@Override public void setLookupNullSelectionAllowed(LookupField lookupField, boolean value) { lookupField.setNullOptionVisible(value); }
protected void loadNullOptionVisible(LookupField resultComponent, Element element) { String nullOptionVisible = element.attributeValue("nullOptionVisible"); if (StringUtils.isNotEmpty(nullOptionVisible)) { resultComponent.setNullOptionVisible(Boolean.parseBoolean(nullOptionVisible)); } }