# General event handler for showing, hiding, and toggling elements.
#
# Usage: <a href="x" data-show="#my_form">
# If #my_form exists, we'll call show() on it.
# Otherwise, we'll follow the link to x.
$(document).on 'click', 'a[data-toggle], a[data-show], a[data-hide]', (e) ->
  link = $(@)
  for opt in ['toggle', 'show', 'hide']
    if link.data(opt)? && $(link.data(opt)).length > 0
      $(link.data(opt))[opt]()
      e.preventDefault() unless e.isDefaultPrevented()