newClassname = config.getAttribute("layoutClass");
}
public void run() {
if (!newClassname.equals(oldClassname)) {
IUndoableOperation operation = new SetLayoutOperation(config,
jpaneladapter);
operation.addContext(jpaneladapter.getUndoContext());
IOperationHistory operationHistory = PlatformUI.getWorkbench()
.getOperationSupport().getOperationHistory();
try {
operationHistory.execute(operation, null, null);
} catch (ExecutionException e) {