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abstract class SearchPluginBase in Zircon Profile 8.0

Same name and namespace in other branches
  1. 8 core/modules/search/src/Plugin/SearchPluginBase.php \Drupal\search\Plugin\SearchPluginBase

Defines a base class for plugins wishing to support search.

Hierarchy

Expanded class hierarchy of SearchPluginBase

1 file declares its use of SearchPluginBase
UserSearch.php in core/modules/user/src/Plugin/Search/UserSearch.php
Contains \Drupal\user\Plugin\Search\UserSearch.

File

core/modules/search/src/Plugin/SearchPluginBase.php, line 21
Contains \Drupal\search\Plugin\SearchPluginBase.

Namespace

Drupal\search\Plugin
View source 
abstract class SearchPluginBase extends PluginBase implements ContainerFactoryPluginInterface, SearchInterface, RefinableCacheableDependencyInterface {
  use RefinableCacheableDependencyTrait;

  /**
   * The keywords to use in a search.
   *
   * @var string
   */
  protected $keywords;

  /**
   * Array of parameters from the query string from the request.
   *
   * @var array
   */
  protected $searchParameters;

  /**
   * Array of attributes - usually from the request object.
   *
   * @var array
   */
  protected $searchAttributes;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  public function setSearch($keywords, array $parameters, array $attributes) {
    $this->keywords = (string) $keywords;
    $this->searchParameters = $parameters;
    $this->searchAttributes = $attributes;
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public function getKeywords() {
    return $this->keywords;
  }

  /**
   * {@inheritdoc}
   */
  public function getParameters() {
    return $this->searchParameters;
  }

  /**
   * {@inheritdoc}
   */
  public function getAttributes() {
    return $this->searchAttributes;
  }

  /**
   * {@inheritdoc}
   */
  public function isSearchExecutable() {

    // Default implementation suitable for plugins that only use keywords.
    return !empty($this->keywords);
  }

  /**
   * {@inheritdoc}
   */
  public function getType() {
    return NULL;
  }

  /**
   * {@inheritdoc}
   */
  public function buildResults() {
    $results = $this
      ->execute();
    $built = array();
    foreach ($results as $result) {
      $built[] = array(
        '#theme' => 'search_result',
        '#result' => $result,
        '#plugin_id' => $this
          ->getPluginId(),
      );
    }
    return $built;
  }

  /**
   * {@inheritdoc}
   */
  public function searchFormAlter(array &$form, FormStateInterface $form_state) {

    // Empty default implementation.
  }

  /**
   * {@inheritdoc}
   */
  public function suggestedTitle() {

    // If the user entered a search string, truncate it and append it to the
    // title.
    if (!empty($this->keywords)) {
      return $this
        ->t('Search for @keywords', array(
        '@keywords' => Unicode::truncate($this->keywords, 60, TRUE, TRUE),
      ));
    }

    // Use the default 'Search' title.
    return $this
      ->t('Search');
  }

  /*
   * {@inheritdoc}
   */
  public function buildSearchUrlQuery(FormStateInterface $form_state) {

    // Grab the keywords entered in the form and put them as 'keys' in the GET.
    $keys = trim($form_state
      ->getValue('keys'));
    $query = array(
      'keys' => $keys,
    );
    return $query;
  }

  /*
   * {@inheritdoc}
   */
  public function getHelp() {

    // This default search help is appropriate for plugins like NodeSearch
    // that use the SearchQuery class.
    $help = array(
      'list' => array(
        '#theme' => 'item_list',
        '#items' => array(
          $this
            ->t('Search looks for exact, case-insensitive keywords; keywords shorter than a minimum length are ignored.'),
          $this
            ->t('Use upper-case OR to get more results. Example: cat OR dog (content contains either "cat" or "dog").'),
          $this
            ->t('You can use upper-case AND to require all words, but this is the same as the default behavior. Example: cat AND dog (same as cat dog, content must contain both "cat" and "dog").'),
          $this
            ->t('Use quotes to search for a phrase. Example: "the cat eats mice".'),
          $this
            ->t('You can precede keywords by - to exclude them; you must still have at least one "positive" keyword. Example: cat -dog (content must contain cat and cannot contain dog).'),
        ),
      ),
    );
    return $help;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
PluginBase::$configuration protected property Configuration information passed into the plugin. 2
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
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
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::__construct public function Constructs a Drupal\Component\Plugin\PluginBase object. 69
RefinableCacheableDependencyTrait::$cacheContexts protected property Cache contexts.
RefinableCacheableDependencyTrait::$cacheMaxAge protected property Cache max-age.
RefinableCacheableDependencyTrait::$cacheTags protected property Cache tags.
RefinableCacheableDependencyTrait::addCacheableDependency public function 1
RefinableCacheableDependencyTrait::addCacheContexts public function
RefinableCacheableDependencyTrait::addCacheTags public function
RefinableCacheableDependencyTrait::getCacheContexts public function 4
RefinableCacheableDependencyTrait::getCacheMaxAge public function 4
RefinableCacheableDependencyTrait::getCacheTags public function 4
RefinableCacheableDependencyTrait::mergeCacheMaxAge public function
SearchInterface::execute public function Executes the search. 3
SearchPluginBase::$keywords protected property The keywords to use in a search.
SearchPluginBase::$searchAttributes protected property Array of attributes - usually from the request object.
SearchPluginBase::$searchParameters protected property Array of parameters from the query string from the request.
SearchPluginBase::buildResults public function Executes the search and builds render arrays for the result items. Overrides SearchInterface::buildResults 1
SearchPluginBase::buildSearchUrlQuery public function Builds the URL GET query parameters array for search. Overrides SearchInterface::buildSearchUrlQuery 1
SearchPluginBase::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create 2
SearchPluginBase::getAttributes public function Returns the currently set attributes (from the request). Overrides SearchInterface::getAttributes
SearchPluginBase::getHelp public function Returns the searching help. Overrides SearchInterface::getHelp 1
SearchPluginBase::getKeywords public function Returns the currently set keywords of the plugin instance. Overrides SearchInterface::getKeywords
SearchPluginBase::getParameters public function Returns the current parameters set using setSearch(). Overrides SearchInterface::getParameters
SearchPluginBase::getType public function Returns the search index type this plugin uses. Overrides SearchInterface::getType 1
SearchPluginBase::isSearchExecutable public function Verifies if the values set via setSearch() are valid and sufficient. Overrides SearchInterface::isSearchExecutable 2
SearchPluginBase::searchFormAlter public function Alters the search form when being built for a given plugin. Overrides SearchInterface::searchFormAlter 1
SearchPluginBase::setSearch public function Sets the keywords, parameters, and attributes to be used by execute(). Overrides SearchInterface::setSearch 1
SearchPluginBase::suggestedTitle public function Provides a suggested title for a page of search results. Overrides SearchInterface::suggestedTitle
StringTranslationTrait::$stringTranslation protected property The string translation service.
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.