EntityDisplayModeFormBase.php in Drupal 9
File
core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php
View source
<?php
namespace Drupal\field_ui\Form;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Form\FormStateInterface;
abstract class EntityDisplayModeFormBase extends EntityForm {
protected $entityType;
protected function init(FormStateInterface $form_state) {
parent::init($form_state);
$this->entityType = $this->entityTypeManager
->getDefinition($this->entity
->getEntityTypeId());
}
public function form(array $form, FormStateInterface $form_state) {
$form['label'] = [
'#type' => 'textfield',
'#title' => $this
->t('Name'),
'#maxlength' => 100,
'#default_value' => $this->entity
->label(),
];
$form['id'] = [
'#type' => 'machine_name',
'#description' => $this
->t('A unique machine-readable name. Can only contain lowercase letters, numbers, and underscores.'),
'#disabled' => !$this->entity
->isNew(),
'#default_value' => $this->entity
->id(),
'#field_prefix' => $this->entity
->isNew() ? $this->entity
->getTargetType() . '.' : '',
'#machine_name' => [
'exists' => [
$this,
'exists',
],
'replace_pattern' => '[^a-z0-9_.]+',
],
];
return $form;
}
public function exists($entity_id, array $element) {
if ($entity_id == 'default') {
return TRUE;
}
return (bool) $this->entityTypeManager
->getStorage($this->entity
->getEntityTypeId())
->getQuery()
->condition('id', $element['#field_prefix'] . $entity_id)
->execute();
}
public function save(array $form, FormStateInterface $form_state) {
$this
->messenger()
->addStatus($this
->t('Saved the %label @entity-type.', [
'%label' => $this->entity
->label(),
'@entity-type' => $this->entityType
->getSingularLabel(),
]));
$this->entity
->save();
\Drupal::service('entity_field.manager')
->clearCachedFieldDefinitions();
$form_state
->setRedirectUrl($this->entity
->toUrl('collection'));
}
}