void ProcessTouchMove(CGPoint point)
{
if (!_isSwiping)
{
_swipeDirection = SwipeDirectionHelper.GetSwipeDirection(new Point(_initialPoint.X, _initialPoint.Y), new Point(point.X, point.Y));
RaiseSwipeStarted();
_isSwiping = true;
}
if (!ValidateSwipeDirection())
{
return;
}
_swipeOffset = GetSwipeOffset(_initialPoint, point);
UpdateSwipeItems();
if (Math.Abs(_swipeOffset) > double.Epsilon)
{
Swipe();
}
else
{
ResetSwipe();
}
RaiseSwipeChanging();
}
bool ProcessTouchMove(APointF point)
{
if (_contentView == null || !TouchInsideContent(point))
{
return(false);
}
if (!_isSwiping && _swipeThreshold == 0)
{
_swipeDirection = SwipeDirectionHelper.GetSwipeDirection(new Point(_initialPoint.X, _initialPoint.Y), new Point(point.X, point.Y));
RaiseSwipeStarted();
_isSwiping = true;
}
if (!ValidateSwipeDirection())
{
return(false);
}
_swipeOffset = GetSwipeOffset(_initialPoint, point);
UpdateSwipeItems();
if (Math.Abs(_swipeOffset) > double.Epsilon)
{
Swipe();
}
else
{
ResetSwipe();
}
RaiseSwipeChanging();
return(true);
}
private void OnEnd(GestureLayer.MomentumData moment)
{
var direction = SwipeDirectionHelper.GetSwipeDirection(new Point(moment.X1, moment.Y1), new Point(moment.X2, moment.Y2));
var swipeDirection = direction == SwipeDirection.Left
? ItemSwipeDirection.Left
: direction == SwipeDirection.Right
? ItemSwipeDirection.Right
: direction == SwipeDirection.Up
? ItemSwipeDirection.Up
: ItemSwipeDirection.Down;
CardsViewElement?.OnSwiped(swipeDirection);
}
bool ProcessTouchMove(APointF point)
{
if (_contentView == null || !TouchInsideContent(point))
{
return(false);
}
var swipeDirection = _swipeDirection;
if (!_isOpen && !_isResettingSwipe)
{
swipeDirection = SwipeDirectionHelper.GetSwipeDirection(new Point(_initialPoint.X, _initialPoint.Y), new Point(point.X, point.Y));
}
if (_swipeDirection != swipeDirection)
{
_swipeDirection = swipeDirection;
if (!_isOpen)
{
DisposeSwipeItems();
UpdateSwipeItems();
}
}
if (!_isSwiping)
{
RaiseSwipeStarted();
_isSwiping = true;
}
if (!ValidateSwipeDirection() || _isResettingSwipe)
{
return(false);
}
_swipeOffset = GetSwipeOffset(_initialPoint, point);
UpdateSwipeItems();
if (Math.Abs(_swipeOffset) > double.Epsilon)
{
Swipe();
}
RaiseSwipeChanging();
return(true);
}
bool ProcessTouchMove(APointF point)
{
if (_contentView == null || !TouchInsideContent(point) || _initialPoint == null)
{
return(false);
}
if (!_isOpen)
{
ResetSwipeToInitialPosition();
_swipeDirection = SwipeDirectionHelper.GetSwipeDirection(new Point(_initialPoint.X, _initialPoint.Y), new Point(point.X, point.Y));
UpdateSwipeItems();
}
if (!_isSwiping)
{
RaiseSwipeStarted();
_isSwiping = true;
}
if (!ValidateSwipeDirection() || _isResettingSwipe)
{
return(false);
}
EnableParentGesture(false);
_swipeOffset = GetSwipeOffset(_initialPoint, point);
UpdateIsOpen(_swipeOffset != 0);
UpdateSwipeItems();
if (Math.Abs(_swipeOffset) > double.Epsilon)
{
Swipe();
}
RaiseSwipeChanging();
return(true);
}
void OnMoved(GestureLayer.MomentumData moment)
{
if (SwipeDirection == 0)
{
var direction = SwipeDirectionHelper.GetSwipeDirection(new Graphics.Point(moment.X1, moment.Y1), new Graphics.Point(moment.X2, moment.Y2));
if (HasRightItems && direction == SwipeDirection.Left)
{
SwipeDirection = SwipeDirection.Left;
}
else if (HasLeftItems && direction == SwipeDirection.Right)
{
SwipeDirection = SwipeDirection.Right;
}
else if (HasTopItems && direction == SwipeDirection.Down)
{
SwipeDirection = SwipeDirection.Down;
}
else if (HasBottomItems && direction == SwipeDirection.Up)
{
SwipeDirection = SwipeDirection.Up;
}
else
{
return;
}
UpdateItems();
((ISwipeViewController)Element).SendSwipeStarted(new SwipeStartedEventArgs(SwipeDirection));
}
var offset = GetSwipeOffset(moment);
if (IsNegativeDirection)
{
if (offset > 0)
{
offset = 0;
}
}
else
{
if (offset < 0)
{
offset = 0;
}
}
if (Math.Abs(offset) > MaximumSwipeSize)
{
offset = MaximumSwipeSize * (offset < 0 ? -1 : 1);
}
var toDragBound = NativeView.Geometry;
if (IsHorizontalSwipe)
{
toDragBound.X += offset;
}
else
{
toDragBound.Y += offset;
}
Platform.GetRenderer(SwipeView.Content).NativeView.Geometry = toDragBound;
((ISwipeViewController)Element).SendSwipeChanging(new SwipeChangingEventArgs(SwipeDirection, Forms.ConvertToScaledDP(offset)));
}