PHP NestedArray::getValue方法代码示例

 /**
  * Button #submit callback: Triggers submission of element forms.
  *
  * @param array $form
  *   The form.
  * @param \Drupal\Core\Form\FormStateInterface $form_state
  *   The form state.
  */
 public static function trigger($form, FormStateInterface $form_state)
 {
     $triggered_element = $form_state->getTriggeringElement();
     if (!empty($triggered_element['#ief_submit_trigger_all'])) {
         // The parent form was submitted, process all IEFs and their children.
         static::doSubmit($form, $form_state);
     } else {
         // A specific element was submitted, process it and all of its children.
         $array_parents = $triggered_element['#array_parents'];
         $array_parents = array_slice($array_parents, 0, -2);
         $element = NestedArray::getValue($form, $array_parents);
         static::doSubmit($element, $form_state);
     }
 }

 /**
  * Ajax callback to render a sample of the input date format.
  *
  * @param array $form
  *   Form API array structure.
  * @param \Drupal\Core\Form\FormStateInterface $form_state
  *   Form state information.
  *
  * @return AjaxResponse
  *   Ajax response with the rendered sample date using the given format. If
  *   the given format cannot be identified or was empty, the response will
  *   be empty as well.
  */
 public static function ajaxSample(array $form, FormStateInterface $form_state)
 {
     $response = new AjaxResponse();
     $format_value = NestedArray::getValue($form_state->getValues(), $form_state->getTriggeringElement()['#array_parents']);
     if (!empty($format_value)) {
         // Format the date with a custom date format with the given pattern.
         // The object is not instantiated in an Ajax context, so $this->t()
         // cannot be used here.
         $format = t('Displayed as %date_format', array('%date_format' => \Drupal::service('date.formatter')->format(REQUEST_TIME, 'custom', $format_value)));
         // Return a command instead of a string, since the Ajax framework
         // automatically prepends an additional empty DIV element for a string,
         // which breaks the layout.
         $response->addCommand(new ReplaceCommand('#edit-date-format-suffix', '<small id="edit-date-format-suffix">' . $format . '</small>'));
     }
     return $response;
 }

 /**
  * Implements #element_validate callback for self::fieldSettingsForm().
  */
 public static function fieldSettingsFormValidate(array $element, FormStateInterface $form_state)
 {
     $add_more_button_form_parents = array_merge($element['#array_parents'], ['line_items', 'add_more', 'add']);
     // Only set the field settings as a value when it is not the "Add more"
     // button that has been clicked.
     $triggering_element = $form_state->getTriggeringElement();
     if ($triggering_element['#array_parents'] != $add_more_button_form_parents) {
         $values = $form_state->getValues();
         $values = NestedArray::getValue($values, $element['#array_parents']);
         $line_items_data = [];
         foreach (PaymentLineItemsInput::getLineItems($element['line_items'], $form_state) as $line_item) {
             $line_items_data[] = ['plugin_id' => $line_item->getPluginId(), 'plugin_configuration' => $line_item->getConfiguration()];
         }
         $value = ['currency_code' => $values['currency_code'], 'line_items_data' => $line_items_data];
         $form_state->setValueForElement($element, $value);
     }
 }

 /**
  * Ajax callback to remove a field collection from a multi-valued field.
  *
  * @param array $form
  * @param \Drupal\Core\Form\FormStateInterface $form_state
  *
  * @return \Drupal\Core\Ajax\AjaxResponse
  *   An AjaxResponse object.
  */
 function ajaxRemove(array $form, FormStateInterface &$form_state)
 {
     // Process user input. $form and $form_state are modified in the process.
     //\Drupal::formBuilder()->processForm($form['#form_id'], $form, $form_state);
     // Retrieve the element to be rendered.
     $trigger = $form_state->getTriggeringElement();
     $form_parents = explode('/', $trigger['#ajax']['options']['query']['element_parents']);
     $address = array_slice($form_parents, 0, -1);
     $form = NestedArray::getValue($form, $address);
     $status_messages = array('#theme' => 'status_messages');
     $renderer = \Drupal::service('renderer');
     $form['#prefix'] = empty($form['#prefix']) ? $renderer->render($status_messages) : $form['#prefix'] . $renderer->render($status_messages);
     $output = $renderer->render($form);
     drupal_process_attached($form);
     // TODO: Preserve javascript.  See https://www.drupal.org/node/2502743 .
     $response = new AjaxResponse();
     return $response->addCommand(new ReplaceCommand(NULL, $output));
 }

