<?php # vim:ts=2:sw=2:et:
/* For licensing and copyright terms, see the file named LICENSE */

require_once 'MTrackWeb.php';
class MTrackWeb_Help extends MTrackWeb
{
    var $template = 'help.html';
    function get($topic)
    {
        $helpdir = dirname(__FILE__) . '/../defaults/help';
        if (strpos($topic, '.') !== false) {
            throw new Exception("invalid help topic");
        }
        $name = $helpdir . '/' . $topic;

        if (empty($topic)) {
            $this->title = "Help topics";
            $this->topics = array();
            foreach (glob("$helpdir/*") as $topic) {
                $topic = basename($topic);
                $this->topics[] = $topic;
                
            } 
            return;
        }
        if (!file_exists($name)) {
            $this->title = "no help topic $topic";
            $this->no_topic = $topic;
            return;
        }
        
        $this->body = MTrack_Wiki::format_to_html(file_get_contents($name));
    }
}