public Scrollable(
Key key = null,
AxisDirection axisDirection = AxisDirection.down,
ScrollController controller = null,
ScrollPhysics physics = null,
ViewportBuilder viewportBuilder = null
) : base(key: key)
{
D.assert(viewportBuilder != null);
this.axisDirection = axisDirection;
this.controller = controller;
this.physics = physics;
this.viewportBuilder = viewportBuilder;
}
public _FixedExtentScrollable(
float itemExtent,
ViewportBuilder viewportBuilder,
Key key = null,
AxisDirection axisDirection = AxisDirection.down,
ScrollController controller = null,
ScrollPhysics physics = null
) : base(
key: key,
axisDirection: axisDirection,
controller: controller,
physics: physics,
viewportBuilder: viewportBuilder
)
{
this.itemExtent = itemExtent;
}
public Scrollable(
Key key = null,
AxisDirection?axisDirection = AxisDirection.down,
ScrollController controller = null,
ScrollPhysics physics = null,
ViewportBuilder viewportBuilder = null,
ScrollIncrementCalculator incrementCalculator = null,
DragStartBehavior dragStartBehavior = DragStartBehavior.start
) : base(key: key)
{
D.assert(axisDirection != null);
D.assert(viewportBuilder != null);
this.axisDirection = axisDirection.Value;
this.controller = controller;
this.physics = physics;
this.viewportBuilder = viewportBuilder;
this.incrementCalculator = incrementCalculator;
this.dragStartBehavior = dragStartBehavior;
}
