public function OptionsBase::prepare in Webform 8.5

Same name and namespace in other branches

1. 6.x src/Plugin/WebformElement/OptionsBase.php \Drupal\webform\Plugin\WebformElement\OptionsBase::prepare()

Prepare an element to be rendered within a webform.

Parameters

array $element: An element.

\Drupal\webform\WebformSubmissionInterface $webform_submission: A webform submission. Webform submission is optional since it is not used by composite sub elements.

Overrides WebformElementBase::prepare

See also

\Drupal\webform\Element\WebformCompositeBase::processWebformComposite

2 calls to OptionsBase::prepare()

Checkboxes::prepare in src/Plugin/WebformElement/Checkboxes.php

Prepare an element to be rendered within a webform.

Select::prepare in src/Plugin/WebformElement/Select.php

Prepare an element to be rendered within a webform.

2 methods override OptionsBase::prepare()

Checkboxes::prepare in src/Plugin/WebformElement/Checkboxes.php

Prepare an element to be rendered within a webform.

Select::prepare in src/Plugin/WebformElement/Select.php

Prepare an element to be rendered within a webform.

File

src/Plugin/WebformElement/OptionsBase.php, line 157

Class

OptionsBase

Provides a base 'options' element.

Namespace

Drupal\webform\Plugin\WebformElement

Code

public function prepare(array &$element, WebformSubmissionInterface $webform_submission = NULL) {
  $is_wrapper_fieldset = in_array($element['#type'], [
    'checkboxes',
    'radios',
    'webform_entity_checkboxes',
    'webform_entity_radios',
    'webform_term_checkboxes',
    'webform_toggles',
    'webform_buttons',
  ]);
  if ($is_wrapper_fieldset) {

    // Issue #2396145: Option #description_display for webform element fieldset
    // is not changing anything.
    // @see core/modules/system/templates/fieldset.html.twig
    $is_description_display = isset($element['#description_display']) ? TRUE : FALSE;
    $has_description = !empty($element['#description']) ? TRUE : FALSE;
    if ($is_description_display && $has_description) {
      $description = WebformElementHelper::convertToString($element['#description']);
      switch ($element['#description_display']) {
        case 'before':
          $element += [
            '#field_prefix' => '',
          ];
          $element['#field_prefix'] = '<div class="description">' . $description . '</div>' . $element['#field_prefix'];
          unset($element['#description']);
          unset($element['#description_display']);
          break;
        case 'tooltip':
          $element += [
            '#field_suffix' => '',
          ];
          $element['#field_suffix'] .= '<div class="description visually-hidden">' . $description . '</div>';

          // @see \Drupal\Core\Render\Element\CompositeFormElementTrait
          // @see \Drupal\webform\Plugin\WebformElementBase::prepare
          $element['#attributes']['class'][] = 'js-webform-tooltip-element';
          $element['#attributes']['class'][] = 'webform-tooltip-element';
          $element['#attached']['library'][] = 'webform/webform.tooltip';
          unset($element['#description']);
          unset($element['#description_display']);
          break;
        case 'invisible':
          $element += [
            '#field_suffix' => '',
          ];
          $element['#field_suffix'] .= '<div class="description visually-hidden">' . $description . '</div>';
          unset($element['#description']);
          unset($element['#description_display']);
          break;
      }
    }
  }
  parent::prepare($element, $webform_submission);

  // Randomize options.
  if (isset($element['#options']) && !empty($element['#options_randomize'])) {
    $element['#options'] = WebformElementHelper::randomize($element['#options']);
  }

  // Options description display must be set to trigger the description display.
  if ($this
    ->hasProperty('options_description_display') && empty($element['#options_description_display'])) {
    $element['#options_description_display'] = $this
      ->getDefaultProperty('options_description_display');
  }

  // Options display must be set to trigger the options display.
  if ($this
    ->hasProperty('options_display') && empty($element['#options_display'])) {
    $element['#options_display'] = $this
      ->getDefaultProperty('options_display');
  }

  // Make sure submitted value is not lost if the element's #options were
  // altered after the submission was completed.
  // This only applies to the main webforom element with a #webform_key
  // and not a webform composite's sub elements.
  $is_completed = $webform_submission && $webform_submission
    ->isCompleted();
  $has_default_value = isset($element['#default_value']) && $element['#default_value'] !== '' && $element['#default_value'] !== NULL;
  if ($is_completed && $has_default_value && !$this
    ->isOptionsOther() && isset($element['#webform_key'])) {
    if ($element['#default_value'] === $webform_submission
      ->getElementData($element['#webform_key'])) {
      $options = OptGroup::flattenOptions($element['#options']);
      $default_values = (array) $element['#default_value'];
      foreach ($default_values as $default_value) {
        if (!isset($options[$default_value])) {
          $element['#options'][$default_value] = $default_value;
        }
      }
    }
  }

  // If the element is #required and the #default_value is an empty string
  // we need to unset the #default_value to prevent the below error.
  // 'An illegal choice has been detected'.
  if (!empty($element['#required']) && isset($element['#default_value']) && $element['#default_value'] === '') {
    unset($element['#default_value']);
  }

  // Process custom options properties.
  if ($this
    ->hasProperty('options__properties')) {
    $this
      ->setElementDefaultCallback($element, 'process');
    $element['#process'][] = [
      get_class($this),
      'processOptionsProperties',
    ];
  }
}