/** @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent) */
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
if (MessageDialog.openQuestion(
HandlerUtil.getActiveShell(event),
"Clear source schemas",
"Do you really want to clear all source schemas?")) {
SchemaService ss = (SchemaService) PlatformUI.getWorkbench().getService(SchemaService.class);
ss.clearSchemas(SchemaSpaceID.SOURCE);
}
return null;
}
