public async void TranslateOriginalAnimate()
{
MainGrid2.TranslateTo(Application.Current.MainPage.Width, 0);
MainGrid1.TranslateTo(-(Application.Current.MainPage.Width), 0);
//CollectionStack.TranslationY = Application.Current.MainPage.Height;
await MainGrid.TranslateTo(0, 0);
}
public async void PanGestureRecognizer_PanUpdated(object sender, PanUpdatedEventArgs e)
{
stopwatch.Start();
switch (e.StatusType)
{
case GestureStatus.Running:
// Translate and ensure we don't pan beyond the wrapped user interface element bounds.
if (Math.Abs(e.TotalX) > Math.Abs(e.TotalY) && MainGrid.TranslationY == 0)
{
MainGrid.TranslationX =
Math.Min(MainGrid.TranslationX + e.TotalX, Application.Current.MainPage.Width);
MainGrid1.TranslationX =
Math.Min(MainGrid1.TranslationX + e.TotalX, Application.Current.MainPage.Width);
MainGrid2.TranslationX =
Math.Max(MainGrid2.TranslationX + e.TotalX, 0);
//Content.TranslationY =
// Math.Max(Math.Min(0, y + e.TotalY), -Math.Abs(Content.Height - App.ScreenHeight));
break;
}
else if (MainGrid.TranslationX == 0 && e.TotalY < 0)
{
MainGrid.TranslationY =
Math.Max(MainGrid.TranslationY + e.TotalY, -Application.Current.MainPage.Height);
break;
}
break;
case GestureStatus.Completed:
// Store the translation applied during the pan
stopwatch.Stop();
double time = Convert.ToDouble(stopwatch.ElapsedMilliseconds);
double speedx = MainGrid.TranslationX / time;
double speedy = MainGrid.TranslationY / time;
stopwatch.Reset();
if (-MainGrid.TranslationX > (HalfWidth) && (MainGrid.TranslationX < 0) || speedx < -1)
{
NextTapped(null, null);
MainGrid.TranslateTo(-(Application.Current.MainPage.Width), 0);
await MainGrid2.TranslateTo(0, 0);
TranslateOriginal();
}
else if (MainGrid.TranslationX > (HalfWidth) || Math.Abs(speedx) > 1)
{
PlayPreviousitem();
MainGrid.TranslateTo(Application.Current.MainPage.Width, 0);
await MainGrid1.TranslateTo(0, 0);
TranslateOriginal();
}
else if (-MainGrid.TranslationY > App.Current.MainPage.Height / 4 || speedy < -1)
{
MainGrid.TranslateTo(0, ControlsLayout.Height - App.Current.MainPage.Height);
await ControlsLayout.TranslateTo(0, ControlsLayout.Height - App.Current.MainPage.Height);
UpSvg.RotateTo(180);
MainCollectionView.Margin = new Thickness(0, ControlsLayout.Height, 0, 0);
MainCollectionView.IsVisible = true;
//CollectionStack.TranslateTo(0,-((ControlsLayout.Height) - App.Current.MainPage.Height));
}
else
{
TranslateOriginalAnimate();
}
break;
}
}
