abstract class ViewsBlockBase in Drupal 9

Same name and namespace in other branches

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

Base class for Views block plugins.

Hierarchy

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

Expanded class hierarchy of ViewsBlockBase

File

core/modules/views/src/Plugin/Block/ViewsBlockBase.php, line 18

Namespace

Drupal\views\Plugin\Block

View source

abstract class ViewsBlockBase extends BlockBase implements ContainerFactoryPluginInterface {

  /**
   * The View executable object.
   *
   * @var \Drupal\views\ViewExecutable
   */
  protected $view;

  /**
   * The display ID being used for this View.
   *
   * @var string
   */
  protected $displayID;

  /**
   * Indicates whether the display was successfully set.
   *
   * @var bool
   */
  protected $displaySet;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $user;

  /**
   * Constructs a \Drupal\views\Plugin\Block\ViewsBlockBase object.
   *
   * @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.
   * @param \Drupal\views\ViewExecutableFactory $executable_factory
   *   The view executable factory.
   * @param \Drupal\Core\Entity\EntityStorageInterface $storage
   *   The views storage.
   * @param \Drupal\Core\Session\AccountInterface $user
   *   The current user.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, ViewExecutableFactory $executable_factory, EntityStorageInterface $storage, AccountInterface $user) {
    $this->pluginId = $plugin_id;
    $delta = $this
      ->getDerivativeId();
    list($name, $this->displayID) = explode('-', $delta, 2);

    // Load the view.
    $view = $storage
      ->load($name);
    $this->view = $executable_factory
      ->get($view);
    $this->displaySet = $this->view
      ->setDisplay($this->displayID);
    $this->user = $user;
    parent::__construct($configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('views.executable'), $container
      ->get('entity_type.manager')
      ->getStorage('view'), $container
      ->get('current_user'));
  }

  /**
   * {@inheritdoc}
   */
  protected function blockAccess(AccountInterface $account) {
    if ($this->view
      ->access($this->displayID)) {
      $access = AccessResult::allowed();
    }
    else {
      $access = AccessResult::forbidden();
    }
    return $access;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'views_label' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getPreviewFallbackString() {
    if (!empty($this->pluginDefinition["admin_label"])) {
      return $this
        ->t('"@view" views block', [
        '@view' => $this->pluginDefinition["admin_label"],
      ]);
    }
    else {
      return $this
        ->t('"@view" views block', [
        '@view' => $this->view->storage
          ->label() . '::' . $this->displayID,
      ]);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildConfigurationForm($form, $form_state);

    // Set the default label to '' so the views internal title is used.
    $form['label']['#default_value'] = '';
    $form['label']['#access'] = FALSE;

    // Unset the machine_name provided by BlockForm.
    unset($form['id']['#machine_name']['source']);

    // Prevent users from changing the auto-generated block machine_name.
    $form['id']['#access'] = FALSE;
    $form['#pre_render'][] = '\\Drupal\\views\\Plugin\\views\\PluginBase::preRenderAddFieldsetMarkup';

    // Allow to override the label on the actual page.
    $form['views_label_checkbox'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Override title'),
      '#default_value' => !empty($this->configuration['views_label']),
    ];
    $form['views_label_fieldset'] = [
      '#type' => 'fieldset',
      '#states' => [
        'visible' => [
          [
            ':input[name="settings[views_label_checkbox]"]' => [
              'checked' => TRUE,
            ],
          ],
        ],
      ],
    ];
    $form['views_label'] = [
      '#title' => $this
        ->t('Title'),
      '#type' => 'textfield',
      '#default_value' => $this->configuration['views_label'] ?: $this->view
        ->getTitle(),
      '#states' => [
        'visible' => [
          [
            ':input[name="settings[views_label_checkbox]"]' => [
              'checked' => TRUE,
            ],
          ],
        ],
      ],
      '#fieldset' => 'views_label_fieldset',
    ];
    if ($this->view->storage
      ->access('edit') && \Drupal::moduleHandler()
      ->moduleExists('views_ui')) {
      $form['views_label']['#description'] = $this
        ->t('Changing the title here means it cannot be dynamically altered anymore. (Try changing it directly in <a href=":url">@name</a>.)', [
        ':url' => Url::fromRoute('entity.view.edit_display_form', [
          'view' => $this->view->storage
            ->id(),
          'display_id' => $this->displayID,
        ])
          ->toString(),
        '@name' => $this->view->storage
          ->label(),
      ]);
    }
    else {
      $form['views_label']['#description'] = $this
        ->t('Changing the title here means it cannot be dynamically altered anymore.');
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state) {
    if (!$form_state
      ->isValueEmpty('views_label_checkbox')) {
      $this->configuration['views_label'] = $form_state
        ->getValue('views_label');
    }
    else {
      $this->configuration['views_label'] = '';
    }
    $form_state
      ->unsetValue('views_label_checkbox');
  }

