* @return The created {@link ObjectListSelector} control
*/
private ObjectListSelector addAttributeSelector(Composite parent) {
final ObjectListSelector selector = new ObjectListSelector(parent,
SWT.NORMAL, PARSER_FACTORY.createAttributeSelectorParser(),
new AttributeSelectorProviderFactory(), null, false,
"AttributeSelector.");
GridData objectSelectorGridData =
new GridData(GridData.FILL_HORIZONTAL);
selector.setLayoutData(objectSelectorGridData);