PHP ViewExecutable::getHandlerTypes方法代码示例

 /**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     $types = ViewExecutable::getHandlerTypes();
     $view = $form_state->get('view');
     $display =& $view->getExecutable()->displayHandlers->get($form_state->get('display_id'));
     $remember_groups = array();
     if (!empty($view->form_cache)) {
         $old_fields = $view->form_cache['handlers'];
     } else {
         $old_fields = $display->getOption($types['filter']['plural']);
     }
     $groups = $form_state->getValue('filter_groups');
     // Whatever button was clicked, re-calculate field information.
     $new_fields = $order = array();
     // Make an array with the weights
     foreach ($form_state->getValue('filters') as $field => $info) {
         // add each value that is a field with a weight to our list, but only if
         // it has had its 'removed' checkbox checked.
         if (is_array($info) && empty($info['removed'])) {
             if (isset($info['weight'])) {
                 $order[$field] = $info['weight'];
             }
             if (isset($info['group'])) {
                 $old_fields[$field]['group'] = $info['group'];
                 $remember_groups[$info['group']][] = $field;
             }
         }
     }
     // Sort the array
     asort($order);
     // Create a new list of fields in the new order.
     foreach (array_keys($order) as $field) {
         $new_fields[$field] = $old_fields[$field];
     }
     // If the #group property is set on the clicked button, that means we are
     // either adding or removing a group, not actually updating the filters.
     $triggering_element = $form_state->getTriggeringElement();
     if (!empty($triggering_element['#group'])) {
         if ($triggering_element['#group'] == 'add') {
             // Add a new group
             $groups['groups'][] = 'AND';
         } else {
             // Renumber groups above the removed one down.
             foreach (array_keys($groups['groups']) as $group_id) {
                 if ($group_id >= $triggering_element['#group']) {
                     $old_group = $group_id + 1;
                     if (isset($groups['groups'][$old_group])) {
                         $groups['groups'][$group_id] = $groups['groups'][$old_group];
                         if (isset($remember_groups[$old_group])) {
                             foreach ($remember_groups[$old_group] as $id) {
                                 $new_fields[$id]['group'] = $group_id;
                             }
                         }
                     } else {
                         // If this is the last one, just unset it.
                         unset($groups['groups'][$group_id]);
                     }
                 }
             }
         }
         // Update our cache with values so that cancel still works the way
         // people expect.
         $view->form_cache = ['key' => 'rearrange-filter', 'groups' => $groups, 'handlers' => $new_fields];
         // Return to this form except on actual Update.
         $view->addFormToStack('rearrange-filter', $form_state->get('display_id'), 'filter');
     } else {
         // The actual update button was clicked. Remove the empty groups, and
         // renumber them sequentially.
         ksort($remember_groups);
         $groups['groups'] = static::arrayKeyPlus(array_values(array_intersect_key($groups['groups'], $remember_groups)));
         // Change the 'group' key on each field to match. Here, $mapping is an
         // array whose keys are the old group numbers and whose values are the new
         // (sequentially numbered) ones.
         $mapping = array_flip(static::arrayKeyPlus(array_keys($remember_groups)));
         foreach ($new_fields as &$new_field) {
             $new_field['group'] = $mapping[$new_field['group']];
         }
         // Write the changed handler values.
         $display->setOption($types['filter']['plural'], $new_fields);
         $display->setOption('filter_groups', $groups);
         if (isset($view->form_cache)) {
             unset($view->form_cache);
         }
     }
     // Store in cache.
     $view->cacheSet();
 }

 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state)
 {
     $view = $form_state->get('view');
     $display_id = $form_state->get('display_id');
     $type = $form_state->get('type');
     $id = $form_state->get('id');
     $form = array('options' => array('#tree' => TRUE, '#theme_wrappers' => array('container'), '#attributes' => array('class' => array('scroll'), 'data-drupal-views-scroll' => TRUE)));
     $executable = $view->getExecutable();
     if (!$executable->setDisplay($display_id)) {
         $form['markup'] = array('#markup' => $this->t('Invalid display id @display', array('@display' => $display_id)));
         return $form;
     }
     $executable->initQuery();
     $item = $executable->getHandler($display_id, $type, $id);
     if ($item) {
         $handler = $executable->display_handler->getHandler($type, $id);
         if (empty($handler)) {
             $form['markup'] = array('#markup' => $this->t("Error: handler for @table > @field doesn't exist!", array('@table' => $item['table'], '@field' => $item['field'])));
         } else {
             $handler->init($executable, $executable->display_handler, $item);
             $types = ViewExecutable::getHandlerTypes();
             $form['#title'] = $this->t('Configure aggregation settings for @type %item', array('@type' => $types[$type]['lstitle'], '%item' => $handler->adminLabel()));
             $handler->buildGroupByForm($form['options'], $form_state);
             $form_state->set('handler', $handler);
         }
         $view->getStandardButtons($form, $form_state, 'views_ui_config_item_group_form');
     }
     return $form;
 }

