Size GetSwipeItemSize(ISwipeItem swipeItem)
{
var items = GetSwipeItemsByDirection();
if (IsHorizontalSwipe())
{
if (swipeItem is SwipeItem)
{
return(new Size(items.Mode == SwipeMode.Execute ? _contentView.Frame.Width / items.Count : SwipeItemWidth, _contentView.Frame.Height));
}
if (swipeItem is SwipeItemView horizontalSwipeItemView)
{
var swipeItemViewSizeRequest = horizontalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins);
return(new Size(swipeItemViewSizeRequest.Request.Width > 0 ? (float)swipeItemViewSizeRequest.Request.Width : SwipeItemWidth, _contentView.Frame.Height));
}
}
else
{
if (swipeItem is SwipeItem)
{
return(new Size(_contentView.Frame.Width / items.Count, GetSwipeItemHeight()));
}
if (swipeItem is SwipeItemView horizontalSwipeItemView)
{
var swipeItemViewSizeRequest = horizontalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins);
return(new Size(_contentView.Frame.Width / items.Count, swipeItemViewSizeRequest.Request.Height > 0 ? (float)swipeItemViewSizeRequest.Request.Height : _contentView.Frame.Height));
}
}
return(Size.Zero);
}
void UpdateIsVisibleSwipeItem(ISwipeItem item)
{
if (!_isOpen)
{
return;
}
_swipeItems.TryGetValue(item, out object view);
if (view != null && view is AView nativeView)
{
bool hidden = false;
if (item is SwipeItem swipeItem)
{
hidden = !swipeItem.IsVisible;
}
if (item is SwipeItemView swipeItemView)
{
hidden = !swipeItemView.IsVisible;
}
_swipeThreshold = 0;
nativeView.Visibility = hidden ? ViewStates.Gone : ViewStates.Visible;
LayoutSwipeItems(GetNativeSwipeItems());
SwipeToThreshold(false);
}
}
void OnSwipeItemInvoked(WSwipeItem sender, Microsoft.UI.Xaml.Controls.SwipeItemInvokedEventArgs args)
{
var windowsSwipeItem = sender;
ISwipeItem formsSwipeItem = GetFormsSwipeItem(windowsSwipeItem);
formsSwipeItem?.OnInvoked();
}
void ExecuteSwipeItem(ISwipeItem swipeItem)
{
if (swipeItem == null)
{
return;
}
swipeItem.OnInvoked();
}
bool GetIsVisible(ISwipeItem swipeItem)
{
if (swipeItem is IView view)
{
return(view.Visibility == Maui.Visibility.Visible);
}
else if (swipeItem is ISwipeItemMenuItem menuItem)
{
return(menuItem.Visibility == Maui.Visibility.Visible);
}
return(true);
}
internal void UpdateIsVisibleSwipeItem(ISwipeItem item)
{
if (!_isOpen)
{
return;
}
if (item?.Handler?.PlatformView is UIView platformView)
{
_swipeThreshold = 0;
LayoutSwipeItems(GetNativeSwipeItems());
SwipeToThreshold(false);
}
}
internal void UpdateIsVisibleSwipeItem(ISwipeItem item)
{
if (!_isOpen)
{
return;
}
_swipeItems.TryGetValue(item, out object?view);
if (view != null && view is AView platformView)
{
_swipeThreshold = 0;
LayoutSwipeItems(GetNativeSwipeItems());
SwipeToThreshold(false);
}
}
void ExecuteSwipeItem(ISwipeItem item)
{
if (item == null)
{
return;
}
bool isEnabled = true;
if (item is ISwipeItemMenuItem swipeItem)
{
isEnabled = swipeItem.IsEnabled;
}
if (item is ISwipeItemView swipeItemView)
{
isEnabled = swipeItemView.IsEnabled;
}
if (isEnabled)
{
item.OnInvoked();
}
}
Size GetSwipeItemSize(ISwipeItem swipeItem)
{
bool isHorizontal = IsHorizontalSwipe();
var items = GetSwipeItemsByDirection();
var contentHeight = _context.FromPixels(_contentView.Height);
var contentWidth = _context.FromPixels(_contentView.Width);
if (isHorizontal)
{
if (swipeItem is SwipeItem)
{
return(new Size(items.Mode == SwipeMode.Execute ? contentWidth / items.Count : SwipeItemWidth, contentHeight));
}
if (swipeItem is SwipeItemView horizontalSwipeItemView)
{
var swipeItemViewSizeRequest = horizontalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins);
return(new Size(swipeItemViewSizeRequest.Request.Width > 0 ? (float)swipeItemViewSizeRequest.Request.Width : SwipeItemWidth, contentHeight));
}
}
else
{
if (swipeItem is SwipeItem)
{
return(new Size(contentWidth / items.Count, GetSwipeItemHeight()));
}
if (swipeItem is SwipeItemView horizontalSwipeItemView)
{
var swipeItemViewSizeRequest = horizontalSwipeItemView.Measure(double.PositiveInfinity, double.PositiveInfinity, MeasureFlags.IncludeMargins);
return(new Size(contentWidth / items.Count, swipeItemViewSizeRequest.Request.Height > 0 ? (float)swipeItemViewSizeRequest.Request.Height : contentHeight));
}
}
return(Size.Zero);
}
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);
}
Size GetSwipeItemSize(ISwipeItem swipeItem)
{
if (_contentView == null || Element == null)
{
return(Size.Zero);
}
bool isHorizontal = IsHorizontalSwipe();
var items = GetSwipeItemsByDirection();
if (items == null)
{
return(Size.Zero);
}
double threshold = Element.Threshold;
double contentHeight = _context.FromPixels(_contentView.Height);
double contentWidth = _context.FromPixels(_contentView.Width);
if (isHorizontal)
{
if (swipeItem is ISwipeItem)
{
return(new Size(items.Mode == SwipeMode.Execute ? (threshold > 0 ? threshold : contentWidth) / items.Count : (threshold < SwipeViewExtensions.SwipeItemWidth ? SwipeViewExtensions.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 : (float)swipeItemViewSizeRequest.Width;
}
else
{
swipeItemWidth = threshold > SwipeViewExtensions.SwipeItemWidth ? threshold : SwipeViewExtensions.SwipeItemWidth;
}
return(new Size(swipeItemWidth, contentHeight));
}
}
else
{
if (swipeItem is ISwipeItem)
{
var swipeItemHeight = GetSwipeItemHeight();
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);
}