  /**
   * Converts Views block content to a renderable array with contextual links.
   *
   * @param string|array $output
   *   A string|array representing the block. This will be modified to be a
   *   renderable array, containing the optional '#contextual_links' property (if
   *   there are any contextual links associated with the block).
   * @param string $block_type
   *   The type of the block. If it's 'block' it's a regular views display,
   *   but 'exposed_filter' exist as well.
   */
  protected function addContextualLinks(&$output, $block_type = 'block') {

    // Do not add contextual links to an empty block.
    if (!empty($output)) {

      // Contextual links only work on blocks whose content is a renderable
      // array, so if the block contains a string of already-rendered markup,
      // convert it to an array.
      if (is_string($output)) {
        $output = [
          '#markup' => $output,
        ];
      }

      // views_add_contextual_links() needs the following information in
      // order to be attached to the view.
      $output['#view_id'] = $this->view->storage
        ->id();
      $output['#view_display_show_admin_links'] = $this->view
        ->getShowAdminLinks();
      $output['#view_display_plugin_id'] = $this->view->display_handler
        ->getPluginId();
      views_add_contextual_links($output, $block_type, $this->displayID);
    }
  }

  /**
   * Gets the view executable.
   *
   * @return \Drupal\views\ViewExecutable
   *   The view executable.
   *
   * @todo revisit after https://www.drupal.org/node/3027653. This method was
   *   added in https://www.drupal.org/node/3002608, but should not be
   *   necessary once block plugins can determine if they are being previewed.
   */
  public function getViewExecutable() {
    return $this->view;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BlockPluginInterface::BLOCK_LABEL_VISIBLE		constant	Indicates the block label (title) should be displayed to end users.
BlockPluginInterface::build	public	function	Builds and returns the renderable array for this block plugin.	49
BlockPluginTrait::$transliteration	protected	property	The transliteration service.
BlockPluginTrait::access	public	function
BlockPluginTrait::baseConfigurationDefaults	protected	function	Returns generic default configuration for block plugins.
BlockPluginTrait::blockForm	public	function		16
BlockPluginTrait::blockValidate	public	function		3
BlockPluginTrait::buildConfigurationForm	public	function	Creates a generic configuration form for all block types. Individual block plugins can add elements to this form by overriding BlockBase::blockForm(). Most block plugins should not override this method unless they need to alter the generic form elements. Aliased as: traitBuildConfigurationForm
BlockPluginTrait::calculateDependencies	public	function
BlockPluginTrait::getConfiguration	public	function		1
BlockPluginTrait::getMachineNameSuggestion	public	function		1
BlockPluginTrait::label	public	function
BlockPluginTrait::setConfiguration	public	function
BlockPluginTrait::setConfigurationValue	public	function
BlockPluginTrait::setTransliteration	public	function	Sets the transliteration service.
BlockPluginTrait::submitConfigurationForm	public	function	Most block plugins should not override this method. To add submission handling for a specific block type, override BlockBase::blockSubmit().
BlockPluginTrait::transliteration	protected	function	Wraps the transliteration service.
BlockPluginTrait::validateConfigurationForm	public	function	Most block plugins should not override this method. To add validation for a specific block type, override BlockBase::blockValidate().	1
ContextAwarePluginAssignmentTrait::addContextAssignmentElement	protected	function	Builds a form element for assigning a context to a given slot.
ContextAwarePluginAssignmentTrait::contextHandler	protected	function	Wraps the context handler.
ContextAwarePluginTrait::$context	protected	property	The data objects representing the context of this plugin.
ContextAwarePluginTrait::$initializedContextConfig	protected	property	Tracks whether the context has been initialized from configuration.
ContextAwarePluginTrait::getCacheContexts	public	function		9
ContextAwarePluginTrait::getCacheMaxAge	public	function		7
ContextAwarePluginTrait::getCacheTags	public	function		4
ContextAwarePluginTrait::getContext	public	function
ContextAwarePluginTrait::getContextDefinition	public	function
ContextAwarePluginTrait::getContextDefinitions	public	function
ContextAwarePluginTrait::getContextMapping	public	function
ContextAwarePluginTrait::getContexts	public	function
ContextAwarePluginTrait::getContextValue	public	function
ContextAwarePluginTrait::getContextValues	public	function
ContextAwarePluginTrait::getPluginDefinition	abstract protected	function		1
ContextAwarePluginTrait::setContext	public	function		1
ContextAwarePluginTrait::setContextMapping	public	function
ContextAwarePluginTrait::setContextValue	public	function
ContextAwarePluginTrait::validateContexts	public	function
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
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::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
PluginWithFormsTrait::getFormClass	public	function	Implements \Drupal\Core\Plugin\PluginWithFormsInterface::getFormClass().
PluginWithFormsTrait::hasFormClass	public	function	Implements \Drupal\Core\Plugin\PluginWithFormsInterface::hasFormClass().
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
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.
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::blockSubmit	public	function	Overrides BlockPluginTrait::blockSubmit	1
ViewsBlockBase::buildConfigurationForm	public	function	Form constructor. Overrides BlockBase::buildConfigurationForm
ViewsBlockBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
ViewsBlockBase::defaultConfiguration	public	function	Overrides BlockPluginTrait::defaultConfiguration	1
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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abstract class ViewsBlockBase in Drupal 9

Hierarchy

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