openlayers-8.x-4.x-dev/src/OpenlayersConfigurablePluginBase.php

<?php

namespace Drupal\openlayers;

use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a base class for configurable Openlayers plugins.
 *
 * @see \Drupal\image\Annotation\ImageEffect
 * @see \Drupal\image\ConfigurableImageEffectInterface
 * @see \Drupal\image\ImageEffectInterface
 * @see \Drupal\image\ImageEffectBase
 * @see \Drupal\image\ImageEffectManager
 * @see plugin_api
 */
abstract class OpenlayersConfigurablePluginBase extends OpenlayersPluginBase implements OpenlayersConfigurablePluginInterface {

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

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

  }

  /**
   * {@inheritdoc}
   */
  public function getEntity() {

    if (!isset($this->configuration['entityId'])) {
      return NULL;
    }
    
    $entity = \Drupal::entityTypeManager()
      ->getStorage('openlayers_layer')
      ->load($this->configuration['entityId'])
    ;   
    
    return $entity;
  }

  public function getExportConfig($configEntity) {

    $exportConfig = [
      'machine_name' => $configEntity['id'],
      'factory_service' => $configEntity['service'],
      'options' => [],
    ];

    $types = ['layers', 'controls', 'interactions', 'components'];      //  TODO - temporary.  Should ideally generate this list automatically.
    
    foreach ($types as $type) {

      if (!empty($configEntity[$type])) {

        foreach ($configEntity[$type] as $key => $item) {
//          $exportConfig['options'][$type][] = isset($item['data']['entityId']) ? $item['data']['entityId'] : NULL;
          $exportConfig['options'][$type][] = isset($item['id']) ? $item['id'] : NULL;
        }
      }
    }

    if (!isset($this->options) || $this->options === NULL) {
      $this->options = [];
    }
    $this->configuration = array_merge($this->configuration, $exportConfig);
    $this->options = array_merge($this->options, $exportConfig['options']);

    return $exportConfig;
  }
  
}