slidable_in_depth_01

slidable_in_depth_01.dart

abstract class SlidableStackDelegate extends SlidableDelegate {
  const SlidableStackDelegate({
    double fastThreshold,
  }) : super(fastThreshold: fastThreshold);

  @override
  Widget buildActions(BuildContext context, SlidableDelegateContext ctx) {
    final animation = new Tween(
      begin: Offset.zero,
      end: ctx.createOffset(ctx.state.totalActionsExtent * ctx.state.dragSign),
    ).animate(ctx.state.actionsMoveAnimation);

    if (ctx.state.actionsMoveAnimation.value != .0) {
      return new Container(
        child: new Stack(
          children: <Widget>[
            buildStackActions(
              context,
              ctx,
            ),
            new SlideTransition(
              position: animation,
              child: ctx.state.widget.child,
            ),
          ],
        ),
      );
    } else {
      return ctx.state.widget.child;
    }
  }

  Widget buildStackActions(BuildContext context, SlidableDelegateContext ctx);
}