public ListEditor(final CollectionFieldData field, FieldConstraintHelper helper, final ScenarioParentWidget parent) {
if (field.getCollectionFieldList().isEmpty()) {
Image image = ItemAltedImages.INSTANCE.NewItem();
image.setAltText(TestScenarioConstants.INSTANCE.AElementToAddInCollectionList());
image.setTitle(TestScenarioConstants.INSTANCE.AElementToAddInCollectionList());
image.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent w) {
FieldData fieldData = new FieldData();
fieldData.setName(field.getName());
field.getCollectionFieldList().add(fieldData);