class ViewsBlock in Drupal 8

Same name in this branch

8 core/modules/views/src/Plugin/Derivative/ViewsBlock.php \Drupal\views\Plugin\Derivative\ViewsBlock
8 core/modules/views/src/Plugin/Block/ViewsBlock.php \Drupal\views\Plugin\Block\ViewsBlock

Same name and namespace in other branches

9 core/modules/views/src/Plugin/Block/ViewsBlock.php \Drupal\views\Plugin\Block\ViewsBlock
10 core/modules/views/src/Plugin/Block/ViewsBlock.php \Drupal\views\Plugin\Block\ViewsBlock

Provides a generic Views block.

Plugin annotation


@Block(
  id = "views_block",
  admin_label = @Translation("Views Block"),
  deriver = "Drupal\views\Plugin\Derivative\ViewsBlock"
)

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Component\Plugin\ContextAwarePluginBase implements ContextAwarePluginInterface
  - class \Drupal\Core\Plugin\ContextAwarePluginBase implements CacheableDependencyInterface, ContextAwarePluginInterface uses DependencySerializationTrait, StringTranslationTrait, TypedDataTrait
    class \Drupal\Core\Block\BlockBase implements BlockPluginInterface, PluginWithFormsInterface, PreviewFallbackInterface uses BlockPluginTrait, ContextAwarePluginAssignmentTrait
    class \Drupal\views\Plugin\Block\ViewsBlockBase implements ContainerFactoryPluginInterface
    class \Drupal\views\Plugin\Block\ViewsBlock

Expanded class hierarchy of ViewsBlock

4 files declare their use of ViewsBlock

Block.php in core/modules/views/src/Plugin/views/display/Block.php
BlockComponentRenderArray.php in core/modules/layout_builder/src/EventSubscriber/BlockComponentRenderArray.php
ViewsBlockTest.php in core/modules/views/tests/src/Kernel/Plugin/ViewsBlockTest.php
ViewsBlockTest.php in core/modules/views/tests/src/Unit/Plugin/Block/ViewsBlockTest.php

File

core/modules/views/src/Plugin/Block/ViewsBlock.php, line 19

Namespace

Drupal\views\Plugin\Block

View source

class ViewsBlock extends ViewsBlockBase {

  /**
   * {@inheritdoc}
   */
  public function build() {
    $this->view->display_handler
      ->preBlockBuild($this);
    $args = [];
    foreach ($this->view->display_handler
      ->getHandlers('argument') as $argument_name => $argument) {

      // Initialize the argument value. Work around a limitation in
      // \Drupal\views\ViewExecutable::_buildArguments() that skips processing
      // later arguments if an argument with default action "ignore" and no
      // argument is provided.
      $args[$argument_name] = $argument->options['default_action'] == 'ignore' ? 'all' : NULL;
      if (!empty($this->context[$argument_name])) {
        if ($value = $this->context[$argument_name]
          ->getContextValue()) {

          // Context values are often entities, but views arguments expect to
          // receive just the entity ID, convert it.
          if ($value instanceof EntityInterface) {
            $value = $value
              ->id();
          }
          $args[$argument_name] = $value;
        }
      }
    }

    // We ask ViewExecutable::buildRenderable() to avoid creating a render cache
    // entry for the view output by passing FALSE, because we're going to cache
    // the whole block instead.
    if ($output = $this->view
      ->buildRenderable($this->displayID, array_values($args), FALSE)) {

      // Before returning the block output, convert it to a renderable array
      // with contextual links.
      $this
        ->addContextualLinks($output);

      // Block module expects to get a final render array, without another
      // top-level #pre_render callback. So, here we make sure that Views'
      // #pre_render callback has already been applied.
      $output = View::preRenderViewElement($output);

      // Override the label to the dynamic title configured in the view.
      if (empty($this->configuration['views_label']) && $this->view
        ->getTitle()) {
        $output['#title'] = [
          '#markup' => $this->view
            ->getTitle(),
          '#allowed_tags' => Xss::getHtmlTagList(),
        ];
      }

      // When view_build is empty, the actual render array output for this View
      // is going to be empty. In that case, return just #cache, so that the
      // render system knows the reasons (cache contexts & tags) why this Views
      // block is empty, and can cache it accordingly.
      if (empty($output['view_build'])) {
        $output = [
          '#cache' => $output['#cache'],
        ];
      }
      return $output;
    }
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    $configuration = parent::getConfiguration();

    // Set the label to the static title configured in the view.
    if (!empty($configuration['views_label'])) {
      $configuration['label'] = $configuration['views_label'];
    }
    return $configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $settings = parent::defaultConfiguration();
    if ($this->displaySet) {
      $settings += $this->view->display_handler
        ->blockSettings($settings);
    }

    // Set custom cache settings.
    if (isset($this->pluginDefinition['cache'])) {
      $settings['cache'] = $this->pluginDefinition['cache'];
    }
    return $settings;
  }

