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                         $path .= argv($x);
  37                 }
  38                 $title = basename($path);
  39                 $filename = $path;
  40                 $text = load_doc_file('doc/' . $path . '.md');
  41                 $a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($title));
  42         }
  43         $home = load_doc_file('doc/Home.md');
  44         if (!$text) {
  45                 $text = $home;
  46                 $filename = "Home";
  47                 $a->page['title'] = t('Help');
  48         } else {
  49                 $a->page['aside'] = Markdown($home);
  50         }
  51
  52         if (!strlen($text)) {
  53                 header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
  54                 $tpl = get_markup_template("404.tpl");
  55                 return replace_macros($tpl, array(
  56                                         '$message' => t('Page not found.')
  57                                 ));
  58         }
  59
  60         $html = Markdown($text);
  61
  62         if ($filename !== "Home") {
  63                 // create TOC but not for home
  64                 $lines = explode("\n", $html);
  65                 $toc="<style>aside ul {padding-left: 1em;}aside h1{font-size:2em}</style><h2>TOC</h2><ul id='toc'>";
  66                 $lastlevel=1;
  67                 $idnum = array(0,0,0,0,0,0,0);
  68                 foreach($lines as &$line){
  69                         if (substr($line,0,2)=="<h") {
  70                                 $level = substr($line,2,1);
  71                                 if ($level!="r") {
  72                                         $level = intval($level);
  73                                         if ($level<$lastlevel) {
  74                                                 for($k=$level;$k<$lastlevel; $k++) $toc.="</ul>";
  75                                                 for($k=$level+1;$k<count($idnum);$k++) $idnum[$k]=0;
  76                                         }
  77                                         if ($level>$lastlevel) $toc.="<ul>";
  78                                         $idnum[$level]++;
  79                                         $id = implode("_", array_slice($idnum,1,$level));
  80                                         $href = App::get_baseurl()."/help/{$filename}#{$id}";
  81                                         $toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
  82                                         $line = "<a name='{$id}'></a>".$line;
  83                                         $lastlevel = $level;
  84                                 }
  85                         }
  86                 }
  87                 for($k=0;$k<$lastlevel; $k++) $toc.="</ul>";
  88                 $html = implode("\n",$lines);
  89
  90                 $a->page['aside'] = $toc.$a->page['aside'];
  91         }
  92
  93         $html = "
  94                 <style>
  95                 .md_warning {
  96                         padding: 1em; border: #ff0000 solid 2px;
  97                         background-color: #f9a3a3; color: #ffffff;
  98                 }
  99                 </style>".$html;
 100         return $html;
 101
 102 }