Prettier Rails confirmation dialogs

link_to_with_confirm.rb

link_to("Destroy", "http://www.example.com", :method => :delete, :confirm => "Are you sure?")

rails_confirm.js.coffee

customConfirmBox = (message, callback) ->
  template = '''
    <div id="dialog-confirm" title="Confirmation" class="hidden">
      <p>
        {{message}}
      </p>
    </div>
  '''
  view =
    message: message
  html = Mustache.to_html(template, view)
  $(html).appendTo("body").dialog
    resizable: false
    modal: true
    buttons:
      "Yes, I'm sure": ->
        callback()
        $(@).dialog("close").remove()
      "Cancel": ->
        $(@).dialog("close").remove()

$.rails.allowAction = (element) ->
  message = element.data("confirm")
  answer = false

  return true unless message?

  if $.rails.fire(element, "confirm")
    customConfirmBox message, ->
      callback = $.rails.fire(element, "confirm:complete", [answer])
      if callback?
        oldAllowAction = $.rails.allowAction
        $.rails.allowAction = ->
          true
        element.trigger("click")
        $.rails.allowAction = oldAllowAction
  return false