/**
* @param Laralist $list
* @param string $field
* @param string $keyField
* @param string $label
*/
function __construct(Laralist $list, $field, $keyField = null, $label = null)
{
$relation = $list->getCallable($list->model, $field, false);
if (!isset($keyField)) {
$keyField = $relation->getKeyName();
}
parent::__construct($list, $field, $relation->newQuery()->lists($list->getRelationField($field), $keyField), $label);
}
/**
* Get label translation from list fields if available
*
* @param string $field
* @return null|string
*/
private function parseLabel($field)
{
$listFields = $this->list->fields();
if (!isset($listFields[$field])) {
return;
}
$params = $this->list->paramsOf($field);
return $params['translation'];
}