GeolocationMarkerScrollToId.php in Geolocation Field 8.2

Namespace

Drupal\geolocation\Plugin\geolocation\MapFeature

File

src/Plugin/geolocation/MapFeature/GeolocationMarkerScrollToId.php

<?php

namespace Drupal\geolocation\Plugin\geolocation\MapFeature;

use Drupal\geolocation\MapFeatureBase;
use Drupal\Core\Render\BubbleableMetadata;
use Drupal\Core\Template\Attribute;

/**
 * Provides map tilt.
 *
 * @MapFeature(
 *   id = "geolocation_marker_scroll_to_id",
 *   name = @Translation("Marker Scroll-to-ID"),
 *   description = @Translation("Clicking on a marker will try to scroll to the respective ID."),
 *   type = "all",
 * )
 */
class GeolocationMarkerScrollToId extends MapFeatureBase {

  /**
   * {@inheritdoc}
   */
  public static function getDefaultSettings() {
    return [
      'scroll_target_id' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsForm(array $settings, array $parents) {
    $settings = $this
      ->getSettings($settings);
    $form['scroll_target_id'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Scroll target ID'),
      '#description' => $this
        ->t('ID to scroll to on click. Tokens supported.'),
      '#default_value' => $settings['scroll_target_id'],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function alterMap(array $render_array, array $feature_settings, array $context = []) {
    if (empty($render_array['#children']['locations'])) {
      return $render_array;
    }
    if (!empty($context['view'])) {

      /** @var \Drupal\views\ViewExecutable $view */
      $view = $context['view'];
    }
    foreach ($render_array['#children']['locations'] as &$location) {
      $scroll_target_id = \Drupal::token()
        ->replace($feature_settings['scroll_target_id'], $context);
      if (empty($view)) {
        continue;
      }
      if (empty($location['#attributes'])) {
        $location['#attributes'] = [];
      }
      elseif (!is_array($location['#attributes'])) {
        $location['#attributes'] = new Attribute($location['#attributes']);
        $location['#attributes'] = $location['#attributes']
          ->toArray();
      }
      if (isset($location['#attributes']['data-views-row-index'])) {
        $scroll_target_id = $view
          ->getStyle()
          ->tokenizeValue($scroll_target_id, (int) $location['#attributes']['data-views-row-index']);
        $location['#attributes']['data-scroll-target-id'] = $scroll_target_id;
      }
    }
    $render_array = parent::alterMap($render_array, $feature_settings, $context);
    $render_array['#attached'] = BubbleableMetadata::mergeAttachments(empty($render_array['#attached']) ? [] : $render_array['#attached'], [
      'library' => [
        'geolocation/geolocation.marker_scroll_to_id',
      ],
      'drupalSettings' => [
        'geolocation' => [
          'maps' => [
            $render_array['#id'] => [
              'geolocation_marker_scroll_to_id' => [
                'enable' => TRUE,
              ],
            ],
          ],
        ],
      ],
    ]);
    return $render_array;
  }

}

Classes

Name	Description
GeolocationMarkerScrollToId	Provides map tilt.