*/
public void partActivated(IWorkbenchPart part) {
super.partActivated(part);
IWorkbenchPartSite site = part.getSite();
SubActionBars bars = (SubActionBars) ((PartSite) site).getActionBars();
bars.addPropertyChangeListener(propertyChangeListener);
setActionHandler(bars.getGlobalActionHandler(getId()));
}
/**
* A workbench part has been closed.