83 lines
2.5 KiB
PHP
83 lines
2.5 KiB
PHP
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<?php
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/**
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* @file
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*/
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use Drupal\Core\Entity\FieldableEntityInterface;
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use Drupal\Core\Field\FieldStorageDefinitionInterface;
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/**
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* Returns the array of allowed values for a list field.
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*
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* The strings are not safe for output. Keys and values of the array should be
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* sanitized through \Drupal\Core\Field\FieldFilteredMarkup before being
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* displayed.
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*
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* @param \Drupal\Core\Field\FieldStorageDefinitionInterface $definition
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* The field storage definition.
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* @param \Drupal\Core\Entity\FieldableEntityInterface|null $entity
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* (optional) The specific entity when this function is called from the
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* context of a specific field on a specific entity. This allows custom
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* 'allowed_values_function' callbacks to either restrict the values or
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* customize the labels for particular bundles and entities. NULL when
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* there is not a specific entity available, such as for Views filters.
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*
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* @return array
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* The array of allowed values. Keys of the array are the raw stored values
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* (number or text), values of the array are the display labels.
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*
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* @see callback_allowed_values_function()
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*/
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function options_allowed_values(FieldStorageDefinitionInterface $definition, ?FieldableEntityInterface $entity = NULL) {
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$allowed_values = &drupal_static(__FUNCTION__, []);
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$cache_keys = [$definition->getTargetEntityTypeId(), $definition->getName()];
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if ($entity) {
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$cache_keys[] = 'entity';
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}
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$cache_id = implode(':', $cache_keys);
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if (!isset($allowed_values[$cache_id])) {
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$function = $definition->getSetting('allowed_values_function');
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// If $cacheable is FALSE, then the allowed values are not statically
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// cached. See OptionsAllowedValues::dynamicValues() for an example of
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// generating dynamic and uncached values.
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$cacheable = TRUE;
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if (!empty($function)) {
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$values = $function($definition, $entity, $cacheable);
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}
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else {
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$values = $definition->getSetting('allowed_values');
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}
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if ($cacheable) {
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$allowed_values[$cache_id] = $values;
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}
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else {
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return $values;
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}
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}
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return $allowed_values[$cache_id];
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}
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/**
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* Checks if a list of values are being used in actual field values.
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*/
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function _options_values_in_use($entity_type, $field_name, $values) {
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if ($values) {
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$result = \Drupal::entityQuery($entity_type)
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->condition($field_name . '.value', $values, 'IN')
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->count()
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->accessCheck(FALSE)
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->range(0, 1)
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->execute();
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if ($result) {
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return TRUE;
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}
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}
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return FALSE;
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}
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