public static function WebformShareIframe::preRenderWebformShareIframe in Webform 8.5

Same name and namespace in other branches

1. 6.x modules/webform_share/src/Element/WebformShareIframe.php \Drupal\webform_share\Element\WebformShareIframe::preRenderWebformShareIframe()

Webform share iframe element pre render callback.

File

modules/webform_share/src/Element/WebformShareIframe.php, line 50

Class

WebformShareIframe

Provides a render element that createa an iframe to share a webform.

Namespace

Drupal\webform_share\Element

Code

public static function preRenderWebformShareIframe($element) {

  /** @var \Drupal\webform\WebformInterface $webform */
  $webform = $element['#webform'];

  /** @var \Drupal\Core\Entity\EntityInterface $source_entity */
  $source_entity = $element['#source_entity'];

  // Get iframe src route information and attributes.
  if ($element['#javascript']) {

    // Set JavaScript iframe.
    // @see https://github.com/davidjbradshaw/iframe-resizer
    $route_name = 'entity.webform.share_page.javascript';
    $route_parameters = [
      'webform' => $webform
        ->id(),
      'library' => static::LIBRARY,
      'version' => static::VERSION,
    ];
    $attributes = [
      'style' => 'width:1px;min-width:100%',
    ];
  }
  else {

    // Set static iframe.
    $route_name = 'entity.webform.share_page';
    $route_parameters = [
      'webform' => $webform
        ->id(),
    ];
    $attributes = [
      'style' => 'width:100%;height:600px;border:none',
    ];
  }
  $route_options = QueryStringWebformSourceEntity::getRouteOptionsQuery($source_entity);
  $route_options += [
    'query' => [],
  ];

  // Append prepopulate and variant query to route options.
  if ($element['#query']) {
    $route_options['query'] += $element['#query'];
  }

  // Append ?_webform_test={webform} to route options.
  if ($element['#test']) {
    $route_options['query']['_webform_test'] = $webform
      ->id();
  }
  if (empty($route_options['query'])) {
    unset($route_options['query']);
  }

  // Get iframe URL.
  $url = Url::fromRoute($route_name, $route_parameters, $route_options);

  // Get iframe src and title.
  $src = preg_replace('#^https?:#', '', $url
    ->setAbsolute()
    ->toString());
  $title = $webform
    ->label() . ' | ' . \Drupal::config('system.site')
    ->get('name');
  $element += [
    '#attributes' => [],
  ];
  $element['#attributes'] += [
    'src' => $src,
    'title' => $title,
    'class' => [],
    'frameborder' => '0',
    'allow' => 'geolocation; microphone; camera',
    'allowtransparency' => 'true',
    'allowfullscreen' => 'true',
  ] + $attributes;
  return $element;
}