As explained in specification of bug 463485,
> the Snap To Shapes feature is not operational when moving or resizing a border node.
The goal of this feature is to make operational the "Snap To Shapes" feature even on border nodes, and also to benefit of the same feature as bug 463485 (ie "snap to all shapes", and not only snap to brothers).
The use case of test BorderedNodeCopyPastLayoutTest can be used as example for this feature : /org.eclipse.sirius.tests.swtbot/data/unit/layout/borderedNodesCopyPastLayout/VP-3601.*