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final class ModerationStateWidget in Lightning Scheduler 8

Scheduler extension of Content Moderation's widget.

@internal This is an internal part of Lightning Scheduler and may be changed or removed at any time without warning. It should not be used by external code in any way.

Hierarchy

Expanded class hierarchy of ModerationStateWidget

1 file declares its use of ModerationStateWidget
lightning_scheduler.module in ./lightning_scheduler.module

File

src/Plugin/Field/FieldWidget/ModerationStateWidget.php, line 23

Namespace

Drupal\lightning_scheduler\Plugin\Field\FieldWidget
View source
final class ModerationStateWidget extends BaseModerationStateWidget {

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    $configuration['third_party_settings'] += [
      'lightning_scheduler' => [
        'time_step' => $container
          ->get('config.factory')
          ->get('lightning_scheduler.settings')
          ->get('time_step'),
      ],
    ];
    return parent::create($container, $configuration, $plugin_id, $plugin_definition);
  }

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    $entity = $items
      ->getEntity();
    assert($entity instanceof ContentEntityInterface);

    // The entity must have the proper fields.
    $has_fields = $entity
      ->hasField('scheduled_transition_date') && $entity
      ->hasField('scheduled_transition_state');
    if (!$has_fields) {
      return $element;
    }
    $states = $this
      ->getStates($entity);

    // The latest revision, if there is one, is the canonical source of truth
    // regarding scheduled transitions.

    /** @var \Drupal\Core\Entity\RevisionableStorageInterface $storage */
    $storage = $this->entityTypeManager
      ->getStorage($entity
      ->getEntityTypeId());
    if (!$entity
      ->isNew() && $storage
      ->getEntityType()
      ->isRevisionable() && ($latest_revision_id = $storage
      ->getLatestRevisionId($entity
      ->id()))) {
      $latest_revision = $storage
        ->loadRevision($latest_revision_id) ?: $entity;
    }
    else {
      $latest_revision = $entity;
    }
    $transition_set = new TransitionSet($latest_revision
      ->get('scheduled_transition_date'), $latest_revision
      ->get('scheduled_transition_state'));
    $element['scheduled_transitions'] = [
      '#type' => 'html_tag',
      '#tag' => 'TransitionSet',
      '#attributes' => [
        'states' => Json::encode($states),
        'step' => $this
          ->getThirdPartySetting('lightning_scheduler', 'time_step', 60),
      ],
      '#attached' => [
        'library' => [
          'lightning_scheduler/widget',
        ],
      ],
      'data' => [
        '#type' => 'hidden',
        '#entity_uuid' => $entity
          ->uuid(),
        '#element_validate' => [
          [
            TransitionManager::class,
            'validate',
          ],
          [
            $this,
            'storeValue',
          ],
        ],
        '#default_value' => $transition_set
          ->toJSON(),
        '#process' => [
          [
            $this,
            'processComponentInput',
          ],
        ],
      ],
    ];
    return $element;
  }

  /**
   * #process callback for the scheduler component's input element.
   *
   * @param array $element
   *   The unprocessed element.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current form state.
   *
   * @return array
   *   The processed element.
   */
  public function processComponentInput(array $element, FormStateInterface $form_state) {
    $key = $element['#parents'];
    if ($form_state
      ->hasValue($key)) {
      $element['#default_value'] = $form_state
        ->getValue($key);
    }
    return $element;
  }

  /**
   * Validation method that accesses the hidden input element, and stores its
   * value in the form state.
   *
   * @param array $element
   *   The hidden input.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state to update.
   */
  public function storeValue(array $element, FormStateInterface $form_state) {
    if ($form_state
      ->getErrors()) {
      return;
    }
    assert(!empty($element['#entity_uuid']));
    $decoded = Json::decode($element['#value']);
    assert(is_array($decoded));
    $transition_storage = $form_state
      ->getValue('transition_storage') ?: [];

    // Support multiple widgets on one form (e.g. Inline Entity Form).
    $uuid = $element['#entity_uuid'];
    $transition_storage[$uuid] = $decoded;
    $form_state
      ->setValue('transition_storage', $transition_storage);
  }

