Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\views_ui\Controller;
Chris@0: 
Chris@0: use Drupal\Core\Controller\ControllerBase;
Chris@0: use Drupal\Core\Url;
Chris@0: use Drupal\views\ViewExecutable;
Chris@0: use Drupal\views\ViewEntityInterface;
Chris@0: use Drupal\views\Views;
Chris@0: use Drupal\views_ui\ViewUI;
Chris@0: use Drupal\views\ViewsData;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\JsonResponse;
Chris@0: use Drupal\Core\Ajax\AjaxResponse;
Chris@0: use Drupal\Core\Ajax\ReplaceCommand;
Chris@0: use Drupal\Component\Utility\Html;
Chris@0: 
Chris@0: /**
Chris@0:  * Returns responses for Views UI routes.
Chris@0:  */
Chris@0: class ViewsUIController extends ControllerBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Stores the Views data cache object.
Chris@0:    *
Chris@0:    * @var \Drupal\views\ViewsData
Chris@0:    */
Chris@0:   protected $viewsData;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new \Drupal\views_ui\Controller\ViewsUIController object.
Chris@0:    *
Chris@0:    * @param \Drupal\views\ViewsData $views_data
Chris@0:    *   The Views data cache object.
Chris@0:    */
Chris@0:   public function __construct(ViewsData $views_data) {
Chris@0:     $this->viewsData = $views_data;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('views.views_data')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Lists all instances of fields on any views.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   The Views fields report page.
Chris@0:    */
Chris@0:   public function reportFields() {
Chris@18:     $views = $this->entityTypeManager()->getStorage('view')->loadMultiple();
Chris@0: 
Chris@0:     // Fetch all fieldapi fields which are used in views
Chris@0:     // Therefore search in all views, displays and handler-types.
Chris@0:     $fields = [];
Chris@0:     $handler_types = ViewExecutable::getHandlerTypes();
Chris@0:     foreach ($views as $view) {
Chris@0:       $executable = $view->getExecutable();
Chris@0:       $executable->initDisplay();
Chris@0:       foreach ($executable->displayHandlers as $display_id => $display) {
Chris@0:         if ($executable->setDisplay($display_id)) {
Chris@0:           foreach ($handler_types as $type => $info) {
Chris@0:             foreach ($executable->getHandlers($type, $display_id) as $item) {
Chris@0:               $table_data = $this->viewsData->get($item['table']);
Chris@0:               if (isset($table_data[$item['field']]) && isset($table_data[$item['field']][$type])
Chris@0:                 && $field_data = $table_data[$item['field']][$type]) {
Chris@0:                 // The final check that we have a fieldapi field now.
Chris@0:                 if (isset($field_data['field_name'])) {
Chris@0:                   $fields[$field_data['field_name']][$view->id()] = $view->id();
Chris@0:                 }
Chris@0:               }
Chris@0:             }
Chris@0:           }
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     $header = [t('Field name'), t('Used in')];
Chris@0:     $rows = [];
Chris@0:     foreach ($fields as $field_name => $views) {
Chris@0:       $rows[$field_name]['data'][0]['data']['#plain_text'] = $field_name;
Chris@0:       foreach ($views as $view) {
Chris@0:         $rows[$field_name]['data'][1][] = $this->l($view, new Url('entity.view.edit_form', ['view' => $view]));
Chris@0:       }
Chris@0:       $item_list = [
Chris@0:         '#theme' => 'item_list',
Chris@0:         '#items' => $rows[$field_name]['data'][1],
Chris@0:         '#context' => ['list_style' => 'comma-list'],
Chris@0:       ];
Chris@0:       $rows[$field_name]['data'][1] = ['data' => $item_list];
Chris@0:     }
Chris@0: 
Chris@0:     // Sort rows by field name.
Chris@0:     ksort($rows);
Chris@0:     $output = [
Chris@0:       '#type' => 'table',
Chris@0:       '#header' => $header,
Chris@0:       '#rows' => $rows,
Chris@0:       '#empty' => t('No fields have been used in views yet.'),
Chris@0:     ];
Chris@0: 
Chris@0:     return $output;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Lists all plugins and what enabled Views use them.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   The Views plugins report page.
Chris@0:    */
Chris@0:   public function reportPlugins() {
Chris@0:     $rows = Views::pluginList();
Chris@0:     foreach ($rows as &$row) {
Chris@0:       $views = [];
Chris@0:       // Link each view name to the view itself.
