configuration.setValueScope("beans");
configuration.setChooseInterfaces(true);
configuration.setEmptyClassErrorMessage("Choose Grid selection element");
configuration.setErrorMessagePrefix("Grid selection element");
//
ChooseClassUiContentProvider gridSelectionElementEditor =
new ChooseClassUiContentProvider(configuration) {
public void updateFromObject() throws Exception {
if (m_gridSelectionModel == null) {
calculateFinish();
} else {
setClassName(m_gridSelectionModel.getObjectType().getName());