public static function GeolocationGeometryPolygon::generateSampleValue in Geolocation Field 8.3

Generates placeholder field values.

Useful when populating site with placeholder content during site building or profiling.

Parameters

\Drupal\Core\Field\FieldDefinitionInterface $field_definition: The field definition.

Return value

array An associative array of values.

Overrides GeolocationGeometryBase::generateSampleValue

File

modules/geolocation_geometry/src/Plugin/Field/FieldType/GeolocationGeometryPolygon.php, line 37

Class

GeolocationGeometryPolygon

Plugin implementation of the 'geolocation' field type.

Namespace

Drupal\geolocation_geometry\Plugin\Field\FieldType

Code

public static function generateSampleValue(FieldDefinitionInterface $field_definition) {
  $reference_point = self::getRandomCoordinates();
  $coordinates = [];
  for ($i = 1; $i <= 16; $i++) {
    $coordinates[] = self::getRandomCoordinates($reference_point);
  }
  $center_point = self::getCenterFromCoordinates($coordinates);
  usort($coordinates, function ($a, $b) use ($center_point) {
    return self::sortCoordinatesByAngle($a, $b, $center_point);
  });

  // POLYGONS need to be closed.
  $coordinates[] = $coordinates[0];
  $values['geojson'] = '{
      "type": "Polygon",
      "coordinates": [
        [';
  foreach ($coordinates as $coordinate) {
    $values['geojson'] .= '[' . $coordinate['longitude'] . ', ' . $coordinate['latitude'] . '],';
  }
  $values['geojson'] = rtrim($values['geojson'], ',');
  $values['geojson'] .= ']]}';
  return $values;
}