class EmbedCode in Lightning Media 8.3

An Entity Browser widget for creating media entities from embed codes.

Plugin annotation

@EntityBrowserWidget(
  id = "embed_code",
  label = @Translation("Embed Code"),
  description = @Translation("Allows creation of media entities from embed codes."),
)

Hierarchy

• class \Drupal\lightning_media\Plugin\EntityBrowser\Widget\EntityFormProxy extends \Drupal\entity_browser\WidgetBase
  • class \Drupal\lightning_media\Plugin\EntityBrowser\Widget\EmbedCode

File

src/Plugin/EntityBrowser/Widget/EmbedCode.php, line 16

Namespace

Drupal\lightning_media\Plugin\EntityBrowser\Widget

class EmbedCode extends EntityFormProxy {

  /**
   * {@inheritdoc}
   */
  public function getForm(array &$original_form, FormStateInterface $form_state, array $additional_widget_parameters) {
    $form = parent::getForm($original_form, $form_state, $additional_widget_parameters);
    $form['input'] = [
      '#type' => 'textarea',
      '#placeholder' => $this
        ->t('Enter a URL...'),
      '#attributes' => [
        'class' => [
          'keyup-change',
        ],
      ],
      '#ajax' => [
        'event' => 'change',
        'wrapper' => 'entity-form',
        'method' => 'html',
        'callback' => [
          static::class,
          'ajax',
        ],
      ],
      // I don't know why, but this is needed to display error messages.
      '#limit_validation_errors' => [
        [
          'input',
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function getCurrentValue(FormStateInterface $form_state) {
    $value = parent::getCurrentValue($form_state);
    return trim($value);
  }

  /**
   * {@inheritdoc}
   */
  public function validate(array &$form, FormStateInterface $form_state) {
    $value = $this
      ->getCurrentValue($form_state);
    if ($value) {
      parent::validate($form, $form_state);
    }
    elseif ($form_state
      ->isSubmitted()) {
      $form_state
        ->setError($form['widget']['input'], $this
        ->t('You must enter a URL or embed code.'));
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EmbedCode::getCurrentValue	protected	function	Returns the current input value, if any. Overrides EntityFormProxy::getCurrentValue
EmbedCode::getForm	public	function	Overrides EntityFormProxy::getForm
EmbedCode::validate	public	function	Overrides EntityFormProxy::validate
EntityFormProxy::access	public	function
EntityFormProxy::ajax	public static	function	AJAX callback. Returns the rebuilt inline entity form.
EntityFormProxy::createMedia	protected	function	Creates a new, unsaved media entity from a source field value.
EntityFormProxy::defaultConfiguration	public	function		1
EntityFormProxy::getAllowedTypes	protected	function	Returns the media types which can be used by this widget.
EntityFormProxy::getCurrentEntity	protected	function	Returns a media entity created from the current input, if possible.
EntityFormProxy::getCurrentTypes	protected	function	Returns all media types that can apply to the current input.
EntityFormProxy::getTypesByValue	protected	function	Returns media types which can accept a given value in their source field.
EntityFormProxy::isAllowedType	protected	function	Tests if a media type can be used by this widget.	1
EntityFormProxy::prepareEntities	protected	function		1
EntityFormProxy::submit	public	function		1
EntityFormProxy::update	public static	function	Submit callback for the Update button.