  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state) {
    if ($this->displaySet) {
      return $this->view->display_handler
        ->blockForm($this, $form, $form_state);
    }
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function blockValidate($form, FormStateInterface $form_state) {
    if ($this->displaySet) {
      $this->view->display_handler
        ->blockValidate($this, $form, $form_state);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state) {
    parent::blockSubmit($form, $form_state);
    if ($this->displaySet) {
      $this->view->display_handler
        ->blockSubmit($this, $form, $form_state);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getMachineNameSuggestion() {
    $this->view
      ->setDisplay($this->displayID);
    return 'views_block__' . $this->view->storage
      ->id() . '_' . $this->view->current_display;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BlockPluginInterface::BLOCK_LABEL_VISIBLE		constant	Indicates the block label (title) should be displayed to end users.
BlockPluginTrait::$transliteration	protected	property	The transliteration service.
BlockPluginTrait::access	public	function
BlockPluginTrait::baseConfigurationDefaults	protected	function	Returns generic default configuration for block plugins.
BlockPluginTrait::calculateDependencies	public	function
BlockPluginTrait::label	public	function
BlockPluginTrait::setConfiguration	public	function
BlockPluginTrait::setConfigurationValue	public	function
BlockPluginTrait::setTransliteration	public	function	Sets the transliteration service.
BlockPluginTrait::submitConfigurationForm	public	function	Most block plugins should not override this method. To add submission handling for a specific block type, override BlockBase::blockSubmit().
BlockPluginTrait::transliteration	protected	function	Wraps the transliteration service.
BlockPluginTrait::validateConfigurationForm	public	function	Most block plugins should not override this method. To add validation for a specific block type, override BlockBase::blockValidate().	1
ContextAwarePluginAssignmentTrait::addContextAssignmentElement	protected	function	Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler	protected	function	Wraps the context handler.
ContextAwarePluginBase::$context	protected	property	The data objects representing the context of this plugin.
ContextAwarePluginBase::$contexts Deprecated	private	property	Data objects representing the contexts passed in the plugin configuration.
ContextAwarePluginBase::createContextFromConfiguration	protected	function	Overrides ContextAwarePluginBase::createContextFromConfiguration
ContextAwarePluginBase::getCacheContexts	public	function	The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts	9
ContextAwarePluginBase::getCacheMaxAge	public	function	The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge	7
ContextAwarePluginBase::getCacheTags	public	function	The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags	4
ContextAwarePluginBase::getContext	public	function	This code is identical to the Component in order to pick up a different Context class. Overrides ContextAwarePluginBase::getContext
ContextAwarePluginBase::getContextDefinition	public	function	Overrides ContextAwarePluginBase::getContextDefinition
ContextAwarePluginBase::getContextDefinitions	public	function	Overrides ContextAwarePluginBase::getContextDefinitions
ContextAwarePluginBase::getContextMapping	public	function	Gets a mapping of the expected assignment names to their context names. Overrides ContextAwarePluginInterface::getContextMapping
ContextAwarePluginBase::getContexts	public	function	Gets the defined contexts. Overrides ContextAwarePluginInterface::getContexts
ContextAwarePluginBase::getContextValue	public	function	Gets the value for a defined context. Overrides ContextAwarePluginInterface::getContextValue
ContextAwarePluginBase::getContextValues	public	function	Gets the values for all defined contexts. Overrides ContextAwarePluginInterface::getContextValues
ContextAwarePluginBase::setContext	public	function	Set a context on this plugin. Overrides ContextAwarePluginBase::setContext
ContextAwarePluginBase::setContextMapping	public	function	Sets a mapping of the expected assignment names to their context names. Overrides ContextAwarePluginInterface::setContextMapping
ContextAwarePluginBase::setContextValue	public	function	Sets the value for a defined context. Overrides ContextAwarePluginBase::setContextValue
ContextAwarePluginBase::validateContexts	public	function	Validates the set values for the defined contexts. Overrides ContextAwarePluginInterface::validateContexts
ContextAwarePluginBase::__get	public	function	Implements magic __get() method.
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginWithFormsTrait::getFormClass	public	function
PluginWithFormsTrait::hasFormClass	public	function
StringTranslationTrait::$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.
TypedDataTrait::$typedDataManager	protected	property	The typed data manager used for creating the data types.
TypedDataTrait::getTypedDataManager	public	function	Gets the typed data manager.	2
TypedDataTrait::setTypedDataManager	public	function	Sets the typed data manager.	2
ViewsBlock::blockForm	public	function	Overrides BlockPluginTrait::blockForm
ViewsBlock::blockSubmit	public	function	Overrides ViewsBlockBase::blockSubmit
ViewsBlock::blockValidate	public	function	Overrides BlockPluginTrait::blockValidate
ViewsBlock::build	public	function	Builds and returns the renderable array for this block plugin. Overrides BlockPluginInterface::build
ViewsBlock::defaultConfiguration	public	function	Overrides ViewsBlockBase::defaultConfiguration
ViewsBlock::getConfiguration	public	function	Overrides BlockPluginTrait::getConfiguration
ViewsBlock::getMachineNameSuggestion	public	function	Overrides BlockPluginTrait::getMachineNameSuggestion
ViewsBlockBase::$displayID	protected	property	The display ID being used for this View.
ViewsBlockBase::$displaySet	protected	property	Indicates whether the display was successfully set.
ViewsBlockBase::$user	protected	property	The current user.
ViewsBlockBase::$view	protected	property	The View executable object.
ViewsBlockBase::addContextualLinks	protected	function	Converts Views block content to a renderable array with contextual links.
ViewsBlockBase::blockAccess	protected	function	Indicates whether the block should be shown. Overrides BlockPluginTrait::blockAccess
ViewsBlockBase::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. Overrides BlockPluginTrait::buildConfigurationForm
ViewsBlockBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
ViewsBlockBase::getPreviewFallbackString	public	function	Overrides BlockPluginTrait::getPreviewFallbackString
ViewsBlockBase::getViewExecutable	public	function	Gets the view executable.
ViewsBlockBase::__construct	public	function	Constructs a \Drupal\views\Plugin\Block\ViewsBlockBase object. Overrides BlockPluginTrait::__construct

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class ViewsBlock in Drupal 8

Plugin annotation

Hierarchy

File

Namespace

Members

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