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class MenuChildren in Views Menu Node Children Filter 8.2

Same name in this branch
  1. 8.2 src/Plugin/views/sort/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\sort\MenuChildren
  2. 8.2 src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren
Same name and namespace in other branches
  1. 8 src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren
  2. 3.0.x src/Plugin/views/argument/MenuChildren.php \Drupal\views_menu_children_filter\Plugin\views\argument\MenuChildren

A filter to show menu children of a parent menu item

Plugin annotation

@ViewsArgument("menu_children");

Hierarchy

Expanded class hierarchy of MenuChildren

File

src/Plugin/views/argument/MenuChildren.php, line 21

Namespace

Drupal\views_menu_children_filter\Plugin\views\argument
View source 
class MenuChildren extends NumericArgument {

  /**
   * @var \Drupal\views_menu_children_filter\Plugin\views\join\MenuChildrenNodeJoin
   */
  protected $joinHandler;

  /**
   * @var MenuLinkManagerInterface
   */
  protected $menuLinkManager;

  /**
   * MenuChildren constructor.
   *
   * @param \Drupal\views_menu_children_filter\Plugin\views\join\MenuChildrenNodeJoin $join_handler
   * @param MenuLinkManagerInterface $menu_link_manager
   * @param array $configuration
   * @param string $plugin_id
   * @param mixed $plugin_definition
   */
  function __construct(MenuChildrenNodeJoin $join_handler, MenuLinkManagerInterface $menu_link_manager, array $configuration, $plugin_id, $plugin_definition) {
    $this->joinHandler = $join_handler;
    $this->menuLinkManager = $menu_link_manager;
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

  /**
   * Creates an instance of the plugin.
   *
   * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
   *   The container to pull out services used in the plugin.
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin ID for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   *
   * @return static
   *   Returns an instance of this plugin.
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($container
      ->get('views_menu_children_filter.join_handler'), $container
      ->get('plugin.manager.menu.link'), $configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['target_menus'] = [
      'default' => [],
    ];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    unset($form['not'], $form['break_phrase']);
    $form['target_menus'] = MenuOptionsHelper::getSelectField($this->options['target_menus']);
  }

  /**
   * {@inheritdoc}
   */
  public function query($group_by = FALSE) {
    $page_identifier = is_array($this->value) ? reset($this->value) : NULL;

    // If we aren't going to filter by a parent, just depend on the
    // join that is established in $this::setRelationship().
    if (!empty($page_identifier)) {
      $menus = $this->options['target_menus'];

      // Filter results to children nodes of the node found for the provided page_identifier.
      $this
        ->filterChildrenNodeByParent($this->query, $page_identifier, $menus);
    }
    elseif (is_null($page_identifier)) {
      $this->query
        ->addWhere(0, 'menu_link_content_data.parent', NULL, 'IS NULL');
    }
  }

  /**
   * Filter results to child nodes of a MenuLink found by the
   * $parent_page_identifier.
   *
   * @param \Drupal\views\Plugin\views\query\Sql $query
   * @param string $parent_page_identifier String representation of a parent
   *   node to lookup. This could be a node ID or a relative URL to a parent
   *   page.
   * @param array $menus The menu names to constrain the results to.
   */
  public function filterChildrenNodeByParent(Sql $query, $parent_page_identifier, array $menus) {
    $url = self::getUrlFromFilterInput($parent_page_identifier);
    $link = $this
      ->getMenuLinkFromTargetUrl($menus, $url);
    self::filterByPage($query, $link);
  }

  /**
   * Takes a path (url) and finds the matching MenuLink within the provided
   * menus.
   *
   * @param array|NULL $menus The menus to search for the parent within
   * @param Url $url The argument, usually a path or a NID
   * @param bool $reset_cache Resets the static caching.
   *
   * @return \Drupal\Core\Menu\MenuLinkInterface|null
   */
  public function getMenuLinkFromTargetUrl($menus, Url $url = NULL, $reset_cache = FALSE) {
    static $route_links = [];
    $route = NULL;
    $target_menu_link = NULL;
    if ($reset_cache) {
      $route_links = [];
    }
    if (empty($menus)) {
      $menus = [
        'all_menus',
      ];
    }
    if (isset($url)) {
      $route = $url
        ->getRouteName();
      $routeParameters = $url
        ->getRouteParameters();

