function farm_map_geofield_field_formatter_view in farmOS 7

Implements hook_field_formatter_view().

File

modules/farm/farm_map/farm_map_geofield/farm_map_geofield.module, line 22

Farm Map Geofield integration.

Code

function farm_map_geofield_field_formatter_view($entity_type, $entity, $field, $instance, $langcode, $items, $display) {
  $element = array();

  // First check to see if we have any value and remove any unset deltas.
  foreach ($items as $delta => $item) {
    if (empty($item['geom'])) {
      unset($items[$delta]);
    }
  }

  // If there are no items, stop here. We won't show anything.
  if (empty($items)) {
    return $element;
  }

  // Ensure GeoPHP is available.
  geophp_load();

  // Create array of features.
  $features = array();
  foreach ($items as $delta) {
    if (array_key_exists('geom', $delta)) {
      $geometry = geoPHP::load($delta['geom']);
    }
    else {
      $geometry = geoPHP::load($delta);
    }
    $features[] = array(
      'wkt' => $geometry
        ->out('wkt'),
      'projection' => 'EPSG:4326',
    );
  }

  // If there are no features at this point, bail.
  if (empty($features)) {
    return $element;
  }

  // Build a map for each item.
  $map_name = 'farm_map_geofield';
  foreach ($features as $delta => $feature) {
    $element[$delta] = array(
      '#type' => 'farm_map',
      '#map_name' => $map_name,
      '#wkt' => $feature['wkt'],
    );
  }
  return $element;
}