public static function ImageButton::preRenderButton in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Render/Element/ImageButton.php \Drupal\Core\Render\Element\ImageButton::preRenderButton()

Prepares a #type 'button' render element for input.html.twig.

Parameters

array $element: An associative array containing the properties of the element. Properties used: #attributes, #button_type, #name, #value. The #button_type property accepts any value, though core themes have CSS that styles the following button_types appropriately: 'primary', 'danger'.

Return value

array The $element with prepared variables ready for input.html.twig.

Overrides Button::preRenderButton

File

core/lib/Drupal/Core/Render/Element/ImageButton.php, line 69

Class

ImageButton

Provides a form element for a submit button with an image.

Namespace

Drupal\Core\Render\Element

Code

public static function preRenderButton($element) {
  $element['#attributes']['type'] = 'image';
  Element::setAttributes($element, [
    'id',
    'name',
    'value',
  ]);
  $element['#attributes']['src'] = file_url_transform_relative(file_create_url($element['#src']));
  if (!empty($element['#title'])) {
    $element['#attributes']['alt'] = $element['#title'];
    $element['#attributes']['title'] = $element['#title'];
  }
  $element['#attributes']['class'][] = 'image-button';
  if (!empty($element['#button_type'])) {
    $element['#attributes']['class'][] = 'image-button--' . $element['#button_type'];
  }
  $element['#attributes']['class'][] = 'js-form-submit';
  $element['#attributes']['class'][] = 'form-submit';
  if (!empty($element['#attributes']['disabled'])) {
    $element['#attributes']['class'][] = 'is-disabled';
  }
  return $element;
}