final DashboardPortlet storedPortlet = portletWindow.getStoredPortlet();
metric.setWidth(300);
metric.setValueField("id");
metric.setDisplayField("displayName");
metric.setOptionDataSource(new ResourceScheduledMetricDatasource());
resourceLookupComboBoxItem
.addChangedHandler(new com.smartgwt.client.widgets.form.fields.events.ChangedHandler() {
public void onChanged(ChangedEvent event) {