/**
* Stage two of an incremental programmatic move of an object from one location in the layout to
* another. This will signal the engine to respond with a test drop location and size for the
* source object and a test drop mutation for the target object.
*
* @param source the object being moved.
* @param target the object sharing its boundaries to provide a drop location
* @param p the quadrant of the target object specifying the drop location.
* @see #requestMove(Object, Object, Position)
* @see #requestMoveBegin(Object)
* @see #requestMoveCommit(Object, Object, Position)
* @see #requestMoveReject(Object)
* @see #requestMoveCancel()
*/
@Override
public void requestMoveTest(T source, T target, Position p) {
if (!locked) return;
engine.testDropElement(
this,
interimLayoutSnapshot,
layoutCopy.getNode(layoutCopy.get(source)),
layout.getNode(layout.get(target)),
p);
}