 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state)
 {
     $view = $form_state['view'];
     $display_id = $form_state['display_id'];
     $type = $form_state['type'];
     $id = $form_state['id'];
     $form = array('options' => array('#tree' => true, '#theme_wrappers' => array('container'), '#attributes' => array('class' => array('scroll'), 'data-drupal-views-scroll' => TRUE)));
     $executable = $view->getExecutable();
     $executable->setDisplay($display_id);
     $item = $executable->getHandler($display_id, $type, $id);
     if ($item) {
         $handler = $executable->display_handler->getHandler($type, $id);
         if (empty($handler)) {
             $form['markup'] = array('#markup' => $this->t("Error: handler for @table > @field doesn't exist!", array('@table' => $item['table'], '@field' => $item['field'])));
         } else {
             $handler->init($executable, $executable->display_handler, $item);
             $types = ViewExecutable::getHandlerTypes();
             $form['#title'] = $this->t('Configure extra settings for @type %item', array('@type' => $types[$type]['lstitle'], '%item' => $handler->adminLabel()));
             $form['#section'] = $display_id . '-' . $type . '-' . $id;
             // Get form from the handler.
             $handler->buildExtraOptionsForm($form['options'], $form_state);
             $form_state['handler'] = $handler;
         }
         $view->getStandardButtons($form, $form_state, 'views_ui_config_item_extra_form');
     }
     return $form;
 }

 /**
  * Tests most of the handlers.
  */
 public function testHandlers()
 {
     $this->drupalCreateContentType(array('type' => 'article'));
     $this->addDefaultCommentField('node', 'article');
     $object_types = array_keys(ViewExecutable::getHandlerTypes());
     foreach ($this->container->get('views.views_data')->get() as $base_table => $info) {
         if (!isset($info['table']['base'])) {
             continue;
         }
         $view = entity_create('view', array('base_table' => $base_table));
         $view = $view->getExecutable();
         // @todo The groupwise relationship is currently broken.
         $exclude[] = 'taxonomy_term_field_data:tid_representative';
         $exclude[] = 'users_field_data:uid_representative';
         // Go through all fields and there through all handler types.
         foreach ($info as $field => $field_info) {
             // Table is a reserved key for the metainformation.
             if ($field != 'table' && !in_array("{$base_table}:{$field}", $exclude)) {
                 $item = array('table' => $base_table, 'field' => $field);
                 foreach ($object_types as $type) {
                     if (isset($field_info[$type]['id'])) {
                         $options = array();
                         if ($type == 'filter') {
                             $handler = $this->container->get("plugin.manager.views.{$type}")->getHandler($item);
                             // Set the value to use for the filter based on the filter type.
                             if ($handler instanceof InOperator) {
                                 $options['value'] = array(1);
                             } else {
                                 $options['value'] = 1;
                             }
                         }
                         $view->addHandler('default', $type, $base_table, $field, $options);
                     }
                 }
             }
         }
         // Go through each step individually to see whether some parts are
         // failing.
         $view->build();
         $view->preExecute();
         $view->execute();
         $view->render();
         // Make sure all handlers extend the HandlerBase.
         foreach ($object_types as $type) {
             if (isset($view->{$type})) {
                 foreach ($view->{$type} as $handler) {
                     $this->assertTrue($handler instanceof HandlerBase, format_string('@type handler of class %class is an instance of HandlerBase', array('@type' => $type, '%class' => get_class($handler))));
                 }
             }
         }
     }
 }

