supportsAutocompletion()) {
$server = $search->server();
list($complete, $incomplete) = $search->splitKeys($keys);
$keys = preg_replace('/\s+/', ' ', trim($keys));
$query = $search->getQuery($complete, $incomplete);
if ($query) {
// @todo Maybe make range configurable?
$query->range(0, 10);
$query->setOption('search id', 'search_api_autocomplete:' . $search->machine_name);
if (!empty($search->options['fields'])) {
$query->fields($search->options['fields']);
}
elseif (trim($fields)) {
$fields = explode(' ', $fields);
$query->fields($fields);
}
$query->preExecute();
$suggestions = $server->getAutocompleteSuggestions($query, $search, $incomplete, $keys);
if ($suggestions) {
foreach ($suggestions as $suggestion) {
// Convert suggestion strings into an array.
if (is_string($suggestion)) {
$pos = strpos($suggestion, $keys);
if ($pos === FALSE) {
$suggestion = array(
'user_input' => '',
'suggestion_suffix' => $suggestion,
);
}
else {
$suggestion = array(
'suggestion_prefix' => substr($suggestion, 0, $pos),
'user_input' => $keys,
'suggestion_suffix' => substr($suggestion, $pos + strlen($keys)),
);
}
}
// Add defaults.
$suggestion += array(
'prefix' => NULL,
'suggestion_prefix' => '',
'user_input' => $keys,
'suggestion_suffix' => '',
'results' => NULL,
);
if (empty($search->options['results'])) {
unset($suggestion['results']);
}
$key = $suggestion['suggestion_prefix'] . $suggestion['user_input'] . $suggestion['suggestion_suffix'];
if (!isset($ret[$key])) {
$ret[$key] = theme('search_api_autocomplete_suggestion', $suggestion);
}
}
}
}
}
drupal_json_output($ret);
}
/**
*
*
* @param array $variables
* An associative array containing:
* - prefix: For special suggestions, some kind of prefix describing them.
* - suggestion_prefix: A suggested prefix for the entered input.
* - user_input: The input entered by the user.
* - suggestion_suffix: A suggested suffix for the entered input.
* - results: If available, the estimated number of results for these keys.
*/
function theme_search_api_autocomplete_suggestion(array $variables) {
extract($variables);
$output = '';
if ($prefix) {
$output .= "$prefix ";
}
if ($suggestion_prefix) {
$output .= "$suggestion_prefix";
}
if ($user_input) {
$output .= "$user_input";
}
if ($suggestion_suffix) {
$output .= "$suggestion_suffix";
}
if ($results) {
$output .= " $results";
}
return "$output
";
}