class ViewEditForm in Drupal 8

Same name and namespace in other branches

9 core/modules/views_ui/src/ViewEditForm.php \Drupal\views_ui\ViewEditForm

Form controller for the Views edit form.

@internal

Hierarchy

class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
- class \Drupal\Core\Entity\EntityForm implements EntityFormInterface
  - class \Drupal\views_ui\ViewFormBase
    class \Drupal\views_ui\ViewEditForm

Expanded class hierarchy of ViewEditForm

File

core/modules/views_ui/src/ViewEditForm.php, line 26

Namespace

Drupal\views_ui

View source

class ViewEditForm extends ViewFormBase {

  /**
   * The views temp store.
   *
   * @var \Drupal\Core\TempStore\SharedTempStore
   */
  protected $tempStore;

  /**
   * The request object.
   *
   * @var \Symfony\Component\HttpFoundation\RequestStack
   */
  protected $requestStack;

  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;

  /**
   * The element info manager.
   *
   * @var \Drupal\Core\Render\ElementInfoManagerInterface
   */
  protected $elementInfo;

  /**
   * Constructs a new ViewEditForm object.
   *
   * @param \Drupal\Core\TempStore\SharedTempStoreFactory $temp_store_factory
   *   The factory for the temp store object.
   * @param \Symfony\Component\HttpFoundation\RequestStack $requestStack
   *   The request stack object.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date Formatter service.
   * @param \Drupal\Core\Render\ElementInfoManagerInterface $element_info
   *   The element info manager.
   */
  public function __construct(SharedTempStoreFactory $temp_store_factory, RequestStack $requestStack, DateFormatterInterface $date_formatter, ElementInfoManagerInterface $element_info) {
    $this->tempStore = $temp_store_factory
      ->get('views');
    $this->requestStack = $requestStack;
    $this->dateFormatter = $date_formatter;
    $this->elementInfo = $element_info;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('tempstore.shared'), $container
      ->get('request_stack'), $container
      ->get('date.formatter'), $container
      ->get('element_info'));
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {

    /** @var \Drupal\views_ui\ViewUI $view */
    $view = $this->entity;
    $display_id = $this->displayID;

    // Do not allow the form to be cached, because $form_state->get('view') can become
    // stale between page requests.
    // See views_ui_ajax_get_form() for how this affects #ajax.
    // @todo To remove this and allow the form to be cacheable:
    //   - Change $form_state->get('view') to $form_state->getTemporary()['view'].
    //   - Add a #process function to initialize $form_state->getTemporary()['view']
    //     on cached form submissions.
    //   - Use \Drupal\Core\Form\FormStateInterface::loadInclude().
    $form_state
      ->disableCache();
    if ($display_id) {
      if (!$view
        ->getExecutable()
        ->setDisplay($display_id)) {
        $form['#markup'] = $this
          ->t('Invalid display id @display', [
          '@display' => $display_id,
        ]);
        return $form;
      }
    }
    $form['#tree'] = TRUE;
    $form['#attached']['library'][] = 'core/drupal.dialog.ajax';
    $form['#attached']['library'][] = 'core/drupal.states';
    $form['#attached']['library'][] = 'core/drupal.tabledrag';
    $form['#attached']['library'][] = 'views_ui/views_ui.admin';
    $form['#attached']['library'][] = 'views_ui/admin.styling';
    $form += [
      '#prefix' => '',
      '#suffix' => '',
    ];
    $view_status = $view
      ->status() ? 'enabled' : 'disabled';
    $form['#prefix'] .= '<div class="views-edit-view views-admin ' . $view_status . ' clearfix">';
    $form['#suffix'] = '</div>' . $form['#suffix'];
    $form['#attributes']['class'] = [
      'form-edit',
    ];
    if ($view
      ->isLocked()) {
      $form['locked'] = [
        '#type' => 'container',
        '#attributes' => [
          'class' => [
            'view-locked',
            'messages',
            'messages--warning',
          ],
        ],
        '#weight' => -10,
        'message' => [
          '#type' => 'break_lock_link',
          '#label' => $view
            ->getEntityType()
            ->getSingularLabel(),
          '#lock' => $view
            ->getLock(),
          '#url' => $view
            ->toUrl('break-lock-form'),
        ],
      ];
    }
    else {
      $form['changed'] = [
        '#type' => 'container',
        '#attributes' => [
          'class' => [
            'view-changed',
            'messages',
            'messages--warning',
          ],
        ],
        '#children' => $this
          ->t('You have unsaved changes.'),
        '#weight' => -10,
      ];
      if (empty($view->changed)) {
        $form['changed']['#attributes']['class'][] = 'js-hide';
      }
    }
    $form['displays'] = [
      '#prefix' => '<h1 class="unit-title clearfix">' . $this
        ->t('Displays') . '</h1>',
      '#type' => 'container',
      '#attributes' => [
        'class' => [
          'views-displays',
        ],
      ],
    ];
    $form['displays']['top'] = $this
      ->renderDisplayTop($view);

    // The rest requires a display to be selected.
    if ($display_id) {
      $form_state
        ->set('display_id', $display_id);

      // The part of the page where editing will take place.
      $form['displays']['settings'] = [
        '#type' => 'container',
        '#id' => 'edit-display-settings',
        '#attributes' => [
          'class' => [
            'edit-display-settings',
          ],
        ],
      ];

      // Add a text that the display is disabled.
      if ($view
        ->getExecutable()->displayHandlers
        ->has($display_id)) {
        if (!$view
          ->getExecutable()->displayHandlers
          ->get($display_id)
          ->isEnabled()) {
          $form['displays']['settings']['disabled']['#markup'] = $this
            ->t('This display is disabled.');
        }
      }

      // Add the edit display content
      $tab_content = $this
        ->getDisplayTab($view);
      $tab_content['#theme_wrappers'] = [
        'container',
      ];
      $tab_content['#attributes'] = [
        'class' => [
          'views-display-tab',
        ],
      ];
      $tab_content['#id'] = 'views-tab-' . $display_id;

      // Mark deleted displays as such.
      $display = $view
        ->get('display');
      if (!empty($display[$display_id]['deleted'])) {
        $tab_content['#attributes']['class'][] = 'views-display-deleted';
      }