 /**
  * {@inheritdoc}
  */
 protected function viewsData()
 {
     $data = parent::viewsData();
     // Override the name handler to be able to call placeholder() from outside.
     $data['views_test_data']['name']['field']['id'] = 'test_field';
     // Setup one field with an access callback and one with an access callback
     // and arguments.
     $data['views_test_data']['access_callback'] = $data['views_test_data']['id'];
     $data['views_test_data']['access_callback_arguments'] = $data['views_test_data']['id'];
     foreach (ViewExecutable::getHandlerTypes() as $type => $info) {
         if (isset($data['views_test_data']['access_callback'][$type]['id'])) {
             $data['views_test_data']['access_callback'][$type]['access callback'] = 'views_test_data_handler_test_access_callback';
             $data['views_test_data']['access_callback_arguments'][$type]['access callback'] = 'views_test_data_handler_test_access_callback_argument';
             $data['views_test_data']['access_callback_arguments'][$type]['access arguments'] = array(TRUE);
         }
     }
     return $data;
 }

 /**
  * Lists all instances of fields on any views.
  *
  * @return array
  *   The Views fields report page.
  */
 public function reportFields()
 {
     $views = $this->entityManager()->getStorage('view')->loadMultiple();
     // Fetch all fieldapi fields which are used in views
     // Therefore search in all views, displays and handler-types.
     $fields = array();
     $handler_types = ViewExecutable::getHandlerTypes();
     foreach ($views as $view) {
         $executable = $view->getExecutable();
         $executable->initDisplay();
         foreach ($executable->displayHandlers as $display_id => $display) {
             if ($executable->setDisplay($display_id)) {
                 foreach ($handler_types as $type => $info) {
                     foreach ($executable->getHandlers($type, $display_id) as $item) {
                         $table_data = $this->viewsData->get($item['table']);
                         if (isset($table_data[$item['field']]) && isset($table_data[$item['field']][$type]) && ($field_data = $table_data[$item['field']][$type])) {
                             // The final check that we have a fieldapi field now.
                             if (isset($field_data['field_name'])) {
                                 $fields[$field_data['field_name']][$view->id()] = $view->id();
                             }
                         }
                     }
                 }
             }
         }
     }
     $header = array(t('Field name'), t('Used in'));
     $rows = array();
     foreach ($fields as $field_name => $views) {
         $rows[$field_name]['data'][0]['data']['#plain_text'] = $field_name;
         foreach ($views as $view) {
             $rows[$field_name]['data'][1][] = $this->l($view, new Url('entity.view.edit_form', array('view' => $view)));
         }
         $item_list = ['#theme' => 'item_list', '#items' => $rows[$field_name]['data'][1], '#context' => ['list_style' => 'comma-list']];
         $rows[$field_name]['data'][1] = ['data' => $item_list];
     }
     // Sort rows by field name.
     ksort($rows);
     $output = array('#type' => 'table', '#header' => $header, '#rows' => $rows, '#empty' => t('No fields have been used in views yet.'));
     return $output;
 }

 /**
  * Lists all instances of fields on any views.
  *
  * @return array
  *   The Views fields report page.
  */
 public function reportFields()
 {
     $views = $this->entityManager()->getStorage('view')->loadMultiple();
     // Fetch all fieldapi fields which are used in views
     // Therefore search in all views, displays and handler-types.
     $fields = array();
     $handler_types = ViewExecutable::getHandlerTypes();
     foreach ($views as $view) {
         $executable = $view->getExecutable();
         $executable->initDisplay();
         foreach ($executable->displayHandlers as $display_id => $display) {
             if ($executable->setDisplay($display_id)) {
                 foreach ($handler_types as $type => $info) {
                     foreach ($executable->getHandlers($type, $display_id) as $item) {
                         $table_data = $this->viewsData->get($item['table']);
                         if (isset($table_data[$item['field']]) && isset($table_data[$item['field']][$type]) && ($field_data = $table_data[$item['field']][$type])) {
                             // The final check that we have a fieldapi field now.
                             if (isset($field_data['field_name'])) {
                                 $fields[$field_data['field_name']][$view->id()] = $view->id();
                             }
                         }
                     }
                 }
             }
         }
     }
     $header = array(t('Field name'), t('Used in'));
     $rows = array();
     foreach ($fields as $field_name => $views) {
         $rows[$field_name]['data'][0] = String::checkPlain($field_name);
         foreach ($views as $view) {
             $rows[$field_name]['data'][1][] = $this->l($view, 'views_ui.edit', array('view' => $view));
         }
         $rows[$field_name]['data'][1] = SafeMarkup::set(implode(', ', $rows[$field_name]['data'][1]));
     }
     // Sort rows by field name.
     ksort($rows);
     $output = array('#type' => 'table', '#header' => $header, '#rows' => $rows, '#empty' => t('No fields have been used in views yet.'));
     return $output;
 }

