// 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 svg;

class _AttributeClassSet extends CssClassSet {
  final Element _element;

  _AttributeClassSet(this._element);

  Set<String> readClasses() {
    var classname = _element.attributes['class'];

    Set<String> s = new Set<String>();
    if (classname == null) {
      return s;
    }
    for (String name in classname.split(' ')) {
      String trimmed = name.trim();
      if (!trimmed.isEmpty) {
        s.add(trimmed);
      }
    }
    return s;
  }

  void writeClasses(Set s) {
    List list = new List.from(s);
    _element.attributes['class'] = Strings.join(list, ' ');
  }
}
$ANNOTATIONS
class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
  factory $CLASSNAME.tag(String tag) =>
      _$(CLASSNAME)FactoryProvider.create$(CLASSNAME)_tag(tag);
  factory $CLASSNAME.svg(String svg) =>
      _$(CLASSNAME)FactoryProvider.create$(CLASSNAME)_svg(svg);

  _AttributeClassSet _cssClassSet;
  CssClassSet get classes {
    if (_cssClassSet == null) {
      _cssClassSet = new _AttributeClassSet(this);
    }
    return _cssClassSet;
  }

  @deprecated
  List<Element> get elements => new FilteredElementList(this);

  @deprecated
  void set elements(Collection<Element> value) {
    final elements = this.elements;
    elements.clear();
    elements.addAll(value);
  }

  List<Element> get children => new FilteredElementList(this);

  void set children(List<Element> value) {
    final children = this.children;
    children.clear();
    children.addAll(value);
  }

  String get outerHtml {
    final container = new Element.tag("div");
    final SvgElement cloned = this.clone(true);
    container.children.add(cloned);
    return container.innerHtml;
  }

  String get innerHtml {
    final container = new Element.tag("div");
    final SvgElement cloned = this.clone(true);
    container.children.addAll(cloned.children);
    return container.innerHtml;
  }

  void set innerHtml(String svg) {
    final container = new Element.tag("div");
    // Wrap the SVG string in <svg> so that SvgElements are created, rather than
    // HTMLElements.
    container.innerHtml = '<svg version="1.1">$svg</svg>';
    this.children = container.children[0].children;
  }

  // Unsupported methods inherited from Element.

  @DomName('Element.insertAdjacentText')
  void insertAdjacentText(String where, String text) {
    throw new UnsupportedError("Cannot invoke insertAdjacentText on SVG.");
  }

  @DomName('Element.insertAdjacentHTML')
  void insertAdjacentHtml(String where, String text) {
    throw new UnsupportedError("Cannot invoke insertAdjacentHtml on SVG.");
  }

  @DomName('Element.insertAdjacentHTML')
  Element insertAdjacentElement(String where, Element element) {
    throw new UnsupportedError("Cannot invoke insertAdjacentElement on SVG.");
  }

  HtmlCollection get $dom_children {
    throw new UnsupportedError("Cannot get dom_children on SVG.");
  }

  bool get isContentEditable => false;
  void click() {
    throw new UnsupportedError("Cannot invoke click SVG.");
  }

$!MEMBERS
}