      // Mark disabled displays as such.
      if ($view
        ->getExecutable()->displayHandlers
        ->has($display_id) && !$view
        ->getExecutable()->displayHandlers
        ->get($display_id)
        ->isEnabled()) {
        $tab_content['#attributes']['class'][] = 'views-display-disabled';
      }
      $form['displays']['settings']['settings_content'] = [
        '#type' => 'container',
        'tab_content' => $tab_content,
      ];
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    $actions = parent::actions($form, $form_state);
    unset($actions['delete']);
    $actions['cancel'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Cancel'),
      '#submit' => [
        '::cancel',
      ],
      '#limit_validation_errors' => [],
    ];
    if ($this->entity
      ->isLocked()) {
      $actions['submit']['#access'] = FALSE;
      $actions['cancel']['#access'] = FALSE;
    }
    return $actions;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
    $view = $this->entity;
    if ($view
      ->isLocked()) {
      $form_state
        ->setErrorByName('', $this
        ->t('Changes cannot be made to a locked view.'));
    }
    foreach ($view
      ->getExecutable()
      ->validate() as $display_errors) {
      foreach ($display_errors as $error) {
        $form_state
          ->setErrorByName('', $error);
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $view = $this->entity;
    $executable = $view
      ->getExecutable();
    $executable
      ->initDisplay();

    // Go through and remove displayed scheduled for removal.
    $displays = $view
      ->get('display');
    foreach ($displays as $id => $display) {
      if (!empty($display['deleted'])) {

        // Remove view display from view attachment under the attachments
        // options.
        $display_handler = $executable->displayHandlers
          ->get($id);
        if ($attachments = $display_handler
          ->getAttachedDisplays()) {
          foreach ($attachments as $attachment) {
            $attached_options = $executable->displayHandlers
              ->get($attachment)
              ->getOption('displays');
            unset($attached_options[$id]);
            $executable->displayHandlers
              ->get($attachment)
              ->setOption('displays', $attached_options);
          }
        }
        $executable->displayHandlers
          ->remove($id);
        unset($displays[$id]);
      }
    }

    // Rename display ids if needed.
    foreach ($executable->displayHandlers as $id => $display) {
      if (!empty($display->display['new_id']) && $display->display['new_id'] !== $display->display['id'] && empty($display->display['deleted'])) {
        $new_id = $display->display['new_id'];
        $display->display['id'] = $new_id;
        unset($display->display['new_id']);
        $executable->displayHandlers
          ->set($new_id, $display);
        $displays[$new_id] = $displays[$id];
        unset($displays[$id]);

        // Redirect the user to the renamed display to be sure that the page itself exists and doesn't throw errors.
        $form_state
          ->setRedirect('entity.view.edit_display_form', [
          'view' => $view
            ->id(),
          'display_id' => $new_id,
        ]);
      }
      elseif (isset($display->display['new_id'])) {
        unset($display->display['new_id']);
      }
    }
    $view
      ->set('display', $displays);

    // @todo: Revisit this when https://www.drupal.org/node/1668866 is in.
    $query = $this->requestStack
      ->getCurrentRequest()->query;
    $destination = $query
      ->get('destination');
    if (!empty($destination)) {

      // Find out the first display which has a changed path and redirect to this url.
      $old_view = Views::getView($view
        ->id());
      $old_view
        ->initDisplay();
      foreach ($old_view->displayHandlers as $id => $display) {

        // Only check for displays with a path.
        $old_path = $display
          ->getOption('path');
        if (empty($old_path)) {
          continue;
        }
        if ($display
          ->getPluginId() == 'page' && $old_path == $destination && $old_path != $view
          ->getExecutable()->displayHandlers
          ->get($id)
          ->getOption('path')) {
          $destination = $view
            ->getExecutable()->displayHandlers
            ->get($id)
            ->getOption('path');
          $query
            ->remove('destination');
        }
      }
      $form_state
        ->setRedirectUrl(Url::fromUri("base:{$destination}"));
    }
    $view
      ->save();
    $this
      ->messenger()
      ->addStatus($this
      ->t('The view %name has been saved.', [
      '%name' => $view
        ->label(),
    ]));

    // Remove this view from cache so we can edit it properly.
    $this->tempStore
      ->delete($view
      ->id());
  }

  /**
   * Form submission handler for the 'cancel' action.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function cancel(array $form, FormStateInterface $form_state) {

    // Remove this view from cache so edits will be lost.
    $view = $this->entity;
    $this->tempStore
      ->delete($view
      ->id());
    $form_state
      ->setRedirectUrl($this->entity
      ->toUrl('collection'));
  }

  /**
   * Returns a renderable array representing the edit page for one display.
   */
  public function getDisplayTab($view) {
    $build = [];
    $display_id = $this->displayID;
    $display = $view
      ->getExecutable()->displayHandlers
      ->get($display_id);

    // If the plugin doesn't exist, display an error message instead of an edit
    // page.
    if (empty($display)) {

      // @TODO: Improved UX for the case where a plugin is missing.
      $build['#markup'] = $this
        ->t("Error: Display @display refers to a plugin named '@plugin', but that plugin is not available.", [
        '@display' => $display->display['id'],
        '@plugin' => $display->display['display_plugin'],
      ]);
    }
    else {
      $build['details'] = $this
        ->getDisplayDetails($view, $display->display);
    }

    // In AJAX context, ViewUI::rebuildCurrentTab() returns this outside of form
    // context, so hook_form_view_edit_form_alter() is insufficient.
    // @todo remove this after
    //   https://www.drupal.org/project/drupal/issues/3087455 has been resolved.
    \Drupal::moduleHandler()
      ->alter('views_ui_display_tab', $build, $view, $display_id);

    // Because themes can implement hook_form_FORM_ID_alter() and because this
    // is a workaround for hook_form_view_edit_form_alter() being insufficient,
    // also invoke this on themes.
    // @todo remove this after
    //   https://www.drupal.org/project/drupal/issues/3087455 has been resolved.
    \Drupal::theme()
      ->alter('views_ui_display_tab', $build, $view, $display_id);
    return $build;
  }

  /**
   * Helper function to get the display details section of the edit UI.
   *
   * @param $display
   *
   * @return array
   *   A renderable page build array.
   */
  public function getDisplayDetails($view, $display) {
    $display_title = $this
      ->getDisplayLabel($view, $display['id'], FALSE);
    $build = [
      '#theme_wrappers' => [
        'container',
      ],
      '#attributes' => [
        'id' => 'edit-display-settings-details',
      ],
    ];
    $is_display_deleted = !empty($display['deleted']);

