public void UpdateLayoutSize(SlideCustomDialog view)
{
_topMax = 0;
_topMin = 0;
_bottomMax = view.HeightRequest * _density;
_bottomMin = 0;
if (view.MenuOrientations == MenuOrientation.BottomToTop)
{
_isToptoBottom = false;
_topMax = (ScreenSizeHelper.ScreenHeight) * _density;
_topMin = (ScreenSizeHelper.ScreenHeight - view.HeightRequest - view.BottomMargin) * _density;
_bottomMax = (ScreenSizeHelper.ScreenHeight + view.HeightRequest) * _density;
_bottomMin = (ScreenSizeHelper.ScreenHeight - view.BottomMargin) * _density;
}
if (!view.IsFullScreen)
{
_left = view.LeftMargin * _density;
_right = (view.LeftMargin + view.WidthRequest) * _density;
}
else
{
_left = view.LeftMargin * _density;
_right = (ScreenSizeHelper.ScreenWidth - view.RightMargin) * _density;
}
}
void CheckViewBound(SlideCustomDialog view)
{
if (ScreenSizeHelper.ScreenHeight == 0 || ScreenSizeHelper.ScreenWidth == 0)
{
throw new Exception("Please set ScreenSizeHelper.ScreenHeight or ScreenSizeHelper.ScreenWidth");
}
if (view.HeightRequest <= 0)
{
throw new Exception("Please set SildeMenuView HeightRequest");
}
}
public VerticalDrawer(SlideCustomDialog view, double density = 1.0)
{
_density = density;
view.GetIsShown = () =>
{
return(!_willShown);
};
CheckViewBound(view);
UpdateLayoutSize(view);
view.HideEvent = LayoutHideStatus;
}