 /**
  * Submit handler for adding new item(s) to a view.
  */
 public function submitItemAdd($form, FormStateInterface $form_state)
 {
     $type = $form_state->get('type');
     $types = ViewExecutable::getHandlerTypes();
     $section = $types[$type]['plural'];
     $display_id = $form_state->get('display_id');
     // Handle the override select.
     list($was_defaulted, $is_defaulted) = $this->getOverrideValues($form, $form_state);
     if ($was_defaulted && !$is_defaulted) {
         // We were using the default display's values, but we're now overriding
         // the default display and saving values specific to this display.
         $display =& $this->getExecutable()->displayHandlers->get($display_id);
         // setOverride toggles the override of this section.
         $display->setOverride($section);
     } elseif (!$was_defaulted && $is_defaulted) {
         // We used to have an override for this display, but the user now wants
         // to go back to the default display.
         // Overwrite the default display with the current form values, and make
         // the current display use the new default values.
         $display =& $this->getExecutable()->displayHandlers->get($display_id);
         // optionsOverride toggles the override of this section.
         $display->setOverride($section);
     }
     if (!$form_state->isValueEmpty('name') && is_array($form_state->getValue('name'))) {
         // Loop through each of the items that were checked and add them to the view.
         foreach (array_keys(array_filter($form_state->getValue('name'))) as $field) {
             list($table, $field) = explode('.', $field, 2);
             if ($cut = strpos($field, '$')) {
                 $field = substr($field, 0, $cut);
             }
             $id = $this->getExecutable()->addHandler($display_id, $type, $table, $field);
             // check to see if we have group by settings
             $key = $type;
             // Footer,header and empty text have a different internal handler type(area).
             if (isset($types[$type]['type'])) {
                 $key = $types[$type]['type'];
             }
             $item = array('table' => $table, 'field' => $field);
             $handler = Views::handlerManager($key)->getHandler($item);
             if ($this->getExecutable()->displayHandlers->get('default')->useGroupBy() && $handler->usesGroupBy()) {
                 $this->addFormToStack('handler-group', $display_id, $type, $id);
             }
             // check to see if this type has settings, if so add the settings form first
             if ($handler && $handler->hasExtraOptions()) {
                 $this->addFormToStack('handler-extra', $display_id, $type, $id);
             }
             // Then add the form to the stack
             $this->addFormToStack('handler', $display_id, $type, $id);
         }
     }
     if (isset($this->form_cache)) {
         unset($this->form_cache);
     }
     // Store in cache
     $this->cacheSet();
 }

 /**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, array &$form_state)
 {
     // Run it through the handler's submit function.
     $form_state['handler']->submitOptionsForm($form['options'], $form_state);
     $item = $form_state['handler']->options;
     $types = ViewExecutable::getHandlerTypes();
     // For footer/header $handler_type is area but $type is footer/header.
     // For all other handle types it's the same.
     $handler_type = $type = $form_state['type'];
     if (!empty($types[$type]['type'])) {
         $handler_type = $types[$type]['type'];
     }
     $override = NULL;
     $executable = $form_state['view']->getExecutable();
     if ($executable->display_handler->useGroupBy() && !empty($item['group_type'])) {
         if (empty($executable->query)) {
             $executable->initQuery();
         }
         $aggregate = $executable->query->getAggregationInfo();
         if (!empty($aggregate[$item['group_type']]['handler'][$type])) {
             $override = $aggregate[$item['group_type']]['handler'][$type];
         }
     }
     // Create a new handler and unpack the options from the form onto it. We
     // can use that for storage.
     $handler = Views::handlerManager($handler_type)->getHandler($item, $override);
     $handler->init($executable, $executable->display_handler, $item);
     // Add the incoming options to existing options because items using
     // the extra form may not have everything in the form here.
     $options = $form_state['values']['options'] + $form_state['handler']->options;
     // This unpacks only options that are in the definition, ensuring random
     // extra stuff on the form is not sent through.
     $handler->unpackOptions($handler->options, $options, NULL, FALSE);
     // Add any dependencies as the handler is saved. Put it here so
     // it does not need to be declared in defineOptions().
     if ($dependencies = $handler->getDependencies()) {
         $handler->options['dependencies'] = $dependencies;
     }
     // Add the module providing the handler as a dependency as well.
     $handler->options['dependencies']['module'][] = $handler->definition['provider'];
     // Store the item back on the view
     $executable->setHandler($form_state['display_id'], $form_state['type'], $form_state['id'], $handler->options);
     // Ensure any temporary options are removed.
     if (isset($form_state['view']->temporary_options[$type][$form_state['id']])) {
         unset($form_state['view']->temporary_options[$type][$form_state['id']]);
     }
     // Write to cache
     $form_state['view']->cacheSet();
 }

