ExpandedState
is enabled, because the involved Dockable
s offer different
enabled-states, then the value of this boolean
is the result of the operation.item
was added to the column column
.column
was added to this grid.item
was removed to the column column
.column
was removed from this grid.station
.the dockable
changed.OrientationObserver
adds itself as OrientingDockStationListener
to the first
OrientingDockStation
that is found as parent of a specific Dockable
.DockStation
where the children have an orientation.OrientedDockStation
if one or many children
changed their orientation.OrientingDockStationEvent.OrientingDockStationEvent(OrientingDockStation, Dockable[])
with
the children
array set to null
OrientingDockStation
.