private async void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
// the user has tapped on an element
View element = sender as View;
// set the binding context to the selected cell
FakeProductCell.BindingContext = element.BindingContext;
FakeProductCell.IsVisible = true;
// set the layout to the same postion
var yScroll = ScrollContainer.ScrollY;
Rectangle rect = new Rectangle(
x: ScrollContainer.X + element.X,
y: ScrollContainer.Y + element.Y - yScroll,
width: element.Width,
height: element.Height);
AbsoluteLayout.SetLayoutBounds(FakeProductCell, rect);
// hide the cell we clicked on
element.Opacity = 0.01;
await FakeProductCell.ExpandToFill(this.Bounds);
element.Opacity = 1;
// redisplay
}
internal async Task HidePopover()
{
// fade out the elements
await Task.WhenAll(
new Task[]
{
FakeProductCell.FadeTo(0),
PagePopover.FadeTo(0)
});
// hide our fake product cell
FakeProductCell.IsVisible = false;
// hide our Page poper
PagePopover.IsVisible = false;
}
/// <summary>
/// animation activated by pressing on a product panel
/// </summary>
/// <param name="sender"></param>
/// <param name="e">never used, do not try</param>
private async void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
// the user has tapped on an element
ProductDisplay element = sender as ProductDisplay;
// set the binding context to the selected cell
FakeProductCell.BindingContext = element.BindingContext;
FakeProductCell.ImageOffsetX = element.ImageOffsetX;
FakeProductCell.ImageOffsetY = element.ImageOffsetY;
FakeProductCell.Opacity = 1;
FakeProductCell.IsVisible = true;
// set the selected item
((MainViewModel)this.BindingContext).SelectedProduct = element.BindingContext as ProductViewModel;
// set the layout to the same postion
var yScroll = ScrollContainer.ScrollY;
Rectangle rect = new Rectangle(
x: ScrollContainer.X + element.X,
y: ScrollContainer.Y + element.Y - yScroll,
width: element.Width,
height: element.Height);
AbsoluteLayout.SetLayoutBounds(FakeProductCell, rect);
// hide the cell we clicked on
element.Opacity = 0.01;
await FakeProductCell.ExpandToFill(this.Bounds);
element.Opacity = 1;
// display the page popover
PagePopover.Opacity = 0;
PagePopover.IsVisible = true;
await PagePopover.Expand();
Vibration.Vibrate(20);
}
