WordPress/wp-includes/js/tinymce/plugins/directionality/plugin.js

(function () {

var defs = {}; // id -> {dependencies, definition, instance (possibly undefined)}

// Used when there is no 'main' module.
// The name is probably (hopefully) unique so minification removes for releases.
var register_3795 = function (id) {
  var module = dem(id);
  var fragments = id.split('.');
  var target = Function('return this;')();
  for (var i = 0; i < fragments.length - 1; ++i) {
    if (target[fragments[i]] === undefined)
      target[fragments[i]] = {};
    target = target[fragments[i]];
  }
  target[fragments[fragments.length - 1]] = module;
};

var instantiate = function (id) {
  var actual = defs[id];
  var dependencies = actual.deps;
  var definition = actual.defn;
  var len = dependencies.length;
  var instances = new Array(len);
  for (var i = 0; i < len; ++i)
    instances[i] = dem(dependencies[i]);
  var defResult = definition.apply(null, instances);
  if (defResult === undefined)
     throw 'module [' + id + '] returned undefined';
  actual.instance = defResult;
};

var def = function (id, dependencies, definition) {
  if (typeof id !== 'string')
    throw 'module id must be a string';
  else if (dependencies === undefined)
    throw 'no dependencies for ' + id;
  else if (definition === undefined)
    throw 'no definition function for ' + id;
  defs[id] = {
    deps: dependencies,
    defn: definition,
    instance: undefined
  };
};

var dem = function (id) {
  var actual = defs[id];
  if (actual === undefined)
    throw 'module [' + id + '] was undefined';
  else if (actual.instance === undefined)
    instantiate(id);
  return actual.instance;
};

var req = function (ids, callback) {
  var len = ids.length;
  var instances = new Array(len);
  for (var i = 0; i < len; ++i)
    instances.push(dem(ids[i]));
  callback.apply(null, callback);
};

var ephox = {};

ephox.bolt = {
  module: {
    api: {
      define: def,
      require: req,
      demand: dem
    }
  }
};

var define = def;
var require = req;
var demand = dem;
// this helps with minificiation when using a lot of global references
var defineGlobal = function (id, ref) {
  define(id, [], function () { return ref; });
};
/*jsc
["tinymce.plugins.directionality.Plugin","tinymce.core.PluginManager","tinymce.core.util.Tools","global!tinymce.util.Tools.resolve"]
jsc*/
defineGlobal("global!tinymce.util.Tools.resolve", tinymce.util.Tools.resolve);
/**
 * ResolveGlobal.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.core.PluginManager',
  [
    'global!tinymce.util.Tools.resolve'
  ],
  function (resolve) {
    return resolve('tinymce.PluginManager');
  }
);

/**
 * ResolveGlobal.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.core.util.Tools',
  [
    'global!tinymce.util.Tools.resolve'
  ],
  function (resolve) {
    return resolve('tinymce.util.Tools');
  }
);

/**
 * Plugin.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
 */

/**
 * This class contains all core logic for the directionality plugin.
 *
 * @class tinymce.directionality.Plugin
 * @private
 */
define(
  'tinymce.plugins.directionality.Plugin',
  [
    'tinymce.core.PluginManager',
    'tinymce.core.util.Tools'
  ],
  function (PluginManager, Tools) {
    PluginManager.add('directionality', function (editor) {
      function setDir(dir) {
        var dom = editor.dom, curDir, blocks = editor.selection.getSelectedBlocks();

        if (blocks.length) {
          curDir = dom.getAttrib(blocks[0], "dir");

          Tools.each(blocks, function (block) {
            // Add dir to block if the parent block doesn't already have that dir
            if (!dom.getParent(block.parentNode, "*[dir='" + dir + "']", dom.getRoot())) {
              if (curDir != dir) {
                dom.setAttrib(block, "dir", dir);
              } else {
                dom.setAttrib(block, "dir", null);
              }
            }
          });

          editor.nodeChanged();
        }
      }

      function generateSelector(dir) {
        var selector = [];

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

        return selector.join(',');
      }

      editor.addCommand('mceDirectionLTR', function () {
        setDir("ltr");
      });

      editor.addCommand('mceDirectionRTL', function () {
        setDir("rtl");
      });

      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 function () { };
  }
);
dem('tinymce.plugins.directionality.Plugin')();
})();