Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\action;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityForm;
Chris@0: use Drupal\Core\Entity\EntityStorageInterface;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\Core\Plugin\PluginFormInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a base form for action forms.
Chris@0:  */
Chris@0: abstract class ActionFormBase extends EntityForm {
Chris@0: 
Chris@0:   /**
Chris@0:    * The action storage.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityStorageInterface
Chris@0:    */
Chris@0:   protected $storage;
Chris@0: 
Chris@0:   /**
Chris@14:    * The action entity.
Chris@14:    *
Chris@14:    * @var \Drupal\system\ActionConfigEntityInterface
Chris@14:    */
Chris@14:   protected $entity;
Chris@14: 
Chris@14:   /**
Chris@0:    * Constructs a new action form.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityStorageInterface $storage
Chris@0:    *   The action storage.
Chris@0:    */
Chris@0:   public function __construct(EntityStorageInterface $storage) {
Chris@0:     $this->storage = $storage;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('entity.manager')->getStorage('action')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function form(array $form, FormStateInterface $form_state) {
Chris@0:     $form['label'] = [
Chris@0:       '#type' => 'textfield',
Chris@0:       '#title' => $this->t('Label'),
Chris@0:       '#default_value' => $this->entity->label(),
Chris@0:       '#maxlength' => '255',
Chris@0:       '#description' => $this->t('A unique label for this advanced action. This label will be displayed in the interface of modules that integrate with actions.'),
Chris@0:     ];
Chris@0: 
Chris@0:     $form['id'] = [
Chris@0:       '#type' => 'machine_name',
Chris@0:       '#default_value' => $this->entity->id(),
Chris@0:       '#disabled' => !$this->entity->isNew(),
Chris@0:       '#maxlength' => 64,
Chris@0:       '#description' => $this->t('A unique name for this action. It must only contain lowercase letters, numbers and underscores.'),
Chris@0:       '#machine_name' => [
Chris@0:         'exists' => [$this, 'exists'],
Chris@0:       ],
Chris@0:     ];
Chris@0:     $form['plugin'] = [
Chris@0:       '#type' => 'value',
Chris@0:       '#value' => $this->entity->get('plugin'),
Chris@0:     ];
Chris@0:     $form['type'] = [
Chris@0:       '#type' => 'value',
Chris@0:       '#value' => $this->entity->getType(),
Chris@0:     ];
Chris@0: 
Chris@14:     if ($plugin = $this->getPlugin()) {
Chris@14:       $form += $plugin->buildConfigurationForm($form, $form_state);
Chris@0:     }
Chris@0: 
Chris@0:     return parent::form($form, $form_state);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Determines if the action already exists.
Chris@0:    *
Chris@0:    * @param string $id
Chris@14:    *   The action ID.
Chris@0:    *
Chris@0:    * @return bool
Chris@0:    *   TRUE if the action exists, FALSE otherwise.
Chris@0:    */
Chris@0:   public function exists($id) {
Chris@0:     $action = $this->storage->load($id);
Chris@0:     return !empty($action);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function actions(array $form, FormStateInterface $form_state) {
Chris@0:     $actions = parent::actions($form, $form_state);
Chris@0:     unset($actions['delete']);
Chris@0:     return $actions;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function validateForm(array &$form, FormStateInterface $form_state) {
Chris@0:     parent::validateForm($form, $form_state);
Chris@14:     if ($plugin = $this->getPlugin()) {
Chris@14:       $plugin->validateConfigurationForm($form, $form_state);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitForm(array &$form, FormStateInterface $form_state) {
Chris@0:     parent::submitForm($form, $form_state);
Chris@14:     if ($plugin = $this->getPlugin()) {
Chris@14:       $plugin->submitConfigurationForm($form, $form_state);
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function save(array $form, FormStateInterface $form_state) {
Chris@0:     $this->entity->save();
Chris@17:     $this->messenger()->addStatus($this->t('The action has been successfully saved.'));
Chris@0: 
Chris@0:     $form_state->setRedirect('entity.action.collection');
Chris@0:   }
Chris@0: 
Chris@14:   /**
Chris@14:    * Gets the action plugin while ensuring it implements configuration form.
Chris@14:    *
Chris@14:    * @return \Drupal\Core\Action\ActionInterface|\Drupal\Core\Plugin\PluginFormInterface|null
Chris@14:    *   The action plugin, or NULL if it does not implement configuration forms.
Chris@14:    */
Chris@14:   protected function getPlugin() {
Chris@14:     if ($this->entity->getPlugin() instanceof PluginFormInterface) {
Chris@14:       return $this->entity->getPlugin();
Chris@14:     }
Chris@14:     return NULL;
Chris@14:   }
Chris@14: 
Chris@0: }