function webform_bootstrap_preprocess_input in Webform 6.x

Same name and namespace in other branches

1. 8.5 modules/webform_bootstrap/webform_bootstrap.module \webform_bootstrap_preprocess_input()

Implements template_preprocess_input().

File

modules/webform_bootstrap/webform_bootstrap.module, line 114

Helps support Webform to Bootstrap integration.

Code

function webform_bootstrap_preprocess_input(&$variables) {
  if (!_webform_bootstrap_is_active_theme()) {
    return;
  }
  $element =& $variables['element'];

  // Bootstrap theme does not support image buttons so we are going to use
  // Bootstrap's icon buttons.
  // @see themes/bootstrap/templates/input/input--button.html.twig
  // @see \Drupal\webform\Element\WebformElementStates::buildOperations
  // @see \Drupal\webform\Element\WebformMultiple::buildElementRow
  if (isset($element['#type']) && $element['#type'] === 'image_button' && strpos($variables['attributes']['src'], '/webform/images/icons/') !== FALSE) {
    $element['#icon_only'] = TRUE;
    if (strpos($variables['attributes']['src'], '/webform/images/icons/plus.svg') !== FALSE) {
      $element['#title'] = t('Add');
      $element['#icon'] = \Drupal\bootstrap\Bootstrap::glyphicon('plus-sign');
    }
    elseif (strpos($variables['attributes']['src'], '/webform/images/icons/minus.svg') !== FALSE) {
      $element['#title'] = t('Remove');
      $element['#icon'] = \Drupal\bootstrap\Bootstrap::glyphicon('minus-sign');
    }
  }
}