    // The master display cannot be duplicated.
    $is_default = $display['id'] == 'default';

    // @todo: Figure out why getOption doesn't work here.
    $is_enabled = $view
      ->getExecutable()->displayHandlers
      ->get($display['id'])
      ->isEnabled();
    if ($display['id'] != 'default') {
      $build['top']['#theme_wrappers'] = [
        'container',
      ];
      $build['top']['#attributes']['id'] = 'edit-display-settings-top';
      $build['top']['#attributes']['class'] = [
        'views-ui-display-tab-actions',
        'edit-display-settings-top',
        'views-ui-display-tab-bucket',
        'clearfix',
      ];

      // The Delete, Duplicate and Undo Delete buttons.
      $build['top']['actions'] = [
        '#theme_wrappers' => [
          'dropbutton_wrapper',
        ],
      ];

      // Because some of the 'links' are actually submit buttons, we have to
      // manually wrap each item in <li> and the whole list in <ul>.
      $build['top']['actions']['prefix']['#markup'] = '<ul class="dropbutton">';
      if (!$is_display_deleted) {
        if (!$is_enabled) {
          $build['top']['actions']['enable'] = [
            '#type' => 'submit',
            '#value' => $this
              ->t('Enable @display_title', [
              '@display_title' => $display_title,
            ]),
            '#limit_validation_errors' => [],
            '#submit' => [
              '::submitDisplayEnable',
              '::submitDelayDestination',
            ],
            '#prefix' => '<li class="enable">',
            "#suffix" => '</li>',
          ];
        }
        elseif ($view
          ->status() && $view
          ->getExecutable()->displayHandlers
          ->get($display['id'])
          ->hasPath()) {
          $path = $view
            ->getExecutable()->displayHandlers
            ->get($display['id'])
            ->getPath();
          if ($path && strpos($path, '%') === FALSE) {

            // Wrap this in a try/catch as trying to generate links to some
            // routes may throw a NotAcceptableHttpException if they do not
            // respond to HTML, such as RESTExports.
            try {
              if (!parse_url($path, PHP_URL_SCHEME)) {

                // @todo Views should expect and store a leading /. See:
                //   https://www.drupal.org/node/2423913
                $url = Url::fromUserInput('/' . ltrim($path, '/'));
              }
              else {
                $url = Url::fromUri("base:{$path}");
              }
            } catch (NotAcceptableHttpException $e) {
              $url = '/' . $path;
            }
            $build['top']['actions']['path'] = [
              '#type' => 'link',
              '#title' => $this
                ->t('View @display_title', [
                '@display_title' => $display_title,
              ]),
              '#options' => [
                'alt' => [
                  $this
                    ->t("Go to the real page for this display"),
                ],
              ],
              '#url' => $url,
              '#prefix' => '<li class="view">',
              "#suffix" => '</li>',
            ];
          }
        }
        if (!$is_default) {
          $build['top']['actions']['duplicate'] = [
            '#type' => 'submit',
            '#value' => $this
              ->t('Duplicate @display_title', [
              '@display_title' => $display_title,
            ]),
            '#limit_validation_errors' => [],
            '#submit' => [
              '::submitDisplayDuplicate',
              '::submitDelayDestination',
            ],
            '#prefix' => '<li class="duplicate">',
            "#suffix" => '</li>',
          ];
        }

        // Always allow a display to be deleted.
        $build['top']['actions']['delete'] = [
          '#type' => 'submit',
          '#value' => $this
            ->t('Delete @display_title', [
            '@display_title' => $display_title,
          ]),
          '#limit_validation_errors' => [],
          '#submit' => [
            '::submitDisplayDelete',
            '::submitDelayDestination',
          ],
          '#prefix' => '<li class="delete">',
          "#suffix" => '</li>',
        ];
        foreach (Views::fetchPluginNames('display', NULL, [
          $view
            ->get('storage')
            ->get('base_table'),
        ]) as $type => $label) {
          if ($type == $display['display_plugin']) {
            continue;
          }
          $build['top']['actions']['duplicate_as'][$type] = [
            '#type' => 'submit',
            '#value' => $this
              ->t('Duplicate as @type', [
              '@type' => $label,
            ]),
            '#limit_validation_errors' => [],
            '#submit' => [
              '::submitDuplicateDisplayAsType',
              '::submitDelayDestination',
            ],
            '#prefix' => '<li class="duplicate">',
            '#suffix' => '</li>',
          ];
        }
      }
      else {
        $build['top']['actions']['undo_delete'] = [
          '#type' => 'submit',
          '#value' => $this
            ->t('Undo delete of @display_title', [
            '@display_title' => $display_title,
          ]),
          '#limit_validation_errors' => [],
          '#submit' => [
            '::submitDisplayUndoDelete',
            '::submitDelayDestination',
          ],
          '#prefix' => '<li class="undo-delete">',
          "#suffix" => '</li>',
        ];
      }
      if ($is_enabled) {
        $build['top']['actions']['disable'] = [
          '#type' => 'submit',
          '#value' => $this
            ->t('Disable @display_title', [
            '@display_title' => $display_title,
          ]),
          '#limit_validation_errors' => [],
          '#submit' => [
            '::submitDisplayDisable',
            '::submitDelayDestination',
          ],
          '#prefix' => '<li class="disable">',
          "#suffix" => '</li>',
        ];
      }
      $build['top']['actions']['suffix']['#markup'] = '</ul>';

      // The area above the three columns.
      $build['top']['display_title'] = [
        '#theme' => 'views_ui_display_tab_setting',
        '#description' => $this
          ->t('Display name'),
        '#link' => $view
          ->getExecutable()->displayHandlers
          ->get($display['id'])
          ->optionLink($display_title, 'display_title'),
      ];
    }
    $build['columns'] = [];
    $build['columns']['#theme_wrappers'] = [
      'container',
    ];
    $build['columns']['#attributes'] = [
      'id' => 'edit-display-settings-main',
      'class' => [
        'clearfix',
        'views-display-columns',
      ],
    ];
    $build['columns']['first']['#theme_wrappers'] = [
      'container',
    ];
    $build['columns']['first']['#attributes'] = [
      'class' => [
        'views-display-column',
        'first',
      ],
    ];
    $build['columns']['second']['#theme_wrappers'] = [
      'container',
    ];
    $build['columns']['second']['#attributes'] = [
      'class' => [
        'views-display-column',
        'second',
      ],
    ];
    $build['columns']['second']['settings'] = [];
    $build['columns']['second']['header'] = [];
    $build['columns']['second']['footer'] = [];
    $build['columns']['second']['empty'] = [];
    $build['columns']['second']['pager'] = [];

