}
this.loader = loader;
if (loader != null) {
loader.setLimit(pageSize);
if (loadListener == null) {
loadListener = new LoadListener() {
public void loaderBeforeLoad(final LoadEvent le) {
savedEnableState = isEnabled();
setEnabled(false);
refresh.setIcon(IconHelper.createStyle("x-tbar-loading"));
DeferredCommand.addCommand(new Command() {