Warnings removed

[friendica.git] / mod / help.php

diff --git a/mod/help.php b/mod/help.php
old mode 100755 (executable)
new mode 100644 (file)
index af05bd4..7222569
--- a/mod/help.php
+++ b/mod/help.php
@@ -1,47 +1,102 @@
 <?php
+require_once('library/markdown.php');
 
-if(! function_exists('load_doc_file')) {
-function load_doc_file($s) {
-       global $lang;
-       if(! isset($lang))
-               $lang = 'en';
-       $b = basename($s);
-       $d = dirname($s);
-       if(file_exists("$d/$lang/$b"))
-               return file_get_contents("$d/$lang/$b");
-       if(file_exists($s))
-               return file_get_contents($s);
-       return '';
-}}
+if (!function_exists('load_doc_file')) {
 
+       function load_doc_file($s) {
+               global $lang;
+               if (!isset($lang))
+                       $lang = 'en';
+               $b = basename($s);
+               $d = dirname($s);
+               if (file_exists("$d/$lang/$b"))
+                       return file_get_contents("$d/$lang/$b");
+               if (file_exists($s))
+                       return file_get_contents($s);
+               return '';
+       }
 
+}
 
 function help_content(&$a) {
+
        nav_set_selected('help');
 
        global $lang;
 
-       require_once('library/markdown.php');
-
        $text = '';
 
-       if($a->argc > 1) {
-               $text = load_doc_file('doc/' . $a->argv[1] . '.md');
-               $a->page['title'] = t('Help:') . ' ' . str_replace('-',' ',notags($a->argv[1]));
+       if ($a->argc > 1) {
+               $path = '';
+               // looping through the argv keys bigger than 0 to build
+               // a path relative to /help
+               for($x = 1; $x < argc(); $x ++) {
+                       if(strlen($path))
+                               $path .= '/';
+                       $path .= argv($x);
+               }
+               $title = basename($path);
+               $filename = $path;
+               $text = load_doc_file('doc/' . $path . '.md');
+               $a->page['title'] = t('Help:') . ' ' . str_replace('-', ' ', notags($title));
        }
-       if(! $text) {
-               $text = load_doc_file('doc/Home.md');
+       $home = load_doc_file('doc/Home.md');
+       if (!$text) {
+               $text = $home;
+               $filename = "Home";
                $a->page['title'] = t('Help');
+       } else {
+               $a->page['aside'] = Markdown($home);
        }
-       
-       if(! strlen($text)) {
+
+       if (!strlen($text)) {
                header($_SERVER["SERVER_PROTOCOL"] . ' 404 ' . t('Not Found'));
                $tpl = get_markup_template("404.tpl");
                return replace_macros($tpl, array(
-                       '$message' =>  t('Page not found.' )
-               ));
+                                       '$message' => t('Page not found.')
+                               ));
        }
-       
-       return Markdown($text);
+
+       $html = Markdown($text);
+
+       if ($filename !== "Home") {
+               // create TOC but not for home
+               $lines = explode("\n", $html);
+               $toc="<style>aside ul {padding-left: 1em;}aside h1{font-size:2em}</style><h2>TOC</h2><ul id='toc'>";
+               $lastlevel=1;
+               $idnum = array(0,0,0,0,0,0,0);
+               foreach($lines as &$line){
+                       if (substr($line,0,2)=="<h") {
+                               $level = substr($line,2,1);
+                               if ($level!="r") {
+                                       $level = intval($level);
+                                       if ($level<$lastlevel) {
+                                               for($k=$level;$k<$lastlevel; $k++) $toc.="</ul>";
+                                               for($k=$level+1;$k<count($idnum);$k++) $idnum[$k]=0;
+                                       }
+                                       if ($level>$lastlevel) $toc.="<ul>";
+                                       $idnum[$level]++;
+                                       $id = implode("_", array_slice($idnum,1,$level));
+                                       $href = $a->get_baseurl()."/help/{$filename}#{$id}";
+                                       $toc .= "<li><a href='{$href}'>".strip_tags($line)."</a></li>";
+                                       $line = "<a name='{$id}'></a>".$line;
+                                       $lastlevel = $level;
+                               }
+                       }
+               }
+               for($k=0;$k<$lastlevel; $k++) $toc.="</ul>";
+               $html = implode("\n",$lines);
+
+               $a->page['aside'] = $toc.$a->page['aside'];
+       }
+
+       $html = "
+               <style>
+               .md_warning {
+                       padding: 1em; border: #ff0000 solid 2px;
+                       background-color: #f9a3a3; color: #ffffff;
+               }
+               </style>".$html;
+       return $html;
 
 }