    // The third column buckets are wrapped in details.
    $build['columns']['third'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Advanced'),
      '#theme_wrappers' => [
        'details',
      ],
      '#attributes' => [
        'class' => [
          'views-display-column',
          'third',
        ],
      ],
    ];

    // Collapse the details by default.
    $build['columns']['third']['#open'] = \Drupal::config('views.settings')
      ->get('ui.show.advanced_column');

    // Each option (e.g. title, access, display as grid/table/list) fits into one
    // of several "buckets," or boxes (Format, Fields, Sort, and so on).
    $buckets = [];

    // Fetch options from the display plugin, with a list of buckets they go into.
    $options = [];
    $view
      ->getExecutable()->displayHandlers
      ->get($display['id'])
      ->optionsSummary($buckets, $options);

    // Place each option into its bucket.
    foreach ($options as $id => $option) {

      // Each option self-identifies as belonging in a particular bucket.
      $buckets[$option['category']]['build'][$id] = $this
        ->buildOptionForm($view, $id, $option, $display);
    }

    // Place each bucket into the proper column.
    foreach ($buckets as $id => $bucket) {

      // Let buckets identify themselves as belonging in a column.
      if (isset($bucket['column']) && isset($build['columns'][$bucket['column']])) {
        $column = $bucket['column'];
      }
      else {
        $column = 'third';
      }
      if (isset($bucket['build']) && is_array($bucket['build'])) {
        $build['columns'][$column][$id] = $bucket['build'];
        $build['columns'][$column][$id]['#theme_wrappers'][] = 'views_ui_display_tab_bucket';
        $build['columns'][$column][$id]['#title'] = !empty($bucket['title']) ? $bucket['title'] : '';
        $build['columns'][$column][$id]['#name'] = $id;
      }
    }
    $build['columns']['first']['fields'] = $this
      ->getFormBucket($view, 'field', $display);
    $build['columns']['first']['filters'] = $this
      ->getFormBucket($view, 'filter', $display);
    $build['columns']['first']['sorts'] = $this
      ->getFormBucket($view, 'sort', $display);
    $build['columns']['second']['header'] = $this
      ->getFormBucket($view, 'header', $display);
    $build['columns']['second']['footer'] = $this
      ->getFormBucket($view, 'footer', $display);
    $build['columns']['second']['empty'] = $this
      ->getFormBucket($view, 'empty', $display);
    $build['columns']['third']['arguments'] = $this
      ->getFormBucket($view, 'argument', $display);
    $build['columns']['third']['relationships'] = $this
      ->getFormBucket($view, 'relationship', $display);
    return $build;
  }

  /**
   * Submit handler to add a restore a removed display to a view.
   */
  public function submitDisplayUndoDelete($form, FormStateInterface $form_state) {
    $view = $this->entity;

    // Create the new display
    $id = $form_state
      ->get('display_id');
    $displays = $view
      ->get('display');
    $displays[$id]['deleted'] = FALSE;
    $view
      ->set('display', $displays);

    // Store in cache
    $view
      ->cacheSet();

    // Redirect to the top-level edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $id,
    ]);
  }

  /**
   * Submit handler to enable a disabled display.
   */
  public function submitDisplayEnable($form, FormStateInterface $form_state) {
    $view = $this->entity;
    $id = $form_state
      ->get('display_id');

    // setOption doesn't work because this would might affect upper displays
    $view
      ->getExecutable()->displayHandlers
      ->get($id)
      ->setOption('enabled', TRUE);

    // Store in cache
    $view
      ->cacheSet();

    // Redirect to the top-level edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $id,
    ]);
  }

  /**
   * Submit handler to disable display.
   */
  public function submitDisplayDisable($form, FormStateInterface $form_state) {
    $view = $this->entity;
    $id = $form_state
      ->get('display_id');
    $view
      ->getExecutable()->displayHandlers
      ->get($id)
      ->setOption('enabled', FALSE);

    // Store in cache
    $view
      ->cacheSet();

    // Redirect to the top-level edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $id,
    ]);
  }

  /**
   * Submit handler to delete a display from a view.
   */
  public function submitDisplayDelete($form, FormStateInterface $form_state) {
    $view = $this->entity;
    $display_id = $form_state
      ->get('display_id');

    // Mark the display for deletion.
    $displays = $view
      ->get('display');
    $displays[$display_id]['deleted'] = TRUE;
    $view
      ->set('display', $displays);
    $view
      ->cacheSet();

    // Redirect to the top-level edit page. The first remaining display will
    // become the active display.
    $form_state
      ->setRedirectUrl($view
      ->toUrl('edit-form'));
  }

  /**
   * Regenerate the current tab for AJAX updates.
   *
   * @param \Drupal\views_ui\ViewUI $view
   *   The view to regenerate its tab.
   * @param \Drupal\Core\Ajax\AjaxResponse $response
   *   The response object to add new commands to.
   * @param string $display_id
   *   The display ID of the tab to regenerate.
   */
  public function rebuildCurrentTab(ViewUI $view, AjaxResponse $response, $display_id) {
    $this->displayID = $display_id;
    if (!$view
      ->getExecutable()
      ->setDisplay('default')) {
      return;
    }

    // Regenerate the main display area.
    $build = $this
      ->getDisplayTab($view);
    $response
      ->addCommand(new HtmlCommand('#views-tab-' . $display_id, $build));

    // Regenerate the top area so changes to display names and order will appear.
    $build = $this
      ->renderDisplayTop($view);
    $response
      ->addCommand(new ReplaceCommand('#views-display-top', $build));
  }

  /**
   * Render the top of the display so it can be updated during ajax operations.
   */
  public function renderDisplayTop(ViewUI $view) {
    $display_id = $this->displayID;
    $element['#theme_wrappers'][] = 'views_ui_container';
    $element['#attributes']['class'] = [
      'views-display-top',
      'clearfix',
    ];
    $element['#attributes']['id'] = [
      'views-display-top',
    ];