 /**
  * A submit handler that is used for storing temporary items when using
  * multi-step changes, such as ajax requests.
  */
 public function submitTemporaryForm($form, FormStateInterface $form_state)
 {
     // Run it through the handler's submit function.
     $this->submitOptionsForm($form['options'], $form_state);
     $item = $this->options;
     $types = ViewExecutable::getHandlerTypes();
     // For footer/header $handler_type is area but $type is footer/header.
     // For all other handle types it's the same.
     $handler_type = $type = $form_state->get('type');
     if (!empty($types[$type]['type'])) {
         $handler_type = $types[$type]['type'];
     }
     $override = NULL;
     $view = $form_state->get('view');
     $executable = $view->getExecutable();
     if ($executable->display_handler->useGroupBy() && !empty($item['group_type'])) {
         if (empty($executable->query)) {
             $executable->initQuery();
         }
         $aggregate = $executable->query->getAggregationInfo();
         if (!empty($aggregate[$item['group_type']]['handler'][$type])) {
             $override = $aggregate[$item['group_type']]['handler'][$type];
         }
     }
     // Create a new handler and unpack the options from the form onto it. We
     // can use that for storage.
     $handler = Views::handlerManager($handler_type)->getHandler($item, $override);
     $handler->init($executable, $executable->display_handler, $item);
     // Add the incoming options to existing options because items using
     // the extra form may not have everything in the form here.
     $options = $form_state->getValue('options') + $this->options;
     // This unpacks only options that are in the definition, ensuring random
     // extra stuff on the form is not sent through.
     $handler->unpackOptions($handler->options, $options, NULL, FALSE);
     // Store the item back on the view.
     $executable = $view->getExecutable();
     $executable->temporary_options[$type][$form_state->get('id')] = $handler->options;
     // @todo Decide if \Drupal\views_ui\Form\Ajax\ViewsFormBase::getForm() is
     //   perhaps the better place to fix the issue.
     // \Drupal\views_ui\Form\Ajax\ViewsFormBase::getForm() drops the current
     // form from the stack, even if it's an #ajax. So add the item back to the top
     // of the stack.
     $view->addFormToStack($form_state->get('form_key'), $form_state->get('display_id'), $type, $item['id'], TRUE);
     $form_state->get('rerender', TRUE);
     $form_state->setRebuild();
     // Write to cache
     $view->cacheSet();
 }

 /**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     $view = $form_state->get('view');
     $display_id = $form_state->get('display_id');
     $type = $form_state->get('type');
     $types = ViewExecutable::getHandlerTypes();
     $display =& $view->getExecutable()->displayHandlers->get($display_id);
     $old_fields = $display->getOption($types[$type]['plural']);
     $new_fields = $order = array();
     // Make an array with the weights
     foreach ($form_state->getValue('fields') as $field => $info) {
         // add each value that is a field with a weight to our list, but only if
         // it has had its 'removed' checkbox checked.
         if (is_array($info) && isset($info['weight']) && empty($info['removed'])) {
             $order[$field] = $info['weight'];
         }
     }
     // Sort the array
     asort($order);
     // Create a new list of fields in the new order.
     foreach (array_keys($order) as $field) {
         $new_fields[$field] = $old_fields[$field];
     }
     $display->setOption($types[$type]['plural'], $new_fields);
     // Store in cache
     $view->cacheSet();
 }

 /**
  * Tests optional handlers.
  */
 public function testOptionalHandlers()
 {
     $handler_types = ViewExecutable::getHandlerTypes();
     foreach ($handler_types as $type => $type_info) {
         $this->drupalGet('admin/structure/views/view/test_view_optional/edit');
         $href = "admin/structure/views/nojs/handler/test_view_optional/default/{$type}/id_optional";
         $result = $this->xpath('//a[contains(@href, :href)]', array(':href' => $href));
         $this->assertEqual(count($result), 1, String::format('Handler (%type) edit link found.', array('%type' => $type)));
         $text = t('Optional handler is missing (Module: @module) …', array('@module' => 'views'));
         $this->assertIdentical((string) $result[0], $text, 'Ensure the optional handler link text was found.');
         $this->drupalGet($href);
         $result = $this->xpath('//h1');
         $this->assertTrue(strpos((string) $result[0], $text) !== FALSE, 'Ensure the optional handler title was found.');
         $description_args = array('@module' => 'views', '@table' => 'views_test_data', '@field' => 'id_optional');
         foreach ($description_args as $token => $value) {
             $this->assertNoText($token, String::format('Raw @token token placeholder not found.', array('@token' => $token)));
             $this->assertText($value, String::format('Replaced @token value found.', array('@token' => $token)));
         }
     }
 }

