protected override void OnApplyTemplate()
{
base.OnApplyTemplate();
// Get the original elements from the template
_rootGrid = this.GetTemplateChild("RootGrid") as Panel;
_canvas = this.GetTemplateChild("canvas") as Panel;
var indiRect = this.GetTemplateChild("indicatorRect") as Rectangle;
_indicatorVisual = ElementCompositionPreview.GetElementVisual(indiRect);
_touchAreaVisual = ElementCompositionPreview.GetElementVisual(_canvas);
_compositor = _touchAreaVisual.Compositor;
_itemVisualList = new List <Visual>();
_itemUIElementList = _canvas.GetDescendantsOfType <CarouselViewItem>().ToList();
foreach (var item in _itemUIElementList)
{
_itemVisualList.Add(ElementCompositionPreview.GetElementVisual(item));
}
// Event handlers
this._canvas.ManipulationMode = ManipulationModes.TranslateX;
_canvas.ManipulationStarted += Canvas_ManipulationStarted;
_canvas.ManipulationDelta += Canvas_ManipulationDelta;
_canvas.ManipulationCompleted += Canvas_ManipulationCompleted;
//_canvas.ManipulationInertiaStarting += Canvas_ManipulationInertiaStarting;
_canvas.PointerWheelChanged += Canvas_PointerWheelChanged;
// Response to the SizeChanged
_rootGrid.SizeChanged += (ss, ee) =>
{
MeasureItemsPosition(_selectedIndex);
// Change the Clip to fit new size
_canvas.Clip = new RectangleGeometry()
{
Rect = RectHelper.FromCoordinatesAndDimensions(0, 0, (float)ee.NewSize.Width, (float)ee.NewSize.Height)
};
};
//_canvas.SizeChanged += (ss, ee) => { MeasureItemsPosition(_selectedIndex, _selectedIndex); };
this.Loaded += (ss, ee) =>
{
// Initial items' image data
SetItemsImageSource(true);
SetSelectedAppearance();
//MeasureItemsPosition(_selectedIndex);
};
}