class QuickTabsInstance

class QuickTabsInstance extends ConfigEntityBase implements QuickTabsInstanceInterface {
    const QUICKTABS_DELTA_NONE = '9999';
    
    /**
     * The QuickTabs Instance ID.
     *
     * @var string
     */
    protected $id;
    
    /**
     * The label of the QuickTabs Instance.
     *
     * @var string
     */
    protected $label;
    
    /**
     * The renderer of the QuickTabs Instance.
     *
     * @var string
     */
    protected $renderer;
    
    /**
     * Options provided by renderer plugins.
     *
     * @var array
     */
    protected $options;
    
    /**
     * Whether or not to hide empty tabs.
     *
     * @var bool
     */
    protected $hide_empty_tabs;
    
    /**
     * Whether or not to hide empty tabs.
     *
     * @var bool
     */
    protected $default_tab;
    
    /**
     * Required to render this instance.
     *
     * @var array
     */
    protected $configuration_data;
    
    /**
     * {@inheritdoc}
     */
    public function getLabel() {
        return $this->label;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getRenderer() {
        return $this->renderer;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getOptions() : array {
        if (empty($this->options)) {
            return [];
        }
        return $this->options;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getHideEmptyTabs() {
        return $this->hide_empty_tabs;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDefaultTab() {
        return $this->default_tab;
    }
    
    /**
     * {@inheritdoc}
     */
    public function getConfigurationData() {
        return $this->configuration_data;
    }
    
    /**
     * {@inheritdoc}
     */
    public function setConfigurationData(array $configuration_data) {
        $this->configuration_data = $configuration_data;
    }
    
    /**
     * Returns a render array to be used in a block or page.
     *
     * @return array
     *   A render array.
     */
    public function getRenderArray() {
        $type = \Drupal::service('plugin.manager.tab_renderer');
        $renderer = $type->createInstance($this->getRenderer());
        \Drupal::moduleHandler()->alter('quicktabs_instance', $this);
        return $renderer->render($this);
    }
    
    /**
     * Loads a quicktabs_instance from configuration and returns it.
     *
     * @param string $id
     *   The qti ID to load.
     *
     * @return \Drupal\quicktabs\Entity\QuickTabsInstance
     *   The loaded entity.
     */
    public static function getQuickTabsInstance($id) {
        $qt = \Drupal::service('entity_type.manager')->getStorage('quicktabs_instance')
            ->load($id);
        return $qt;
    }

}