How to add ckeditor to active admin on Rails

1. Gemfile дотор доорхийг нэм:
gem 'activeadmin-ckeditor'
gem 'activeadmin', github: 'activeadmin'
gem 'devise'
gem 'paperclip'
gem 'ckeditor'#, github: 'galetahub/ckeditor'

2. Run

bundle install

rails generate active_admin:install

rake db:migrate 

2. /config/initializers/active_admin.rb дотор доорхийг нэм:

# To load a javascript file:
config.register_javascript 'ckeditor/init.js'

3. rails g scaffold project name:title description:text

rake db:migrate

4. rails generate active_admin:resource project

5. Edit app/admin/project.rb

ActiveAdmin.register Project do

permit_params :title, :description

form do |f|
  f.inputs do
    f.input :title
    f.input :description, :as => :ckeditor
  end
end

end
  

6. Add to app/assets/stylesheets/active_admin.css.scss:

.cke_chrome {
  width: 79.5% !important;
  overflow: hidden;
}