ViewsProximityFilter.php in Geolocation Field 8.3

Namespace

Drupal\geolocation\Plugin\geolocation\Location

File

src/Plugin/geolocation/Location/ViewsProximityFilter.php

<?php

namespace Drupal\geolocation\Plugin\geolocation\Location;

use Drupal\geolocation\LocationInterface;
use Drupal\geolocation\LocationBase;
use Drupal\geolocation\LocationInputManager;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\geolocation\ViewsContextTrait;

/**
 * Derive center from proximity filter.
 *
 * @Location(
 *   id = "views_proximity_filter",
 *   name = @Translation("Proximity filter"),
 *   description = @Translation("Set map center from proximity filter."),
 * )
 */
class ViewsProximityFilter extends LocationBase implements LocationInterface {
  use ViewsContextTrait;

  /**
   * Proximity center manager.
   *
   * @var \Drupal\geolocation\LocationInputManager
   */
  protected $locationInputManager;

  /**
   * {@inheritdoc}
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, LocationInputManager $location_input_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->locationInputManager = $location_input_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('plugin.manager.geolocation.locationinput'));
  }

  /**
   * {@inheritdoc}
   */
  public function getAvailableLocationOptions($context) {
    $options = [];
    if ($displayHandler = self::getViewsDisplayHandler($context)) {

      /** @var \Drupal\views\Plugin\views\filter\FilterPluginBase $filter */
      foreach ($displayHandler
        ->getHandlers('filter') as $delta => $filter) {
        if ($filter
          ->getPluginId() === 'geolocation_filter_proximity' && $filter !== $context) {
          $options[$delta] = $this
            ->t('Proximity filter') . ' - ' . $filter
            ->adminLabel();
        }
      }
    }
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function getCoordinates($location_option_id, array $location_option_settings, $context = NULL) {
    if (!($displayHandler = self::getViewsDisplayHandler($context))) {
      return parent::getCoordinates($location_option_id, $location_option_settings, $context);
    }
    $filter = $displayHandler
      ->getHandler('filter', $location_option_id);
    if (empty($filter)) {
      return parent::getCoordinates($location_option_id, $location_option_settings, $context);
    }
    if (array_key_exists('lat', $filter->value) && array_key_exists('lng', $filter->value)) {
      return [
        'lat' => (double) $filter->value['lat'],
        'lng' => (double) $filter->value['lng'],
      ];
    }
    return $this->locationInputManager
      ->getCoordinates((array) $filter->value['center'], $filter->options['location_input'], $filter);
  }

}

Classes

Name	Description
ViewsProximityFilter	Derive center from proximity filter.