 /**
  * {@inheritdoc}
  */
 public function buildForm(array $form, FormStateInterface $form_state, FilterFormat $filter_format = NULL)
 {
     // Add AJAX support.
     $form['#prefix'] = '<div id="video-embed-dialog-form">';
     $form['#suffix'] = '</div>';
     // Ensure relevant dialog libraries are attached.
     $form['#attached']['library'][] = 'editor/drupal.editor.dialog';
     // Simple URL field and submit button for video URL.
     $form['video_url'] = ['#type' => 'textfield', '#title' => $this->t('Video URL'), '#required' => TRUE, '#default_value' => $this->getUserInput($form_state, 'video_url')];
     // If no settings are found, use the defaults configured in the filter
     // formats interface.
     $settings = $this->getUserInput($form_state, 'settings');
     if (empty($settings) && ($editor = Editor::load($filter_format->id()))) {
         $editor_settings = $editor->getSettings();
         $plugin_settings = NestedArray::getValue($editor_settings, ['plugins', 'video_embed', 'defaults', 'children']);
         $settings = $plugin_settings ? $plugin_settings : [];
     }
     // Create a settings form from the existing video formatter.
     $form['settings'] = Video::mockInstance($settings)->settingsForm([], new FormState());
     $form['settings']['#type'] = 'fieldset';
     $form['settings']['#title'] = $this->t('Settings');
     $form['actions'] = ['#type' => 'actions'];
     $form['actions']['save_modal'] = ['#type' => 'submit', '#value' => $this->t('Save'), '#submit' => [], '#ajax' => ['callback' => '::ajaxSubmit', 'event' => 'click', 'wrapper' => 'video-embed-dialog-form']];
     return $form;
 }

 public function validateForm(array &$element, array &$form_state, \Payment $payment)
 {
     $values = \Drupal\Component\Utility\NestedArray::getValue($form_state['values'], $element['#parents']);
     if (!empty($values['send_transfer_form'])) {
         $payment->method_data['send_transfer_form'] = $values['send_transfer_form'];
     }
 }

 /**
  * {@inheritdoc}
  */
 public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property)
 {
     $new_value = $value;
     if (is_array($value)) {
         if (!$value) {
             throw new MigrateException('Can not lookup without a value.');
         }
     } else {
         $new_value = array($value);
     }
     $new_value = NestedArray::getValue($this->configuration['map'], $new_value, $key_exists);
     if (!$key_exists) {
         if (array_key_exists('default_value', $this->configuration)) {
             if (!empty($this->configuration['bypass'])) {
                 throw new MigrateException('Setting both default_value and bypass is invalid.');
             }
             return $this->configuration['default_value'];
         }
         if (empty($this->configuration['bypass'])) {
             throw new MigrateSkipRowException();
         } else {
             return $value;
         }
     }
     return $new_value;
 }

 /**
  * {@inheritdoc}
  */
 public function settingsForm(array $form, FormStateInterface $form_state, Editor $editor)
 {
     $editor_settings = $editor->getSettings();
     $plugin_settings = NestedArray::getValue($editor_settings, ['plugins', 'video_embed', 'defaults', 'children']);
     $settings = $plugin_settings ?: [];
     $form['defaults'] = ['#title' => $this->t('Default Settings'), '#type' => 'fieldset', '#tree' => TRUE, 'children' => Video::mockInstance($settings)->settingsForm([], new FormState())];
     return $form;
 }

 public function validateForm(array &$element, array &$form_state, \Payment $payment)
 {
     $values = \Drupal\Component\Utility\NestedArray::getValue($form_state['values'], $element['#parents']);
     $this->validateValues($element, $values);
     // Merge in validated fields.
     foreach (array('issuer', 'credit_card_number', 'secure_code', 'expiry_date') as $key) {
         $payment->method_data[$key] = $values[$key];
     }
 }

 /**
  * Listener for migration imports.
  */
 public function onMigrateImport(MigrateImportEvent $event)
 {
     $migration = $event->getMigration();
     $configuration = $migration->getDestinationConfiguration();
     $entity_types = NestedArray::getValue($configuration, ['content_translation_update_definitions']);
     if ($entity_types) {
         $entity_types = array_intersect_key($this->entityManager->getDefinitions(), array_flip($entity_types));
         $this->updateDefinitions($entity_types);
     }
 }

