function rdf_preprocess_field

Implements MODULE_preprocess_HOOK().

File

modules/rdf/rdf.module, line 543

Code

function rdf_preprocess_field(&$variables) {
    $element = $variables['element'];
    $mapping = rdf_mapping_load($element['#entity_type'], $element['#bundle']);
    $field_name = $element['#field_name'];
    if (!empty($mapping) && !empty($mapping[$field_name])) {
        foreach ($element['#items'] as $delta => $item) {
            $variables['item_attributes_array'][$delta] = rdf_rdfa_attributes($mapping[$field_name], $item);
            // If this field is an image, RDFa will not output correctly when the
            // image is in a containing <a> tag. If the field is a file, RDFa will
            // not output correctly if the filetype icon comes before the link to the
            // file. We correct this by adding a resource attribute to the div if
            // this field has a URI.
            if (isset($item['uri'])) {
                if (!empty($element[$delta]['#image_style'])) {
                    $variables['item_attributes_array'][$delta]['resource'] = image_style_url($element[$delta]['#image_style'], $item['uri']);
                }
                else {
                    $variables['item_attributes_array'][$delta]['resource'] = file_create_url($item['uri']);
                }
            }
        }
    }
}