It's a Alchemy Plugin that enable TinyMCE editor to include images from Alchemy image gallery, directly into RichText Editor.
N.B.: Use of this plugin must not be encouraged because collide with Alchemy CMS philosophy (that we fully agree) because not separate the content from layout. So use it carefully!
Insert into file 'vendor/assets/javascripts/alchemy/admin/all.js'
require 'alchemy_file_selector/alchemy_admin_require.js'
Plugin automatically add Tinymce toolbar button, if you want to change that, you have to change Tinymce toolbar configurations as usually.
Add this line to your application's Gemfile:
gem 'alchemy_file_selector'
And then execute:
$ bundle
Or install it yourself as:
$ gem install alchemy_file_selector
Contribute it if you want!
The gem is available as open source under the terms of the MIT License.