Club Drupal

  "use strict";

  Drupal.behaviors.diffRevisions = {

    attach: function (context, settings) {

      var $rows = $('table.diff-revisions tbody tr');

      function updateDiffRadios() {

        var newTd = false;

        var oldTd = false;

        if (!$rows.length) {

        $rows.removeClass('selected').each(function() {

          var $row = $(this);

          $row.removeClass('selected');

          var $inputs = $row.find('input[type="radio"]');

          var $oldRadio = $inputs.filter('[name="old"]').eq(0);

          var $newRadio = $inputs.filter('[name="new"]').eq(0);

          if (!$oldRadio.length || !$newRadio.length) {

            return true;

          }

          if ($oldRadio.attr('checked')) {

            oldTd = true;

            $row.addClass('selected');

            $oldRadio.css('visibility', 'visible');

            $newRadio.css('visibility', 'hidden');

          }

          else if ($newRadio.attr('checked')) {

            newTd = true;

            $row.addClass('selected');

            $oldRadio.css('visibility', 'hidden');

            $newRadio.css('visibility', 'visible');

          }

          else {

            if (Drupal.settings.diffRevisionRadios == 'linear') {

              if (newTd && oldTd) {

                $oldRadio.css('visibility', 'visible');

                $newRadio.css('visibility', 'hidden');

              }

              else if (newTd) {

                $newRadio.css('visibility', 'visible');

                $oldRadio.css('visibility', 'visible');

              }

              else {

                $newRadio.css('visibility', 'visible');

                $oldRadio.css('visibility', 'hidden');

              }

            }

            else {

        });

        return true;

      }

      if (Drupal.settings.diffRevisionRadios) {

        $rows.find('input[name="new"], input[name="old"]').click(updateDiffRadios);

        updateDiffRadios();

      }

  };