public static function ImageCropWidget::processCropTypesRequired in Image Widget Crop 8.2

Render API callback: retrieve options for current form element.

Parameters

array $element: An associative array containing the properties and children of the form actions container.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

array $complete_form: The complete form structure.

Return value

array The processed element.

File

src/Plugin/Field/FieldWidget/ImageCropWidget.php, line 265

Class

ImageCropWidget

Plugin implementation of the 'image_widget_crop' widget.

Namespace

Drupal\image_widget_crop\Plugin\Field\FieldWidget

Code

public static function processCropTypesRequired(array &$element, FormStateInterface $form_state, array &$complete_form) {
  if (!$form_state
    ->getTriggeringElement()) {
    return $element;
  }

  // Only display options chosen on 'crop_list',
  // element in current form element.
  $crop_list_form_element = self::getImageCropWidgetElement($form_state, 'crop_list');
  if (empty($crop_list_form_element)) {
    return $element;
  }
  $crop_list_options = $crop_list_form_element['#options'];
  $crop_list_default_value = array_flip($crop_list_form_element['#default_value']);

  // Populate element options with crop_list selected options.
  $element['#options'] = array_intersect_key($crop_list_options, $crop_list_default_value);
  return $element;
}