function rdf_field_attach_view_alter
rdf_field_attach_view_alter(&$output, $context)
Implements hook_field_attach_view_alter().
File
- modules/rdf/rdf.module, line 741
- Enables semantically enriched output for Drupal sites in the form of RDFa.
Code
function rdf_field_attach_view_alter(&$output, $context) { // Append term mappings on displayed taxonomy links. foreach (element_children($output) as $field_name) { $element = &$output[$field_name]; if ($element['#field_type'] == 'taxonomy_term_reference' && $element['#formatter'] == 'taxonomy_term_reference_link') { foreach ($element['#items'] as $delta => $item) { // This function is invoked during entity preview when taxonomy term // reference items might contain free-tagging terms that do not exist // yet and thus have no $item['taxonomy_term']. if (isset($item['taxonomy_term'])) { $term = $item['taxonomy_term']; if (!empty($term->rdf_mapping['rdftype'])) { $element[$delta]['#options']['attributes']['typeof'] = $term->rdf_mapping['rdftype']; } if (!empty($term->rdf_mapping['name']['predicates'])) { // A property attribute is used with an empty datatype attribute so // the term name is parsed as a plain literal in RDFa 1.0 and 1.1. $element[$delta]['#options']['attributes']['property'] = $term->rdf_mapping['name']['predicates']; $element[$delta]['#options']['attributes']['datatype'] = ''; } } } } } }
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Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/modules!rdf!rdf.module/function/rdf_field_attach_view_alter/7.x