tldtest.net/staticfiles/admin_extra_buttons.min.js

(function($){$("li a.aeb-disable-on-click").click(function(e){if($(this).hasClass("disabled")){e.preventDefault()}else{$(this).removeClass("btn-success").addClass("disabled")}});var update=function(frm){return function(){var changes=frm.serialize();if(changes!==frm.data("serialized")){$(".object-tools").find("a.aeb-disable_on_edit").not(".disabled").addClass("disabled").addClass("auto")}else{$(".object-tools").find("a.aeb-disable_on_edit.disabled.auto").removeClass("disabled").removeClass("auto")}}};$(function(){$("FORM").each(function(i,form){var $form=$(form);$form.data("serialized",$form.serialize());$form.on("change input",update($form))})})})(django.jQuery);