public void MoveRegionOrder(int regionToMove, OrderMoveDirection direction)
{
int addition = (direction == OrderMoveDirection.Up) ? (-1) : 1;
int toSwapWithIdx = regionToMove + addition;
CalibratedRegionVM toSwapWith = null, target = null;
foreach (CalibratedRegionVM vm in imageRegions.SelectMany(im => im))
{
if (vm.Order == regionToMove)
{
target = vm;
}
else if (vm.Order == toSwapWithIdx)
{
toSwapWith = vm;
}
}
target.Order = toSwapWithIdx;
toSwapWith.Order = regionToMove;
System.Diagnostics.Debug.WriteLine("swapped {0} and {1}", toSwapWithIdx, regionToMove);
RecalculateRegionProperties();
target.RaiseCanMoveChanged();
toSwapWith.RaiseCanMoveChanged();
}
