public function __invoke(Field $field)
{
if (!$field->isType('reference')) {
throw new Exception('The FilterReferenceAsText template can only be used on DB reference fields.');
}
$reference = $field->getOptionPairsReference();
$titleColumn = $field->getOptionPairs()->detectTitleColumn();
$field->assignHelperCallback('SelectFilter.FilterType', function () {
return ['type' => 'text', 'options' => []];
})->assignHelperCallback('SelectFilter.SelectModifier', function ($helper, Select $select, $conditionSetName, $queryVars) use($reference, $titleColumn) {
$filter = new TextFilter($reference['table'], $titleColumn);
return $filter->apply($select, $conditionSetName, $queryVars);
});
}