    // Extra actions for the display
    $element['extra_actions'] = [
      '#type' => 'dropbutton',
      '#attributes' => [
        'id' => 'views-display-extra-actions',
      ],
      '#links' => [
        'edit-details' => [
          'title' => $this
            ->t('Edit view name/description'),
          'url' => Url::fromRoute('views_ui.form_edit_details', [
            'js' => 'nojs',
            'view' => $view
              ->id(),
            'display_id' => $display_id,
          ]),
          'attributes' => [
            'class' => [
              'views-ajax-link',
            ],
          ],
        ],
        'analyze' => [
          'title' => $this
            ->t('Analyze view'),
          'url' => Url::fromRoute('views_ui.form_analyze', [
            'js' => 'nojs',
            'view' => $view
              ->id(),
            'display_id' => $display_id,
          ]),
          'attributes' => [
            'class' => [
              'views-ajax-link',
            ],
          ],
        ],
        'duplicate' => [
          'title' => $this
            ->t('Duplicate view'),
          'url' => $view
            ->toUrl('duplicate-form'),
        ],
        'reorder' => [
          'title' => $this
            ->t('Reorder displays'),
          'url' => Url::fromRoute('views_ui.form_reorder_displays', [
            'js' => 'nojs',
            'view' => $view
              ->id(),
            'display_id' => $display_id,
          ]),
          'attributes' => [
            'class' => [
              'views-ajax-link',
            ],
          ],
        ],
      ],
    ];
    if ($view
      ->access('delete')) {
      $element['extra_actions']['#links']['delete'] = [
        'title' => $this
          ->t('Delete view'),
        'url' => $view
          ->toUrl('delete-form'),
      ];
    }

    // Let other modules add additional links here.
    \Drupal::moduleHandler()
      ->alter('views_ui_display_top_links', $element['extra_actions']['#links'], $view, $display_id);
    if (isset($view->type) && $view->type != $this
      ->t('Default')) {
      if ($view->type == $this
        ->t('Overridden')) {
        $element['extra_actions']['#links']['revert'] = [
          'title' => $this
            ->t('Revert view'),
          'href' => "admin/structure/views/view/{$view->id()}/revert",
          'query' => [
            'destination' => $view
              ->toUrl('edit-form')
              ->toString(),
          ],
        ];
      }
      else {
        $element['extra_actions']['#links']['delete'] = [
          'title' => $this
            ->t('Delete view'),
          'url' => $view
            ->toUrl('delete-form'),
        ];
      }
    }

    // Determine the displays available for editing.
    if ($tabs = $this
      ->getDisplayTabs($view)) {
      if ($display_id) {
        $tabs[$display_id]['#active'] = TRUE;
      }
      $tabs['#prefix'] = '<h2 class="visually-hidden">' . $this
        ->t('Secondary tabs') . '</h2><ul id = "views-display-menu-tabs" class="tabs secondary">';
      $tabs['#suffix'] = '</ul>';
      $element['tabs'] = $tabs;
    }

    // Buttons for adding a new display.
    foreach (Views::fetchPluginNames('display', NULL, [
      $view
        ->get('base_table'),
    ]) as $type => $label) {
      $element['add_display'][$type] = [
        '#type' => 'submit',
        '#value' => $this
          ->t('Add @display', [
          '@display' => $label,
        ]),
        '#limit_validation_errors' => [],
        '#submit' => [
          '::submitDisplayAdd',
          '::submitDelayDestination',
        ],
        '#attributes' => [
          'class' => [
            'add-display',
          ],
        ],
        // Allow JavaScript to remove the 'Add ' prefix from the button label when
        // placing the button in a "Add" dropdown menu.
        '#process' => array_merge([
          'views_ui_form_button_was_clicked',
        ], $this->elementInfo
          ->getInfoProperty('submit', '#process', [])),
        '#values' => [
          $this
            ->t('Add @display', [
            '@display' => $label,
          ]),
          $label,
        ],
      ];
    }

    // In AJAX context, ViewUI::rebuildCurrentTab() returns this outside of form
    // context, so hook_form_view_edit_form_alter() is insufficient.
    // @todo remove this after
    //   https://www.drupal.org/project/drupal/issues/3087455 has been resolved.
    \Drupal::moduleHandler()
      ->alter('views_ui_display_top', $element, $view, $display_id);

    // Because themes can implement hook_form_FORM_ID_alter() and because this
    // is a workaround for hook_form_view_edit_form_alter() being insufficient,
    // also invoke this on themes.
    // @todo remove this after
    //   https://www.drupal.org/project/drupal/issues/3087455 has been resolved.
    \Drupal::theme()
      ->alter('views_ui_display_top', $element, $view, $display_id);
    return $element;
  }

  /**
   * Submit handler for form buttons that do not complete a form workflow.
   *
   * The Edit View form is a multistep form workflow, but with state managed by
   * the SharedTempStore rather than $form_state->setRebuild(). Without this
   * submit handler, buttons that add or remove displays would redirect to the
   * destination parameter (e.g., when the Edit View form is linked to from a
   * contextual link). This handler can be added to buttons whose form submission
   * should not yet redirect to the destination.
   */
  public function submitDelayDestination($form, FormStateInterface $form_state) {
    $request = $this->requestStack
      ->getCurrentRequest();
    $destination = $request->query
      ->get('destination');
    $redirect = $form_state
      ->getRedirect();

    // If there is a destination, and redirects are not explicitly disabled, add
    // the destination as a query string to the redirect and suppress it for the
    // current request.
    if (isset($destination) && $redirect !== FALSE) {

      // Create a valid redirect if one does not exist already.
      if (!$redirect instanceof Url) {
        $redirect = Url::createFromRequest($request);
      }

      // Add the current destination to the redirect unless one exists already.
      $options = $redirect
        ->getOptions();
      if (!isset($options['query']['destination'])) {
        $options['query']['destination'] = $destination;
        $redirect
          ->setOptions($options);
      }
      $form_state
        ->setRedirectUrl($redirect);
      $request->query
        ->remove('destination');
    }
  }

  /**
   * Submit handler to duplicate a display for a view.
   */
  public function submitDisplayDuplicate($form, FormStateInterface $form_state) {
    $view = $this->entity;
    $display_id = $this->displayID;

