public function titleFields()
{
$collection = new SearchableReadonlyCollection();
$collection->addAll($this->titleFields);
return $collection;
}
/**
* Adds a display field
* to the collection $titleFields
*
* @param string or array $field the field name
* @param string $label the field label
*/
public function addTitleField($field, $label)
{
if (gettype($field) == 'array') {
if (count($field) == 0) {
throw new InvalidArgumentException('Invalid field');
}
$criteriaCollection = new SearchableReadonlyCollection();
$searchCriteriaProperty = new ToOneRelationPropertyFilter();
$searchCriteriaProperty->setCriteriaAttribute($field[0]);
$titleField = new AsyncSearchCriteriaTitleField($field[0], $label);
for ($i = 1; $i < count($field); $i++) {
if ($i == count($field) - 1) {
$searchCriteria = new SearchCriteria();
$searchCriteria->setCriteriaAttribute($field[$i]);
$criteriaCollection->add($searchCriteria);
} else {
$searchCriteriaPropertyAux = new ToOneRelationPropertyFilter();
$searchCriteriaPropertyAux->setCriteriaAttribute($field[$i]);
$criteriaCollection->add($searchCriteriaPropertyAux);
}
}
$i = 1;
foreach ($criteriaCollection as $criteria) {
if ($i < $criteriaCollection->count()) {
$collectionAux = $criteriaCollection->sliceFrom($i);
$criteria->setSearchCriteria($collectionAux->first());
$i++;
}
}
$searchCriteriaProperty->setSearchCriteria($criteriaCollection->first());
$criteriaCollection->reverse();
$searchCriteria = $criteriaCollection->first();
} else {
$searchCriteria = new SearchCriteria();
$searchCriteria->setCriteriaAttribute($field);
$titleField = new AsyncSearchCriteriaTitleField($field, $label);
}
$filterType = new OrStringFilterType();
$dataType = new SearchDataTypeString();
$filterType->setSearchDataType($dataType);
$searchCriteria->setSearchFilterType($filterType);
if (gettype($field) == 'array') {
$titleField->setSearchCriteria($searchCriteriaProperty);
} else {
$titleField->setSearchCriteria($searchCriteria);
}
$this->titleFields[] = $titleField;
}
