operation = null;
parametersEditor = null;
return null;
}
String propertyValue = (String) propertySelector.getValue();
FilterProperty newProperty = compositeFilter.getFilterPropertyByTitle(propertyValue);
boolean propertyModified = property == null ? newProperty != null : newProperty != null && !newProperty.getName().equals(property.getName());
property = newProperty;
DropDownField operationSelector = findOperationSelector(compositeFilter);
HtmlSelectBooleanCheckbox inverseCheckBox = findInverseCheckBox(context, compositeFilter);
if (propertyModified || property == null || operationSelector == null || inverseCheckBox == null) {
operation = null;