@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindow(event);
ModelProvider persons = ModelProvider.INSTANCE;
AddPersonDialog dialog = new AddPersonDialog(window.getShell());
dialog.open();
if (dialog.getPerson() != null) {
persons.getPersons().add(dialog.getPerson());
// Updating the display in the view
IWorkbenchPage page = window.getActivePage();
View view = (View) page.findView(View.ID);
view.refresh();
}
return null;
}
