lubuntu.me/plugins/so-widgets-bundle/base/inc/fields/js/presets-field.min.js

!function(e){e(document).on("sowsetupformfield",".siteorigin-widget-field-type-presets",function(i){var t=e(this).find('select[class="siteorigin-widget-input"]');if(!t.data("initialized")){var s=t.find("+ .sowb-presets-field-undo");s.hide();var r=t.data("presets");t.change(function(){var e=t.val();if(e&&r.hasOwnProperty(e)){var i=r[e].values,a=t.closest(".siteorigin-widget-form-main"),o=t.data("previousValues");if(!o){var n=JSON.parse(JSON.stringify(i)),u=sowbForms.getWidgetFormValues(a),l=0,d=function(e,i){if(++l>10)return i;for(var t in i)if(e.hasOwnProperty(t)){var s=e[t],r=i[t];null!==s&&null!==r&&"object"==typeof s?d(s,r):i[t]=s}return i};o=d(u,n),t.data("previousValues",o)}s.not(":visible")&&(s.show(),s.click(function(e){e.preventDefault(),s.hide(),sowbForms.setWidgetFormValues(a,o,!0),t.removeData("previousValues"),t.val("")})),sowbForms.setWidgetFormValues(a,i,!0)}}),t.data("initialized",!0)}})}(jQuery);