    // Create the new display.
    $displays = $view
      ->get('display');
    $display = $view
      ->getExecutable()
      ->newDisplay($displays[$display_id]['display_plugin']);
    $new_display_id = $display->display['id'];
    $displays[$new_display_id] = $displays[$display_id];
    $displays[$new_display_id]['id'] = $new_display_id;
    $view
      ->set('display', $displays);

    // By setting the current display the changed marker will appear on the new
    // display.
    $view
      ->getExecutable()->current_display = $new_display_id;
    $view
      ->cacheSet();

    // Redirect to the new display's edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $new_display_id,
    ]);
  }

  /**
   * Submit handler to add a display to a view.
   */
  public function submitDisplayAdd($form, FormStateInterface $form_state) {
    $view = $this->entity;

    // Create the new display.
    $parents = $form_state
      ->getTriggeringElement()['#parents'];
    $display_type = array_pop($parents);
    $display = $view
      ->getExecutable()
      ->newDisplay($display_type);
    $display_id = $display->display['id'];

    // A new display got added so the asterisks symbol should appear on the new
    // display.
    $view
      ->getExecutable()->current_display = $display_id;
    $view
      ->cacheSet();

    // Redirect to the new display's edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $display_id,
    ]);
  }

  /**
   * Submit handler to Duplicate a display as another display type.
   */
  public function submitDuplicateDisplayAsType($form, FormStateInterface $form_state) {

    /** @var \Drupal\views\ViewEntityInterface $view */
    $view = $this->entity;
    $display_id = $this->displayID;

    // Create the new display.
    $parents = $form_state
      ->getTriggeringElement()['#parents'];
    $display_type = array_pop($parents);
    $new_display_id = $view
      ->duplicateDisplayAsType($display_id, $display_type);

    // By setting the current display the changed marker will appear on the new
    // display.
    $view
      ->getExecutable()->current_display = $new_display_id;
    $view
      ->cacheSet();

    // Redirect to the new display's edit page.
    $form_state
      ->setRedirect('entity.view.edit_display_form', [
      'view' => $view
        ->id(),
      'display_id' => $new_display_id,
    ]);
  }

  /**
   * Build a renderable array representing one option on the edit form.
   *
   * This function might be more logical as a method on an object, if a suitable
   * object emerges out of refactoring.
   */
  public function buildOptionForm(ViewUI $view, $id, $option, $display) {
    $option_build = [];
    $option_build['#theme'] = 'views_ui_display_tab_setting';
    $option_build['#description'] = $option['title'];
    $option_build['#link'] = $view
      ->getExecutable()->displayHandlers
      ->get($display['id'])
      ->optionLink($option['value'], $id, '', empty($option['desc']) ? '' : $option['desc']);
    $option_build['#links'] = [];
    if (!empty($option['links']) && is_array($option['links'])) {
      foreach ($option['links'] as $link_id => $link_value) {
        $option_build['#settings_links'][] = $view
          ->getExecutable()->displayHandlers
          ->get($display['id'])
          ->optionLink($option['setting'], $link_id, 'views-button-configure', $link_value);
      }
    }
    if (!empty($view
      ->getExecutable()->displayHandlers
      ->get($display['id'])->options['defaults'][$id])) {
      $display_id = 'default';
      $option_build['#defaulted'] = TRUE;
    }
    else {
      $display_id = $display['id'];
      if (!$view
        ->getExecutable()->displayHandlers
        ->get($display['id'])
        ->isDefaultDisplay()) {
        if ($view
          ->getExecutable()->displayHandlers
          ->get($display['id'])
          ->defaultableSections($id)) {
          $option_build['#overridden'] = TRUE;
        }
      }
    }
    $option_build['#attributes']['class'][] = Html::cleanCssIdentifier($display_id . '-' . $id);
    return $option_build;
  }

  /**
   * Add information about a section to a display.
   */
  public function getFormBucket(ViewUI $view, $type, $display) {
    $executable = $view
      ->getExecutable();
    $executable
      ->setDisplay($display['id']);
    $executable
      ->initStyle();
    $types = $executable
      ->getHandlerTypes();
    $build = [
      '#theme_wrappers' => [
        'views_ui_display_tab_bucket',
      ],
    ];
    $build['#overridden'] = FALSE;
    $build['#defaulted'] = FALSE;
    $build['#name'] = $type;
    $build['#title'] = $types[$type]['title'];
    $rearrange_url = Url::fromRoute('views_ui.form_rearrange', [
      'js' => 'nojs',
      'view' => $view
        ->id(),
      'display_id' => $display['id'],
      'type' => $type,
    ]);
    $class = 'icon compact rearrange';

    // Different types now have different rearrange forms, so we use this switch
    // to get the right one.
    switch ($type) {
      case 'filter':

        // The rearrange form for filters contains the and/or UI, so override
        // the used path.
        $rearrange_url = Url::fromRoute('views_ui.form_rearrange_filter', [
          'js' => 'nojs',
          'view' => $view
            ->id(),
          'display_id' => $display['id'],
        ]);

        // TODO: Add another class to have another symbol for filter rearrange.
        $class = 'icon compact rearrange';
        break;
      case 'field':

        // Fetch the style plugin info so we know whether to list fields or not.
        $style_plugin = $executable->style_plugin;
        $uses_fields = $style_plugin && $style_plugin
          ->usesFields();
        if (!$uses_fields) {
          $build['fields'][] = [
            '#markup' => $this
              ->t('The selected style or row format does not use fields.'),
            '#theme_wrappers' => [
              'views_ui_container',
            ],
            '#attributes' => [
              'class' => [
                'views-display-setting',
              ],
            ],
          ];
          return $build;
        }
        break;
      case 'header':
      case 'footer':
      case 'empty':
        if (!$executable->display_handler
          ->usesAreas()) {
          $build[$type][] = [
            '#markup' => $this
              ->t('The selected display type does not use @type plugins', [
              '@type' => $type,
            ]),
            '#theme_wrappers' => [
              'views_ui_container',
            ],
            '#attributes' => [
              'class' => [
                'views-display-setting',
              ],
            ],
          ];
          return $build;
        }
        break;
    }

    // Create an array of actions to pass to links template.
    $actions = [];
    $count_handlers = count($executable->display_handler
      ->getHandlers($type));

