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class ViewsBlockArea in Views block area 8

Provides an area handler which renders a block entity in a certain view mode.

Plugin annotation

@ViewsArea("views_block_area");

Hierarchy

Expanded class hierarchy of ViewsBlockArea

File

src/Plugin/views/area/ViewsBlockArea.php, line 24
Contains \Drupal\block\Plugin\views\area\Block.

Namespace

Drupal\views_block_area\Plugin\views\area
View source 
class ViewsBlockArea extends AreaPluginBase {

  /**
   * The block plugin manager.
   *
   * @var \Drupal\Core\Block\BlockManagerInterface
   */
  protected $blockManager;

  /**
   * The entity repository.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * The renderer.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('plugin.manager.block'), $container
      ->get('entity.repository'), $container
      ->get('renderer'));
  }

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, BlockManagerInterface $block_manager, EntityRepositoryInterface $entity_repository = NULL, RendererInterface $renderer) {
    $this->blockManager = $block_manager;
    $this->entityRepository = $entity_repository;
    $this->renderer = $renderer;
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

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

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    $options = [];

    /** @var \Drupal\block_field\BlockFieldManagerInterface $block_field_manager */
    $definitions = $this
      ->getBlockDefinitions();
    foreach ($definitions as $id => $definition) {

      // If allowed plugin ids are set then check that this block should be
      // included.
      $category = (string) $definition['category'];
      $options[$category][$id] = $definition['admin_label'];
    }
    $form['block_id'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Block'),
      '#options' => $options,
      '#empty_option' => $this
        ->t('Please select'),
      '#default_value' => $this->options['block_id'],
    ];
  }

  /**
   * Get sorted listed of supported block definitions.
   *
   * @return array
   *   An associative array of supported block definitions.
   */
  protected function getBlockDefinitions() {
    $definitions = $this->blockManager
      ->getSortedDefinitions();
    $block_definitions = [];
    foreach ($definitions as $plugin_id => $definition) {

      // Context aware plugins are not currently supported.
      // Core and component plugins can be context-aware
      // https://www.drupal.org/node/1938688
      // @see \Drupal\ctools\Plugin\Block\EntityView
      if (!empty($definition['context'])) {
        continue;
      }
      $block_definitions[$plugin_id] = $definition;
    }
    return $block_definitions;
  }

  /**
   * {@inheritdoc}
   */
  public function render($empty = FALSE) {
    $element = [];

    /** @var \Drupal\block_field\BlockFieldItemInterface $item */
    $block_instance = $this
      ->getBlock();

    // Make sure the block exists and is accessible.
    if (!$block_instance || !$block_instance
      ->access(\Drupal::currentUser())) {
      return NULL;
    }

    // @see \Drupal\block\BlockViewBuilder::buildPreRenderableBlock
    // @see template_preprocess_block()
    $element = [
      '#theme' => 'block',
      '#attributes' => [],
      '#configuration' => $block_instance
        ->getConfiguration(),
      '#plugin_id' => $block_instance
        ->getPluginId(),
      '#base_plugin_id' => $block_instance
        ->getBaseId(),
      '#derivative_plugin_id' => $block_instance
        ->getDerivativeId(),
      '#id' => $block_instance
        ->getPluginId(),
      'content' => $block_instance
        ->build(),
    ];

    /** @var \Drupal\Core\Render\RendererInterface $renderer */
    $renderer = $this->renderer;
    $renderer
      ->addCacheableDependency($element, $block_instance);
    return $element;
  }

  /**
   * {@inheritdoc}
   */
  protected function getBlock() {
    if (empty($this->options['block_id'])) {
      return NULL;
    }

    /** @var \Drupal\Core\Block\BlockManagerInterface $block_manager */
    $block_manager = $this->blockManager;

    /** @var \Drupal\Core\Block\BlockPluginInterface $block_instance */
    $block_instance = $block_manager
      ->createInstance($this->options['block_id'], []);
    $plugin_definition = $block_instance
      ->getPluginDefinition();

    // Don't return broken block plugin instances.
    if ($plugin_definition['id'] == 'broken') {
      return NULL;
    }

    // Don't return broken block content instances.
    if ($plugin_definition['id'] == 'block_content') {
      $uuid = $block_instance
        ->getDerivativeId();
      if (!$this->entityRepository
        ->loadEntityByUuid('block_content', $uuid)) {
        return NULL;
      }
    }
    return $block_instance;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AreaPluginBase::$areaType public property The type of this area handler, i.e. 'header', 'footer', or 'empty'.
AreaPluginBase::adminSummary public function Provide text for the administrative summary. Overrides HandlerBase::adminSummary
AreaPluginBase::init public function Overrides Drupal\views\Plugin\views\HandlerBase::init(). Overrides HandlerBase::init 1
AreaPluginBase::isEmpty public function Does that area have nothing to show. 1
AreaPluginBase::preRender public function Performs any operations needed before full rendering. 1
AreaPluginBase::usesGroupBy public function Provides the handler some groupby. Overrides HandlerBase::usesGroupBy
DependencySerializationTrait::$_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::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::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies 10
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::query public function Add anything to the query that we might need to. Overrides PluginBase::query 7
HandlerBase::sanitizeValue public function Sanitize the value for output. Overrides ViewsHandlerInterface::sanitizeValue
HandlerBase::setModuleHandler public function Sets the module handler.
HandlerBase::setRelationship public function Called just prior to query(), this lets a handler set up any relationship it needs. Overrides ViewsHandlerInterface::setRelationship
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::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.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$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::$pluginId protected property The plugin_id.
PluginBase::$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::submitOptionsForm public function Handle any special handling on the validate form. Overrides ViewsPluginInterface::submitOptionsForm 16
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::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides TrustedCallbackInterface::trustedCallbacks 6
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::validateOptionsForm public function Validate the options form. Overrides ViewsPluginInterface::validateOptionsForm 15
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.
ViewsBlockArea::$blockManager protected property The block plugin manager.
ViewsBlockArea::$entityRepository protected property The entity repository.
ViewsBlockArea::$renderer protected property The renderer. Overrides PluginBase::$renderer
ViewsBlockArea::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides AreaPluginBase::buildOptionsForm
ViewsBlockArea::create public static function Creates an instance of the plugin. Overrides PluginBase::create
ViewsBlockArea::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides AreaPluginBase::defineOptions
ViewsBlockArea::getBlock protected function
ViewsBlockArea::getBlockDefinitions protected function Get sorted listed of supported block definitions.
ViewsBlockArea::render public function Render the area. Overrides AreaPluginBase::render
ViewsBlockArea::__construct public function Constructs a Handler object. Overrides HandlerBase::__construct