FullScreen', 'PageBreak', 'InsertTable','Attachment','InsertVideo']
+      // ]
+    };
+    jQuery.extend(window.UEDITOR_CONFIG, window.CUSTOM_CONFIG);
+})();
+```
+
+you can write your custom config in
+
+```ruby
+window.CUSTOM_CONFIG = {
+  //.........
+};
+```
+
+## Views
+
+```javascript
+<script type="text/javascript">
+  var editor = new UE.ui.Editor();
+  editor.render("your_textarea_id");
+</script>
+```
+
+## TODO
+
+1. Add upload image and file.
+2. Add form helpers.
+
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request

Rakefile

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+begin
+  require 'bundler/setup'
+rescue LoadError
+  puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
+end
+
+require 'rdoc/task'
+
+RDoc::Task.new(:rdoc) do |rdoc|
+  rdoc.rdoc_dir = 'rdoc'
+  rdoc.title    = 'BaiduUeditorRails'
+  rdoc.options << '--line-numbers'
+  rdoc.rdoc_files.include('README.rdoc')
+  rdoc.rdoc_files.include('lib/**/*.rb')
+end
+
+APP_RAKEFILE = File.expand_path("../test/dummy/Rakefile", __FILE__)
+load 'rails/tasks/engine.rake'
+
+
+
+Bundler::GemHelper.install_tasks
+
+require 'rake/testtask'
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << 'lib'
+  t.libs << 'test'
+  t.pattern = 'test/**/*_test.rb'
+  t.verbose = false
+end
+
+
+task default: :test

app/assets/javascripts/baidu_ueditor.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
+// 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 ueditor/ueditor.all.min
+//= require ueditor/preinit
+//= require ueditor/ueditor.config
+

app/assets/javascripts/ueditor/preinit.js.erb

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+(function () {
+    window.UEDITOR_HOME_URL = '/assets/ueditor/'
+})();

app/helpers/baidu_ueditor_rails/application_helper.rb

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+module BaiduUeditorRails
+  module ApplicationHelper
+  end
+end

baidu_ueditor_rails.gemspec

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+$:.push File.expand_path("../lib", __FILE__)
+
+# Maintain your gem's version:
+require "baidu_ueditor_rails/version"
+
+# Describe your gem and declare its dependencies:
+Gem::Specification.new do |s|
+  s.name        = "baidu_ueditor_rails"
+  s.version     = BaiduUeditorRails::VERSION
+  s.authors     = ["doabit"]
+  s.email       = ["[email protected]"]
+  s.homepage    = "https://github.com/baidu_ueditor_rails"
+  s.summary     = "Baidu ueditor for rails."
+  s.description = "Baidu ueditor for rails."
+
+  s.files = Dir["{app,config,db,lib}/**/*", "MIT-LICENSE", "Rakefile", "README.rdoc"]
+  s.test_files = Dir["test/**/*"]
+
+  s.add_dependency "rails", ">=3.1.1"
+
+  s.add_development_dependency "sqlite3"
+end

bin/rails

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+#!/usr/bin/env ruby
+# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
+
+ENGINE_ROOT = File.expand_path('../..', __FILE__)
+ENGINE_PATH = File.expand_path('../../lib/baidu_ueditor_rails/engine', __FILE__)
+
+require 'rails/all'
+require 'rails/engine/commands'

lib/baidu_ueditor_rails.rb

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+module BaiduUeditorRails
+  require "baidu_ueditor_rails/engine"
+end

lib/baidu_ueditor_rails/asset_installer.rb

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+require "baidu_ueditor_rails/asset_manifest"
+
+module BaiduUeditorRails
+  class AssetInstaller
+    ASSETS = Pathname.new(File.expand_path(File.dirname(__FILE__) + "/../../vendor/assets/javascripts/ueditor"))
+
+    def initialize(target, manifest_path)
+      @target = target
+      @manifest_path = manifest_path || target
+    end
+
+    def install
+      cleanup_assets
+      copy_assets
+      append_to_manifest
+
+      manifest.write
+    end
+
+  private
+    def manifest
+      @manifest ||= AssetManifest.load(@manifest_path)
+    end
+
+    def cleanup_assets
+      manifest.each(/^tinymce\//) do |asset|
+        manifest.remove(asset) if index_asset?(asset)
+
+        manifest.remove_digest(asset) do |src, dest|
+          move_asset(src, dest)
+        end
+      end
+    end
+
+    def copy_assets
+      FileUtils.cp_r(ASSETS, @target, :preserve => true)
+    end
+
+    def append_to_manifest
+      asset_files.each do |file|
+        manifest.append(logical_path(file), file)
+      end
+    end
+
+    def asset_files
+      Pathname.glob("#{ASSETS}/**/*").select(&:file?)
+    end
+
+    def logical_path(file)
+      file.relative_path_from(ASSETS.parent).to_s
+    end
+
+    def move_asset(src, dest)
+      src = File.join(@target, src)
+      dest = File.join(@target, dest)
+
+      FileUtils.mv(src, dest, :force => true) if src != dest && File.exists?(src)
+    end
+
+    def index_asset?(asset)
+      asset =~ /\/index\.js$/
+    end
+  end
+end