EntityBundle.php

<?php

namespace Drupal\Core\Entity\Plugin\Condition;

use Drupal\Core\Condition\ConditionPluginBase;
use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides the 'Entity Bundle' condition.
 *
 * @Condition(
 *   id = "entity_bundle",
 *   deriver = "\Drupal\Core\Entity\Plugin\Condition\Deriver\EntityBundle",
 * )
 */
class EntityBundle extends ConditionPluginBase implements ContainerFactoryPluginInterface {
    
    /**
     * The entity type bundle info service.
     *
     * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
     */
    protected $entityTypeBundleInfo;
    
    /**
     * Creates a new EntityBundle instance.
     *
     * @param array $configuration
     *   The plugin configuration, i.e. an array with configuration values keyed
     *   by configuration option name. The special key 'context' may be used to
     *   initialize the defined contexts by setting it to an array of context
     *   values keyed by context names.
     * @param string $plugin_id
     *   The plugin_id for the plugin instance.
     * @param mixed $plugin_definition
     *   The plugin implementation definition.
     * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $entity_type_bundle_info
     *   The entity type bundle info service.
     */
    public function __construct(array $configuration, $plugin_id, $plugin_definition, EntityTypeBundleInfoInterface $entity_type_bundle_info) {
        parent::__construct($configuration, $plugin_id, $plugin_definition);
        $this->entityTypeBundleInfo = $entity_type_bundle_info;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
        return new static($configuration, $plugin_id, $plugin_definition, $container->get('entity_type.bundle.info'));
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
        $bundles = $this->entityTypeBundleInfo
            ->getBundleInfo($this->getDerivativeId());
        $form['bundles'] = [
            '#title' => $this->pluginDefinition['label'],
            '#type' => 'checkboxes',
            '#options' => array_combine(array_keys($bundles), array_column($bundles, 'label')),
            '#default_value' => $this->configuration['bundles'],
        ];
        return parent::buildConfigurationForm($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
        $this->configuration['bundles'] = array_filter($form_state->getValue('bundles'));
        parent::submitConfigurationForm($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function evaluate() {
        // Returns true if no bundles are selected and negate option is disabled.
        if (empty($this->configuration['bundles']) && !$this->isNegated()) {
            return TRUE;
        }
        
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        $entity = $this->getContextValue($this->getDerivativeId());
        return !empty($this->configuration['bundles'][$entity->bundle()]);
    }
    
    /**
     * {@inheritdoc}
     */
    public function summary() {
        if (count($this->configuration['bundles']) > 1) {
            $bundles = $this->configuration['bundles'];
            $last = array_pop($bundles);
            $bundles = implode(', ', $bundles);
            if (empty($this->configuration['negate'])) {
                return $this->t('@bundle_type is @bundles or @last', [
                    '@bundle_type' => $this->pluginDefinition['label'],
                    '@bundles' => $bundles,
                    '@last' => $last,
                ]);
            }
            else {
                return $this->t('@bundle_type is not @bundles or @last', [
                    '@bundle_type' => $this->pluginDefinition['label'],
                    '@bundles' => $bundles,
                    '@last' => $last,
                ]);
            }
        }
        $bundle = reset($this->configuration['bundles']);
        if (empty($this->configuration['negate'])) {
            return $this->t('@bundle_type is @bundle', [
                '@bundle_type' => $this->pluginDefinition['label'],
                '@bundle' => $bundle,
            ]);
        }
        else {
            return $this->t('@bundle_type is not @bundle', [
                '@bundle_type' => $this->pluginDefinition['label'],
                '@bundle' => $bundle,
            ]);
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public function defaultConfiguration() {
        return [
            'bundles' => [],
        ] + parent::defaultConfiguration();
    }

}