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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\system\Form\DateFormatFormBase. | |
| */ | |
| namespace Drupal\system\Form; | |
| use Drupal\Core\Config\Entity\ConfigEntityStorageInterface; | |
| use Drupal\Core\Datetime\DateFormatterInterface; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Language\LanguageInterface; | |
| use Symfony\Component\DependencyInjection\ContainerInterface; | |
| use Drupal\Core\Datetime\DrupalDateTime; | |
| use Drupal\Core\Entity\EntityForm; | |
| /** | |
| * Provides a base form for date formats. | |
| */ | |
| abstract class DateFormatFormBase extends EntityForm { | |
| /** | |
| * The date formatter service. | |
| * | |
| * @var \Drupal\Core\Datetime\DateFormatterInterface | |
| */ | |
| protected $dateFormatter; | |
| /** | |
| * The date format storage. | |
| * | |
| * @var \Drupal\Core\Config\Entity\ConfigEntityStorageInterface | |
| */ | |
| protected $dateFormatStorage; | |
| /** | |
| * Constructs a new date format form. | |
| * | |
| * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter | |
| * The date service. | |
| * @param \Drupal\Core\Config\Entity\ConfigEntityStorageInterface $date_format_storage | |
| * The date format storage. | |
| */ | |
| public function __construct(DateFormatterInterface $date_formatter, ConfigEntityStorageInterface $date_format_storage) { | |
| $date = new DrupalDateTime(); | |
| $this->dateFormatter = $date_formatter; | |
| $this->dateFormatStorage = $date_format_storage; | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function create(ContainerInterface $container) { | |
| return new static( | |
| $container->get('date.formatter'), | |
| $container->get('entity.manager')->getStorage('date_format') | |
| ); | |
| } | |
| /** | |
| * Checks for an existing date format. | |
| * | |
| * @param string|int $entity_id | |
| * The entity ID. | |
| * @param array $element | |
| * The form element. | |
| * | |
| * @return bool | |
| * TRUE if this format already exists, FALSE otherwise. | |
| */ | |
| public function exists($entity_id, array $element) { | |
| return (bool) $this->dateFormatStorage | |
| ->getQuery() | |
| ->condition('id', $element['#field_prefix'] . $entity_id) | |
| ->execute(); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function form(array $form, FormStateInterface $form_state) { | |
| $form['label'] = array( | |
| '#type' => 'textfield', | |
| '#title' => 'Name', | |
| '#maxlength' => 100, | |
| '#description' => t('Name of the date format'), | |
| '#default_value' => $this->entity->label(), | |
| ); | |
| $form['id'] = array( | |
| '#type' => 'machine_name', | |
| '#description' => t('A unique machine-readable name. Can only contain lowercase letters, numbers, and underscores.'), | |
| '#disabled' => !$this->entity->isNew(), | |
| '#default_value' => $this->entity->id(), | |
| '#machine_name' => array( | |
| 'exists' => array($this, 'exists'), | |
| 'replace_pattern' =>'([^a-z0-9_]+)|(^custom$)', | |
| 'error' => $this->t('The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".'), | |
| ), | |
| ); | |
| $form['date_format_pattern'] = array( | |
| '#type' => 'textfield', | |
| '#title' => t('Format string'), | |
| '#maxlength' => 100, | |
| '#description' => $this->t('A user-defined date format. See the <a href=":url">PHP manual</a> for available options.', array(':url' => 'http://php.net/manual/function.date.php')), | |
| '#required' => TRUE, | |
| '#attributes' => [ | |
| 'data-drupal-date-formatter' => 'source', | |
| ], | |
| '#field_suffix' => ' <small class="js-hide" data-drupal-date-formatter="preview">' . $this->t('Displayed as %date_format', ['%date_format' => '']) . '</small>', | |
| ); | |
| $form['langcode'] = array( | |
| '#type' => 'language_select', | |
| '#title' => t('Language'), | |
| '#languages' => LanguageInterface::STATE_ALL, | |
| '#default_value' => $this->entity->language()->getId(), | |
| ); | |
| $form['#attached']['drupalSettings']['dateFormats'] = $this->dateFormatter->getSampleDateFormats(); | |
| $form['#attached']['library'][] = 'system/drupal.system.date'; | |
| return parent::form($form, $form_state); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function validateForm(array &$form, FormStateInterface $form_state) { | |
| parent::validateForm($form, $form_state); | |
| // The machine name field should already check to see if the requested | |
| // machine name is available. | |
| $pattern = trim($form_state->getValue('date_format_pattern')); | |
| foreach ($this->dateFormatStorage->loadMultiple() as $format) { | |
| if ($format->getPattern() == $pattern && ($format->id() == $this->entity->id())) { | |
| drupal_set_message(t('The existing format/name combination has not been altered.')); | |
| continue; | |
| } | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function submitForm(array &$form, FormStateInterface $form_state) { | |
| $form_state->setValue('pattern', trim($form_state->getValue('date_format_pattern'))); | |
| parent::submitForm($form, $form_state); | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function save(array $form, FormStateInterface $form_state) { | |
| $status = $this->entity->save(); | |
| if ($status == SAVED_UPDATED) { | |
| drupal_set_message(t('Custom date format updated.')); | |
| } | |
| else { | |
| drupal_set_message(t('Custom date format added.')); | |
| } | |
| $form_state->setRedirectUrl($this->entity->urlInfo('collection')); | |
| } | |
| } |