  /**
   * {@inheritdoc}
   */
  public function extractFormValues(FieldItemListInterface $items, array $form, FormStateInterface $form_state) {
    parent::extractFormValues($items, $form, $form_state);
    $transitions = $form_state
      ->getValue('transition_storage');
    $entity = $items
      ->getEntity();
    $uuid = $entity
      ->uuid();

    // Do not use empty() here, because it's possible that the user is trying to
    // clear all scheduled transitions, which means $transitions[$uuid] will
    // be an empty array.
    if (!isset($transitions[$uuid])) {
      return;
    }
    $states = array_map(function (array $transition) {
      assert(!empty($transition['state']) && is_string($transition['state']));
      return [
        'value' => $transition['state'],
      ];
    }, $transitions[$uuid]);
    $dates = array_map(function (array $transition) {
      return [
        'value' => gmdate(DateTimeItemInterface::DATETIME_STORAGE_FORMAT, $transition['when']),
      ];
    }, $transitions[$uuid]);
    assert(count($states) === count($dates));
    $entity
      ->set('scheduled_transition_state', $states)
      ->set('scheduled_transition_date', $dates);
  }

  /**
   * Returns an array of available workflow states for an entity.
   *
   * A workflow state is considered "available" if the current user has
   * permission to use or schedule it.
   *
   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
   *   The entity which has the workflow.
   *
   * @return array
   *   An associative array where the keys are the workflow state IDs, and the
   *   values are the states' human-readable labels.
   */
  private function getStates(ContentEntityInterface $entity) {
    $states = [];
    $workflow = $this->moderationInformation
      ->getWorkflowForEntity($entity);
    foreach ($workflow
      ->getTypePlugin()
      ->getTransitions() as $transition) {
      $base_permission = $workflow
        ->id() . ' transition ' . $transition
        ->id();
      if ($this->currentUser
        ->hasPermission("schedule {$base_permission}") || $this->currentUser
        ->hasPermission("use {$base_permission}")) {
        $to_state = $transition
          ->to();
        $states[$to_state
          ->id()] = $to_state
          ->label();
      }
    }
    return $states;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
AllowedTagsXssTrait::allowedTags public function Returns a list of tags allowed by AllowedTagsXssTrait::fieldFilterXss().
AllowedTagsXssTrait::displayAllowedTags public function Returns a human-readable list of allowed tags for display in help texts.
AllowedTagsXssTrait::fieldFilterXss public function Filters an HTML string to prevent XSS vulnerabilities.
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::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
ModerationStateWidget::$currentUser protected property Current user service.
ModerationStateWidget::$entityTypeManager protected property The entity type manager.
ModerationStateWidget::$moderationInformation protected property Moderation information service.
ModerationStateWidget::$validator protected property Moderation state transition validation service.
ModerationStateWidget::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginSettingsBase::calculateDependencies
ModerationStateWidget::create public static function Creates an instance of the plugin. Overrides ModerationStateWidget::create
ModerationStateWidget::extractFormValues public function Extracts field values from submitted form values. Overrides WidgetBase::extractFormValues
ModerationStateWidget::form public function Creates a form element for a field. Overrides WidgetBase::form
ModerationStateWidget::formElement public function Returns the form for a single field widget. Overrides ModerationStateWidget::formElement
ModerationStateWidget::getStates private function Returns an array of available workflow states for an entity.
ModerationStateWidget::isApplicable public static function Returns if the widget can be used for the provided field. Overrides WidgetBase::isApplicable
ModerationStateWidget::processComponentInput public function #process callback for the scheduler component's input element.
ModerationStateWidget::storeValue public function Validation method that accesses the hidden input element, and stores its value in the form state.
ModerationStateWidget::validateElement public static function Form validation handler for widget elements. Overrides OptionsWidgetBase::validateElement
ModerationStateWidget::__construct public function Constructs a new ModerationStateWidget object. Overrides OptionsWidgetBase::__construct
OptionsSelectWidget::getEmptyLabel protected function Returns the empty option label to add to the list of options, if any. Overrides OptionsWidgetBase::getEmptyLabel
OptionsSelectWidget::sanitizeLabel protected function Sanitizes a string label to display as an option. Overrides OptionsWidgetBase::sanitizeLabel
