internal void UpdateContent(ISwipeView swipeView, IMauiContext mauiContext)
{
ClipsToBounds = true;
_contentView?.RemoveFromSuperview();
if (swipeView?.PresentedContent is IView view)
{
if (Subviews.Length > 0)
{
_contentView = Subviews[0];
}
_contentView = view.ToPlatform(mauiContext);
}
else
{
_contentView = CreateEmptyContent();
}
AddSubview(_contentView);
if (_contentView != null)
{
BringSubviewToFront(_contentView);
}
}
internal static ISwipeItems?GetSwipeItemsByDirection(this ISwipeView swipeView, SwipeDirection?swipeDirection)
{
ISwipeItems?swipeItems = null;
switch (swipeDirection)
{
case SwipeDirection.Left:
swipeItems = swipeView.RightItems;
break;
case SwipeDirection.Right:
swipeItems = swipeView.LeftItems;
break;
case SwipeDirection.Up:
swipeItems = swipeView.BottomItems;
break;
case SwipeDirection.Down:
swipeItems = swipeView.TopItems;
break;
}
return(swipeItems);
}
internal static double GetSwipeItemHeight(this ISwipeView swipeView, SwipeDirection?swipeDirection, UIView contentView)
{
var items = GetSwipeItemsByDirection(swipeView, swipeDirection);
if (items != null)
{
foreach (var item in items)
{
if (item is ISwipeItemView)
{
var itemsHeight = new List <double>();
double itemHeight = 0;
foreach (var swipeItem in items)
{
if (swipeItem is ISwipeItemView swipeItemView)
{
var swipeItemViewSizeRequest = swipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity);
if (swipeItemViewSizeRequest.Height > itemHeight)
{
itemHeight = swipeItemViewSizeRequest.Height;
}
}
}
return(itemHeight);
}
}
}
return(contentView.Frame.Height);
}
internal void UpdateIsSwipeEnabled(ISwipeView swipeView)
{
UserInteractionEnabled = true;
_isSwipeEnabled = swipeView.IsEnabled;
if (swipeView?.PresentedContent is IView view)
{
var isContentEnabled = view.IsEnabled;
_contentView.UserInteractionEnabled = isContentEnabled;
}
}
internal static Size GetSwipeItemSize(this ISwipeView swipeView, ISwipeItem swipeItem, UIView contentView, SwipeDirection?swipeDirection)
{
var items = GetSwipeItemsByDirection(swipeView, swipeDirection);
double threshold = swipeView.Threshold;
if (items == null)
{
return(Size.Zero);
}
var contentHeight = contentView.Frame.Height;
var contentWidth = contentView.Frame.Width;
if (swipeDirection.IsHorizontalSwipe())
{
if (swipeItem is ISwipeItemMenuItem)
{
return(new Size(items.Mode == SwipeMode.Execute ? (threshold > 0 ? threshold : contentWidth) / items.Count : (threshold < SwipeItemWidth ? SwipeItemWidth : threshold), contentHeight));
}
if (swipeItem is ISwipeItemView horizontalSwipeItemView)
{
var swipeItemViewSizeRequest = horizontalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity);
double swipeItemWidth;
if (swipeItemViewSizeRequest.Width > 0)
{
swipeItemWidth = threshold > swipeItemViewSizeRequest.Width ? threshold : swipeItemViewSizeRequest.Width;
}
else
{
swipeItemWidth = threshold > SwipeItemWidth ? threshold : SwipeItemWidth;
}
return(new Size(swipeItemWidth, contentHeight));
}
}
else
{
if (swipeItem is ISwipeItemMenuItem)
{
var swipeItemHeight = GetSwipeItemHeight(swipeView, swipeDirection, contentView);
return(new Size(contentWidth / items.Count, (threshold > 0 && threshold < swipeItemHeight) ? threshold : swipeItemHeight));
}
if (swipeItem is ISwipeItemView verticalSwipeItemView)
{
var swipeItemViewSizeRequest = verticalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity);
double swipeItemHeight;
if (swipeItemViewSizeRequest.Width > 0)
{
swipeItemHeight = threshold > swipeItemViewSizeRequest.Height ? threshold : (float)swipeItemViewSizeRequest.Height;
}
else
{
swipeItemHeight = threshold > contentHeight ? threshold : contentHeight;
}
return(new Size(contentWidth / items.Count, swipeItemHeight));
}
}
return(Size.Zero);
}
// temporary workaround to make it work
internal void SetElement(ISwipeView swipeView)
{
Element = swipeView;
}
