public override Widget build(BuildContext buildContext)
{
return(new Clickable(
onTap: () =>
{
if (_expanded)
{
return;
}
_expanded = true;
switch (widget._overlayType)
{
case DropDownOverlayType.scrollable:
_guid = ScrollableOverlay.of(buildContext).Add(_dropDownOverlayBuilder);
break;
case DropDownOverlayType.builtin:
Overlay.of(buildContext).insert(_overlayEntry);
break;
default:
throw new ArgumentOutOfRangeException();
}
if (_screenOverlayState == null)
{
_screenOverlayState = ScreenOverlay.of(buildContext);
}
_screenOverlayState.AddOnTapListener(OnScreenTap);
},
child: widget._selectBuilder.Invoke()
));
}
public override void initState()
{
base.initState();
_filterType = FilterType.manual;
_textEditingController = new TextEditingController();
_focusNode = new FocusNode();
_screenOverlayState = ScreenOverlay.of(context);
_screenOverlayState.AddOnTapListener(LoseFocus);
}