OptionsSelectWidget::supportsGroups protected function Indicates whether the widgets support optgroups. Overrides OptionsWidgetBase::supportsGroups
OptionsWidgetBase::$column protected property Abstract over the actual field columns, to allow different field types to reuse those widgets.
OptionsWidgetBase::getOptions protected function Returns the array of options for the widget.
OptionsWidgetBase::getSelectedOptions protected function Determines selected options from the incoming field values.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginSettingsBase::$defaultSettingsMerged protected property Whether default settings have been merged into the current $settings.
PluginSettingsBase::$thirdPartySettings protected property The plugin settings injected by third party modules.
PluginSettingsBase::defaultSettings public static function Defines the default settings for this plugin. Overrides PluginSettingsInterface::defaultSettings 42
PluginSettingsBase::getSetting public function Returns the value of a setting, or its default value if absent. Overrides PluginSettingsInterface::getSetting
PluginSettingsBase::getSettings public function Returns the array of settings, including defaults for missing settings. Overrides PluginSettingsInterface::getSettings
PluginSettingsBase::getThirdPartyProviders public function Gets the list of third parties that store information. Overrides ThirdPartySettingsInterface::getThirdPartyProviders
PluginSettingsBase::getThirdPartySetting public function Gets the value of a third-party setting. Overrides ThirdPartySettingsInterface::getThirdPartySetting
PluginSettingsBase::getThirdPartySettings public function Gets all third-party settings of a given module. Overrides ThirdPartySettingsInterface::getThirdPartySettings
PluginSettingsBase::mergeDefaults protected function Merges default settings values into $settings.
PluginSettingsBase::onDependencyRemoval public function Informs the plugin that some configuration it depends on will be deleted. Overrides PluginSettingsInterface::onDependencyRemoval 3
PluginSettingsBase::setSetting public function Sets the value of a setting for the plugin. Overrides PluginSettingsInterface::setSetting
PluginSettingsBase::setSettings public function Sets the settings for the plugin. Overrides PluginSettingsInterface::setSettings
PluginSettingsBase::setThirdPartySetting public function Sets the value of a third-party setting. Overrides ThirdPartySettingsInterface::setThirdPartySetting
PluginSettingsBase::unsetThirdPartySetting public function Unsets a third-party setting. Overrides ThirdPartySettingsInterface::unsetThirdPartySetting
StringTranslationTrait::$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.
WidgetBase::$fieldDefinition protected property The field definition.
WidgetBase::$settings protected property The widget settings. Overrides PluginSettingsBase::$settings
WidgetBase::addMoreAjax public static function Ajax callback for the "Add another item" button.
WidgetBase::addMoreSubmit public static function Submission handler for the "Add another item" button.
WidgetBase::afterBuild public static function After-build handler for field elements in a form.
WidgetBase::errorElement public function Assigns a field-level validation error to the right widget sub-element. Overrides WidgetInterface::errorElement 8
WidgetBase::flagErrors public function Reports field-level validation errors against actual form elements. Overrides WidgetBaseInterface::flagErrors 2
WidgetBase::formMultipleElements protected function Special handling to create form elements for multiple values. 1
WidgetBase::formSingleElement protected function Generates the form element for a single copy of the widget.
WidgetBase::getFieldSetting protected function Returns the value of a field setting.
WidgetBase::getFieldSettings protected function Returns the array of field settings.
WidgetBase::getFilteredDescription protected function Returns the filtered field description.
WidgetBase::getWidgetState public static function Retrieves processing information about the widget from $form_state. Overrides WidgetBaseInterface::getWidgetState
WidgetBase::getWidgetStateParents protected static function Returns the location of processing information within $form_state.
WidgetBase::handlesMultipleValues protected function Returns whether the widget handles multiple values.
WidgetBase::isDefaultValueWidget protected function Returns whether the widget used for default value form.
WidgetBase::massageFormValues public function Massages the form values into the format expected for field values. Overrides WidgetInterface::massageFormValues 7
WidgetBase::settingsForm public function Returns a form to configure settings for the widget. Overrides WidgetInterface::settingsForm 16
WidgetBase::settingsSummary public function Returns a short summary for the current widget settings. Overrides WidgetInterface::settingsSummary 15
WidgetBase::setWidgetState public static function Stores processing information about the widget in $form_state. Overrides WidgetBaseInterface::setWidgetState