private static void HandleAddLoopBorrowTunnel(object parameter, IEnumerable <IViewModel> selection, ICompositionHost host, DocumentEditSite site)
{
var structureViewModels = selection.OfType <LoopViewModel>().WhereNotNull();
if (structureViewModels.Any())
{
using (var transaction = structureViewModels.First().TransactionManager.BeginTransaction("Add Borrow Tunnels", TransactionPurpose.User))
{
foreach (var structureViewModel in structureViewModels)
{
SMRect leftRect, rightRect;
BorderNodeViewModelHelpers.FindBorderNodePositions(structureViewModel, out leftRect, out rightRect);
var model = (Structure)structureViewModel.Model;
LoopBorrowTunnel borrowTunnel = model.MakeBorderNode <LoopBorrowTunnel>();
LoopTerminateLifetimeTunnel loopTerminateLifetimeTunnel = model.MakeBorderNode <LoopTerminateLifetimeTunnel>();
borrowTunnel.TerminateLifetimeTunnel = loopTerminateLifetimeTunnel;
loopTerminateLifetimeTunnel.BeginLifetimeTunnel = borrowTunnel;
// Set both as rules were not consistently picking right one to adjust to other.
borrowTunnel.Top = leftRect.Y;
borrowTunnel.Left = leftRect.X;
loopTerminateLifetimeTunnel.Top = borrowTunnel.Top;
loopTerminateLifetimeTunnel.Left = rightRect.X;
}
transaction.Commit();
}
}
}
public LoopBorrowTunnelViewModel(LoopBorrowTunnel loopBorrowTunnel)
: base(loopBorrowTunnel, @"Resources\Diagram\Nodes\ImmutableBorrowNode.png")
{
}
