function EntityReference::getSubHandlerOptions

Get all selection plugins for this entity type.

Return value

string[] The selection handlers available for the target entity ID of the filter.

File

core/modules/views/src/Plugin/views/filter/EntityReference.php, line 166

Class

EntityReference

Filters a view by entity references.

Namespace

Code

protected function getSubHandlerOptions() : array {
    if ($this->handlerOptions) {
        return $this->handlerOptions;
    }
    $entity_type = $this->getReferencedEntityType();
    $selection_plugins = $this->selectionPluginManager
        ->getSelectionGroups($entity_type->id());
    $this->handlerOptions = [];
    foreach (array_keys($selection_plugins) as $selection_group_id) {
        // We only display base plugins (e.g. 'default', 'views', ...).
        if (array_key_exists($selection_group_id, $selection_plugins[$selection_group_id])) {
            $this->handlerOptions[$selection_group_id] = (string) $selection_plugins[$selection_group_id][$selection_group_id]['label'];
        }
        elseif (array_key_exists($selection_group_id . ':' . $entity_type->id(), $selection_plugins[$selection_group_id])) {
            $selection_group_plugin = $selection_group_id . ':' . $entity_type->id();
            $this->handlerOptions[$selection_group_plugin] = (string) $selection_plugins[$selection_group_id][$selection_group_plugin]['base_plugin_label'];
        }
    }
    return $this->handlerOptions;
}