/**
* If the select field is build by a foreign_table the related UIDs
* will be returned.
*
* Otherwise the label of the currently selected value will be written
* to the alternativeFieldValue class property.
*
* @param array $fieldConfig The "config" section of the TCA for the current select field.
* @param string $fieldName The name of the select field.
* @param string $value The current value in the local record, usually a comma separated list of selected values.
* @return array Array of related UIDs.
*/
protected function getRelatedSelectFieldUids(array $fieldConfig, $fieldName, $value)
{
$relatedUids = array();
$isTraversable = FALSE;
if (isset($fieldConfig['foreign_table'])) {
$isTraversable = TRUE;
// if a foreign_table is used we pre-filter the records for performance
$fieldConfig['foreign_table_where'] .= ' AND ' . $fieldConfig['foreign_table'] . '.uid IN (' . $value . ')';
}
$PA = array();
$PA['fieldConf']['config'] = $fieldConfig;
$PA['fieldConf']['config']['form_type'] = $PA['fieldConf']['config']['form_type'] ? $PA['fieldConf']['config']['form_type'] : $PA['fieldConf']['config']['type'];
$PA['fieldTSConfig'] = $this->formEngine->setTSconfig($this->currentTable, $this->currentRow, $fieldName);
$PA['fieldConf']['config'] = $this->formEngine->overrideFieldConf($PA['fieldConf']['config'], $PA['fieldTSConfig']);
$selectItemArray = $this->formEngine->getSelectItems($this->currentTable, $fieldName, $this->currentRow, $PA);
if ($isTraversable && count($selectItemArray)) {
$this->currentTable = $fieldConfig['foreign_table'];
$relatedUids = $this->getSelectedValuesFromSelectItemArray($selectItemArray, $value);
} else {
$selectedLabels = $this->getSelectedValuesFromSelectItemArray($selectItemArray, $value, 1, TRUE);
if (count($selectedLabels) === 1) {
$this->alternativeFieldValue = $selectedLabels[0];
$this->forceAlternativeFieldValueUse = TRUE;
}
}
return $relatedUids;
}
