CertificateEntityForm.php in Certificate 4.x

Namespace

Drupal\certificate\Form

File

src/Form/CertificateEntityForm.php

<?php

namespace Drupal\certificate\Form;

use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;
use function certificate_get_entity_types;

/**
 * Form for certificate template.
 */
class CertificateEntityForm extends ContentEntityForm {
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    $form['name']['widget'][0]['value']['#type'] = 'machine_name';
    $form['name']['widget'][0]['value']['#machine_name'] = [
      'source' => [
        'title',
        'widget',
        '0',
        'value',
      ],
      'exists' => [
        $this,
        'exists',
      ],
    ];

    // Add the token tree UI.
    $form['token_help'] = [
      '#theme' => 'token_tree_link',
      '#token_types' => array_merge([
        'user',
      ], certificate_get_entity_types()),
      '#global_types' => FALSE,
    ];
    return $form;
  }
  function exists($name) {
    $entities = \Drupal::entityTypeManager()
      ->getStorage('certificate_template')
      ->loadByProperties([
      'name' => $name,
    ]);
    return (bool) $entities;
  }
  public function save(array $form, FormStateInterface $form_state) {
    $certificate = $this->entity;
    $insert = $certificate
      ->isNew();
    parent::save($form, $form_state);
    $t_args = [
      ':title' => $certificate
        ->label(),
    ];
    if ($insert) {
      $this
        ->messenger()
        ->addStatus($this
        ->t(':title has been created.', $t_args));

      //$form_state->setRedirect('course.outline', ['course' => $this->entity->id()]);
    }
    else {
      $this
        ->messenger()
        ->addStatus($this
        ->t(':title has been updated.', $t_args));
    }
  }

}

Classes

Name	Description
CertificateEntityForm	Form for certificate template.