+++ /dev/null
-<?php
-
-namespace Drupal\paragraphs;
-
-use Drupal\Component\Plugin\PluginBase;
-use Drupal\Component\Utility\NestedArray;
-use Drupal\Core\Entity\EntityFieldManager;
-use Drupal\Core\Field\FieldConfigInterface;
-use Drupal\Core\Form\FormStateInterface;
-use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
-use Drupal\Core\StringTranslation\StringTranslationTrait;
-use Drupal\paragraphs\Entity\Paragraph;
-use Drupal\paragraphs\Entity\ParagraphsType;
-use Symfony\Component\DependencyInjection\ContainerInterface;
-
-abstract class ParagraphsBehaviorBase extends PluginBase implements ParagraphsBehaviorInterface, ContainerFactoryPluginInterface {
-
- use StringTranslationTrait;
-
- /**
- * The entity field manager.
- *
- * @var \Drupal\Core\Entity\EntityFieldManagerInterface
- */
- protected $entityFieldManager;
-
- /**
- * Constructs a ParagraphsBehaviorBase object.
- *
- * @param array $configuration
- * A configuration array containing information about the plugin instance.
- * @param string $plugin_id
- * The plugin_id for the plugin instance.
- * @param mixed $plugin_definition
- * The plugin implementation definition.
- * @param \Drupal\Core\Entity\EntityFieldManager $entity_field_manager
- * The entity field manager.
- */
- public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityFieldManager $entity_field_manager) {
- parent::__construct($configuration, $plugin_id, $plugin_definition);
- $this->configuration += $this->defaultConfiguration();
- $this->entityFieldManager = $entity_field_manager;
- }
-
- /**
- * {@inheritdoc}
- */
- public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
- return new static($configuration, $plugin_id, $plugin_definition,
- $container->get('entity_field.manager')
- );
- }
-
- /**
- * {@inheritdoc}
- */
- public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
- return $form;
- }
-
- /**
- * {@inheritdoc}
- */
- public function validateConfigurationForm(array &$form, FormStateInterface $form_state) { }
-
- /**
- * {@inheritdoc}
- */
- public function submitConfigurationForm(array &$form, FormStateInterface $form_state) { }
-
- /**
- * {@inheritdoc}
- */
- public function defaultConfiguration() {
- return [];
- }
-
- /**
- * {@inheritdoc}
- */
- public function getConfiguration() {
- return $this->configuration;
- }
-
- /**
- * {@inheritdoc}
- */
- public function setConfiguration(array $configuration) {
- $this->configuration = $configuration + $this->defaultConfiguration();
- }
-
- /**
- * {@inheritdoc}
- */
- public function calculateDependencies() {
- return [];
- }
-
- /**
- * {@inheritdoc}
- */
- public function preprocess(&$variables) { }
-
- /**
- * {@inheritdoc}
- */
- public static function isApplicable(ParagraphsType $paragraphs_type) {
- return TRUE;
- }
-
- /**
- * {@inheritdoc}
- */
- public function settingsSummary(Paragraph $paragraph) {
- return [];
- }
-
- /**
- * {@inheritdoc}
- */
- public function buildBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {
- return $form;
- }
-
- /**
- * {@inheritdoc}
- */
- public function validateBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {}
-
- /**
- * {@inheritdoc}
- */
- public function submitBehaviorForm(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {
- $filtered_values = $this->filterBehaviorFormSubmitValues($paragraph, $form, $form_state);
-
- $paragraph->setBehaviorSettings($this->getPluginId(), $filtered_values);
- }
-
- /**
- * Removes default behavior form values before storing the user-set ones.
- *
- * Default implementation considers a value to be default if and only if it is
- * an empty value. Behavior plugins that do not consider all empty values to
- * be default should override this method or
- * \Drupal\paragraphs\ParagraphsBehaviorBase::submitBehaviorForm.
- *
- * @param \Drupal\paragraphs\ParagraphInterface $paragraph
- * The paragraph.
- * @param array $form
- * An associative array containing the initial structure of the plugin form.
- * @param \Drupal\Core\Form\FormStateInterface $form_state
- * The current state of the form.
- *
- * @return array
- * An associative array of values submitted to the form with all empty
- * leaves removed. Subarrays that only contain empty leaves are also
- * removed.
- */
- protected function filterBehaviorFormSubmitValues(ParagraphInterface $paragraph, array &$form, FormStateInterface $form_state) {
- // Keeps removing empty leaves, until there are none left. So if a subarray
- // only contains empty leaves, that subarray itself will be removed.
- $new_array = $form_state->getValues();
-
- do {
- $old_array = $new_array;
- $new_array = NestedArray::filter($old_array);
- }
- while ($new_array !== $old_array);
-
- return $new_array;
- }
-
- /**
- * {@inheritdoc}
- */
- public function getFieldNameOptions(ParagraphsType $paragraphs_type, $field_type = NULL) {
- $fields = [];
- $field_definitions = $this->entityFieldManager->getFieldDefinitions('paragraph', $paragraphs_type->id());
- foreach ($field_definitions as $name => $definition) {
- if ($field_definitions[$name] instanceof FieldConfigInterface) {
- if (empty($field_type) || $definition->getType() == $field_type) {
- $fields[$name] = $definition->getLabel();
- }
- }
- }
- return $fields;
- }
-
-}