';
}
/**
* Get one term html select
*/
function format_one_specific_field_select($prefix, $sf_term_array, $op, $extra_select_attr='size="7" class="sf-select-multiple"') {
global $charset;
$multiple_select = '';
return $multiple_select;
}
/**
* Get terms html selects
*/
function format_specific_fields_selects($sf_terms, $op, $prefilter_prefix='') {
// Process each prefix type term
$i = 0;
$max = count($sf_terms);
$multiple_selects .='';
foreach ($sf_terms as $prefix => $sf_term_array) {
if ($prefix == $prefilter_prefix) continue;
$multiple_select = '';
if ($i>0) {
//print "+" image
$multiple_select .= '
';
}
//sorting the array of terms
$temp = array();
if (!empty($sf_term_array)) {
foreach ($sf_term_array as $key => $value) {
$temp[trim(stripslashes($value['name']))] = $key;
}
}
$temp = array_flip($temp);
unset($sf_term_array);
natcasesort($temp);
$sf_term_array = $temp;
$sf_copy = $sf_term_array;
// get specific field name
$sf_value = get_specific_field_list(array( 'code' => "'$prefix'" ));
$sf_value = array_shift($sf_value);
$multiple_select .= '
'. get_lang('SearchKeywordsHelpComment');
$mode = (!empty($_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('SearchResetKeywords') .' ';
}
$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('SearchAdvancedOptions'), array('id'=>'thesaurus-icon'));
$advanced_options = ''. get_lang('SearchAdvancedOptions') .'';
$display_thesaurus = ($show_thesaurus==true? 'block': 'none');
$help = '
'. get_lang('SearchKeywordsHelpTitle') .'
'. get_lang('SearchKeywordsHelpComment');
$mode = (!empty($_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);
}
// 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 = 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 '
'.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,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 $param) {
if (is_array($_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);
}
