class NavigationMenuBlock

Same name and namespace in other branches
  1. 11.x core/modules/navigation/src/Plugin/Block/NavigationMenuBlock.php \Drupal\navigation\Plugin\Block\NavigationMenuBlock

Provides a generic menu navigation block.

@internal

Hierarchy

Expanded class hierarchy of NavigationMenuBlock

3 files declare their use of NavigationMenuBlock
NavigationMenuBlockTest.php in core/modules/navigation/tests/src/Kernel/NavigationMenuBlockTest.php
NavigationMenuMarkupTest.php in core/modules/navigation/tests/src/Kernel/NavigationMenuMarkupTest.php
SystemMenuNavigationBlockTest.php in core/modules/navigation/tests/src/Kernel/SystemMenuNavigationBlockTest.php

File

core/modules/navigation/src/Plugin/Block/NavigationMenuBlock.php, line 21

Namespace

Drupal\navigation\Plugin\Block
View source
final class NavigationMenuBlock extends SystemMenuBlock implements ContainerFactoryPluginInterface {
  const NAVIGATION_MAX_DEPTH = 3;
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) : static {
    return new static($configuration, $plugin_id, $plugin_definition, $container->get('navigation.menu_tree'), $container->get('menu.active_trail'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() : array {
    return [
      'level' => 1,
      'depth' => 0,
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state) : array {
    $form = parent::blockForm($form, $form_state);
    unset($form['menu_levels']['expand_all_items']);
    $form['menu_levels']['depth']['#options'] = range(1, static::NAVIGATION_MAX_DEPTH);
    return $form;
  }
  
  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state) : void {
    $this->configuration['level'] = $form_state->getValue('level');
    $this->configuration['depth'] = $form_state->getValue('depth');
  }
  
  /**
   * {@inheritdoc}
   */
  public function build() : array {
    $menu_name = $this->getDerivativeId();
    $level = $this->configuration['level'];
    $depth = $this->configuration['depth'];
    $parameters = new MenuTreeParameters();
    $parameters->setMinDepth($level)
      ->setMaxDepth(min($level + $depth, $this->menuTree
      ->maxDepth()))
      ->onlyEnabledLinks();
    $tree = $this->menuTree
      ->load($menu_name, $parameters);
    $manipulators = [
      [
        'callable' => 'menu.default_tree_manipulators:checkAccess',
      ],
      [
        'callable' => 'menu.default_tree_manipulators:generateIndexAndSort',
      ],
    ];
    $tree = $this->menuTree
      ->transform($tree, $manipulators);
    $build = $this->menuTree
      ->build($tree);
    if (!empty($build)) {
      $build['#title'] = $this->configuration['label'];
    }
    return $build;
  }
  
  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    return [
      'module' => [
        'system',
      ],
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() : array {
    // We don't use menu active trails here.
    return array_filter(parent::getCacheContexts(), static fn(string $tag) => !str_starts_with($tag, 'route.menu_active_trails'));
  }

