File: public/js/tinymce/src/core/src/main/js/keyboard/SpaceKey.js

/**
 * SpaceKey.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.keyboard.SpaceKey',
  [
    'tinymce.core.keyboard.InsertSpace',
    'tinymce.core.keyboard.MatchKeys',
    'tinymce.core.util.VK'
  ],
  function (InsertSpace, MatchKeys, VK) {
    var executeKeydownOverride = function (editor, evt) {
      MatchKeys.execute([
        { keyCode: VK.SPACEBAR, action: MatchKeys.action(InsertSpace.insertAtSelection, editor) }
      ], evt).each(function (_) {
        evt.preventDefault();
      });
    };

    var setup = function (editor) {
      editor.on('keydown', function (evt) {
        if (evt.isDefaultPrevented() === false) {
          executeKeydownOverride(editor, evt);
        }
      });
    };

    return {
      setup: setup
    };
  }
);