File: public/js/tinymce/src/plugins/directionality/src/main/js/ui/Buttons.js

/**
 * Buttons.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.directionality.ui.Buttons',
  [
    'tinymce.core.util.Tools'
  ],
  function (Tools) {
    var generateSelector = function (dir) {
      var selector = [];

      Tools.each('h1 h2 h3 h4 h5 h6 div p'.split(' '), function (name) {
        selector.push(name + '[dir=' + dir + ']');
      });

      return selector.join(',');
    };

    var register = function (editor) {
      editor.addButton('ltr', {
        title: 'Left to right',
        cmd: 'mceDirectionLTR',
        stateSelector: generateSelector('ltr')
      });

      editor.addButton('rtl', {
        title: 'Right to left',
        cmd: 'mceDirectionRTL',
        stateSelector: generateSelector('rtl')
      });
    };

    return {
      register: register
    };
  }
);