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 function help_content(App $a) {
  22
  23         nav_set_selected('help');
  24
  25         global $lang;
  26
  27         $text = '';
  28
  29         if ($a->argc > 1) {
  30                 $path = '';
  31                 // looping through the argv keys bigger than 0 to build
  32                 // a path relative to /help
  33                 for ($x = 1; $x < argc(); $x ++) {
  34                         if (strlen($path)) {
  35                                 $path .= '/';
  36                         }
  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;}aside h1{font-size:2em}</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++) {
  76                                                         $toc.="</ul>";
  77                                                 }
  78                                                 for ($k=$level+1;$k<count($idnum);$k++) {
  79                                                         $idnum[$k]=0;
  80                                                 }
  81                                         }
  82                                         if ($level>$lastlevel) {
  83                                                 $toc.="<ul>";
  84                                         }
  85                                         $idnum[$level]++;
  86                                         $id = implode("_", array_slice($idnum,1,$level));
  87                                         $href = App::get_baseurl()."/help/{$filename}#{$id}";
  88                                         $toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
  89                                         $line = "<a name='{$id}'></a>".$line;
  90                                         $lastlevel = $level;
  91                                 }
  92                         }
  93                 }
  94                 for ($k=0;$k<$lastlevel; $k++) $toc.="</ul>";
  95                 $html = implode("\n",$lines);
  96
  97                 $a->page['aside'] = $toc.$a->page['aside'];
  98         }
  99
 100         $html = "
 101                 <style>
 102                 .md_warning {
 103                         padding: 1em; border: #ff0000 solid 2px;
 104                         background-color: #f9a3a3; color: #ffffff;
 105                 }
 106                 </style>".$html;
 107         return $html;
 108
 109 }