class ShowOnlyDeepestLevelItemsProcessor in Facets 8
Provides a processor that only shows deepest level items.
Plugin annotation
@FacetsProcessor(
  id = "show_only_deepest_level_items_processor",
  label = @Translation("Show only deepest item levels"),
  description = @Translation("Only show items that have no children."),
  stages = {
    "build" = 40
  }
)
  Hierarchy
- class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
- class \Drupal\facets\Processor\ProcessorPluginBase implements ProcessorInterface uses DependencyTrait
- class \Drupal\facets\Plugin\facets\processor\ShowOnlyDeepestLevelItemsProcessor implements BuildProcessorInterface
 
 
 - class \Drupal\facets\Processor\ProcessorPluginBase implements ProcessorInterface uses DependencyTrait
 
 - class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
 
Expanded class hierarchy of ShowOnlyDeepestLevelItemsProcessor
1 file declares its use of ShowOnlyDeepestLevelItemsProcessor
- ShowOnlyDeepestLevelItemsProcessorTest.php in tests/
src/ Unit/ Plugin/ processor/ ShowOnlyDeepestLevelItemsProcessorTest.php  
File
- src/
Plugin/ facets/ processor/ ShowOnlyDeepestLevelItemsProcessor.php, line 21  
Namespace
Drupal\facets\Plugin\facets\processorView source
class ShowOnlyDeepestLevelItemsProcessor extends ProcessorPluginBase implements BuildProcessorInterface {
  /**
   * {@inheritdoc}
   */
  public function build(FacetInterface $facet, array $results) {
    /** @var \Drupal\facets\Result\ResultInterface $result */
    foreach ($results as $id => $result) {
      if (!empty($result
        ->getChildren())) {
        unset($results[$id]);
      }
    }
    return $results;
  }
}Members
| 
            Name | 
                  Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| 
            DependencySerializationTrait:: | 
                  protected | property | An array of entity type IDs keyed by the property name of their storages. | |
| 
            DependencySerializationTrait:: | 
                  protected | property | An array of service IDs keyed by property name used for serialization. | |
| 
            DependencySerializationTrait:: | 
                  public | function | 1 | |
| 
            DependencySerializationTrait:: | 
                  public | function | 2 | |
| 
            DependencyTrait:: | 
                  protected | property | The object's dependencies. | |
| 
            DependencyTrait:: | 
                  protected | function | Adds multiple dependencies. | |
| 
            DependencyTrait:: | 
                  protected | function | Adds a dependency. | |
| 
            MessengerTrait:: | 
                  protected | property | The messenger. | 29 | 
| 
            MessengerTrait:: | 
                  public | function | Gets the messenger. | 29 | 
| 
            MessengerTrait:: | 
                  public | function | Sets the messenger. | |
| 
            PluginBase:: | 
                  protected | property | Configuration information passed into the plugin. | 1 | 
| 
            PluginBase:: | 
                  protected | property | The plugin implementation definition. | 1 | 
| 
            PluginBase:: | 
                  protected | property | The plugin_id. | |
| 
            PluginBase:: | 
                  constant | A string which is used to separate base plugin IDs from the derivative ID. | ||
| 
            PluginBase:: | 
                  public | function | 
            Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface:: | 
                  |
| 
            PluginBase:: | 
                  public | function | 
            Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface:: | 
                  |
| 
            PluginBase:: | 
                  public | function | 
            Gets the definition of the plugin implementation. Overrides PluginInspectionInterface:: | 
                  3 | 
| 
            PluginBase:: | 
                  public | function | 
            Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface:: | 
                  |
| 
            PluginBase:: | 
                  public | function | Determines if the plugin is configurable. | |
| 
            PluginBase:: | 
                  public | function | Constructs a \Drupal\Component\Plugin\PluginBase object. | 92 | 
| 
            ProcessorInterface:: | 
                  constant | Processing stage: build. | ||
| 
            ProcessorInterface:: | 
                  constant | Processing stage: post_query. | ||
| 
            ProcessorInterface:: | 
                  constant | Processing stage: pre_query. | ||
| 
            ProcessorInterface:: | 
                  constant | Processing stage: sort. | ||
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Adds a configuration form for this processor. Overrides ProcessorInterface:: | 
                  10 | 
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Calculates dependencies for the configured plugin. Overrides DependentPluginInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Gets default configuration for this plugin. Overrides ConfigurableInterface:: | 
                  8 | 
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Gets this plugin's configuration. Overrides ConfigurableInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Returns the default weight for a specific processing stage. Overrides ProcessorInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Retrieves the processor description. Overrides ProcessorInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Picks the preferred query type for this widget. Overrides ProcessorInterface:: | 
                  4 | 
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Determines whether this processor should be hidden from the user. Overrides ProcessorInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Determines whether this processor should always be enabled. Overrides ProcessorInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Sets the configuration for this plugin instance. Overrides ConfigurableInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | ||
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Checks if the facet is supported by this widget. Overrides ProcessorInterface:: | 
                  6 | 
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Checks whether this processor implements a particular stage. Overrides ProcessorInterface:: | 
                  |
| 
            ProcessorPluginBase:: | 
                  public | function | 
            Validates a configuration form for this processor. Overrides ProcessorInterface:: | 
                  2 | 
| 
            ShowOnlyDeepestLevelItemsProcessor:: | 
                  public | function | 
            Runs before the renderable array is created. Overrides BuildProcessorInterface:: | 
                  |
| 
            StringTranslationTrait:: | 
                  protected | property | The string translation service. | 1 | 
| 
            StringTranslationTrait:: | 
                  protected | function | Formats a string containing a count of items. | |
| 
            StringTranslationTrait:: | 
                  protected | function | Returns the number of plurals supported by a given language. | |
| 
            StringTranslationTrait:: | 
                  protected | function | Gets the string translation service. | |
| 
            StringTranslationTrait:: | 
                  public | function | Sets the string translation service to use. | 2 | 
| 
            StringTranslationTrait:: | 
                  protected | function | Translates a string to the current language or to a given language. |