      // There is a strange behavior in looking up a link by route if a route
      // parameter only has a key, and no value. Check of the route parameters
      // has any keys with null values.
      foreach ($routeParameters as $key => $value) {
        if (is_null($value)) {
          unset($routeParameters[$key]);
        }
      }
      foreach ((array) $menus as $menu) {

        // Build an identifier of our values for static caching lookups.
        $path_identifier = self::buildRouteIdentifier($menu, $route, $routeParameters);

        // Has this lookup been performed and cached already?
        if (isset($route_links[$path_identifier])) {
          return $route_links[$path_identifier];
        }
        if ($menu === 'all_menus') {
          $menu = NULL;
        }
        $menu_links = $this->menuLinkManager
          ->loadLinksByRoute($route, $routeParameters, $menu);
        if (!empty($menu_links)) {

          // Ideally, only one result is returned.
          // If multiple links returned, maybe I should add some kind of reporting?

          //TODO: Add alerting, throw exception, or log the fact that more than one result was found.
          $target_menu_link = reset($menu_links);
          $route_links[$path_identifier] = $target_menu_link;
          break;
        }
      }
    }
    return $target_menu_link;
  }

  /**
   * Creates a string representing menu link for static caching.
   * Example output: menu_name:route_name:route_param1_key:route_param1_value
   *
   * @param string $menu_name
   * @param string $route_name
   * @param array $route_parameters Example: [ 'node': 1 ]
   *
   * @return string
   */
  public static function buildRouteIdentifier($menu_name, $route_name, array $route_parameters) {

    // Merge the keys and values of the $route_parameters array into a zipper like fashion.
    $zipped_arrays = array_map(NULL, array_keys($route_parameters), array_values($route_parameters));
    $parameters = '';
    if (!empty(reset($zipped_arrays))) {
      $parameters = implode(":", reset($zipped_arrays));
    }
    return "{$menu_name}:{$route_name}:" . $parameters;
  }

  /**
   * @inheritdoc
   */
  public function setRelationship() {
    $this->joinHandler
      ->joinToNodeTable($this->query);
    $menus = $this->options['target_menus'];
    if ($menus) {
      $this->query
        ->addWhereExpression(0, 'menu_link_content_data.menu_name in (:menus[])', [
        ':menus[]' => array_keys($menus),
      ]);
    }
  }

  /**
   * Filter the query by either a: parent node, page page via its link_path, or
   * null and limit to root nodes.
   *
   * @param \Drupal\views\Plugin\views\query\Sql $query The $query The query
   *   we're going to alter.
   * @param \Drupal\menu_link_content\Plugin\Menu\MenuLinkContent $link The by
   *   parent link.
   */
  public static function filterByPage(Sql $query, $link) {
    $parent = isset($link) ? $link
      ->getPluginId() : 0;
    $query
      ->addWhereExpression(0, 'menu_link_content_data.parent = :parent_lid', [
      ':parent_lid' => $parent,
    ]);
  }

