* String that will be used as the caption for the control's input field.
*/
public EntitySelectionControl(OperationPage page, EntityType type, EntityFilter filter, String caption,
boolean isCompoundEditRoot) {
actionListeners = new ActionListeners();
controls = new EntityComboBoxWithControls(page.getEntityExplorerSupport(), type, filter, true);
customizeComboBox();
createInputField(caption);
installActionListener(comboBox, page, isCompoundEditRoot);
}