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Edit File: plugin.js

(function () {
var directionality = (function () {
    'use strict';

var global = tinymce.util.Tools.resolve('tinymce.PluginManager');

var global$1 = tinymce.util.Tools.resolve('tinymce.util.Tools');

var setDir = function (editor, dir) {
      var dom = editor.dom;
      var curDir;
      var blocks = editor.selection.getSelectedBlocks();
      if (blocks.length) {
        curDir = dom.getAttrib(blocks[0], 'dir');
        global$1.each(blocks, function (block) {
          if (!dom.getParent(block.parentNode, '*[dir="' + dir + '"]', dom.getRoot())) {
            dom.setAttrib(block, 'dir', curDir !== dir ? dir : null);
          }
        });
        editor.nodeChanged();
      }
    };
    var Direction = { setDir: setDir };

var register = function (editor) {
      editor.addCommand('mceDirectionLTR', function () {
        Direction.setDir(editor, 'ltr');
      });
      editor.addCommand('mceDirectionRTL', function () {
        Direction.setDir(editor, 'rtl');
      });
    };
    var Commands = { register: register };

var generateSelector = function (dir) {
      var selector = [];
      global$1.each('h1 h2 h3 h4 h5 h6 div p'.split(' '), function (name) {
        selector.push(name + '[dir=' + dir + ']');
      });
      return selector.join(',');
    };
    var register$1 = 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')
      });
    };
    var Buttons = { register: register$1 };

global.add('directionality', function (editor) {
      Commands.register(editor);
      Buttons.register(editor);
    });
    function Plugin () {
    }

return Plugin;

}());
})();

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