} else {
$sf_terms_for_code = xapian_get_all_terms(1000, $specific_field['code']);
foreach ($sf_terms_for_code as $term) {
if (!empty($term)) {
$term_array[] = chamilo_get_boolean_query($term['name']); // Here name includes prefix.
}
}
}
}
// Get right group of terms to show on multiple select.
$fixed_queries = array();
$course_filter = NULL;
if ( ($cid=api_get_course_id()) != -1 ) {
// Results only from actual course.
$course_filter = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID . $cid);
}
if (count($term_array)) {
$fixed_queries = chamilo_join_queries($term_array, null, $op);
if ($course_filter != NULL) {
$fixed_queries = chamilo_join_queries($fixed_queries, $course_filter, 'and');
}
} else {
if (!empty($query)) {
$fixed_queries = array($course_filter);
}
}
list($count, $results) = chamilo_query_query(api_convert_encoding($query, 'UTF-8', $charset), 0, 1000, $fixed_queries);
/**
* Show the search widget
*
* The form will post to index.php by default, you can pass a value to
* $action to use a custom action.
* IMPORTANT: you have to call search_widget_prepare() before calling this
* function or otherwise the form will not behave correctly.
*
* @param string $action Just in case your action is not
* index.php
*/
function search_widget_show($action = 'index.php')
{
require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloQuery.php';
// TODO: load images dinamically when they're avalaible from specific field ui to add
$groupId = api_get_group_id();
$sf_terms = array();
$specific_fields = get_specific_field_list();
$url_params = array();
if (($cid = api_get_course_id()) != -1) {
// with cid
// get search engine terms
$course_filter = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID . $cid);
$dkterms = chamilo_query_simple_query('', 0, 1000, array($course_filter));
//prepare specific fields names (and also get possible URL param names)
foreach ($specific_fields as $specific_field) {
$temp = array();
if (is_array($dkterms) && count($dkterms) > 0) {
foreach ($dkterms[1] as $obj) {
$temp = array_merge($obj['sf-' . $specific_field['code']], $temp);
}
}
$sf_terms[$specific_field['code']] = $temp;
$url_params[] = 'sf_' . $specific_field['code'];
unset($temp);
}
} else {
// without cid
// prepare specific fields names (and also get possible URL param names)
foreach ($specific_fields as $specific_field) {
//get Xapian terms for a specific term prefix, in ISO, apparently
$sf_terms[$specific_field['code']] = xapian_get_all_terms(1000, $specific_field['code']);
$url_params[] = 'sf_' . $specific_field['code'];
}
}
echo '<h2>' . get_lang('Search') . '</h2>';
// Tool introduction
// TODO: Settings for the online editor to be checked (insert an image for example). Probably this is a special case here.
if (api_get_course_id() !== -1) {
if (!empty($groupId)) {
Display::display_introduction_section(TOOL_SEARCH . $groupId);
} else {
Display::display_introduction_section(TOOL_SEARCH);
}
}
$op = 'or';
if (!empty($_REQUEST['operator']) && in_array($op, array('or', 'and'))) {
$op = $_REQUEST['operator'];
}
//check if URL params are defined (to see if we show the thesaurus or not)
$show_thesaurus = false;
foreach ($url_params as $param) {
if (isset($_REQUEST[$param]) && is_array($_REQUEST[$param])) {
$thesaurus_decided = FALSE;
foreach ($_REQUEST[$param] as $term) {
if (!empty($term)) {
$show_thesaurus = true;
$thesaurus_decided = TRUE;
break;
}
}
if ($thesaurus_decided) {
break;
}
}
}
// create the form
// TODO: use FormValidator
display_search_form($action, $show_thesaurus, $sf_terms, $op);
}
$sf_terms = array();
if (($cid = api_get_course_id()) != -1) {
// with cid
// course filter
$filter[] = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID . $cid);
// term filter
if ($term != '__all__') {
$filter[] = chamilo_get_boolean_query($prefix . $term);
// always and between term and courseid
$filter = chamilo_join_queries($filter, null, 'and');
}
$sf_terms = get_usual_sf_terms($filter, $specific_fields);
} else {
// without cid
if ($term != '__all__') {
$filter[] = chamilo_get_boolean_query($prefix . $term);
$sf_terms = get_usual_sf_terms($filter, $specific_fields);
} else {
// no cid and all/any terms
foreach ($specific_fields as $specific_field) {
foreach (xapian_get_all_terms(1000, $specific_field['code']) as $raw_term) {
if (count($raw_term['name']) > 1) {
$normal_term = substr($raw_term['name'], 1);
$sf_terms[$specific_field['code']][$normal_term] = $normal_term;
}
}
}
}
}
// build array to return
foreach ($sf_terms as $sf_prefix => $term_group) {