mod/help.php

   1 <?php
   2 require_once('library/markdown.php');
   3
   4 if (!function_exists('load_doc_file')) {
   5
   6         function load_doc_file($s) {
   7                 global $lang;
   8                 if (!isset($lang))
   9                         $lang = 'en';
  10                 $b = basename($s);
  11                 $d = dirname($s);
  12                 if (file_exists("$d/$lang/$b"))
  13                         return file_get_contents("$d/$lang/$b");
  14                 if (file_exists($s))
  15                         return file_get_contents($s);
  16                 return '';
  17         }
  18
  19 }
  20
  21 if(! function_exists('help_content')) {
  22 function help_content(&$a) {
  23
  24         nav_set_selected('help');
  25
  26         global $lang;
  27
  28         $text = '';
  29
  30         if ($a->argc > 1) {
  31                 $path = '';
  32                 // looping through the argv keys bigger than 0 to build
  33                 // a path relative to /help
  34                 for($x = 1; $x < argc(); $x ++) {
  35                         if(strlen($path))
  36                                 $path .= '/';
  37                         $path .= argv($x);
  38                 }
  39                 $title = basename($path);
  40                 $filename = $path;
  41                 $text = load_doc_file('doc/' . $path . '.md');
  42                 $a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($title));
  43         }
  44         $home = load_doc_file('doc/Home.md');
  45         if (!$text) {
  46                 $text = $home;
  47                 $filename = "Home";
  48                 $a->page['title'] = t('Help');
  49         } else {
  50                 $a->page['aside'] = Markdown($home);
  51         }
  52
  53         if (!strlen($text)) {
  54                 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
  55                 $tpl = get_markup_template("404.tpl");
  56                 return replace_macros($tpl, array(
  57                                         '$message' => t('Page not found.')
  58                                 ));
  59         }
  60
  61         $html = Markdown($text);
  62
  63         if ($filename !== "Home") {
  64                 // create TOC but not for home
  65                 $lines = explode("\n", $html);
  66                 $toc="<style>aside ul {padding-left: 1em;}</style><h2>TOC</h2><ul id='toc'>";
  67                 $lastlevel=1;
  68                 $idnum = array(0,0,0,0,0,0,0);
  69                 foreach($lines as &$line){
  70                         if (substr($line,0,2)=="<h") {
  71                                 $level = substr($line,2,1);
  72                                 if ($level!="r") {
  73                                         $level = intval($level);
  74                                         if ($level<$lastlevel) {
  75                                                 for($k=$level;$k<$lastlevel; $k++) $toc.="</ul>";
  76                                                 for($k=$level+1;$k<count($idnum);$k++) $idnum[$k]=0;
  77                                         }
  78                                         if ($level>$lastlevel) $toc.="<ul>";
  79                                         $idnum[$level]++;
  80                                         $id = implode("_", array_slice($idnum,1,$level));
  81                                         $href = $a->get_baseurl()."/help/{$filename}#{$id}";
  82                                         $toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
  83                                         $line = "<a name='{$id}'></a>".$line;
  84                                         $lastlevel = $level;
  85                                 }
  86                         }
  87                 }
  88                 for($k=1;$k<$lastlevel; $k++) $toc.="</ul>";
  89                 $html = implode("\n",$lines);
  90
  91                 $a->page['aside'] = $toc.$a->page['aside'];
  92         }
  93
  94         $html = "
  95                 <style>
  96                 .md_warning {
  97                         padding: 1em; border: #ff0000 solid 2px;
  98                         background-color: #f9a3a3; color: #ffffff;
  99                 }
 100                 </style>".$html;
 101         return $html;
 102 }
 103 }