LeafletControlGeocoder.php in Geolocation Field 8.3

Namespace

Drupal\geolocation_leaflet\Plugin\geolocation\MapFeature

File

modules/geolocation_leaflet/src/Plugin/geolocation/MapFeature/LeafletControlGeocoder.php

<?php

namespace Drupal\geolocation_leaflet\Plugin\geolocation\MapFeature;

use Drupal\geolocation\GeocoderManager;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides Geocoder control element.
 *
 * @MapFeature(
 *   id = "leaflet_control_geocoder",
 *   name = @Translation("Map Control - Geocoder"),
 *   description = @Translation("Add geocoder control element."),
 *   type = "leaflet",
 * )
 */
class LeafletControlGeocoder extends ControlCustomElementBase {

  /**
   * The GeocoderManager object.
   *
   * @var \Drupal\geolocation\GeocoderManager
   */
  protected $geocoderManager;

  /**
   * ControlCustomGeocoder constructor.
   *
   * @param array $configuration
   *   Configuration.
   * @param string $plugin_id
   *   Plugin ID.
   * @param mixed $plugin_definition
   *   Plugin configuration.
   * @param \Drupal\geolocation\GeocoderManager $geocoder_manager
   *   Geocoder manager.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, GeocoderManager $geocoder_manager) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->geocoderManager = $geocoder_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.geocoder'));
  }

  /**
   * {@inheritdoc}
   */
  public static function getDefaultSettings() {
    return array_replace_recursive(parent::getDefaultSettings(), [
      'geocoder' => 'nominatim',
      'settings' => [],
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsForm(array $settings, array $parents) {
    $form = parent::getSettingsForm($settings, $parents);
    $settings = array_replace_recursive(self::getDefaultSettings(), $settings);
    $geocoder_options = [];
    foreach ($this->geocoderManager
      ->getDefinitions() as $id => $definition) {
      if (empty($definition['frontendCapable'])) {
        continue;
      }
      $geocoder_options[$id] = $definition['name'];
    }
    if ($geocoder_options) {
      $form['geocoder'] = [
        '#type' => 'select',
        '#options' => $geocoder_options,
        '#title' => $this
          ->t('Geocoder plugin'),
        '#default_value' => $settings['geocoder'],
        '#ajax' => [
          'callback' => [
            get_class($this->geocoderManager),
            'addGeocoderSettingsFormAjax',
          ],
          'wrapper' => 'leaflet-control-geocoder-plugin-settings',
          'effect' => 'fade',
        ],
      ];
      if (!empty($settings['geocoder'])) {
        $geocoder_plugin = $this->geocoderManager
          ->getGeocoder($settings['geocoder'], $settings['settings']);
      }
      elseif (current(array_keys($geocoder_options))) {
        $geocoder_plugin = $this->geocoderManager
          ->getGeocoder(current(array_keys($geocoder_options)));
      }
      if (!empty($geocoder_plugin)) {
        $geocoder_settings_form = $geocoder_plugin
          ->getOptionsForm();
        if ($geocoder_settings_form) {
          $form['settings'] = $geocoder_settings_form;
        }
      }
      if (empty($form['settings'])) {
        $form['settings'] = [
          '#type' => 'html_tag',
          '#tag' => 'span',
          '#value' => $this
            ->t("No settings available."),
        ];
      }
      $form['settings'] = array_replace_recursive($form['settings'], [
        '#flatten' => TRUE,
        '#prefix' => '<div id="leaflet-control-geocoder-plugin-settings">',
        '#suffix' => '</div>',
      ]);
    }
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function alterMap(array $render_array, array $feature_settings, array $context = []) {
    $render_array = parent::alterMap($render_array, $feature_settings, $context);

    /** @var \Drupal\geolocation\GeocoderInterface $geocoder_plugin */
    $geocoder_plugin = $this->geocoderManager
      ->getGeocoder($feature_settings['geocoder'], $feature_settings['settings']);
    $geocoder_plugin
      ->formAttachGeocoder($render_array['#controls'][$this->pluginId], $render_array['#id']);
    return $render_array;
  }

}

Classes

Name	Description
LeafletControlGeocoder	Provides Geocoder control element.