function entity_reference_layout_merge_attributes in Entity Reference with Layout 8

Merges $layout_options into an $attributes array.

Returned attributes are passed to a rendered layout, typically with custom classes to be applied although can include other data useful to rendering.

Leverages even dispatcher pattern so other modules can add data to attributes.

1 call to entity_reference_layout_merge_attributes()

theme_entity_reference_layout_widget in ./entity_reference_layout.module

Themes the "ERL" field widget.

File

./entity_reference_layout.module, line 117

Contains entity_reference_layout.module.

Code

function entity_reference_layout_merge_attributes(array $attributes, array $layout_options) {
  if (!empty($layout_options)) {
    if (!empty($layout_options['options']['container_classes'])) {
      $attributes['class'][] = $layout_options['options']['container_classes'];
    }
    if (!empty($layout_options['options']['bg_color'])) {
      $attributes['style'] = [
        'background-color: ' . $layout_options['options']['bg_color'],
      ];
    }
  }
  $event = new ErlMergeAttributesEvent($attributes, $layout_options);
  $event_dispatcher = \Drupal::service('event_dispatcher');
  $event_dispatcher
    ->dispatch(ErlMergeAttributesEvent::EVENT_NAME, $event);
  return $attributes;
}