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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\config_test\ConfigTestForm. | |
| */ | |
| namespace Drupal\config_test; | |
| use Drupal\Core\Entity\EntityForm; | |
| use Drupal\Core\Entity\Query\QueryFactory; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Language\LanguageInterface; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| /** | |
| * Form controller for the test config edit forms. | |
| */ | |
| class ConfigTestForm extends EntityForm { | |
| /** | |
| * The entity query. | |
| * | |
| * @var \Drupal\Core\Entity\Query\QueryFactory | |
| */ | |
| protected $entityQuery; | |
| /** | |
| * Constructs a new ConfigTestForm. | |
| * | |
| * @param \Drupal\Core\Entity\Query\QueryFactory $entity_query | |
| * The entity query. | |
| */ | |
| public function __construct(QueryFactory $entity_query) { | |
| $this->entityQuery = $entity_query; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('entity.query') | |
| ); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function form(array $form, FormStateInterface $form_state) { | |
| $form = parent::form($form, $form_state); | |
| $entity = $this->entity; | |
| $form['label'] = array( | |
| '#type' => 'textfield', | |
| '#title' => 'Label', | |
| '#default_value' => $entity->label(), | |
| '#required' => TRUE, | |
| ); | |
| $form['id'] = array( | |
| '#type' => 'machine_name', | |
| '#default_value' => $entity->id(), | |
| '#required' => TRUE, | |
| '#machine_name' => array( | |
| 'exists' => [$this, 'exists'], | |
| 'replace_pattern' => '[^a-z0-9_.]+', | |
| ), | |
| ); | |
| $form['weight'] = array( | |
| '#type' => 'weight', | |
| '#title' => 'Weight', | |
| '#default_value' => $entity->get('weight'), | |
| ); | |
| $form['style'] = array( | |
| '#type' => 'select', | |
| '#title' => 'Image style', | |
| '#options' => array(), | |
| '#default_value' => $entity->get('style'), | |
| '#access' => FALSE, | |
| ); | |
| if ($this->moduleHandler->moduleExists('image')) { | |
| $form['style']['#access'] = TRUE; | |
| $form['style']['#options'] = image_style_options(); | |
| } | |
| // The main premise of entity forms is that we get to work with an entity | |
| // object at all times instead of checking submitted values from the form | |
| // state. | |
| $size = $entity->get('size'); | |
| $form['size_wrapper'] = array( | |
| '#type' => 'container', | |
| '#attributes' => array( | |
| 'id' => 'size-wrapper', | |
| ), | |
| ); | |
| $form['size_wrapper']['size'] = array( | |
| '#type' => 'select', | |
| '#title' => 'Size', | |
| '#options' => array( | |
| 'custom' => 'Custom', | |
| ), | |
| '#empty_option' => '- None -', | |
| '#default_value' => $size, | |
| '#ajax' => array( | |
| 'callback' => '::updateSize', | |
| 'wrapper' => 'size-wrapper', | |
| ), | |
| ); | |
| $form['size_wrapper']['size_submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => t('Change size'), | |
| '#attributes' => array( | |
| 'class' => array('js-hide'), | |
| ), | |
| '#submit' => array(array(get_class($this), 'changeSize')), | |
| ); | |
| $form['size_wrapper']['size_value'] = array( | |
| '#type' => 'select', | |
| '#title' => 'Custom size value', | |
| '#options' => array( | |
| 'small' => 'Small', | |
| 'medium' => 'Medium', | |
| 'large' => 'Large', | |
| ), | |
| '#default_value' => $entity->get('size_value'), | |
| '#access' => !empty($size), | |
| ); | |
| $form['langcode'] = array( | |
| '#type' => 'language_select', | |
| '#title' => t('Language'), | |
| '#languages' => LanguageInterface::STATE_ALL, | |
| '#default_value' => $entity->language()->getId(), | |
| ); | |
| $form['actions'] = array('#type' => 'actions'); | |
| $form['actions']['submit'] = array( | |
| '#type' => 'submit', | |
| '#value' => 'Save', | |
| ); | |
| $form['actions']['delete'] = array( | |
| '#type' => 'submit', | |
| '#value' => 'Delete', | |
| ); | |
| return $form; | |
| } | |
| /** | |
| * Ajax callback for the size selection element. | |
| */ | |
| public static function updateSize(array $form, FormStateInterface $form_state) { | |
| return $form['size_wrapper']; | |
| } | |
| /** | |
| * Element submit handler for non-JS testing. | |
| */ | |
| public static function changeSize(array $form, FormStateInterface $form_state) { | |
| $form_state->setRebuild(); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function save(array $form, FormStateInterface $form_state) { | |
| $entity = $this->entity; | |
| $status = $entity->save(); | |
| if ($status === SAVED_UPDATED) { | |
| drupal_set_message(format_string('%label configuration has been updated.', array('%label' => $entity->label()))); | |
| } | |
| else { | |
| drupal_set_message(format_string('%label configuration has been created.', array('%label' => $entity->label()))); | |
| } | |
| $form_state->setRedirectUrl($this->entity->urlInfo('collection')); | |
| } | |
| /** | |
| * Determines if the entity already exists. | |
| * | |
| * @param string|int $entity_id | |
| * The entity ID. | |
| * @param array $element | |
| * The form element. | |
| * @param \Drupal\Core\Form\FormStateInterface $form_state | |
| * The current state of the form. | |
| * | |
| * @return bool | |
| * TRUE if the entity exists, FALSE otherwise. | |
| */ | |
| public function exists($entity_id, array $element, FormStateInterface $form_state) { | |
| /** @var \Drupal\Core\Config\Entity\ConfigEntityInterface $entity */ | |
| $entity = $form_state->getFormObject()->getEntity(); | |
| return (bool) $this->entityQuery->get($entity->getEntityTypeId()) | |
| ->condition($entity->getEntityType()->getKey('id'), $entity_id) | |
| ->execute(); | |
| } | |
| } |