action = new DirectEditAction((IWorkbenchPart) this);
registry.registerAction(action);
getSelectionActions().add(action.getId());
// action = new MeasureProofreadingAction(this);
// registry.registerAction(action);
action = new RelabelMeasuresAction(this);
registry.registerAction(action);
getSelectionActions().add(action.getId());
action = new ManageSourcesAction(this);
registry.registerAction(action);
getSelectionActions().add(action.getId());