This demo uses latest git version of elFinder 2.x which is not yet released.
There are several branches that you might be interested in depending upon what version of Rails and elFinder you wish to run.
Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Control pattern.
elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. As you can see its creation is inspired by simplicity and convenience of Finder program used in Mac OS X operating system.
This is a demo application that shows how to integrate the two using the 'el_finder' ruby gem.
http://github.com/phallstrom/el_finder
el_finder
ruby gem- ImageMagick's
mogrify
andconvert
command for thumbnails to work