 /**
  * {@inheritdoc}
  */
 public function massageFormValues(array $values, array $form, FormStateInterface $form_state)
 {
     $massaged_values = [];
     foreach ($values as $delta => $item_values) {
         $element = NestedArray::getValue($form, array_slice($item_values['array_parents'], count($form['#array_parents'])));
         $plugin_selector = static::getPluginSelector($form_state, $element);
         $plugin_selector->submitSelectorForm($element['plugin_selector'], $form_state);
         $massaged_values[$delta] = ['plugin_instance' => $plugin_selector->getSelectedPlugin()];
     }
     return $massaged_values;
 }

 /**
  * {@inheritdoc}
  */
 public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property)
 {
     if (!is_array($value)) {
         throw new MigrateException('Input should be an array.');
     }
     $new_value = NestedArray::getValue($value, $this->configuration['index'], $key_exists);
     if (!$key_exists) {
         throw new MigrateException('Array index missing, extraction failed.');
     }
     return $new_value;
 }

 /**
  * Processes AJAX file uploads and deletions.
  *
  * @param \Symfony\Component\HttpFoundation\Request $request
  *   The current request object.
  *
  * @return \Drupal\Core\Ajax\AjaxResponse
  *   An AjaxResponse object.
  */
 public function upload(Request $request)
 {
     $form_parents = explode('/', $request->query->get('element_parents'));
     $form_build_id = $request->query->get('form_build_id');
     $request_form_build_id = $request->request->get('form_build_id');
     if (empty($request_form_build_id) || $form_build_id !== $request_form_build_id) {
         // Invalid request.
         drupal_set_message(t('An unrecoverable error occurred. The uploaded file likely exceeded the maximum file size (@size) that this server supports.', array('@size' => format_size(file_upload_max_size()))), 'error');
         $response = new AjaxResponse();
         $status_messages = array('#theme' => 'status_messages');
         return $response->addCommand(new ReplaceCommand(NULL, drupal_render($status_messages)));
     }
     try {
         /** @var $ajaxForm \Drupal\system\FileAjaxForm */
         $ajaxForm = $this->getForm($request);
         $form = $ajaxForm->getForm();
         $form_state = $ajaxForm->getFormState();
         $commands = $ajaxForm->getCommands();
     } catch (HttpExceptionInterface $e) {
         // Invalid form_build_id.
         drupal_set_message(t('An unrecoverable error occurred. Use of this form has expired. Try reloading the page and submitting again.'), 'error');
         $response = new AjaxResponse();
         $status_messages = array('#theme' => 'status_messages');
         return $response->addCommand(new ReplaceCommand(NULL, drupal_render($status_messages)));
     }
     // Get the current element and count the number of files.
     $current_element = NestedArray::getValue($form, $form_parents);
     $current_file_count = isset($current_element['#file_upload_delta']) ? $current_element['#file_upload_delta'] : 0;
     // Process user input. $form and $form_state are modified in the process.
     drupal_process_form($form['#form_id'], $form, $form_state);
     // Retrieve the element to be rendered.
     $form = NestedArray::getValue($form, $form_parents);
     // Add the special Ajax class if a new file was added.
     if (isset($form['#file_upload_delta']) && $current_file_count < $form['#file_upload_delta']) {
         $form[$current_file_count]['#attributes']['class'][] = 'ajax-new-content';
     } else {
         $form['#suffix'] .= '<span class="ajax-new-content"></span>';
     }
     $status_messages = array('#theme' => 'status_messages');
     $form['#prefix'] .= drupal_render($status_messages);
     $output = drupal_render($form);
     drupal_process_attached($form);
     $js = _drupal_add_js();
     $settings = drupal_merge_js_settings($js['settings']['data']);
     $response = new AjaxResponse();
     foreach ($commands as $command) {
         $response->addCommand($command, TRUE);
     }
     return $response->addCommand(new ReplaceCommand(NULL, $output, $settings));
 }

