app/assets/javascripts/watch_form_changes.js.coffee
App.WatchFormChanges =
forms: ->
return $('form[data-watch-changes]')
msg: ->
if($('[data-watch-form-message]').length)
return $('[data-watch-form-message]').data('watch-form-message')
checkChanges: (event) ->
changes = false
App.WatchFormChanges.forms().each ->
form = $(this)
if form.serialize() != form.data('watchChanges')
changes = true
if changes
return confirm(App.WatchFormChanges.msg())
else
return true
initialize: ->
if App.WatchFormChanges.forms().length == 0 || App.WatchFormChanges.msg() == undefined
return
$(document).off('page:before-change').on('page:before-change', (e) -> App.WatchFormChanges.checkChanges(e))
App.WatchFormChanges.forms().each ->
form = $(this)
form.data('watchChanges', form.serialize())
false