    // Create the add text variable for the add action.
    $add_text = $this
      ->t('Add <span class="visually-hidden">@type</span>', [
      '@type' => $types[$type]['ltitle'],
    ]);
    $actions['add'] = [
      'title' => $add_text,
      'url' => Url::fromRoute('views_ui.form_add_handler', [
        'js' => 'nojs',
        'view' => $view
          ->id(),
        'display_id' => $display['id'],
        'type' => $type,
      ]),
      'attributes' => [
        'class' => [
          'icon compact add',
          'views-ajax-link',
        ],
        'id' => 'views-add-' . $type,
      ],
    ];
    if ($count_handlers > 0) {

      // Create the rearrange text variable for the rearrange action.
      $rearrange_text = $type == 'filter' ? $this
        ->t('And/Or Rearrange <span class="visually-hidden">filter criteria</span>') : $this
        ->t('Rearrange <span class="visually-hidden">@type</span>', [
        '@type' => $types[$type]['ltitle'],
      ]);
      $actions['rearrange'] = [
        'title' => $rearrange_text,
        'url' => $rearrange_url,
        'attributes' => [
          'class' => [
            $class,
            'views-ajax-link',
          ],
          'id' => 'views-rearrange-' . $type,
        ],
      ];
    }

    // Render the array of links
    $build['#actions'] = [
      '#type' => 'dropbutton',
      '#links' => $actions,
      '#attributes' => [
        'class' => [
          'views-ui-settings-bucket-operations',
        ],
      ],
    ];
    if (!$executable->display_handler
      ->isDefaultDisplay()) {
      if (!$executable->display_handler
        ->isDefaulted($types[$type]['plural'])) {
        $build['#overridden'] = TRUE;
      }
      else {
        $build['#defaulted'] = TRUE;
      }
    }
    static $relationships = NULL;
    if (!isset($relationships)) {

      // Get relationship labels.
      $relationships = [];
      foreach ($executable->display_handler
        ->getHandlers('relationship') as $id => $handler) {
        $relationships[$id] = $handler
          ->adminLabel();
      }
    }

    // Filters can now be grouped so we do a little bit extra:
    $groups = [];
    $grouping = FALSE;
    if ($type == 'filter') {
      $group_info = $executable->display_handler
        ->getOption('filter_groups');

      // If there is only one group but it is using the "OR" filter, we still
      // treat it as a group for display purposes, since we want to display the
      // "OR" label next to items within the group.
      if (!empty($group_info['groups']) && (count($group_info['groups']) > 1 || current($group_info['groups']) == 'OR')) {
        $grouping = TRUE;
        $groups = [
          0 => [],
        ];
      }
    }
    $build['fields'] = [];
    foreach ($executable->display_handler
      ->getOption($types[$type]['plural']) as $id => $field) {

      // Build the option link for this handler ("Node: ID = article").
      $build['fields'][$id] = [];
      $build['fields'][$id]['#theme'] = 'views_ui_display_tab_setting';
      $handler = $executable->display_handler
        ->getHandler($type, $id);
      if ($handler
        ->broken()) {
        $build['fields'][$id]['#class'][] = 'broken';
        $field_name = $handler
          ->adminLabel();
        $build['fields'][$id]['#link'] = Link::fromTextAndUrl($field_name, new Url('views_ui.form_handler', [
          'js' => 'nojs',
          'view' => $view
            ->id(),
          'display_id' => $display['id'],
          'type' => $type,
          'id' => $id,
        ], [
          'attributes' => [
            'class' => [
              'views-ajax-link',
            ],
          ],
        ]))
          ->toString();
        continue;
      }
      $field_name = $handler
        ->adminLabel(TRUE);
      if (!empty($field['relationship']) && !empty($relationships[$field['relationship']])) {
        $field_name = '(' . $relationships[$field['relationship']] . ') ' . $field_name;
      }
      $description = $handler
        ->adminSummary();
      $link_text = $field_name . (empty($description) ? '' : " ({$description})");
      $link_attributes = [
        'class' => [
          'views-ajax-link',
        ],
      ];
      if (!empty($field['exclude'])) {
        $link_attributes['class'][] = 'views-field-excluded';

        // Add a [hidden] marker, if the field is excluded.
        $link_text .= ' [' . $this
          ->t('hidden') . ']';
      }
      $build['fields'][$id]['#link'] = Link::fromTextAndUrl($link_text, new Url('views_ui.form_handler', [
        'js' => 'nojs',
        'view' => $view
          ->id(),
        'display_id' => $display['id'],
        'type' => $type,
        'id' => $id,
      ], [
        'attributes' => $link_attributes,
      ]))
        ->toString();
      $build['fields'][$id]['#class'][] = Html::cleanCssIdentifier($display['id'] . '-' . $type . '-' . $id);
      if ($executable->display_handler
        ->useGroupBy() && $handler
        ->usesGroupBy()) {
        $build['fields'][$id]['#settings_links'][] = Link::fromTextAndUrl(new FormattableMarkup('<span class="label">@text</span>', [
          '@text' => $this
            ->t('Aggregation settings'),
        ]), new Url('views_ui.form_handler_group', [
          'js' => 'nojs',
          'view' => $view
            ->id(),
          'display_id' => $display['id'],
          'type' => $type,
          'id' => $id,
        ], [
          'attributes' => [
            'class' => [
              'views-button-configure',
              'views-ajax-link',
            ],
            'title' => $this
              ->t('Aggregation settings'),
          ],
        ]))
          ->toString();
      }
      if ($handler
        ->hasExtraOptions()) {
        $build['fields'][$id]['#settings_links'][] = Link::fromTextAndUrl(new FormattableMarkup('<span class="label">@text</span>', [
          '@text' => $this
            ->t('Settings'),
        ]), new Url('views_ui.form_handler_extra', [
          'js' => 'nojs',
          'view' => $view
            ->id(),
          'display_id' => $display['id'],
          'type' => $type,
          'id' => $id,
        ], [
          'attributes' => [
            'class' => [
              'views-button-configure',
              'views-ajax-link',
            ],
            'title' => $this
              ->t('Settings'),
          ],
        ]))
          ->toString();
      }
      if ($grouping) {
        $gid = $handler->options['group'];

