private void BackOverBarTapped(object sender, EventArgs e)
{
if (!BVBar.IsVisible)
{
return;
}
var pageHeight = Height;
if (_isNearByExpanded)
{
ImgFindVipTable.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgFindVipTable.ScaleTo(_findVipTableInfoGridScale, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
SearchBarGrid.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.FadeTo(0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
FrNearBy.TranslateTo(0, pageHeight * _bottomPosition, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
}
else
{
ImgFindVipTable.TranslateTo(-(ImgFindVipTable.Margin.Left - 10), -(ImgFindVipTable.Margin.Top + 25), AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgFindVipTable.ScaleTo(_findVipTableInfoGridScale * 0.75, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
SearchBarGrid.TranslateTo(0, ImgFindVipTable.Margin.Top + 25, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.TranslateTo(45, 0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.FadeTo(1, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
FrNearBy.TranslateTo(0, pageHeight - (pageHeight * _topPosition), AppThemeConstants.AnimationSpeed, Easing.SinInOut);
}
_isNearByExpanded = !_isNearByExpanded;
}
private void BackOverBarPanUpdated(object sender, PanUpdatedEventArgs e)
{
if (!BVBar.IsVisible)
{
return;
}
switch (e.StatusType)
{
case GestureStatus.Running:
_previousYPosition = e.TotalY;
FrNearBy.TranslateTo(0, e.TotalY, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
break;
case GestureStatus.Completed:
var pageHeight = Height;
var bottomPosition = pageHeight * _bottomPosition;
var topPosition = pageHeight - (pageHeight * _topPosition);
if (_previousYPosition < 0)
{
// Moving to top
ImgFindVipTable.TranslateTo(-(ImgFindVipTable.Margin.Left - 10), -(ImgFindVipTable.Margin.Top + 25), AppThemeConstants.AnimationSpeed, Easing.SinIn);
ImgFindVipTable.ScaleTo(_findVipTableInfoGridScale * 0.75, AppThemeConstants.AnimationSpeed, Easing.SinIn);
SearchBarGrid.TranslateTo(0, ImgFindVipTable.Margin.Top + 25, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.TranslateTo(45, 0, AppThemeConstants.AnimationSpeed, Easing.SinIn);
ImgSearchIcon.FadeTo(1, AppThemeConstants.AnimationSpeed, Easing.SinIn);
FrNearBy.TranslateTo(0, topPosition, AppThemeConstants.AnimationSpeed, Easing.SinIn);
_isNearByExpanded = true;
}
else
{
// Moving to bottom
ImgFindVipTable.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinOut);
ImgFindVipTable.ScaleTo(_findVipTableInfoGridScale, AppThemeConstants.AnimationSpeed, Easing.SinOut);
SearchBarGrid.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinInOut);
ImgSearchIcon.TranslateTo(0, 0, AppThemeConstants.AnimationSpeed, Easing.SinOut);
ImgSearchIcon.FadeTo(0, AppThemeConstants.AnimationSpeed, Easing.SinOut);
FrNearBy.TranslateTo(0, bottomPosition, AppThemeConstants.AnimationSpeed, Easing.SinOut);
_isNearByExpanded = false;
}
break;
}
}
