.
/**
* Displays help via AJAX call or in a new page
*
* Use {@link core_renderer::help_icon()} or {@link addHelpButton()} to display
* the help icon.
*
* @copyright 2002 onwards Martin Dougiamas
* @package core
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_MOODLE_COOKIES', true);
require_once(dirname(__FILE__) . '/config.php');
$identifier = required_param('identifier', PARAM_STRINGID);
$component = required_param('component', PARAM_SAFEDIR);
$lang = required_param('lang', PARAM_LANG); // TODO: maybe split into separate scripts
$ajax = optional_param('ajax', 0, PARAM_BOOL);
if (!$lang) {
$lang = 'en';
}
$SESSION->lang = $lang; // does not actually modify session because we do not use cookies here
$sm = get_string_manager();
$PAGE->set_url('/help.php');
$PAGE->set_pagelayout('popup');
$PAGE->set_context(get_context_instance(CONTEXT_SYSTEM));
if ($ajax) {
@header('Content-Type: text/plain; charset=utf-8');
} else {
echo $OUTPUT->header();
}
if (!$sm->string_exists($identifier.'_help', $component)) {
// strings on-diskc cache may be dirty - try to rebuild it and check again
$sm->load_component_strings($component, current_language(), true);
}
if ($sm->string_exists($identifier.'_help', $component)) {
$options = new stdClass();
$options->trusted = false;
$options->noclean = false;
$options->smiley = false;
$options->filter = false;
$options->para = true;
$options->newlines = false;
$options->overflowdiv = !$ajax;
echo $OUTPUT->heading(format_string(get_string($identifier, $component)), 1, 'helpheading');
// Should be simple wiki only MDL-21695
echo format_text(get_string($identifier.'_help', $component), FORMAT_MARKDOWN, $options);
if ($sm->string_exists($identifier.'_link', $component)) { // Link to further info in Moodle docs
$link = get_string($identifier.'_link', $component);
$linktext = get_string('morehelp');
echo ''.$OUTPUT->doc_link($link, $linktext).'
';
}
} else {
echo "TODO: missing help string [{$identifier}_help, $component]
";
}
if (!$ajax) {
echo $OUTPUT->footer();
}