createPainter method

@override CustomPainter createPainter(BuildContext context, TreeEntry<Object> entry)

Subclasses must override this method to provide the CustomPainter that will handle line painting.

Implementation

@override
CustomPainter createPainter(BuildContext context, TreeEntry<Object> entry) {
  return _ConnectingLinesPainter(
    guide: this,
    entry: entry,
    textDirection: Directionality.maybeOf(context),
  );
}