File: public/js/tinymce/src/plugins/toc/src/main/js/core/FilterContent.js

/**
 * FilterContent.js
 *
 * Released under LGPL License.
 * Copyright (c) 1999-2017 Ephox Corp. All rights reserved
 *
 * License: http://www.tinymce.com/license
 * Contributing: http://www.tinymce.com/contributing
 */

define(
  'tinymce.plugins.toc.core.FilterContent',
  [
    'tinymce.plugins.toc.api.Settings'
  ],
  function (Settings) {
    var setup = function (editor) {
      var $ = editor.$, tocClass = Settings.getTocClass(editor);

      editor.on('PreProcess', function (e) {
        var $tocElm = $('.' + tocClass, e.node);
        if ($tocElm.length) {
          $tocElm.removeAttr('contentEditable');
          $tocElm.find('[contenteditable]').removeAttr('contentEditable');
        }
      });

      editor.on('SetContent', function () {
        var $tocElm = $('.' + tocClass);
        if ($tocElm.length) {
          $tocElm.attr('contentEditable', false);
          $tocElm.children(':first-child').attr('contentEditable', true);
        }
      });
    };

    return {
      setup: setup
    };
  }
);