}

Members

Title Sort descending Modifiers Object type Summary Member alias Overriden Title Overrides
BlockBase::buildConfigurationForm public function Form constructor. Overrides PluginFormInterface::buildConfigurationForm 2
BlockPluginInterface::BLOCK_LABEL_VISIBLE constant Indicates the block label (title) should be displayed to end users.
BlockPluginTrait::$inPreview protected property Whether the plugin is being rendered in preview mode.
BlockPluginTrait::$transliteration protected property The transliteration service.
BlockPluginTrait::access public function
BlockPluginTrait::baseConfigurationDefaults protected function Returns generic default configuration for block plugins.
BlockPluginTrait::blockAccess protected function Indicates whether the block should be shown. 18
BlockPluginTrait::blockValidate public function 3
BlockPluginTrait::buildConfigurationForm public function Creates a generic configuration form for all block types. Individual
block plugins can add elements to this form by overriding
BlockBase::blockForm(). Most block plugins should not override this
method unless they need to alter the generic form elements.
Aliased as: traitBuildConfigurationForm
BlockPluginTrait::getConfiguration public function 1
BlockPluginTrait::getMachineNameSuggestion public function 1
BlockPluginTrait::getPreviewFallbackString public function 3
BlockPluginTrait::label public function
BlockPluginTrait::setConfiguration public function
BlockPluginTrait::setConfigurationValue public function
BlockPluginTrait::setInPreview public function
BlockPluginTrait::setTransliteration public function Sets the transliteration service.
BlockPluginTrait::submitConfigurationForm public function Most block plugins should not override this method. To add submission
handling for a specific block type, override BlockBase::blockSubmit().
BlockPluginTrait::transliteration protected function Wraps the transliteration service.
BlockPluginTrait::validateConfigurationForm public function Most block plugins should not override this method. To add validation
for a specific block type, override BlockBase::blockValidate().
1
ContextAwarePluginAssignmentTrait::addContextAssignmentElement protected function Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler protected function Wraps the context handler.
ContextAwarePluginTrait::$context protected property The data objects representing the context of this plugin.
ContextAwarePluginTrait::getCacheMaxAge public function 6
ContextAwarePluginTrait::getContext public function
ContextAwarePluginTrait::getContextDefinition public function
ContextAwarePluginTrait::getContextDefinitions public function
ContextAwarePluginTrait::getContextMapping public function 1
ContextAwarePluginTrait::getContexts public function
ContextAwarePluginTrait::getContextValue public function
ContextAwarePluginTrait::getContextValues public function
ContextAwarePluginTrait::getPluginDefinition abstract public function 1
ContextAwarePluginTrait::setContext public function 1
ContextAwarePluginTrait::setContextMapping public function
ContextAwarePluginTrait::setContextValue public function
ContextAwarePluginTrait::validateContexts public function
DerivativeInspectionInterface::getBaseId public function Gets the base_plugin_id of the plugin instance. 1
DerivativeInspectionInterface::getDerivativeId public function Gets the derivative_id of the plugin instance. 1
MessengerTrait::$messenger protected property The messenger. 16
MessengerTrait::messenger public function Gets the messenger. 16
MessengerTrait::setMessenger public function Sets the messenger.
NavigationMenuBlock::blockForm public function Overrides SystemMenuBlock::blockForm
NavigationMenuBlock::blockSubmit public function Overrides SystemMenuBlock::blockSubmit
NavigationMenuBlock::build public function Builds and returns the renderable array for this block plugin. Overrides SystemMenuBlock::build
NavigationMenuBlock::calculateDependencies public function Overrides BlockPluginTrait::calculateDependencies
NavigationMenuBlock::create public static function Creates an instance of the plugin. Overrides SystemMenuBlock::create
NavigationMenuBlock::defaultConfiguration public function Overrides SystemMenuBlock::defaultConfiguration
NavigationMenuBlock::getCacheContexts public function Overrides SystemMenuBlock::getCacheContexts
NavigationMenuBlock::NAVIGATION_MAX_DEPTH constant
PluginInspectionInterface::getPluginId public function Gets the plugin ID of the plugin instance. 2
PluginWithFormsTrait::getFormClass public function Implements \Drupal\Core\Plugin\PluginWithFormsInterface::getFormClass().
PluginWithFormsTrait::hasFormClass public function Implements \Drupal\Core\Plugin\PluginWithFormsInterface::hasFormClass().
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
SystemMenuBlock::$menuActiveTrail protected property The active menu trail service.
SystemMenuBlock::$menuTree protected property The menu link tree service.
SystemMenuBlock::getCacheTags public function Overrides ContextAwarePluginTrait::getCacheTags
SystemMenuBlock::processMenuLevelParents public static function Form API callback: Processes the menu_levels field element.
SystemMenuBlock::__construct public function Constructs a new SystemMenuBlock. Overrides BlockPluginTrait::__construct

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