Bug 6638 "Add Method Overrides" menu pick
It would be nice to have an "Add Method Overrides" menu pick (analogous to the "Add Unimplemented Methods" menu pick in certain context menus) that would bring up a selection box of currently-unoverridden base-class methods and insert stubs for the selected methods.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/actions/OpenSuperImplementationAction.java
}
	
	public OpenSuperImplementationAction(StructuredSelectionProvider provider) {
		super();
		setText(JavaUIMessages.getString("OpenSuperImplementationAction.label")); 
		setDescription(JavaUIMessages.getString("OpenSuperImplementationAction.description")); 
		setToolTipText(JavaUIMessages.getString("OpenSuperImplementationAction.tooltip")); 
		fSelectionProvider= provider;
	}
	
	public void update() {
		setEnabled(canOperateOn());
	}
	
	private boolean canOperateOn() {
		return getMethod() != null;	
	}
	
	private IMethod getMethod() {
		if (fSelectionProvider == null) {
			return null;
		}
		
		IStructuredSelection selection= fSelectionProvider.getSelection(StructuredSelectionProvider.FLAGS_DO_ELEMENT_AT_OFFSET);
		if (selection.size() != 1)
			return null;
		
		try {
			Object element= selection.getFirstElement();
			if (element instanceof IMethod) {