topNav method

Implementation

Widget topNav(TopResources ti) {
  Widget inner = AnimatedContainer(
      duration: ti.globalDuration,
      margin: () {
        EdgeInsets margin = ti.frame.vertical
            ? EdgeInsets.zero
            : const EdgeInsets.only(right: 20);
        if (ti.frame.vertical && !ti.frame.expanded) {
          margin += const EdgeInsets.only(bottom: 20);
        }
        return margin;
      }(),
      child: AnimatedAlign(
          duration: ti.globalDuration,
          alignment:
              ti.frame.expanded ? Alignment.center : Alignment.centerLeft,
          child: Row(mainAxisSize: MainAxisSize.min, children: [
            const SizedBox.square(
                dimension: 50,
                child: Center(
                  child: Icon(Icons.menu),
                )),
            Text(
              _title == "" ? widget.appName : _title,
              style: Theme.of(context).textTheme.titleMedium,
            ),
          ])));
  if (widget.floatingItem != null) {
    inner = Row(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Expanded(child: inner),
        if (vertical)
          AnimatedSwitcher(
              duration: ti.globalDuration,
              transitionBuilder: (child, anim) => SizeTransition(
                  sizeFactor: anim,
                  axis: Axis.horizontal,
                  axisAlignment: -1.0,
                  child: child),
              child: !ti.frame.expanded ? widget.floatingItem : null)
      ],
    );
  }
  return SizedOverflowBox(
      alignment: Alignment.topLeft,
      size: const Size.fromHeight(50),
      child: InkResponse(
        highlightShape: BoxShape.rectangle,
        containedInkWell: true,
        onTap: () => expanded = !_expanded,
        child: inner,
      ));
}