  /**
   * Gets a Url based on the provided user input.
   * Could be either a Node Id, or a menu entry path.
   *
   * @param string|integer $input The routable url path, or node ID. I.e.:
   *   node/100 (Supports an integer to default to node/%)
   *
   * @return Url The Url object representing the parent entity
   */
  protected static function getUrlFromFilterInput($input) {
    if (is_numeric($input)) {
      $url = Url::fromRoute('entity.node.canonical', [
        'node' => $input,
      ]);
    }
    else {
      $url = Url::fromUserInput('/' . trim($input, '/'));
    }
    return $url;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ArgumentPluginBase::$argument public property
ArgumentPluginBase::$name_field public property The field to use for the name to use in the summary, which is the displayed output. For example, for the node: nid argument, the argument itself is the nid, but node.title is displayed.
ArgumentPluginBase::$name_table public property The table to use for the name, should it not be in the same table as the argument.
ArgumentPluginBase::$validator public property
ArgumentPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides HandlerBase::calculateDependencies
ArgumentPluginBase::decodeValidatorId public static function Revert sanitized validator options.
ArgumentPluginBase::defaultAccessDenied public function Default action: access denied.
ArgumentPluginBase::defaultAction public function Handle the default action, which means our argument wasn't present.
ArgumentPluginBase::defaultActions protected function Provide a list of default behaviors for this argument if the argument is not present. 3
ArgumentPluginBase::defaultArgumentForm public function Provide a form for selecting the default argument when the default action is set to provide default argument. 1
ArgumentPluginBase::defaultDefault protected function This just returns true. The view argument builder will know where to find the argument from.
ArgumentPluginBase::defaultEmpty public function Default action: empty
ArgumentPluginBase::defaultIgnore public function Default action: ignore.
ArgumentPluginBase::defaultNotFound protected function Default action: not found.
ArgumentPluginBase::defaultSummary protected function Default action: summary.
ArgumentPluginBase::defaultSummaryForm public function Provide a form for selecting further summary options when the default action is set to display one.
ArgumentPluginBase::encodeValidatorId public static function Sanitize validator options including derivatives with : for js.
ArgumentPluginBase::exceptionTitle public function
ArgumentPluginBase::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
ArgumentPluginBase::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
ArgumentPluginBase::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
ArgumentPluginBase::getDefaultArgument public function Get a default argument, if available. 1
ArgumentPluginBase::getPlugin public function Get the display or row plugin, if it exists.
ArgumentPluginBase::getTitle public function Called by the view object to get the title. This may be set by a validator so we don't necessarily call through to title().
ArgumentPluginBase::getTokenHelp protected function Provide token help information for the argument.
ArgumentPluginBase::getValue public function Get the value of this argument.
ArgumentPluginBase::hasDefaultArgument public function Determine if the argument is set to provide a default argument.
ArgumentPluginBase::init public function Overrides Drupal\views\Plugin\views\HandlerBase:init(). Overrides HandlerBase::init 5
ArgumentPluginBase::isException public function
ArgumentPluginBase::needsStylePlugin public function Determine if the argument needs a style plugin.
ArgumentPluginBase::preRenderMoveArgumentOptions public static function Moves argument options into their place.
ArgumentPluginBase::processContainerRadios public static function Custom form radios process function.
ArgumentPluginBase::processSummaryArguments public function Process the summary arguments for display.
ArgumentPluginBase::setArgument public function Set the input for this argument
ArgumentPluginBase::submitOptionsForm public function Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm
ArgumentPluginBase::summaryArgument public function Provide the argument to use to link from the summary to the next level; this will be called once per row of a summary, and used as part of $view->getUrl(). 4
ArgumentPluginBase::summaryBasics public function Some basic summary behavior that doesn't need to be repeated as much as code that goes into summaryQuery()
ArgumentPluginBase::summaryName public function Provides the name to use for the summary. By default this is just the name field. 8
ArgumentPluginBase::summaryNameField protected function Add the name field, which is the field displayed in summary queries. This is often used when the argument is numeric.
ArgumentPluginBase::summaryQuery protected function Build the info for the summary query. 3
ArgumentPluginBase::summarySort public function Sorts the summary based upon the user's selection. The base variant of this is usually adequate.
ArgumentPluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
ArgumentPluginBase::unpackArgumentValue protected function Splits an argument into value and operator properties on this instance.
