Issue #3132708: Improve labels

(function ($) {

  Drupal.behaviors.advancedform = {

    attach: function (context) {

      $('.node-form').once().prepend("<button class='advanced-form-toggle btn' type='button' title='Some form elements may be hidden. Switch this form between full and partial detail'>Switch to Advanced</button>");

      $('.node-form').once().prepend("<button class='advanced-form-toggle btn' type='button' title='Some form elements may be hidden. Switch this form between full and partial detail'>Show additional fields</button>");

      $('.advanced-form-toggle').on('click', function () {

        if ($(this).text() == 'Switch to Advanced') {

        if ($(this).text() == 'Show additional fields') {

          $('.node-form').removeClass('advanced-form-filtered');

          $(this).html('Switch to Filtered');

          $(this).html('Hide additional fields');

        }

        else {

          $('.node-form').addClass('advanced-form-filtered');

          $(this).html('Switch to Advanced');

          $(this).html('Show additional fields');

        }

      });