/**
* Overrides EntityReferenceHandler::getReferencableEntities().
* @inheritdoc
*/
public function getReferencableEntities($match = NULL, $match_operator = 'CONTAINS', $limit = 0)
{
if ($match || $limit) {
return parent::getReferencableEntities($match, $match_operator, $limit);
}
$options = array();
$entity_type = $this->field['settings']['target_type'];
// We imitate core by calling taxonomy_get_tree().
$entity_info = entity_get_info('taxonomy_term');
$bundles = !empty($this->field['settings']['handler_settings']['target_bundles']) ? $this->field['settings']['handler_settings']['target_bundles'] : array_keys($entity_info['bundles']);
foreach ($bundles as $bundle) {
if ($vocabulary = taxonomy_vocabulary_machine_name_load($bundle)) {
if ($terms = taxonomy_get_tree($vocabulary->vid, 0)) {
foreach ($terms as $term) {
$context = array('entity' => $term);
od_entity_label_translate_factory::inst()->getTranslator('taxonomy_term', $context)->triggerEvent('pseudo_entity_load');
$options[$vocabulary->machine_name][$term->tid] = str_repeat('-', $term->depth) . check_plain($term->name);
}
}
}
}
return $options;
}
/**
* Overrides EntityReference_SelectionHandler_Generic::settingsForm().
* 0 = Makes the filtering configurable. Either show all terms (filtered on
* interface language) or show only those terms with the same language as the
* referencing (parent) node.
*/
public static function settingsForm($field, $instance)
{
$form = parent::settingsForm($field, $instance);
$form['filter']['language'] = array('#type' => 'select', '#title' => t('Language handling'), '#options' => array(0 => t('Select all terms matching with the interface language'), 1 => t('Select only terms matching the parent\'s language')), '#default_value' => isset($field['settings']['handler_settings']['filter']['language']) ? $field['settings']['handler_settings']['filter']['language'] : 0);
return $form;
}