cloudinary-8.x-1.x-dev/modules/cloudinary_media_library_widget/src/Form/CloudinaryElementExampleForm.php

<?php

namespace Drupal\cloudinary_media_library_widget\Form;

use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\Core\Render\Markup;

/**
 * Build an example form to show how to use cloudinary form element.
 */
class CloudinaryElementExampleForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'cloudinary_form_example';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['image'] = [
      '#type' => 'cloudinary_media_library',
      '#resource_type' => 'image',
      '#title' => $this->t('Image'),
      '#description' => $this->t('Choose an image from cloudinary media library.'),
    ];

    $form['video'] = [
      '#type' => 'cloudinary_media_library',
      '#resource_type' => 'video',
      '#title' => $this->t('Video'),
      '#description' => $this->t('Choose a video from cloudinary media library.'),
    ];

    $form['document'] = [
      '#type' => 'cloudinary_media_library',
      '#resource_type' => 'raw',
      '#title' => $this->t('Document'),
      '#description' => $this->t('Choose a document from cloudinary media library.'),
    ];

    $form['assets'] = [
      '#type' => 'cloudinary_media_library',
      '#title' => $this->t('Asset (extended version)'),
      '#extended' => TRUE,
      '#description' => $this->t('Choose any asset from cloudinary media library.'),
    ];

    $form['assets_with_preview'] = [
      '#type' => 'cloudinary_media_library',
      '#title' => $this->t('Asset with Preview'),
      '#preview' => TRUE,
      '#description' => $this->t('Choose any asset from cloudinary media library.'),
    ];

    $form['multiple_assets_with_preview'] = [
      '#type' => 'cloudinary_media_library',
      '#title' => $this->t('Multiple Assets with Preview (extended version)'),
      '#preview' => TRUE,
      '#extended' => TRUE,
      '#multiple' => TRUE,
      '#cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
      '#description' => $this->t('Choose any asset from cloudinary media library.'),
    ];

    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this->t('Save and debug'),
      '#button_type' => 'primary',
    ];

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    foreach (Element::children($form) as $child) {
      if (isset($form[$child]['#type']) && $form[$child]['#type'] === 'cloudinary_media_library') {
        if ($value = $form_state->getValue($child)) {
          if (isset($value['value'])) {
            if (!$value['value']) {
              continue;
            }
            elseif ($form[$child]['#multiple']) {
              unset($value['value']);
            }
          }

          $this->messenger()->addStatus($this->t('Raw value of @label: @value', [
            '@label' => $form[$child]['#title'],
            '@value' => is_array($value) ? Markup::create('<pre>' . print_r($value, 1) . '</pre>') : $value,
          ]));
        }
      }
    }
  }

}