public function LatLonFormatter::viewElements in Geofield 8

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides GeofieldDefaultFormatter::viewElements

File

src/Plugin/Field/FieldFormatter/LatLonFormatter.php, line 84

Class

LatLonFormatter

Plugin implementation of the 'geofield_latlon' formatter.

Namespace

Drupal\geofield\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $output = [
      '#markup' => '',
    ];
    $geom = $this->geoPhpWrapper
      ->load($item->value);
    if ($geom) {

      // If the geometry is not a point, get the centroid.
      if ($geom
        ->getGeomType() != 'Point') {
        $geom = $geom
          ->centroid();
      }

      /* @var \Point $geom */
      if ($this
        ->getOutputFormat() == 'decimal') {
        $output = [
          '#theme' => 'geofield_latlon',
          '#lat' => $geom
            ->y(),
          '#lon' => $geom
            ->x(),
        ];
      }
      elseif ($this
        ->getOutputFormat() == 'wkt') {
        $output = [
          '#markup' => "POINT ({$geom->x()} {$geom->y()})",
        ];
      }
      else {
        $components = $this
          ->getDmsComponents($geom);
        $output = [
          '#theme' => 'geofield_dms',
          '#components' => $components,
        ];
      }
    }
    $elements[$delta] = $output;
  }
  return $elements;
}