ExtraFieldTypePluginBase.php in Entity Extra Field 8

Namespace

Drupal\entity_extra_field

File

src/ExtraFieldTypePluginBase.php

<?php

namespace Drupal\entity_extra_field;

use Drupal\Component\Utility\NestedArray;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Entity\ContentEntityTypeInterface;
use Drupal\Core\Entity\EntityFieldManagerInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\PluginBase;
use Drupal\Core\Plugin\PluginDependencyTrait;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Utility\Token;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Define extra field type plugin base.
 */
abstract class ExtraFieldTypePluginBase extends PluginBase implements ExtraFieldTypePluginInterface {
  use PluginDependencyTrait;

  /**
   * @var \Drupal\Core\Utility\Token
   */
  protected $token;

  /**
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;

  /**
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  protected $currentRouteMatch;

  /**
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * Extra field type view constructor.
   *
   * @param array $configuration
   *   The plugin configuration.
   * @param $plugin_id
   *   The plugin identifier.
   * @param $plugin_definition
   *   The plugin definition.
   * @param \Drupal\Core\Utility\Token $token
   *   The token service.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler service.
   * @param \Drupal\Core\Routing\RouteMatchInterface $current_route_match
   *   The current route match service.
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, Token $token, ModuleHandlerInterface $module_handler, RouteMatchInterface $current_route_match, EntityTypeManagerInterface $entity_type_manager, EntityFieldManagerInterface $entity_field_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->token = $token;
    $this->moduleHandler = $module_handler;
    $this->currentRouteMatch = $current_route_match;
    $this->entityTypeManager = $entity_type_manager;
    $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('token'), $container
      ->get('module_handler'), $container
      ->get('current_route_match'), $container
      ->get('entity_type.manager'), $container
      ->get('entity_field.manager'));
  }

  /**
   * {@inheritdoc}
   */
  public function label() {
    return $this->pluginDefinition['label'];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['#prefix'] = '<div id="extra-field-plugin">';
    $form['#suffix'] = '</div>';
    $form['#parents'] = [
      'field_type_config',
    ];
    return $form;
  }

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

    // Intentionally left empty on base class.
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    $this->configuration = $form_state
      ->cleanValues()
      ->getValues();
  }

  /**
   * {@inheritdoc}
   */
  public function setConfiguration(array $configuration) {
    $this->configuration = $configuration;
  }

  /**
   * {@inheritdoc}
   */
  public function getConfiguration() {
    return $this->configuration + $this
      ->defaultConfiguration();
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    return $this->dependencies;
  }

  /**
   * Get extra field plugin ajax.
   *
   * @param array $form
   *   An array of form elements.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state instance.
   *
   * @return array
   *   An array of form elements.
   */
  public function extraFieldPluginAjaxCallback(array $form, FormStateInterface $form_state) {
    return $form['field_type_config'];
  }

  /**
   * Get extra field plugin ajax properties.
   *
   * @return array
   *   An array of common AJAX plugin properties.
   */
  protected function extraFieldPluginAjax() {
    return [
      'wrapper' => 'extra-field-plugin',
      'callback' => [
        $this,
        'extraFieldPluginAjaxCallback',
      ],
    ];
  }

  /**
   * Get target entity type identifier.
   *
   * @return string|null
   *   A target entity type identifier; otherwise NULL.
   */
  protected function getTargetEntityTypeId() {
    return $this->currentRouteMatch
      ->getParameter('entity_type_id') ?: NULL;
  }

  /**
   * Get target entity type bundle.
   *
   * @return \Drupal\Core\Entity\EntityTypeInterface|bool
   *   The target entity type bundle; otherwise FALSE.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getTargetEntityTypeBundle() {
    $entity_type_id = $this
      ->getTargetEntityTypeId();
    $bundle_entity_type = $bundle_entity_type = $this->entityTypeManager
      ->getDefinition($entity_type_id)
      ->getBundleEntityType();
    if (!isset($bundle_entity_type)) {
      return FALSE;
    }
    return $this->currentRouteMatch
      ->getParameter($bundle_entity_type) ?: FALSE;
  }

