HandlerSubmission.getActiveWorkbenchPartSite() Deprecated. Returns the workbench part site of the part that must be active for this
request to be considered.
EnabledSubmission.getActiveWorkbenchPartSite() Deprecated. Returns the workbench part site of the part that must be active for this
request to be considered.
UndoRedoActionGroup(
IWorkbenchPartSite site,
IUndoContext undoContext,
boolean pruneHistory)
Construct an undo redo action group for the specified workbench part
site, using the specified undo context.