MDCMenu _buildSamplesMenu()

in lib/playground.dart [214:264]
45 lines of code
2 McCabe index (conditional complexity)

  MDCMenu _buildSamplesMenu() {
    final element = querySelector('#samples-menu')!;
    element.children.clear();

    const samples = [
      Sample('e75b493dae1287757c5e1d77a0dc73f1', 'Counter', Layout.flutter),
      Sample('5c0e154dd50af4a9ac856908061291bc', 'Sunflower', Layout.flutter),
      Sample('a1d5666d6b54a45eb170b897895cf757', 'Draggables & physics',
          Layout.flutter),
      Sample('85e77d36533b16647bf9b6eb8c03296d', 'Implicit animations',
          Layout.flutter),
      Sample('d57c6c898dabb8c6fb41018588b8cf73', 'Firebase Nanochat',
          Layout.flutter),
      Sample(
          '493c8b3ef8931cbac3fbbe5c04b9c4cf', 'Google Fonts', Layout.flutter),
      Sample('a133148221a8cbacbcef8bc77a6c82ec', 'Provider', Layout.flutter),
      Sample(
          'fdd369962f4ff6700a83c8a540fd6c4c', 'Flutter Bloc', Layout.flutter),
      Sample('c0f7c578204d61e08ec0fbc4d63456cd', 'Hello World', Layout.dart),
      Sample('d3bd83918d21b6d5f778bdc69c3d36d6', 'Fibonacci', Layout.dart),
      Sample('4a68e553746602d851ab3da6aeafc3dd', 'HTTP requests', Layout.dart),
    ];

    final listElement = _mdcList();
    element.children.add(listElement);

    for (final sample in samples) {
      final menuElement = _mdcListItem(children: [
        ImageElement()
          ..classes.add('mdc-list-item__graphic')
          ..src = 'pictures/logo_${_layoutToString(sample.layout)}.png',
        SpanElement()
          ..classes.add('mdc-list-item__text')
          ..text = sample.name,
      ]);
      listElement.children.add(menuElement);
    }

    final samplesMenu = MDCMenu(element)
      ..setAnchorCorner(AnchorCorner.bottomLeft)
      ..setAnchorElement(_samplesDropdownButton)
      ..hoistMenuToBody();

    samplesMenu.listen('MDCMenu:selected', (e) {
      final index = (e as CustomEvent).detail['index'] as int;
      final gistId = samples.elementAt(index).gistId;
      showGist(gistId);
    });

    return samplesMenu;
  }