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File: TextBlock.js
/**
 * TextBlock.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.lists.core.TextBlock',
  [
    'tinymce.core.dom.DOMUtils',
    'tinymce.core.Env',
    'tinymce.plugins.lists.core.NodeType'
  ],
  function (DOMUtils, Env, NodeType) {
    var DOM = DOMUtils.DOM;

    var createNewTextBlock = function (editor, contentNode, blockName) {
      var node, textBlock, fragment = DOM.createFragment(), hasContentNode;
      var blockElements = editor.schema.getBlockElements();

      if (editor.settings.forced_root_block) {
        blockName = blockName || editor.settings.forced_root_block;
      }

      if (blockName) {
        textBlock = DOM.create(blockName);

        if (textBlock.tagName === editor.settings.forced_root_block) {
          DOM.setAttribs(textBlock, editor.settings.forced_root_block_attrs);
        }

        if (!NodeType.isBlock(contentNode.firstChild, blockElements)) {
          fragment.appendChild(textBlock);
        }
      }

      if (contentNode) {
        while ((node = contentNode.firstChild)) {
          var nodeName = node.nodeName;

          if (!hasContentNode && (nodeName !== 'SPAN' || node.getAttribute('data-mce-type') !== 'bookmark')) {
            hasContentNode = true;
          }

          if (NodeType.isBlock(node, blockElements)) {
            fragment.appendChild(node);
            textBlock = null;
          } else {
            if (blockName) {
              if (!textBlock) {
                textBlock = DOM.create(blockName);
                fragment.appendChild(textBlock);
              }

              textBlock.appendChild(node);
            } else {
              fragment.appendChild(node);
            }
          }
        }
      }

      if (!editor.settings.forced_root_block) {
        fragment.appendChild(DOM.create('br'));
      } else {
        // BR is needed in empty blocks on non IE browsers
        if (!hasContentNode && (!Env.ie || Env.ie > 10)) {
          textBlock.appendChild(DOM.create('br', { 'data-mce-bogus': '1' }));
        }
      }

      return fragment;
    };

    return {
      createNewTextBlock: createNewTextBlock
    };
  }
);