        // Show in default group if the group does not exist.
        if (empty($group_info['groups'][$gid])) {
          $gid = 0;
        }
        $groups[$gid][] = $id;
      }
    }

    // If using grouping, re-order fields so that they show up properly in the list.
    if ($type == 'filter' && $grouping) {
      $store = $build['fields'];
      $build['fields'] = [];
      foreach ($groups as $gid => $contents) {

        // Display an operator between each group.
        if (!empty($build['fields'])) {
          $build['fields'][] = [
            '#theme' => 'views_ui_display_tab_setting',
            '#class' => [
              'views-group-text',
            ],
            '#link' => $group_info['operator'] == 'OR' ? $this
              ->t('OR') : $this
              ->t('AND'),
          ];
        }

        // Display an operator between each pair of filters within the group.
        $keys = array_keys($contents);
        $last = end($keys);
        foreach ($contents as $key => $pid) {
          if ($key != $last) {
            $operator = $group_info['groups'][$gid] == 'OR' ? $this
              ->t('OR') : $this
              ->t('AND');
            $store[$pid]['#link'] = new FormattableMarkup('@link <span>@operator</span>', [
              '@link' => $store[$pid]['#link'],
              '@operator' => $operator,
            ]);
          }
          $build['fields'][$pid] = $store[$pid];
        }
      }
    }
    return $build;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property	An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds	protected	property	An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep	public	function		1
DependencySerializationTrait::__wakeup	public	function		2
EntityForm::$entity	protected	property	The entity being used by this form.	7
EntityForm::$entityTypeManager	protected	property	The entity type manager.	3
EntityForm::$moduleHandler	protected	property	The module handler service.
EntityForm::$operation	protected	property	The name of the current operation.
EntityForm::$privateEntityManager	private	property	The entity manager.
EntityForm::actionsElement	protected	function	Returns the action form element for the current entity form.
EntityForm::afterBuild	public	function	Form element #after_build callback: Updates the entity with submitted data.
EntityForm::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity	2
EntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties	7
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	5
EntityForm::getEntity	public	function	Gets the form entity. Overrides EntityFormInterface::getEntity
EntityForm::getEntityFromRouteMatch	public	function	Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch	1
EntityForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId	10
EntityForm::getOperation	public	function	Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::prepareInvokeAll	protected	function	Invokes the specified prepare hook variant.
EntityForm::processForm	public	function	Process callback: assigns weights and hides extra fields.
EntityForm::setEntity	public	function	Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityManager	public	function	Sets the entity manager for this form. Overrides EntityFormInterface::setEntityManager
EntityForm::setEntityTypeManager	public	function	Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler	public	function	Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation	public	function	Sets the operation for this form. Overrides EntityFormInterface::setOperation
EntityForm::submitForm	public	function	This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides FormInterface::submitForm	17
EntityForm::__get	public	function
EntityForm::__set	public	function
FormBase::$configFactory	protected	property	The config factory.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	1
FormBase::container	private	function	Returns the service container.
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator Deprecated	protected	function	Returns the link generator.
LinkGeneratorTrait::l Deprecated	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated	public	function	Sets the link generator service.
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	1
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated	protected	function	Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated	public	function	Sets the URL generator service.
UrlGeneratorTrait::url Deprecated	protected	function	Generates a URL or path for a specific route based on the given parameters.
ViewEditForm::$dateFormatter	protected	property	The date formatter service.
ViewEditForm::$elementInfo	protected	property	The element info manager.
ViewEditForm::$requestStack	protected	property	The request object. Overrides FormBase::$requestStack
ViewEditForm::$tempStore	protected	property	The views temp store.
ViewEditForm::actions	protected	function	Returns an array of supported actions for the current entity form. Overrides EntityForm::actions
ViewEditForm::buildOptionForm	public	function	Build a renderable array representing one option on the edit form.
ViewEditForm::cancel	public	function	Form submission handler for the 'cancel' action.
ViewEditForm::create	public static	function	Instantiates a new instance of this class. Overrides FormBase::create
ViewEditForm::form	public	function	Gets the actual form array to be built. Overrides EntityForm::form
ViewEditForm::getDisplayDetails	public	function	Helper function to get the display details section of the edit UI.
ViewEditForm::getDisplayTab	public	function	Returns a renderable array representing the edit page for one display.
ViewEditForm::getFormBucket	public	function	Add information about a section to a display.
ViewEditForm::rebuildCurrentTab	public	function	Regenerate the current tab for AJAX updates.
ViewEditForm::renderDisplayTop	public	function	Render the top of the display so it can be updated during ajax operations.
ViewEditForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityForm::save
ViewEditForm::submitDelayDestination	public	function	Submit handler for form buttons that do not complete a form workflow.
ViewEditForm::submitDisplayAdd	public	function	Submit handler to add a display to a view.
ViewEditForm::submitDisplayDelete	public	function	Submit handler to delete a display from a view.
ViewEditForm::submitDisplayDisable	public	function	Submit handler to disable display.
ViewEditForm::submitDisplayDuplicate	public	function	Submit handler to duplicate a display for a view.
ViewEditForm::submitDisplayEnable	public	function	Submit handler to enable a disabled display.
ViewEditForm::submitDisplayUndoDelete	public	function	Submit handler to add a restore a removed display to a view.
ViewEditForm::submitDuplicateDisplayAsType	public	function	Submit handler to Duplicate a display as another display type.
ViewEditForm::validateForm	public	function	Form validation handler. Overrides FormBase::validateForm
ViewEditForm::__construct	public	function	Constructs a new ViewEditForm object.
ViewFormBase::$displayID	protected	property	The name of the display used by the form.
ViewFormBase::buildForm	public	function	Form constructor. Overrides EntityForm::buildForm
ViewFormBase::getDisplayLabel	public	function	Placeholder function for overriding $display['display_title'].
ViewFormBase::getDisplayTabs	public	function	Adds tabs for navigating across Displays when editing a View.
ViewFormBase::init	public	function	Initialize the form state and the entity before the first form build. Overrides EntityForm::init
ViewFormBase::isDefaultDisplayShown	public	function	Controls whether or not the default display should have its own tab on edit.
ViewFormBase::prepareEntity	protected	function	Prepares the entity object before the form is built first. Overrides EntityForm::prepareEntity	2

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class ViewEditForm in Drupal 8

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