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<?php
namespace Drupal\taxonomy;
use Drupal\Core\Entity\BundleEntityFormBase;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Language\LanguageInterface;
use Drupal\language\Entity\ContentLanguageSettings;
use Symfony\Component\DependencyInjection\ContainerInterface;
/**
* Base form for vocabulary edit forms.
*
* @internal
*/
class VocabularyForm extends BundleEntityFormBase {
/**
* The vocabulary storage.
*
* @var \Drupal\taxonomy\VocabularyStorageInterface
*/
protected $vocabularyStorage;
/**
* Constructs a new vocabulary form.
*
* @param \Drupal\taxonomy\VocabularyStorageInterface $vocabulary_storage
* The vocabulary storage.
*/
public function __construct(VocabularyStorageInterface $vocabulary_storage) {
$this->vocabularyStorage = $vocabulary_storage;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static(
$container->get('entity_type.manager')->getStorage('taxonomy_vocabulary')
);
}
/**
* {@inheritdoc}
*/
public function buildEntity(array $form, FormStateInterface $form_state) {
/** @var \Drupal\taxonomy\VocabularyInterface $entity */
$entity = parent::buildEntity($form, $form_state);
// The description cannot be an empty string.
if (trim($form_state->getValue('description')) === '') {
$entity->set('description', NULL);
}
return $entity;
}
/**
* {@inheritdoc}
*/
public function form(array $form, FormStateInterface $form_state) {
$vocabulary = $this->entity;
if ($vocabulary->isNew()) {
$form['#title'] = $this->t('Add vocabulary');
}
else {
$form['#title'] = $this->t('Edit vocabulary');
}
$form['name'] = [
'#type' => 'textfield',
'#title' => $this->t('Name'),
'#default_value' => $vocabulary->label(),
'#maxlength' => 255,
'#required' => TRUE,
];
$form['vid'] = [
'#type' => 'machine_name',
'#default_value' => $vocabulary->id(),
'#maxlength' => EntityTypeInterface::BUNDLE_MAX_LENGTH,
'#machine_name' => [
'exists' => [$this, 'exists'],
'source' => ['name'],
],
];
$form['description'] = [
'#type' => 'textfield',
'#title' => $this->t('Description'),
'#default_value' => $vocabulary->getDescription(),
];
$form['revision'] = [
'#type' => 'checkbox',
'#title' => $this->t('Create new revision'),
'#default_value' => $vocabulary->shouldCreateNewRevision(),
'#description' => $this->t('Create a new revision by default for this vocabulary.'),
];
// $form['langcode'] is not wrapped in an
// if ($this->moduleHandler->moduleExists('language')) check because the
// language_select form element works also without the language module being
// installed. https://www.drupal.org/node/1749954 documents the new element.
$form['langcode'] = [
'#type' => 'language_select',
'#title' => $this->t('Vocabulary language'),
'#languages' => LanguageInterface::STATE_ALL,
'#default_value' => $vocabulary->language()->getId(),
];
if ($this->moduleHandler->moduleExists('language')) {
$form['default_terms_language'] = [
'#type' => 'details',
'#title' => $this->t('Term language'),
'#open' => TRUE,
];
$form['default_terms_language']['default_language'] = [
'#type' => 'language_configuration',
'#entity_information' => [
'entity_type' => 'taxonomy_term',
'bundle' => $vocabulary->id(),
],
'#default_value' => ContentLanguageSettings::loadByEntityTypeBundle('taxonomy_term', $vocabulary->id()),
];
}
// Set the hierarchy to "multiple parents" by default. This simplifies the
// vocabulary form and standardizes the term form.
$form['hierarchy'] = [
'#type' => 'value',
'#value' => '0',
];
$form = parent::form($form, $form_state);
return $this->protectBundleIdElement($form);
}
/**
* {@inheritdoc}
*/
public function save(array $form, FormStateInterface $form_state) {
$vocabulary = $this->entity;
$vocabulary->setNewRevision($form_state->getValue(['revision']));
// Prevent leading and trailing spaces in vocabulary names.
$vocabulary->set('name', trim($vocabulary->label()));
$status = $vocabulary->save();
$edit_link = $this->entity->toLink($this->t('Edit'), 'edit-form')->toString();
switch ($status) {
case SAVED_NEW:
$this->messenger()->addStatus($this->t('Created new vocabulary %name.', ['%name' => $vocabulary->label()]));
$this->logger('taxonomy')->notice('Created new vocabulary %name.', ['%name' => $vocabulary->label(), 'link' => $edit_link]);
$form_state->setRedirectUrl($vocabulary->toUrl('overview-form'));
break;
case SAVED_UPDATED:
$this->messenger()->addStatus($this->t('Updated vocabulary %name.', ['%name' => $vocabulary->label()]));
$this->logger('taxonomy')->notice('Updated vocabulary %name.', ['%name' => $vocabulary->label(), 'link' => $edit_link]);
$form_state->setRedirectUrl($vocabulary->toUrl('collection'));
break;
}
$form_state->setValue('vid', $vocabulary->id());
$form_state->set('vid', $vocabulary->id());
}
/**
* Determines if the vocabulary already exists.
*
* @param string $vid
* The vocabulary ID.
*
* @return bool
* TRUE if the vocabulary exists, FALSE otherwise.
*/
public function exists($vid) {
$action = $this->vocabularyStorage->load($vid);
return !empty($action);
}
}
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