src/main/webapp/front/modules/tinymce/tinymce/plugins/nonbreaking/plugin.js

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/**
 * Copyright (c) Tiny Technologies, Inc. All rights reserved.
 * Licensed under the LGPL or a commercial license.
 * For LGPL see License.txt in the project root for license information.
 * For commercial licenses see https://www.tiny.cloud/
 *
 * Version: 5.2.0 (2020-02-13)
 */
(function () {
    'use strict';

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

    var getKeyboardSpaces = function (editor) {
      var spaces = editor.getParam('nonbreaking_force_tab', 0);
      if (typeof spaces === 'boolean') {
        return spaces === true ? 3 : 0;
      } else {
        return spaces;
      }
    };
    var wrapNbsps = function (editor) {
      return editor.getParam('nonbreaking_wrap', true, 'boolean');
    };
    var Settings = {
      getKeyboardSpaces: getKeyboardSpaces,
      wrapNbsps: wrapNbsps
    };

    var stringRepeat = function (string, repeats) {
      var str = '';
      for (var index = 0; index < repeats; index++) {
        str += string;
      }
      return str;
    };
    var isVisualCharsEnabled = function (editor) {
      return editor.plugins.visualchars ? editor.plugins.visualchars.isEnabled() : false;
    };
    var insertNbsp = function (editor, times) {
      var classes = function () {
        return isVisualCharsEnabled(editor) ? 'mce-nbsp-wrap mce-nbsp' : 'mce-nbsp-wrap';
      };
      var nbspSpan = function () {
        return '<span class="' + classes() + '" contenteditable="false">' + stringRepeat('&nbsp;', times) + '</span>';
      };
      var shouldWrap = Settings.wrapNbsps(editor);
      var html = shouldWrap || editor.plugins.visualchars ? nbspSpan() : stringRepeat('&nbsp;', times);
      editor.undoManager.transact(function () {
        return editor.insertContent(html);
      });
    };
    var Actions = { insertNbsp: insertNbsp };

    var register = function (editor) {
      editor.addCommand('mceNonBreaking', function () {
        Actions.insertNbsp(editor, 1);
      });
    };
    var Commands = { register: register };