private void HandleLongClick(object sender, LongClickEventArgs e)
{
DraggableView dragView = Element as DraggableView;
if (firstTime)
{
originalX = GetX();
originalY = GetY();
firstTime = false;
}
dragView.DragStarted();
touchedDown = true;
}
public override bool OnTouchEvent(MotionEvent e)
{
float x = e.RawX;
float y = e.RawY;
DraggableView dragView = Element as DraggableView;
switch (e.Action)
{
case MotionEventActions.Down:
if (dragView.DragMode == DragMode.Touch)
{
if (!touchedDown)
{
if (firstTime)
{
originalX = GetX();
originalY = GetY();
firstTime = false;
}
dragView.DragStarted();
}
touchedDown = true;
}
dX = x - this.GetX();
dY = y - this.GetY();
break;
case MotionEventActions.Move:
bool dragged = false;
double dragvalue = 0;
if (touchedDown)
{
//if (dragView.DragDirection == DragDirectionType.All || dragView.DragDirection == DragDirectionType.Horizontal)
if (dragView.DragDirection == DragDirectionType.Horizontal)
{
float diff = x - dX;
if (diff <= 0)
{
SetX(originalX);
}
else
{
SetX(diff);
if (diff > 50)
{
dragged = true;
}
}
dragvalue = diff;
}
//if (dragView.DragDirection == DragDirectionType.All || dragView.DragDirection == DragDirectionType.Vertical)
//{
// SetY(y - dY);
//}
}
dragView.DragEnded(dragged, dragvalue);
break;
case MotionEventActions.Up:
touchedDown = false;
//dragView.DragEnded(false, 0);
break;
case MotionEventActions.Cancel:
touchedDown = false;
break;
}
return(base.OnTouchEvent(e));
}