buildLeading method

Implementation

Widget buildLeading(BuildContext context, WidgetRef ref, {bool? expanded}) {
  switch (this) {
    case ModuleNode():
      return Tooltip(
        message: 'Module',
        waitDuration: const Duration(milliseconds: 240),
        child: ElementTileIcons.module.icon,
      );

    case FolderNode():
      if (expanded ?? isExpanded) {
        return ElementTileIcons.folderOpen.icon;
      } else {
        return ElementTileIcons.folder.icon;
      }

    case ComponentNode(:final component):
      final addons = ref.watch(addonsProvider).whereType<ExplorerAddon>();
      Widget icon = Tooltip(
        message: [
          'Component',
          if (!kReleaseMode && component.meta.warnings.isNotEmpty)
            ...component.meta.warnings.map((e) => '• $e'),
        ].join('\n'),
        waitDuration: const Duration(milliseconds: 240),
        child: !kReleaseMode && component.meta.warnings.isNotEmpty
            ? ElementTileIcons.warning.icon
            : ElementTileIcons.component.icon,
      );

      for (final addon in addons) {
        icon = addon.visitComponentIcon(context, component, icon) ?? icon;
      }

      return icon;

    case DocumentationNode():
      return Tooltip(
        message: 'Documentation Entry',
        waitDuration: const Duration(milliseconds: 240),
        child: ElementTileIcons.document.icon,
      );

    case StoryNode(:final component, :final story):
      final addons = ref.watch(addonsProvider).whereType<ExplorerAddon>();
      Widget icon = Tooltip(
        message: 'Component Story or Scenario',
        waitDuration: const Duration(milliseconds: 240),
        child: ElementTileIcons.story.icon,
      );

      for (final addon in addons) {
        icon = addon.visitStoryIcon(context, component, story, icon) ?? icon;
      }

      return icon;

    default:
      return const SizedBox.shrink();
  }
}