 /**
  * Global #process callback for form elements.
  *
  * @param array $element
  *   The element render array.
  * @param \Drupal\Core\Form\FormStateInterface $form_state
  *   The current state of the form.
  * @param array $complete_form
  *   The complete form structure.
  *
  * @return array
  *   The altered element array.
  *
  * @see \Drupal\bootstrap\Plugin\Alter\ElementInfo::alter
  */
 public static function process(array $element, FormStateInterface $form_state, array &$complete_form)
 {
     if (!empty($element['#bootstrap_ignore_process'])) {
         return $element;
     }
     static $theme;
     if (!isset($theme)) {
         $theme = Bootstrap::getTheme();
     }
     $e = Element::create($element, $form_state);
     // Add "form-inline" class.
     if ($e->hasClass('container-inline')) {
         $e->replaceClass('container-inline', 'form-inline');
     }
     if ($e->isType(['color', 'date', 'number', 'password', 'password_confirm', 'range', 'tel', 'weight'])) {
         $e->addClass('form-inline', 'wrapper_attributes');
     }
     // Add "form-group" class, don't replace "form-wrapper" as that is needed
     // by some JavaScript for certain functionality to work.
     if ($e->hasClass('form-wrapper')) {
         $e->addClass('form-group');
     }
     // Check for errors and set the "has_error" property flag.
     $errors = $e->getError();
     $e->setProperty('errors', $errors);
     if (isset($errors) || $e->getProperty('required') && $theme->getSetting('forms_required_has_error')) {
         $e->setProperty('has_error', TRUE);
     }
     // Automatically inject the nearest button found after this element if
     // #input_group_button exists.
     if ($e->getProperty('input_group_button')) {
         // Obtain the parent array to limit search.
         $array_parents = $e->getProperty('array_parents', []);
         // Remove the current element from the array.
         array_pop($array_parents);
         // If element is nested, return the referenced parent from the form.
         // Otherwise return the complete form.
         $parent = Element::create($array_parents ? NestedArray::getValue($complete_form, $array_parents) : $complete_form, $form_state);
         // Find the closest button.
         if ($button = self::findButton($parent)) {
             $e->setProperty('field_suffix', $button->setIcon()->getArray());
             $button->setProperty('access', FALSE);
         }
     }
     return $element;
 }

 /**
  * Get all system variables
  *
  * @return array()
  */
 public function getVariablesData()
 {
     $data = array();
     $variables = array('acquia_spi_send_node_user', 'acquia_spi_admin_priv', 'acquia_spi_module_diff_data', 'acquia_spi_send_watchdog', 'acquia_spi_use_cron', 'cache_backends', 'cache_default_class', 'cache_inc', 'cron_safe_threshold', 'googleanalytics_cache', 'error_level', 'preprocess_js', 'page_cache_maximum_age', 'block_cache', 'preprocess_css', 'page_compression', 'cache', 'cache_lifetime', 'cron_last', 'clean_url', 'redirect_global_clean', 'theme_zen_settings', 'site_offline', 'site_name', 'user_register', 'user_signatures', 'user_admin_role', 'user_email_verification', 'user_cancel_method', 'filter_fallback_format', 'dblog_row_limit', 'date_default_timezone', 'file_default_scheme', 'install_profile', 'maintenance_mode', 'update_last_check', 'site_default_country', 'acquia_spi_saved_variables', 'acquia_spi_set_variables_automatic', 'acquia_spi_ignored_set_variables', 'acquia_spi_set_variables_override');
     $allConfigData = self::getAllConfigs();
     $spi_def_vars = \Drupal::config('acquia_connector.settings')->get('spi.def_vars');
     $waived_spi_def_vars = \Drupal::config('acquia_connector.settings')->get('spi.def_waived_vars');
     // Merge hard coded $variables with vars from SPI definition.
     foreach ($spi_def_vars as $var_name => $var) {
         if (!in_array($var_name, $waived_spi_def_vars) && !in_array($var_name, $variables)) {
             $variables[] = $var_name;
         }
     }
     // @todo Add comment settings for node types.
     foreach ($variables as $name) {
         if (!empty($this->mapping[$name])) {
             // state
             if ($this->mapping[$name][0] == 'state' and !empty($this->mapping[$name][1])) {
                 $data[$name] = \Drupal::state()->get($this->mapping[$name][1]);
             } elseif ($this->mapping[$name][0] == 'settings' and !empty($this->mapping[$name][1])) {
                 $data[$name] = Settings::get($this->mapping[$name][1]);
             } else {
                 $key_exists = NULL;
                 $value = Utility\NestedArray::getValue($allConfigData, $this->mapping[$name], $key_exists);
                 if ($key_exists) {
                     $data[$name] = $value;
                 } else {
                     $data[$name] = 0;
                 }
             }
         } else {
             // @todo: Implement D8 way to update variables mapping.
             $data[$name] = 'Variable not implemented.';
         }
     }
     // Unset waived vars so they won't be sent to NSPI.
     foreach ($data as $var_name => $var) {
         if (in_array($var_name, $waived_spi_def_vars)) {
             unset($data[$var_name]);
         }
     }
     // Collapse to JSON string to simplify transport.
     return Json::encode($data);
 }