/**
* Constructs the EntityQueue selection handler.
*/
protected function __construct($field, $instance = NULL, $entity_type = NULL, $entity = NULL)
{
parent::__construct($field, $instance, $entity_type, $entity);
$queue_name = NULL;
if (!empty($entity->queue)) {
$queue_name = $entity->queue;
} elseif (!empty($instance['bundle'])) {
$queue_name = $instance['bundle'];
}
if (!empty($queue_name)) {
$this->queue = entityqueue_queue_load($queue_name);
}
// Override the entityreference settings with our own.
$this->field['settings']['handler_settings']['target_bundles'] = NULL;
}
/**
* Overrides EntityReference_BehaviorHandler_Abstract::presave().
*/
public function presave($entity_type, $entity, $field, $instance, $langcode, &$items)
{
if ($entity_type == 'entityqueue_subqueue') {
$queue = entityqueue_queue_load($entity->queue);
$max_size = $queue->settings['max_size'];
$act_as_queue = isset($queue->settings['act_as_queue']) ? $queue->settings['act_as_queue'] : 0;
if ($act_as_queue) {
$empty_target_id = create_function('$value', 'return (!empty($value["target_id"])) ? TRUE : FALSE;');
$eq_items = array_filter($items, $empty_target_id);
if (count($eq_items) > $max_size && $max_size > 0) {
// Keep up to $max_size items
$items = array_slice($eq_items, -$max_size);
}
}
}
}
