function views_ajax_autocomplete_taxonomy

Page callback for views taxonomy autocomplete.

Parameters

int $vid: The vocabulary id of the tags which should be returned.

string $tags_typed: The typed string of the user.

See also

taxonomy_autocomplete()

Related topics

File

includes/ajax.inc, line 353

Code

function views_ajax_autocomplete_taxonomy($vid, $tags_typed = '') {
    // The user enters a comma-separated list of tags. We only autocomplete the
    // last tag.
    $tags_typed = drupal_explode_tags($tags_typed);
    $tag_last = drupal_strtolower(array_pop($tags_typed));
    if ($tag_last != '') {
        $query = db_select('taxonomy_term_data', 't');
        $query->addTag('translatable');
        $query->addTag('taxonomy_term_access');
        // Do not select already entered terms.
        if (!empty($tags_typed)) {
            $query->condition('t.name', $tags_typed, 'NOT IN');
        }
        // Select rows that match by term name.
        $tags_return = $query->fields('t', array(
            'tid',
            'name',
        ))
            ->condition('t.vid', $vid)
            ->condition('t.name', '%' . db_like($tag_last) . '%', 'LIKE')
            ->range(0, 10)
            ->execute()
            ->fetchAllKeyed();
        $prefix = count($tags_typed) ? drupal_implode_tags($tags_typed) . ', ' : '';
        $term_matches = array();
        foreach ($tags_return as $name) {
            $n = $name;
            // Term names containing commas or quotes must be wrapped in quotes.
            if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
                $n = '"' . str_replace('"', '""', $name) . '"';
            }
            // Add term name to list of matches.
            $term_matches[$prefix . $n] = check_plain($name);
        }
    }
    drupal_json_output($term_matches);
}