ArgumentPluginBase::validateArgument public function Validate that this argument works. By default, all arguments are valid.
ArgumentPluginBase::validateFail public function How to act if validation fails.
ArgumentPluginBase::validateMenuArgument public function Called by the menu system to validate an argument.
ArgumentPluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
HandlerBase::$field public property With field you can override the realField if the real field is not set.
HandlerBase::$moduleHandler protected property The module handler. 3
HandlerBase::$query public property Where the $query object will reside: 7
HandlerBase::$realField public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship public property The relationship used for this field.
HandlerBase::$table public property The table this handler is attached to.
HandlerBase::$tableAlias public property The alias of the table of this handler which is used in the query.
HandlerBase::$viewsData protected property The views data service.
HandlerBase::acceptExposedInput public function Take input from exposed handlers and assign to this handler, if necessary. 1
HandlerBase::access public function Check whether given user has access to this handler. Overrides ViewsHandlerInterface::access 4
HandlerBase::adminLabel public function Return a string representing this handler's name in the UI. Overrides ViewsHandlerInterface::adminLabel 4
HandlerBase::adminSummary public function Provide text for the administrative summary. Overrides ViewsHandlerInterface::adminSummary 4
HandlerBase::breakString public static function Breaks x,y,z and x+y+z into an array. Overrides ViewsHandlerInterface::breakString
HandlerBase::broken public function Determines if the handler is considered 'broken', meaning it's a placeholder used when a handler can't be found. Overrides ViewsHandlerInterface::broken
HandlerBase::buildExposedForm public function Render our chunk of the exposed handler form when selecting 1
HandlerBase::buildExposeForm public function Form for exposed handler options. 2
HandlerBase::buildExtraOptionsForm public function Provide a form for setting options. 1
HandlerBase::buildGroupByForm public function Provide a form for aggregation settings. 1
HandlerBase::canExpose public function Determine if a handler can be exposed. 2
HandlerBase::caseTransform protected function Transform a string by a certain method.
HandlerBase::defaultExposeOptions public function Set new exposed option defaults when exposed setting is flipped on. 2
HandlerBase::defineExtraOptions public function Provide defaults for the handler.
HandlerBase::displayExposedForm public function Displays the Expose form.
HandlerBase::ensureMyTable public function Ensure the main table for this handler is in the query. This is used a lot. Overrides ViewsHandlerInterface::ensureMyTable 2
HandlerBase::exposedInfo public function Get information about the exposed form for the form renderer. 1
HandlerBase::getDateField public function Creates cross-database SQL dates. 2
HandlerBase::getDateFormat public function Creates cross-database SQL date formatting. 2
HandlerBase::getEntityType public function Determines the entity type used by this handler. Overrides ViewsHandlerInterface::getEntityType
HandlerBase::getField public function Shortcut to get a handler's raw field value. Overrides ViewsHandlerInterface::getField
HandlerBase::getJoin public function Get the join object that should be used for this handler. Overrides ViewsHandlerInterface::getJoin
HandlerBase::getModuleHandler protected function Gets the module handler.
HandlerBase::getTableJoin public static function Fetches a handler to join one table to a primary table from the data cache. Overrides ViewsHandlerInterface::getTableJoin
HandlerBase::getViewsData protected function Gets views data service.
HandlerBase::hasExtraOptions public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
HandlerBase::isAGroup public function Returns TRUE if the exposed filter works like a grouped filter. 1
HandlerBase::isExposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput public function Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets. 1
HandlerBase::placeholder protected function Provides a unique placeholders for handlers.
HandlerBase::postExecute public function Run after the view is executed, before the result is cached. Overrides ViewsHandlerInterface::postExecute
HandlerBase::preQuery public function Run before the view is built. Overrides ViewsHandlerInterface::preQuery 2
HandlerBase::sanitizeValue public function Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler public function Sets the module handler.
HandlerBase::setViewsData public function
HandlerBase::showExposeButton public function Shortcut to display the expose/hide button. 2
HandlerBase::showExposeForm public function Shortcut to display the exposed options form. Overrides ViewsHandlerInterface::showExposeForm
HandlerBase::storeExposedInput public function If set to remember exposed input in the session, store it there. 1
HandlerBase::submitExposed public function Submit the exposed handler form
HandlerBase::submitExposeForm public function Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitExtraOptionsForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
HandlerBase::submitFormCalculateOptions public function Calculates options stored on the handler 1
HandlerBase::submitGroupByForm public function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. 1
