/**
* Returns the widget that is currently selected.
*
* @param \Drupal\Core\Form\FormStateInterface $form_state
* The current state of the form.
*
* @return string
* ID of currently selected widget.
*/
protected function getCurrentWidget(FormStateInterface $form_state)
{
// Do not use has() as that returns TRUE if the value is NULL.
if (!$form_state->get('entity_browser_current_widget')) {
$form_state->set('entity_browser_current_widget', $this->entity_browser->getFirstWidget());
}
return $form_state->get('entity_browser_current_widget');
}
/**
* {@inheritdoc}
*/
public function getPlugin(EntityBrowserInterface $entity_browser)
{
return $entity_browser->getDisplay();
}
/**
* Registers JS callback that gets entities from entity browser and updates
* form values accordingly.
*/
public function registerJSCallback(RegisterJSCallbacks $event)
{
if ($event->getBrowserID() == $this->entityBrowser->id()) {
$event->registerCallback('Drupal.entityEmbedDialog.selectionCompleted');
}
}
/**
* {@inheritdoc}
*/
public function getPlugin(EntityBrowserInterface $entity_browser)
{
return $entity_browser->getWidgetSelector();
}