tools/dom/templates/html/impl/impl_DocumentFragment.darttemplate

// Copyright (c) 2011, 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)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
  factory $CLASSNAME() => _$(CLASSNAME)FactoryProvider.createDocumentFragment();

  factory $CLASSNAME.html(String html) =>
      _$(CLASSNAME)FactoryProvider.createDocumentFragment_html(html);

  factory $CLASSNAME.svg(String svgContent) =>
      _$(CLASSNAME)FactoryProvider.createDocumentFragment_svg(svgContent);

$if DART2JS
  // Native field is used only by Dart code so does not lead to instantiation
  // of native classes
  @Creates('Null')
$endif
  List<Element> _children;

  List<Element> get children {
    if (_children == null) {
      _children = new FilteredElementList(this);
    }
    return _children;
  }

  void set children(List<Element> value) {
    // Copy list first since we don't want liveness during iteration.
    List copy = new List.from(value);
    var children = this.children;
    children.clear();
    children.addAll(copy);
  }

  Element query(String selectors) => $dom_querySelector(selectors);

  List<Element> queryAll(String selectors) =>
    new _FrozenElementList._wrap($dom_querySelectorAll(selectors));

  String get innerHtml {
    final e = new Element.tag("div");
    e.append(this.clone(true));
    return e.innerHtml;
  }

  // TODO(nweiz): Do we want to support some variant of innerHtml for XML and/or
  // SVG strings?
  void set innerHtml(String value) {
    this.nodes.clear();

    final e = new Element.tag("div");
    e.innerHtml = value;

    // Copy list first since we don't want liveness during iteration.
    List nodes = new List.from(e.nodes, growable: false);
    this.nodes.addAll(nodes);
  }

  /**
   * Adds the specified text as a text node after the last child of this
   * document fragment.
   */
  void appendText(String text) {
    this.append(new Text(text));
  }


  /**
   * Parses the specified text as HTML and adds the resulting node after the
   * last child of this document fragment.
   */
  void appendHtml(String text) {
    this.append(new DocumentFragment.html(text));
  }

$!MEMBERS
}