if (_databaseConfigs.size() > 1) {
_databaseConfigComboViewer = new ComboViewer(control, SWT.READ_ONLY);
GridData extraInfoData = new GridData(GridData.FILL_HORIZONTAL);
// extraInfoData.horizontalSpan = 2;
_databaseConfigComboViewer.setContentProvider(new DatabaseConfigContentProvider());
_databaseConfigComboViewer.setLabelProvider(new DatabaseConfigLabelProvider());
_databaseConfigComboViewer.setInput(_databaseConfigs);
_databaseConfigComboViewer.getCombo().setLayoutData(extraInfoData);
EODatabaseConfig activeDatabaseConfig = _model.getActiveDatabaseConfig();
if (activeDatabaseConfig != null) {
_databaseConfigComboViewer.setSelection(new StructuredSelection(activeDatabaseConfig));