class WebformElementsResource in Webform REST 8

Creates a resource for retrieving webform elements.

Plugin annotation

@RestResource(
  id = "webform_rest_elements",
  label = @Translation("Webform Elements"),
  uri_paths = {
    "canonical" = "/webform_rest/elements/{webform_id}"
  }
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\rest\Plugin\ResourceBase implements ContainerFactoryPluginInterface, ResourceInterface
      • class \Drupal\webform_rest\Plugin\rest\resource\WebformElementsResource

File

src/Plugin/rest/resource/WebformElementsResource.php, line 21

Namespace

Drupal\webform_rest\Plugin\rest\resource

class WebformElementsResource extends ResourceBase {

  /**
   * Responds to GET requests, returns webform elements.
   *
   * @param string $webform_id
   *   Webform ID.
   *
   * @return \Drupal\rest\ResourceResponse
   *   HTTP response object containing webform elements.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\HttpException
   *   Throws HttpException in case of error.
   */
  public function get($webform_id) {
    if (empty($webform_id)) {
      throw new HttpException(t("Webform ID wasn't provided"));
    }

    // Load the webform.
    $webform = Webform::load($webform_id);

    // Basic check to see if something's returned.
    if ($webform) {

      // Grab the form in its entirety.
      $form = $webform
        ->getSubmissionForm();

      // Return only the form elements.
      return new ModifiedResourceResponse($form['elements']);
    }
    throw new HttpException(t("Can't load webform."));
  }

}

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
MessengerTrait::$messenger	protected	property	The messenger.	29
MessengerTrait::messenger	public	function	Gets the messenger.	29
MessengerTrait::setMessenger	public	function	Sets the messenger.
PluginBase::$configuration	protected	property	Configuration information passed into the plugin.	1
PluginBase::$pluginDefinition	protected	property	The plugin implementation definition.	1
PluginBase::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
ResourceBase::$logger	protected	property	A logger instance.
ResourceBase::$serializerFormats	protected	property	The available serialization formats.
ResourceBase::availableMethods	public	function	Returns the available HTTP request methods on this plugin. Overrides ResourceInterface::availableMethods	1
ResourceBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create	3
ResourceBase::getBaseRoute	protected	function	Gets the base route for a particular method.	2
ResourceBase::getBaseRouteRequirements	protected	function	Gets the base route requirements for a particular method.	1
ResourceBase::permissions	public	function	Implements ResourceInterface::permissions(). Overrides ResourceInterface::permissions	2
ResourceBase::requestMethods	protected	function	Provides predefined HTTP request methods.
ResourceBase::routes	public	function	Returns a collection of routes with URL path information for the resource. Overrides ResourceInterface::routes
ResourceBase::__construct	public	function	Constructs a Drupal\rest\Plugin\ResourceBase object. Overrides PluginBase::__construct	3
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.
WebformElementsResource::get	public	function	Responds to GET requests, returns webform elements.