public void AddRecognizerOnChild(BlockViews.BlockView bv)
{
if (!bv.Content.GestureRecognizers.Any())
{
bv.Content.GestureRecognizers.Add(PanRecognizer);
}
}
public static GhostView YellowBorderGhostInstance(BlockViews.BlockView bv)
{
return(new GhostView(bv)
{
BorderColor = Color.LightGoldenrodYellow
});
}
public static GhostView RedGhostInstance(BlockViews.BlockView bv)
{
return(new GhostView(bv)
{
OverlayColor = Color.IndianRed,
OverlayOpacity = 0.4f
});
}
public static GhostView BlueGhostInstance(BlockViews.BlockView bv)
{
return(new GhostView(bv)
{
OverlayColor = Color.LightSkyBlue,
OverlayOpacity = 0.4f
});
}
private void ListView_ItemTapped(object sender, ItemTappedEventArgs e)
{
Log("Item tapped !");
BlockViews.BlockView copy = ((ListViewItem)e.Item).BlockView.GetCopy();
al.Children.Add(copy);
// TODO adapt coords and size (phone or tablet)
AbsoluteLayout.SetLayoutBounds(copy, new Rectangle(new Point(200, 200), RectSize));
}
private Point GetScreenCoordinates(BlockViews.BlockView bv)
{
if (bv is BlockViews.SimpleBlockView)
{
BlockViews.SimpleBlockView sbv = (BlockViews.SimpleBlockView)bv;
Point parentPoint = sbv.GetParentPoint();
if (parentPoint.X != -1)
{
MainPage.Log("ParentPointX:" + parentPoint.X + ", PArentPoint.Y : " + parentPoint.Y);
return(parentPoint);
}
}
//else, it's a container
return(new Point(bv.X, bv.Y));
}
private void PanGesture_PanUpdated(object sender, PanUpdatedEventArgs e)
{
System.Diagnostics.Debug.WriteLine("PanUpdated!");
BlockViews.BlockView currentDrag = ((Frame)sender).Parent as BlockViews.BlockView;
if (Dragged != currentDrag && DraggedCopy != null)
{
return;
}
if (e.StatusType != GestureStatus.Started && DraggedCopy == null)
{
return;
}
switch (e.StatusType)
{
case GestureStatus.Started:
Dragged = currentDrag;
StartPan();
DragStarted?.Invoke(this, new DragNDropEventArgs(Dragged, new Point(Math.Max(0, lastPoint.X - OffSetX), lastPoint.Y)));
break;
case GestureStatus.Running:
RunPan(e);
DragUpdated?.Invoke(this, new DragNDropEventArgs(Dragged, new Point(Math.Max(0, DraggedCopy.X - OffSetX), DraggedCopy.Y)));
break;
case GestureStatus.Completed:
CompletePan();
DragEnded.Invoke(this, new DragNDropEventArgs(Dragged, new Point(Math.Max(0, Dragged.X - OffSetX), Dragged.Y)));
break;
case GestureStatus.Canceled:
break;
}
}
public DragNDropEventArgs(BlockViews.BlockView block, Point position)
{
Block = block;
Position = position;
}