validateConnection(cellViewS, magnetS, cellViewT, magnetT, end, linkView)
-
decide whether to allow or disallow a connection between the source view/magnet (cellViewS/magnetS
)
and target view/magnet (cellViewT/magnetT
). end
is either "source"
or "target"
and tells which end of
the link is being dragged. This is useful for defining whether, for example, a link starting in a port POut of element A can lead to a port PIn of elmement B. By default, all linkings are allowed.