/**
* Build the criteria for a single field
*
* @param Tx_PtExtlist_Domain_Configuration_Data_Fields_FieldConfig $fieldIdentifier
* @return Tx_PtExtlist_Domain_QueryObject_SimpleCriteria
*/
protected function buildFilterCriteria(Tx_PtExtlist_Domain_Configuration_Data_Fields_FieldConfig $fieldIdentifier)
{
$fieldName = Tx_PtExtlist_Utility_DbUtils::getSelectPartByFieldConfig($fieldIdentifier);
$singleCriteria = null;
if ($fieldIdentifier->getIsRelation()) {
$singleCriteria = Tx_PtExtlist_Domain_QueryObject_Criteria::relation($fieldName, current($this->filterValues));
} elseif (is_array($this->filterValues) && count($this->filterValues) == 1) {
$singleCriteria = Tx_PtExtlist_Domain_QueryObject_Criteria::equals($fieldName, current($this->filterValues));
} elseif (is_array($this->filterValues) && count($this->filterValues) > 1) {
$singleCriteria = Tx_PtExtlist_Domain_QueryObject_Criteria::in($fieldName, $this->filterValues);
}
return $singleCriteria;
}
