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<?php
namespace Drupal\content_moderation\Plugin\Field\FieldWidget;
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use Drupal\content_moderation\Plugin\Field\ModerationStateFieldItemList;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\Plugin\Field\FieldWidget\OptionsSelectWidget;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\content_moderation\ModerationInformation;
use Drupal\content_moderation\StateTransitionValidationInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Plugin implementation of the 'moderation_state_default' widget.
*
* @FieldWidget(
* id = "moderation_state_default",
* label = @Translation("Moderation state"),
* field_types = {
* "string"
* }
* )
*/
class ModerationStateWidget extends OptionsSelectWidget implements ContainerFactoryPluginInterface {
/**
* Current user service.
*
* @var \Drupal\Core\Session\AccountInterface
*/
protected $currentUser;
/**
* Moderation information service.
*
* @var \Drupal\content_moderation\ModerationInformation
*/
protected $moderationInformation;
/**
* The entity type manager.
*
* @var \Drupal\Core\Entity\EntityTypeManagerInterface
*/
protected $entityTypeManager;
/**
* Moderation state transition validation service.
*
* @var \Drupal\content_moderation\StateTransitionValidationInterface
*/
protected $validator;
/**
* Constructs a new ModerationStateWidget object.
*
* @param string $plugin_id
* Plugin id.
* @param mixed $plugin_definition
* Plugin definition.
* @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
* Field definition.
* @param array $settings
* Field settings.
* @param array $third_party_settings
* Third party settings.
* @param \Drupal\Core\Session\AccountInterface $current_user
* Current user service.
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* Entity type manager.
* @param \Drupal\content_moderation\ModerationInformation $moderation_information
* Moderation information service.
* @param \Drupal\content_moderation\StateTransitionValidationInterface $validator
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* Moderation state transition validation service.
public function __construct($plugin_id, $plugin_definition, FieldDefinitionInterface $field_definition, array $settings, array $third_party_settings, AccountInterface $current_user, EntityTypeManagerInterface $entity_type_manager, ModerationInformation $moderation_information, StateTransitionValidationInterface $validator) {
parent::__construct($plugin_id, $plugin_definition, $field_definition, $settings, $third_party_settings);
$this->entityTypeManager = $entity_type_manager;
$this->currentUser = $current_user;
$this->moderationInformation = $moderation_information;
$this->validator = $validator;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$plugin_id,
$plugin_definition,
$configuration['field_definition'],
$configuration['settings'],
$configuration['third_party_settings'],
$container->get('current_user'),
$container->get('entity_type.manager'),
$container->get('content_moderation.moderation_information'),
$container->get('content_moderation.state_transition_validation')
);
}
/**
* {@inheritdoc}
*/
public function form(FieldItemListInterface $items, array &$form, FormStateInterface $form_state, $get_delta = NULL) {
$entity = $items->getEntity();
if (!$this->moderationInformation->isModeratedEntity($entity)) {
return [];
return parent::form($items, $form, $form_state, $get_delta);
}
/**
* {@inheritdoc}
*/
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
/** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
$entity = $items->getEntity();
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$workflow = $this->moderationInformation->getWorkflowForEntity($entity);
$default = $items->get($delta)->value ? $workflow->getTypePlugin()->getState($items->get($delta)->value) : $workflow->getTypePlugin()->getInitialState($entity);
/** @var \Drupal\workflows\Transition[] $transitions */
$transitions = $this->validator->getValidTransitions($entity, $this->currentUser);
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$transition_labels = [];
$default_value = NULL;
foreach ($transitions as $transition) {
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$transition_to_state = $transition->to();
$transition_labels[$transition_to_state->id()] = $transition_to_state->label();
if ($default->id() === $transition_to_state->id()) {
$default_value = $default->id();
}
}
$element += [
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'#type' => 'container',
'current' => [
'#type' => 'item',
'#title' => $this->t('Current state'),
'#markup' => $default->label(),
'#access' => !$entity->isNew(),
'#wrapper_attributes' => [
'class' => ['container-inline'],
],
],
'state' => [
'#type' => 'select',
'#title' => $entity->isNew() ? $this->t('Save as') : $this->t('Change to'),
'#key_column' => $this->column,
'#options' => $transition_labels,
'#default_value' => $default_value,
'#access' => !empty($transition_labels),
'#wrapper_attributes' => [
'class' => ['container-inline'],
],
],
$element['#element_validate'][] = [get_class($this), 'validateElement'];
return $element;
}
/**
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* {@inheritdoc}
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public static function validateElement(array $element, FormStateInterface $form_state) {
$form_state->setValueForElement($element, [$element['state']['#key_column'] => $element['state']['#value']]);
}
/**
* {@inheritdoc}
*/
public static function isApplicable(FieldDefinitionInterface $field_definition) {
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return is_a($field_definition->getClass(), ModerationStateFieldItemList::class, TRUE);