internal async void HidePopover()
{
// fade out the elements
await Task.WhenAll(
new Task[]
{
FakeExerciseCell.FadeTo(0),
PagePopover.FadeTo(0)
});
// hide our fake product cell
FakeExerciseCell.IsVisible = false;
// hide out Page poper
PagePopover.IsVisible = false;
}
private async void TapGestureRecognizer_Tapped(object sender, EventArgs e)
{
// the user has tapped on an element
ExerciseDisplay element = sender as ExerciseDisplay;
// set the binding context to the select cell
FakeExerciseCell.BindingContext = element.BindingContext;
FakeExerciseCell.ImageOffsetX = element.ImageOffsetX;
FakeExerciseCell.ImageOffsetY = element.ImageOffsetY;
FakeExerciseCell.Opacity = 1;
FakeExerciseCell.IsVisible = true;
// set the selected item
((MainViewModel)this.BindingContext).SelectedExercise = element.BindingContext as ExerciseViewModel;
// set the layout to the same position
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(FakeExerciseCell, rect);
// hide the cell we clicked on
element.Opacity = 0.01;
await FakeExerciseCell.ExpandToFill(this.Bounds);
element.Opacity = 1;
// display the page popover
PagePopover.Opacity = 0;
PagePopover.IsVisible = true;
await PagePopover.Expand();
}