Prepares variables for textarea templates.

Default template: textarea.html.twig.

Parameters

array $variables: An associative array containing:

• element: An associative array containing the properties of the element. Properties used: #title, #value, #description, #rows, #cols, #maxlength, #placeholder, #required, #attributes, #resizable.

File

core/lib/Drupal/Core/Form/FormPreprocess.php, line 236

Class

FormPreprocess

Initial preprocess callbacks for the form system.

Namespace

Drupal\Core\Form

Code

public function preprocessTextarea(array &$variables) : void {
  $element = $variables['element'];
  $attributes = [
    'id',
    'name',
    'rows',
    'cols',
    'maxlength',
    'placeholder',
  ];
  Element::setAttributes($element, $attributes);
  RenderElementBase::setAttributes($element, [
    'form-textarea',
  ]);
  $variables['wrapper_attributes'] = new Attribute();
  $variables['attributes'] = new Attribute($element['#attributes']);
  $variables['value'] = $element['#value'];
  $resizable = !empty($element['#resizable']) ? $element['#resizable'] : NULL;
  $variables['resizable'] = $resizable;
  if ($resizable) {
    $variables['attributes']->addClass('resize-' . $resizable);
  }
  $variables['required'] = !empty($element['#required']) ? $element['#required'] : NULL;
}

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