HandlerBase::submitTemporaryForm public function A submit handler that is used for storing temporary items when using multi-step changes, such as ajax requests.
HandlerBase::usesGroupBy public function Provides the handler some groupby. 13
HandlerBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate 2
HandlerBase::validateExposed public function Validate the exposed handler form 4
HandlerBase::validateExposeForm public function Validate the options form. 1
HandlerBase::validateExtraOptionsForm public function Validate the options form.
MenuChildren::$joinHandler protected property
MenuChildren::$menuLinkManager protected property
MenuChildren::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides NumericArgument::buildOptionsForm
MenuChildren::buildRouteIdentifier public static function Creates a string representing menu link for static caching. Example output: menu_name:route_name:route_param1_key:route_param1_value
MenuChildren::create public static function Creates an instance of the plugin. Overrides PluginBase::create
MenuChildren::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides NumericArgument::defineOptions
MenuChildren::filterByPage public static function Filter the query by either a: parent node, page page via its link_path, or null and limit to root nodes.
MenuChildren::filterChildrenNodeByParent public function Filter results to child nodes of a MenuLink found by the $parent_page_identifier.
MenuChildren::getMenuLinkFromTargetUrl public function Takes a path (url) and finds the matching MenuLink within the provided menus.
MenuChildren::getUrlFromFilterInput protected static function Gets a Url based on the provided user input. Could be either a Node Id, or a menu entry path.
MenuChildren::query public function Set up the query for this argument. Overrides NumericArgument::query
MenuChildren::setRelationship public function @inheritdoc Overrides HandlerBase::setRelationship
MenuChildren::__construct function MenuChildren constructor. Overrides HandlerBase::__construct
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
NumericArgument::$operator public property The operator used for the query: or|and.
NumericArgument::$value public property The actual value which is used for querying. Overrides ArgumentPluginBase::$value
NumericArgument::getContextDefinition public function Returns a context definition for this argument. Overrides ArgumentPluginBase::getContextDefinition
NumericArgument::getSortName public function Return a description of how the argument would normally be sorted. Overrides ArgumentPluginBase::getSortName
NumericArgument::title public function Get the title this argument will assign the view, given the argument. Overrides ArgumentPluginBase::title 2
NumericArgument::titleQuery public function Override for specific title lookups. 6
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer. 3
PluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. 8
PluginBase::$view public property The top object of a view. 1
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. Overrides ViewsPluginInterface::destroy 2
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function Filter out stored options depending on the defined options. Overrides ViewsPluginInterface::filterByDefinedOptions
PluginBase::getAvailableGlobalTokens public function Returns an array of available token replacements. Overrides ViewsPluginInterface::getAvailableGlobalTokens
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::getProvider public function Returns the plugin provider. Overrides ViewsPluginInterface::getProvider
PluginBase::getRenderer protected function Returns the render API renderer. 1
PluginBase::globalTokenForm public function Adds elements for available core tokens to a form. Overrides ViewsPluginInterface::globalTokenForm
PluginBase::globalTokenReplace public function Returns a string with any core tokens replaced. Overrides ViewsPluginInterface::globalTokenReplace
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function Return the human readable name of the display. Overrides ViewsPluginInterface::pluginTitle
PluginBase::preRenderAddFieldsetMarkup public static function Moves form elements into fieldsets for presentation purposes. Overrides ViewsPluginInterface::preRenderAddFieldsetMarkup
PluginBase::preRenderFlattenData public static function Flattens the structure of form elements. Overrides ViewsPluginInterface::preRenderFlattenData
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::summaryTitle public function Returns the summary of the settings in the display. Overrides ViewsPluginInterface::summaryTitle 6
PluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. Overrides ViewsPluginInterface::themeFunctions 1
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away. Overrides ViewsPluginInterface::unpackOptions
PluginBase::usesOptions public function Returns the usesOptions property. Overrides ViewsPluginInterface::usesOptions 8
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin. 1
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
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.
TrustedCallbackInterface::THROW_EXCEPTION constant Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION constant Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING constant Untrusted callbacks trigger E_USER_WARNING errors.