You are here

class BreakLockLink in Drupal 8

Same name and namespace in other branches
  1. 9 core/lib/Drupal/Core/TempStore/Element/BreakLockLink.php \Drupal\Core\TempStore\Element\BreakLockLink

Provides a link to break a tempstore lock.

Properties:

Usage example:

$build['examples_lock'] = [
  '#type' => 'break_lock_link',
  '#label' => $this
    ->t('example item'),
  '#lock' => $tempstore
    ->getMetadata('example_key'),
  '#url' => \Drupal\Core\Url::fromRoute('examples.break_lock_form'),
];

Plugin annotation

@RenderElement("break_lock_link");

Hierarchy

Expanded class hierarchy of BreakLockLink

1 #type use of BreakLockLink
ViewEditForm::form in core/modules/views_ui/src/ViewEditForm.php
Gets the actual form array to be built.

File

core/lib/Drupal/Core/TempStore/Element/BreakLockLink.php, line 32

Namespace

Drupal\Core\TempStore\Element
View source
class BreakLockLink extends RenderElement implements ContainerFactoryPluginInterface {

  /**
   * The date formatter.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

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

  /**
   * Constructs a new BreakLockLink.
   *
   * @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\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, DateFormatterInterface $date_formatter, EntityTypeManagerInterface $entity_type_manager, RendererInterface $renderer) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->dateFormatter = $date_formatter;
    $this->entityTypeManager = $entity_type_manager;
    $this->renderer = $renderer;
  }

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

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    return [
      '#pre_render' => [
        [
          $this,
          'preRenderLock',
        ],
      ],
    ];
  }

  /**
   * Pre-render callback: Renders a lock into #markup.
   *
   * @param array $element
   *   A structured array with the following keys:
   *   - #label: The label of the object that is locked.
   *   - #lock: The lock object.
   *   - #url: The URL object with the destination to the break lock form.
   *
   * @return array
   *   The passed-in element containing a rendered lock in '#markup'.
   */
  public function preRenderLock($element) {
    if (isset($element['#lock']) && isset($element['#label']) && isset($element['#url'])) {

      /** @var \Drupal\Core\TempStore\Lock $lock */
      $lock = $element['#lock'];
      $age = $this->dateFormatter
        ->formatTimeDiffSince($lock
        ->getUpdated());
      $owner = $this->entityTypeManager
        ->getStorage('user')
        ->load($lock
        ->getOwnerId());
      $username = [
        '#theme' => 'username',
        '#account' => $owner,
      ];
      $element['#markup'] = $this
        ->t('This @label is being edited by user @user, and is therefore locked from editing by others. This lock is @age old. Click here to <a href=":url">break this lock</a>.', [
        '@label' => $element['#label'],
        '@user' => $this->renderer
          ->render($username),
        '@age' => $age,
        ':url' => $element['#url']
          ->toString(),
      ]);
    }
    return $element;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
BreakLockLink::$dateFormatter protected property The date formatter.
BreakLockLink::$entityTypeManager protected property The entity type manager.
BreakLockLink::$renderer protected property The renderer.
BreakLockLink::create public static function Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
BreakLockLink::getInfo public function Returns the element properties for this element. Overrides ElementInterface::getInfo
BreakLockLink::preRenderLock public function Pre-render callback: Renders a lock into #markup.
BreakLockLink::__construct public function Constructs a new BreakLockLink. Overrides PluginBase::__construct
DependencySerializationTrait::$_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::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
RenderElement::preRenderAjaxForm public static function Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup public static function Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm public static function Form element processing handler for the #ajax form property. 1
RenderElement::processGroup public static function Arranges elements into groups.
RenderElement::setAttributes public static function Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$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.