Chris@0:       foreach ($row['views'] as $row_name => $view) {
Chris@0:         $views[] = $this->l($view, new Url('entity.view.edit_form', ['view' => $view]));
Chris@0:       }
Chris@0:       unset($row['views']);
Chris@0:       $row['views']['data'] = [
Chris@0:         '#theme' => 'item_list',
Chris@0:         '#items' => $views,
Chris@0:         '#context' => ['list_style' => 'comma-list'],
Chris@0:       ];
Chris@0:     }
Chris@0: 
Chris@0:     // Sort rows by field name.
Chris@0:     ksort($rows);
Chris@0:     return [
Chris@0:       '#type' => 'table',
Chris@0:       '#header' => [t('Type'), t('Name'), t('Provided by'), t('Used in')],
Chris@0:       '#rows' => $rows,
Chris@0:       '#empty' => t('There are no enabled views.'),
Chris@0:     ];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Calls a method on a view and reloads the listing page.
Chris@0:    *
Chris@0:    * @param \Drupal\views\ViewEntityInterface $view
Chris@0:    *   The view being acted upon.
Chris@0:    * @param string $op
Chris@0:    *   The operation to perform, e.g., 'enable' or 'disable'.
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   The current request.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Ajax\AjaxResponse|\Symfony\Component\HttpFoundation\RedirectResponse
Chris@0:    *   Either returns a rebuilt listing page as an AJAX response, or redirects
Chris@0:    *   back to the listing page.
Chris@0:    */
Chris@0:   public function ajaxOperation(ViewEntityInterface $view, $op, Request $request) {
Chris@0:     // Perform the operation.
Chris@0:     $view->$op()->save();
Chris@0: 
Chris@0:     // If the request is via AJAX, return the rendered list as JSON.
Chris@0:     if ($request->request->get('js')) {
Chris@18:       $list = $this->entityTypeManager()->getListBuilder('view')->render();
Chris@0:       $response = new AjaxResponse();
Chris@0:       $response->addCommand(new ReplaceCommand('#views-entity-list', $list));
Chris@0:       return $response;
Chris@0:     }
Chris@0: 
Chris@0:     // Otherwise, redirect back to the page.
Chris@0:     return $this->redirect('entity.view.collection');
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Menu callback for Views tag autocompletion.
Chris@0:    *
Chris@0:    * Like other autocomplete functions, this function inspects the 'q' query
Chris@0:    * parameter for the string to use to search for suggestions.
Chris@0:    *
Chris@0:    * @return \Symfony\Component\HttpFoundation\JsonResponse
Chris@0:    *   A JSON response containing the autocomplete suggestions for Views tags.
Chris@0:    */
Chris@0:   public function autocompleteTag(Request $request) {
Chris@0:     $matches = [];
Chris@0:     $string = $request->query->get('q');
Chris@0:     // Get matches from default views.
Chris@18:     $views = $this->entityTypeManager()->getStorage('view')->loadMultiple();
Chris@0:     // Keep track of previously processed tags so they can be skipped.
Chris@0:     $tags = [];
Chris@0:     foreach ($views as $view) {
Chris@0:       $tag = $view->get('tag');
Chris@0:       if ($tag && !in_array($tag, $tags)) {
Chris@0:         $tags[] = $tag;
Chris@0:         if (strpos($tag, $string) === 0) {
Chris@0:           $matches[] = ['value' => $tag, 'label' => Html::escape($tag)];
Chris@0:           if (count($matches) >= 10) {
Chris@0:             break;
Chris@0:           }
Chris@0:         }
Chris@0:       }
Chris@0:     }
Chris@0: 
Chris@0:     return new JsonResponse($matches);
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns the form to edit a view.
Chris@0:    *
Chris@0:    * @param \Drupal\views_ui\ViewUI $view
Chris@0:    *   The view to be edited.
Chris@0:    * @param string|null $display_id
Chris@0:    *   (optional) The display ID being edited. Defaults to NULL, which will load
Chris@0:    *   the first available display.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array containing the Views edit and preview forms.
Chris@0:    */
Chris@0:   public function edit(ViewUI $view, $display_id = NULL) {
Chris@0:     $name = $view->label();
Chris@0:     $data = $this->viewsData->get($view->get('base_table'));
Chris@0: 
Chris@0:     if (isset($data['table']['base']['title'])) {
Chris@0:       $name .= ' (' . $data['table']['base']['title'] . ')';
Chris@0:     }
Chris@0:     $build['#title'] = $name;
Chris@0: 
Chris@0:     $build['edit'] = $this->entityFormBuilder()->getForm($view, 'edit', ['display_id' => $display_id]);
Chris@0:     $build['preview'] = $this->entityFormBuilder()->getForm($view, 'preview', ['display_id' => $display_id]);
Chris@0:     return $build;
Chris@0:   }
Chris@0: 
Chris@0: }