public void OnDropReceived(IDragAndDropMovingView view)
{
if (view is DragAndDropSample3MovingView sender)
{
BackgroundColor = sender.BackgroundColor;
}
}
public void OnDropReceived(IDragAndDropMovingView view)
{
if (view is DragAndDropMovingView sender)
{
BackgroundColor = sender.BackgroundColor;
turtle.cleanOcean();
}
}
public void OnDropReceived(IDragAndDropMovingView view)
{
if (view is DragAndDropSample3MovingView sender)
{
BackgroundColor = sender.BackgroundColor;
//new MainPage().UpdateUI();
MessagingCenter.Send <App>((App)Application.Current, "CallMethod");
}
}
private static VisualElement GetContainer(this IDragAndDropMovingView view)
{
if (!(view is VisualElement visualElement))
{
throw new Exception($"{nameof(IDragAndDropMovingView)} can only be an interface on a {nameof(View)}");
}
var dropContainer = visualElement.GetFirstParentOfType <IDragAndDropContainer>();
if (dropContainer is VisualElement output)
{
return(output);
}
return(visualElement.GetFirstParentOfType <Page>());
}
public static void InitializeDragAndDrop(this IDragAndDropMovingView view)
{
if (!(view is View output))
{
throw new Exception($"{nameof(IDragAndDropMovingView)} can only be an interface on a {nameof(View)}");
}
var panGestureRecognizer = new PanGestureRecognizer
{
TouchPoints = 1
};
panGestureRecognizer.PanUpdated += PanGestureRecognizer_PanUpdated;
output.GestureRecognizers.Clear();
output.GestureRecognizers.Add(panGestureRecognizer);
}
private static void DragAndDroppableViewDropped(this VisualElement view, IDragAndDropMovingView sender)
{
var allReceivers = view.GetAllChildrenOfType <IDragAndDropReceivingView>();
foreach (var receiver in allReceivers)
{
if (!(receiver is VisualElement veReceiver))
{
continue;
}
var x = veReceiver.GetScreenCoordinates().X;
var y = veReceiver.GetScreenCoordinates().Y;
var width = veReceiver.Width;
var height = veReceiver.Height;
if (sender.ScreenX >= x &&
sender.ScreenX <= x + width &&
sender.ScreenY >= y &&
sender.ScreenY <= y + height)
{
receiver.OnDropReceived(sender);
}
}
}
