'.get_lang('Select keywords in one or more fields and click the search button.
To select more than one keyword in a field, use Ctrl+click.');
$mode = (!empty($_REQUEST['mode']) ? htmlentities($_REQUEST['mode']) : 'gallery');
$type = (!empty($_REQUEST['type']) ? htmlentities($_REQUEST['type']) : 'normal');
/**
* POST avoid long urls, but we are using GET because
* SortableTableFromArray pagination is done with simple links, so now we
* could not send a form in pagination.
*/
if (isset($_GET['action']) && strcmp(trim($_GET['action']), 'search') === 0) {
$action = 'index.php';
}
$navigator_info = api_get_navigator();
if ($navigator_info['name'] == 'Internet Explorer' && $navigator_info['version'] == '6') {
$submit_button1 = '';
$submit_button2 = '';
$reset_button = '';
} else {
$submit_button1 = ' '.get_lang('Search').'';
$submit_button2 = ''.get_lang('Search').'';
$reset_button = ''.get_lang('Reset keywords').' ';
}
$query = isset($_REQUEST['query']) ? Security::remove_XSS($_REQUEST['query']) : null;
$form = '
';
return $form;
}
/**
* Build the prefilter form.
*
* This type allow filter all other multiple select terms by one term in a dinamic way
*/
function search_widget_prefilter_form(
$action,
$show_thesaurus,
$sf_terms,
$op,
$prefilter_prefix = null
) {
$thesaurus_icon = Display::return_icon('thesaurus.gif', get_lang('Advanced search options'), ['id' => 'thesaurus-icon']);
$advanced_options = ''.get_lang('Advanced search options').'';
$display_thesaurus = ($show_thesaurus == true ? 'block' : 'none');
$help = '
'.get_lang('Keywords search help').'
'.get_lang('Select keywords in one or more fields and click the search button.
To select more than one keyword in a field, use Ctrl+click.');
$mode = (!empty($_REQUEST['mode']) ? htmlentities($_REQUEST['mode']) : 'gallery');
$type = (!empty($_REQUEST['type']) ? htmlentities($_REQUEST['type']) : 'normal');
/**
* POST avoid long urls, but we are using GET because
* SortableTableFromArray pagination is done with simple links, so now we
* could not send a form in pagination.
*/
if (isset($_GET['action']) && strcmp(trim($_GET['action']), 'search') === 0) {
$action = 'index.php';
}
$form = '
';
return $form;
}
/**
* Show search form.
*/
function display_search_form($action, $show_thesaurus, $sf_terms, $op)
{
$type = (!empty($_REQUEST['type']) ? htmlentities($_REQUEST['type']) : 'normal');
switch ($type) {
case 'prefilter':
$prefilter_prefix = api_get_setting('search_prefilter_prefix');
$form = search_widget_prefilter_form(
$action,
$show_thesaurus,
$sf_terms,
$op,
$prefilter_prefix
);
break;
case 'normal':
default:
$form = search_widget_normal_form(
$action,
$show_thesaurus,
$sf_terms,
$op
);
break;
}
// show built form
echo $form;
}
/**
* 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 = [];
$specific_fields = get_specific_field_list();
$url_params = [];
if (($cid = api_get_course_id()) != -1) { // with cid
// get search engine terms
$course_filter = chamilo_get_boolean_query(XAPIAN_PREFIX_COURSEID.$cid);
$dkterms = chamilo_query_simple_query('', 0, 1000, [$course_filter]);
//prepare specific fields names (and also get possible URL param names)
foreach ($specific_fields as $specific_field) {
$temp = [];
if (is_array($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 '
'.get_lang('Search').'
';
// 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, ['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);
}