  /**
   * Get target entity type definition.
   *
   * @return \Drupal\Core\Entity\EntityTypeInterface
   *    The target entity type definition
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getTargetEntityTypeDefinition() {
    return $this->entityTypeManager
      ->getDefinition($this
      ->getTargetEntityTypeId());
  }

  /**
   * Process the entity token text.
   *
   * @param $text
   *   The text that contains the token.
   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
   *   The entity that's related to the text; references are based off this.
   *
   * @return string
   *   The process entity token.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function processEntityToken($text, ContentEntityInterface $entity) {
    return $this->token
      ->replace($text, $this
      ->getEntityTokenData($entity), [
      'clear' => TRUE,
    ]);
  }

  /**
   * Get entity token types.
   *
   * @param $entity_type_id
   *   The entity type identifier.
   * @param $entity_bundle
   *   The entity bundle name.
   *
   * @return array
   *   An array of the entity token types.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getEntityTokenTypes($entity_type_id, $entity_bundle) {
    $types = $this
      ->getEntityFieldReferenceTypes($entity_type_id, $entity_bundle);
    $types = array_values($types);
    if (!in_array($entity_type_id, $types)) {
      $types[] = $entity_type_id;
    }
    return $types;
  }

  /**
   * Get entity token data.
   *
   * @param \Drupal\Core\Entity\ContentEntityInterface $entity
   *   The content entity instance.
   *
   * @return array
   *   An array of token data.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getEntityTokenData(ContentEntityInterface $entity) {
    $field_references = $this
      ->getEntityFieldReferenceTypes($entity
      ->getEntityTypeId(), $entity
      ->bundle());
    $data[$entity
      ->getEntityTypeId()] = $entity;
    foreach ($field_references as $field_name => $target_type) {
      if (!$entity
        ->hasField($field_name) || isset($data[$target_type])) {
        continue;
      }
      $data[$target_type] = $entity->{$field_name}->entity;
    }
    return array_filter($data);
  }

  /**
   * Get entity field reference types.
   *
   * @param $entity_type_id
   *   The entity type identifier.
   * @param $entity_bundle
   *   The entity bundle name.
   *
   * @return array
   *   An array of reference types.
   *
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  protected function getEntityFieldReferenceTypes($entity_type_id, $entity_bundle) {
    $types = [];
    $fields = $this->entityFieldManager
      ->getFieldDefinitions($entity_type_id, $entity_bundle);
    foreach ($fields as $field_name => $field) {
      if ($field
        ->getType() !== 'entity_reference') {
        continue;
      }
      $definition = $field
        ->getFieldStorageDefinition();
      $target_type = $definition
        ->getSetting('target_type');
      if (!isset($target_type) || in_array($target_type, $types)) {
        continue;
      }
      $type_definition = $this->entityTypeManager
        ->getDefinition($target_type);
      if (!$type_definition instanceof ContentEntityTypeInterface) {
        continue;
      }
      $types[$field_name] = $target_type;
    }
    return $types;
  }

  /**
   * Get plugin form state value.
   *
   * @param string|array $key
   *   The element key.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The form state instance.
   * @param null $default
   *   The default value if nothing is found.
   *
   * @return mixed|null
   *   The form value; otherwise FALSE if the value can't be found.
   */
  protected function getPluginFormStateValue($key, FormStateInterface $form_state, $default = NULL) {
    $key = !is_array($key) ? [
      $key,
    ] : $key;
    $inputs = [
      $form_state
        ->cleanValues()
        ->getValues(),
      $this
        ->getConfiguration(),
    ];
    foreach ($inputs as $input) {
      $value = NestedArray::getValue($input, $key, $key_exists);
      if (!isset($value) && !$key_exists) {
        continue;
      }
      return $value;
    }
    return $default;
  }

}

Classes

Name	Description
ExtraFieldTypePluginBase	Define extra field type plugin base.