public static function WebformScale::processRadios in Webform 6.x

Same name and namespace in other branches

1. 8.5 src/Element/WebformScale.php \Drupal\webform\Element\WebformScale::processRadios()

Expands a radios element into individual radio elements.

Overrides Radios::processRadios

File

src/Element/WebformScale.php, line 34

Class

WebformScale

Provides a webform element for a scale (1-5).

Namespace

Drupal\webform\Element

Code

public static function processRadios(&$element, FormStateInterface $form_state, &$complete_form) {

  // Add text.
  $scale_text = [];
  if ($element['#min_text'] || $element['#max_text']) {
    $classes = [
      'webform-scale-text',
      'webform-scale-text-' . $element['#scale_text'],
    ];
    $scale_text = [
      '#prefix' => '<div class="' . implode(' ', $classes) . '">',
      '#suffix' => '</div>',
    ];
    if ($element['#min_text']) {
      $scale_text['min'] = [
        '#markup' => $element['#min_text'],
        '#prefix' => '<div class="webform-scale-text-min">',
        '#suffix' => '</div>',
      ];
    }
    if ($element['#max_text']) {
      $scale_text['max'] = [
        '#prefix' => '<div class="webform-scale-text-max">',
        '#suffix' => '</div>',
        '#markup' => $element['#max_text'],
      ];
    }
  }

  // Scale.
  $classes = [
    'webform-scale',
    'webform-scale-' . $element['#scale_type'],
    'webform-scale-' . $element['#scale_size'],
    'webform-scale-' . $element['#min'] . '-to-' . $element['#max'],
  ];
  $element['scale'] = [
    '#prefix' => '<div class="' . implode(' ', $classes) . '">',
    '#suffix' => '</div>',
  ];

  // Text above.
  if ($scale_text && $element['#scale_text'] === 'above') {
    $element['scale']['text'] = $scale_text;
  }

  // Options.
  $element['scale']['options'] = [
    '#prefix' => '<div class="webform-scale-options">',
    '#suffix' => '</div>',
  ];
  $ratings = range($element['#min'], $element['#max']);
  $element['#options'] = array_combine($ratings, $ratings);
  foreach ($element['#options'] as $key => $choice) {
    $parents_for_id = array_merge($element['#parents'], [
      $key,
    ]);
    $element['scale']['options'] += [
      $key => [],
    ];
    $element['scale']['options'][$key] += [
      '#type' => 'radio',
      '#title' => $choice,
      '#return_value' => $key,
      '#default_value' => isset($element['#default_value']) ? $element['#default_value'] : FALSE,
      '#attributes' => $element['#attributes'],
      '#parents' => $element['#parents'],
      '#id' => HtmlUtility::getUniqueId('edit-' . implode('-', $parents_for_id)),
      '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
      '#error_no_message' => TRUE,
      '#prefix' => '<div class="webform-scale-option">',
      '#suffix' => '</div>',
    ];

    // Add .webform-scale-N class to the radio.
    $element['scale']['options'][$key]['#attributes']['class'][] = 'webform-scale-' . $key;

    // Add .visually-hidden class to the radio.
    $element['scale']['options'][$key]['#attributes']['class'][] = 'visually-hidden';
  }

  // Text below.
  if ($scale_text && $element['#scale_text'] === 'below') {
    $element['scale']['text'] = $scale_text;
  }

  // Add scale library.
  $element['#attached']['library'][] = 'webform/webform.element.scale';
  return $element;
}