wxt-8.x-3.011/modules/custom/wxt_ext/wxt_ext_webform/wxt_ext_webform.module

<?php

/**
 * @file
 * Contains wxt_ext_webform.module.
 */

use Drupal\webform\Entity\Webform;
use Drupal\webform\Entity\WebformSubmission;
use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_theme().
 */
function wxt_ext_webform_theme($existing, $type, $theme, $path) {
  return [
    'gcweb-inline-webform' => [
      'variables' => [
        'content' => NULL,
      ],
    ],
    'gcweb-find-what-you-looking-for' => [
      'variables' => [
        'content' => NULL,
      ],
    ],
  ];
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function wxt_ext_webform_theme_suggestions_form_element_alter(array &$suggestions, array $variables) {
  if (!empty($variables['element']['#webform']) && !empty($variables['element']['#webform_key'])) {
    $webform = $variables['element']['#webform'];
    $field_name = $variables['element']['#webform_key'];
    $suggestions[] = 'form_element__' . $webform . '__' . $field_name;
  }
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function wxt_ext_webform_theme_suggestions_container_alter(array &$suggestions, array $variables) {
  if (!empty($variables['element']['#webform_id']) && $variables['element']['#webform_id'] == 'gcweb_did_you_find--actions_02') {
    $suggestions[] = 'container__gcweb_did_you_find_actions';
  }
}

/**
 * Implements hook_ENTITY_TYPE_presave().
 */
function wxt_ext_webform_webform_submission_presave(WebformSubmission $submission) {
  $did_you_find_answer = $submission->getElementData('did_you_find_answer');

  if (empty($did_you_find_answer)) {
    // Since "No" button is really the next button for the wizard
    // setting field value to "No" on presave.
    $submission->setElementData('did_you_find_answer', 'No');
  }
}

/**
 * Implements hook_webform_submission_form_alter().
 */
function wxt_ext_webform_webform_submission_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
  if (strpos($form_id, 'webform_submission_gcweb_did_you_find') !== FALSE) {
    if ($form_state->get('current_page') == 'initial_page') {
      // Add class to No button for spacing.
      $form['actions']['wizard_next']['#attributes']['class'][] = 'mrgn-lft-sm';

      // Add submit button on first page of wizard.
      $form['actions']['submit_first_page'] = [
        '#type' => 'submit',
        '#value' => t('Yes'),
        '#ajax' => [
          'callback' => '_gcweb_did_you_find_form_ajax_submit',
          'wrapper' => $form['#form_wrapper_id'],
          'method' => 'replace',
          'effect' => 'fade',
        ],
        '#attributes' => [
          'class' => ['btn btn-primary'],
        ],
      ];
    }
  }
}

/**
 * AJAX callback function for Yes button on gcweb_did_you_find webform.
 */
function _gcweb_did_you_find_form_ajax_submit($form, $form_state) {
  // Programmatically submit webform and mark answer as "Yes".
  $webform_id = 'gcweb_did_you_find';
  $webform = Webform::load($webform_id);

  $values = [
    'webform_id' => $webform->id(),
    'data' => [
      'did_you_find_answer' => 'Yes',
    ],
  ];

  $webform_submission = WebformSubmission::create($values);
  $webform_submission->save();

  // Build confirmation message.
  $confirmation = [
    '#type' => 'markup',
    '#markup' => '<div class="webform-confirmation">
                    <div class="webform-confirmation__message">
                      <div class="gc-pg-hlpfl-thnk">
                        <p class="h3 mrgn-tp-sm mrgn-bttm-sm"><span class="far fa-check-circle text-success mrgn-rght-sm" aria-hidden="true"></span> ' . t("Thank you for your feedback") . '</p>
                      </div>
                    </div>
                  </div>',
  ];

  return $confirmation;
}