class TestAttributeFilter

A filter that adds a test attribute to any configured HTML tags.

Plugin annotation

@Filter(
  id = "test_attribute_filter",
  title = @Translation("Test Attribute Filter"),
  type = Drupal\filter\Plugin\FilterInterface::TYPE_TRANSFORM_REVERSIBLE,
  settings = {
    "tags" = {},
  },
  weight = -10
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
    • class \Drupal\filter\Plugin\FilterBase extends \Drupal\Core\Plugin\PluginBase implements \Drupal\filter\Plugin\FilterInterface
      • class \Drupal\ckeditor_test\Plugin\Filter\TestAttributeFilter extends \Drupal\filter\Plugin\FilterBase

Expanded class hierarchy of TestAttributeFilter

File

core/modules/ckeditor/tests/modules/src/Plugin/Filter/TestAttributeFilter.php, line 22

Namespace

class TestAttributeFilter extends FilterBase {
    
    /**
     * {@inheritdoc}
     */
    public function process($text, $langcode) {
        $document = Html::load($text);
        foreach ($this->settings['tags'] as $tag) {
            $tag_elements = $document->getElementsByTagName($tag);
            foreach ($tag_elements as $tag_element) {
                $tag_element->setAttribute('test_attribute', 'test attribute value');
            }
        }
        return new FilterProcessResult(Html::serialize($document));
    }

}

Members