app/assets/javascripts/upload.coffee
#= require jquery-fine-uploader
within 'datastore', 'upload', ->
endpoint = $('#uploader').data 'endpoint'
uploader = $('#uploader').fineUploader
request:
inputName: 'file'
filenameParam: 'filename'
endpoint: endpoint
params:
dir: gon.dir
authenticity_token: gon.token
autoUpload: false
editFilename:
enabled: true
$('#trigger-upload').click ->
uploader.fineUploader 'uploadStoredFiles'