public void Init(IItemsProvider itemsProvider, IWidgetsProvider widgetsProvider)
{
_itemsProvider = itemsProvider;
_itemsViewport = new ItemsViewport(itemsProvider);
_widgetsViewport = new WidgetsViewport(_contentNode, widgetsProvider, _alignment, _spacing);
Axis axis = AxisMaskDesc.WidgetsAlignmentAxis[_alignment];
_scroller = GetComponent <Scroller>();
_scroller.Init(_viewportNode, axis, _speedCoef, _inertiaCoef, _elasticityCoef);
_scroller.onScroll += OnScroll;
_scrollNavigation = GetComponent <ScrollNavigation>();
_scrollNavigation.Init(_itemsViewport, _widgetsViewport, axis, InitialRefreshViewport);
_scrollNavigation.onScroll += OnScrollNavigation;
_scrollNavigation.onScrollStarted += OnScrollNavigationStarted;
_scrollNavigation.onScrollFinished += OnScrollNavigationFinished;
InitialRefreshViewport();
}