FlagListItemForm.php in Flag Lists 8        
                          
                  
                        
  
  
  
  
File
  src/Form/FlagListItemForm.php
  
    View source  
  <?php
namespace Drupal\flag_lists\Form;
use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;
class FlagListItemForm extends ContentEntityForm {
  
  public function buildForm(array $form, FormStateInterface $form_state) {
    
    $form = parent::buildForm($form, $form_state);
    return $form;
  }
  
  public function save(array $form, FormStateInterface $form_state) {
    $entity =& $this->entity;
    $status = parent::save($form, $form_state);
    switch ($status) {
      case SAVED_NEW:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Created the %label Flagging collection.', [
          '%label' => $entity
            ->label(),
        ]));
        break;
      default:
        $this
          ->messenger()
          ->addMessage($this
          ->t('Saved the %label Flagging collection.', [
          '%label' => $entity
            ->label(),
        ]));
    }
    $form_state
      ->setRedirect('entity.flagging_collection.canonical', [
      'flagging_collection' => $entity
        ->id(),
    ]);
  }
  
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
  }
}