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