public function OpenlayersGeolocationFormatter::viewElements in Openlayers 8.4

File

modules/openlayers_geolocation/src/Plugin/Field/FieldFormatter/OpenlayersGeolocationFormatter.php, line 26

Class

OpenlayersGeolocationFormatter

Plugin implementation for an Openlayers Geolocation field formatter.

Namespace

Drupal\openlayers\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $entity = $items
    ->getEntity();
  if ($entity
    ->hasTranslation($langcode)) {
    $entity = $entity
      ->getTranslation($langcode);
  }
  $entity_type = $entity
    ->getEntityTypeId();
  $bundle = $entity
    ->bundle();
  $entity_id = $entity
    ->id();

  /* @var \Drupal\Core\Field\FieldDefinitionInterface $field */
  $field = $items
    ->getFieldDefinition();
  $settings = $this
    ->getSettings();
  $map = new MapSettings($settings['map']);
  $cache_tags = $map->cacheTags;
  $map = $map->settings;
  $results = [];
  $features = [];
  foreach ($items as $delta => $item) {
    $features[] = [
      'type' => 'latlon',
      'value' => explode(',', $item->value),
      'style' => [
        'fill' => [
          'color' => 'red',
        ],
        'stroke' => [
          'color' => 'black',
          'width' => 3,
        ],
      ],
    ];
  }

  // Add a specific map id.
  $map['id'] = 'openlayers-fieldname-map';
  $js_settings = [
    'map' => $map,
    'features' => $features,
    'settings' => [
      'zoom' => $settings['zoom'],
    ],
  ];
  $results[] = $this->openlayersService
    ->openlayersRenderMap($js_settings, $settings['height'] . $settings['height_unit'], $cache_tags);
  return $results;
}