function geotaxonomy_taxonomy_xml_rdf_export_term in Taxonomy import/export via XML 6.2

Add geotag information to the export document.

Produce something like:

<geo:lat>40.442673</geo:lat><geo:long>-79.945815</geo:long>

HOOK_taxonomy_xml_rdf_export_term

Parameters

$termnode The context to add attributes to, an XML term element,: already partially built. Modified by reference

$term The term being exported:

File

includes/taxonomy_xml.geotaxonomy.inc, line 20

Support for geotaxonomy data when importing or exporting terms

Code

function geotaxonomy_taxonomy_xml_rdf_export_term($termnode, $term) {
  if (!_geotaxonomy_vocabulary_enabled($term->vid)) {
    return;
  }
  $dom = $termnode
    ->owner_document();
  $latlon = geotaxonomy_get_term($term->tid);
  if (isset($latlon['lat'])) {
    $lat_node = $dom
      ->createelementns(TAXONOMY_XML_GEO_NS, 'geo:lat', trim($latlon['lat']));
    $termnode
      ->appendchild($lat_node);
  }
  if (isset($latlon['lon'])) {
    $lon_node = $dom
      ->createelementns(TAXONOMY_XML_GEO_NS, 'geo:lon', trim($latlon['lon']));
    $termnode
      ->appendchild($lon_node);
  }

  // KML bounding box also?
  // This is NOT a correct RDF representation of KML as far as I know,
  // but if I have the data, I can use it.:
  // geo does not yet support even bounding boxes, so avoid it.
  $geotaxonomy_kml_map = array(
    'bound_top' => 'north',
    'bound_bottom' => 'south',
    'bound_left' => 'west',
    'bound_right' => 'east',
  );

  // Only process this if all values are really available
  $bounds_available = TRUE;
  foreach ($geotaxonomy_kml_map as $geo_direction => $kml_direction) {
    if (!isset($latlon[$geo_direction])) {
      $bounds_available = FALSE;
    }
  }
  if ($bounds_available) {
    $region_node = $dom
      ->createelementns(TAXONOMY_XML_KML_NS, 'kml:Region');
    $termnode
      ->appendchild($region_node);
    $latlonaltbox_node = $dom
      ->createelementns(TAXONOMY_XML_KML_NS, 'kml:LatLonAltBox');
    $region_node
      ->appendchild($latlonaltbox_node);
    foreach ($geotaxonomy_kml_map as $geo_direction => $kml_direction) {
      $direction_node = $dom
        ->createelementns(TAXONOMY_XML_KML_NS, 'kml:' . $kml_direction, trim($latlon[$geo_direction]));
      $latlonaltbox_node
        ->appendchild($direction_node);
    }
  }
}