// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

part of $LIBRARYNAME;

$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {

  List<TableCellElement> get cells =>
      new _WrappedList<TableCellElement>(_cells);

  TableCellElement addCell() {
    return insertCell(-1);
  }

  TableCellElement insertCell(int index) =>
      _insertCell(index) $#NULLSAFECAST(as TableCellElement);

  DocumentFragment createFragment(String$NULLABLE html,
      {NodeValidator$NULLABLE validator,
       NodeTreeSanitizer$NULLABLE treeSanitizer}) {
    if (Range.supportsCreateContextualFragment) {
      return super.createFragment(
          html, validator: validator, treeSanitizer: treeSanitizer);
    }
    // IE9 workaround which does not support innerHTML on Table elements.
    var fragment = new DocumentFragment();
    var section = new TableElement().createFragment(
        html, validator: validator, treeSanitizer: treeSanitizer).nodes.single;
    var row = section.nodes.single;
    fragment.nodes.addAll(row.nodes);
    return fragment;
  }

$!MEMBERS}
