/**
* Creates a new display and a display handler instance for it.
*
* @param string $plugin_id
* (optional) The plugin type from the Views plugin annotation. Defaults to
* 'page'.
* @param string $title
* (optional) The title of the display. Defaults to NULL.
* @param string $id
* (optional) The ID to use, e.g., 'default', 'page_1', 'block_2'. Defaults
* to NULL.
*
* @return \Drupal\views\Plugin\views\display\DisplayPluginBase
* A new display plugin instance if executable is set, the new display ID
* otherwise.
*/
public function newDisplay($plugin_id = 'page', $title = NULL, $id = NULL)
{
$this->initDisplay();
$id = $this->storage->addDisplay($plugin_id, $title, $id);
$this->displayHandlers->addInstanceId($id);
$display = $this->displayHandlers->get($id);
$display->newDisplay();
return $display;
}