 /**
  * Tests ViewExecutable::getHandlerTypes().
  */
 public function testGetHandlerTypes()
 {
     $types = ViewExecutable::getHandlerTypes();
     foreach (array('field', 'filter', 'argument', 'sort', 'header', 'footer', 'empty') as $type) {
         $this->assertTrue(isset($types[$type]));
         // @todo The key on the display should be footers, headers and empties
         //   or something similar instead of the singular, but so long check for
         //   this special case.
         if (isset($types[$type]['type']) && $types[$type]['type'] == 'area') {
             $this->assertEqual($types[$type]['plural'], $type);
         } else {
             $this->assertEqual($types[$type]['plural'], $type . 's');
         }
     }
 }

 /**
  * Setups a view executable and default display.
  *
  * @return array
  *   Returns the view executable and default display.
  */
 protected function setupBaseViewAndDisplay()
 {
     $config = array('id' => 'test_view', 'tag' => 'OnE, TWO, and three', 'display' => ['default' => ['id' => 'default', 'display_plugin' => 'default', 'display_title' => 'Default']]);
     $storage = new View($config, 'view');
     $view = new ViewExecutable($storage, $this->user, $this->viewsData, $this->routeProvider);
     $display = $this->getMockBuilder('Drupal\\views\\Plugin\\views\\display\\DisplayPluginBase')->disableOriginalConstructor()->getMock();
     $display->expects($this->any())->method('getPlugin')->with($this->equalTo('cache'))->willReturn($this->successCache);
     $display->display = $config['display']['default'];
     $view->current_display = 'default';
     $view->display_handler = $display;
     $view->displayHandlers = $this->displayHandlers;
     $view->displayHandlers->expects($this->any())->method('get')->with('default')->willReturn($display);
     $view->displayHandlers->expects($this->any())->method('has')->with('default')->willReturn(TRUE);
     foreach (array_keys($view->getHandlerTypes()) as $type) {
         $view->{$type} = [];
     }
     return array($view, $display);
 }

 /**
  * {@inheritdoc}
  */
 public function submitForm(array &$form, FormStateInterface $form_state)
 {
     $view = $form_state->get('view');
     $display_id = $form_state->get('display_id');
     $id = $form_state->get('id');
     $handler = $form_state->get('handler');
     // Run it through the handler's submit function.
     $handler->submitOptionsForm($form['options'], $form_state);
     $item = $handler->options;
     $types = ViewExecutable::getHandlerTypes();
     // For footer/header $handler_type is area but $type is footer/header.
     // For all other handle types it's the same.
     $handler_type = $type = $form_state->get('type');
     if (!empty($types[$type]['type'])) {
         $handler_type = $types[$type]['type'];
     }
     $override = NULL;
     $executable = $view->getExecutable();
     if ($executable->display_handler->useGroupBy() && !empty($item['group_type'])) {
         if (empty($executable->query)) {
             $executable->initQuery();
         }
         $aggregate = $executable->query->getAggregationInfo();
         if (!empty($aggregate[$item['group_type']]['handler'][$type])) {
             $override = $aggregate[$item['group_type']]['handler'][$type];
         }
     }
     // Create a new handler and unpack the options from the form onto it. We
     // can use that for storage.
     $handler = Views::handlerManager($handler_type)->getHandler($item, $override);
     $handler->init($executable, $executable->display_handler, $item);
     // Add the incoming options to existing options because items using
     // the extra form may not have everything in the form here.
     $options = $form_state->getValue('options') + $handler->options;
     // This unpacks only options that are in the definition, ensuring random
     // extra stuff on the form is not sent through.
     $handler->unpackOptions($handler->options, $options, NULL, FALSE);
     // Store the item back on the view
     $executable->setHandler($display_id, $type, $id, $handler->options);
     // Ensure any temporary options are removed.
     if (isset($view->temporary_options[$type][$id])) {
         unset($view->temporary_options[$type][$id]);
     }
     // Write to cache
     $view->cacheSet();
 }