Str? effect := null

Transition effect to apply when selIndex is changed. If null, no effect is applied.

Valid values are:

• slideLeft: animate cards sliding in from right-to-left
• slideRight: animate cards sliding in from left-to-right

Duration effectDur := 350ms

Duratin for effect animation to last.

new make()

protected virtual override Void onAdd(Elem c)

protected virtual override Void onRemove(Elem c)

virtual Int? selIndex

Selected card index, or null if no children.

Elem? selItem()

Selected card instance, or null if no children.