class ViewListController

class ViewListController extends ConfigEntityListController {

  /**
   * Overrides Drupal\Core\Entity\EntityListController::load();
   */
  public function load() {
    $entities = array(
      'enabled' => array(),
      'disabled' => array(),
    );
    foreach (parent::load() as $entity) {
      if ($entity
        ->status()) {
        $entities['enabled'][] = $entity;
      }
      else {
        $entities['disabled'][] = $entity;
      }
    }
    return $entities;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityListController::buildRow();
   */
  public function buildRow(EntityInterface $view) {
    return array(
      'data' => array(
        'view_name' => theme('views_ui_view_info', array(
          'view' => $view,
        )),
        'description' => $view
          ->get('description'),
        'tag' => $view
          ->get('tag'),
        'path' => implode(', ', $view
          ->getPaths()),
        'operations' => array(
          'data' => $this
            ->buildOperations($view),
        ),
      ),
      'title' => t('Machine name: ') . $view
        ->id(),
      'class' => array(
        $view
          ->status() ? 'views-ui-list-enabled' : 'views-ui-list-disabled',
      ),
    );
  }

  /**
   * Overrides Drupal\Core\Entity\EntityListController::buildHeader();
   */
  public function buildHeader() {
    return array(
      'view_name' => array(
        'data' => t('View name'),
        'class' => array(
          'views-ui-name',
        ),
      ),
      'description' => array(
        'data' => t('Description'),
        'class' => array(
          'views-ui-description',
        ),
      ),
      'tag' => array(
        'data' => t('Tag'),
        'class' => array(
          'views-ui-tag',
        ),
      ),
      'path' => array(
        'data' => t('Path'),
        'class' => array(
          'views-ui-path',
        ),
      ),
      'operations' => array(
        'data' => t('Operations'),
        'class' => array(
          'views-ui-operations',
        ),
      ),
    );
  }

  /**
   * Implements \Drupal\Core\Entity\EntityListController::getOperations().
   */
  public function getOperations(EntityInterface $view) {
    $definition = parent::getOperations($view);
    $uri = $view
      ->uri();
    $definition['clone'] = array(
      'title' => t('Clone'),
      'href' => $uri['path'] . '/clone',
      'options' => $uri['options'],
      'weight' => 15,
    );

    // Add AJAX functionality to enable/disable operations.
    foreach (array(
      'enable',
      'disable',
    ) as $op) {
      if (isset($definition[$op])) {
        $definition[$op]['ajax'] = TRUE;
      }
    }
    return $definition;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityListController::buildOperations();
   */
  public function buildOperations(EntityInterface $entity) {
    $build = parent::buildOperations($entity);

    // Allow operations to specify that they use AJAX.
    foreach ($build['#links'] as &$operation) {
      if (!empty($operation['ajax'])) {
        $operation['attributes']['class'][] = 'use-ajax';
      }
    }

    // Use the dropbutton #type.
    unset($build['#theme']);
    $build['#type'] = 'dropbutton';
    return $build;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityListController::render();
   */
  public function render() {
    $entities = $this
      ->load();
    $list['#type'] = 'container';
    $list['#attached']['css'] = ViewFormControllerBase::getAdminCSS();
    $list['#attached']['library'][] = array(
      'system',
      'drupal.ajax',
    );
    $list['#attributes']['id'] = 'views-entity-list';
    $list['enabled']['heading']['#markup'] = '<h2>' . t('Enabled') . '</h2>';
    $list['disabled']['heading']['#markup'] = '<h2>' . t('Disabled') . '</h2>';
    foreach (array(
      'enabled',
      'disabled',
    ) as $status) {
      $list[$status]['#type'] = 'container';
      $list[$status]['#attributes'] = array(
        'class' => array(
          'views-list-section',
          $status,
        ),
      );
      $list[$status]['table'] = array(
        '#theme' => 'table',
        '#header' => $this
          ->buildHeader(),
        '#rows' => array(),
      );
      foreach ($entities[$status] as $entity) {
        $list[$status]['table']['#rows'][$entity
          ->id()] = $this
          ->buildRow($entity);
      }
    }

    // @todo Use a placeholder for the entity label if this is abstracted to
    // other entity types.
    $list['enabled']['table']['#empty'] = t('There are no enabled views.');
    $list['disabled']['table']['#empty'] = t('There are no disabled views.');
    return $list;
  }

}