src/help.php

   1 <?php
   2    /**
   3     **  help.php
   4     **
   5     **  Copyright (c) 1999-2000 The SquirrelMail development team
   6     **  Licensed under the GNU GPL. For full terms see the file COPYING.
   7     **
   8     **  Displays help for the user
   9     **
  10     **/
  11
  12    session_start();
  13
  14    if (!isset($config_php))
  15       include("../config/config.php");
  16    if (!isset($strings_php))
  17       include("../functions/strings.php");
  18    if (!isset($page_header_php))
  19       include("../functions/page_header.php");
  20    if (!isset($display_messages_php))
  21       include("../functions/display_messages.php");
  22    if (!isset($imap_php))
  23       include("../functions/imap.php");
  24    if (!isset($array_php))
  25       include("../functions/array.php");
  26    if (!isset($i18n_php))
  27       include("../functions/i18n.php");
  28    if (!isset($auth_php))
  29       include ("../functions/auth.php");
  30
  31    include("../src/load_prefs.php");
  32    displayPageHeader($color, "None");
  33    is_logged_in();
  34
  35         $helpdir[0] = "basic.hlp";
  36         $helpdir[1] = "main_folder.hlp";
  37         $helpdir[2] = "read_mail.hlp";
  38         $helpdir[3] = "compose.hlp";
  39         $helpdir[4] = "addresses.hlp";
  40         $helpdir[5] = "folders.hlp";
  41         $helpdir[6] = "options.hlp";
  42         $helpdir[7] = "FAQ.hlp";
  43
  44    /****************[ HELP FUNCTIONS ]********************/
  45    // parses through and gets the information from the different documents.
  46    // this returns one section at a time.  You must keep track of the position
  47    // so that it knows where to start to look for the next section.
  48
  49    function get_info($doc, $pos) {
  50       for ($n=$pos; $n < count($doc); $n++) {
  51          if (trim(strtolower($doc[$n])) == "<chapter>" || trim(strtolower($doc[$n])) == "<section>") {
  52             for ($n++;$n < count($doc) && (trim(strtolower($doc[$n])) != "</section>") && (trim(strtolower($doc[$n])) != "</chapter>"); $n++) {
  53                if (trim(strtolower($doc[$n])) == "<title>") {
  54                   $n++;
  55                   $ary[0] = trim($doc[$n]);
  56                }
  57                if (trim(strtolower($doc[$n])) == "<description>") {
  58                   for ($n++;$n < count($doc) && (trim(strtolower($doc[$n])) != "</description>"); $n++) {
  59                      $ary[1] .= $doc[$n];
  60                   }
  61                }
  62                if (trim(strtolower($doc[$n])) == "<summary>") {
  63                   for ($n++;$n < count($doc) && (trim(strtolower($doc[$n])) != "</summary>"); $n++) {
  64                      $ary[2] .= $doc[$n];
  65                   }
  66                }
  67             }
  68             if ($ary) {
  69                $ary[3] = $n;
  70                return $ary;
  71             } else {
  72                $ary[0] = "ERROR: Help files are not in the right format!";
  73                $ary[1] = "ERROR: Help files are not in the right format!";
  74                $ary[2] = "ERROR: Help files are not in the right format!";
  75                return $ary;
  76             }
  77          }
  78       }
  79       $ary[0] = "ERROR: Help files are not in the right format!";
  80       $ary[1] = "ERROR: Help files are not in the right format!";
  81       return $ary;
  82    }
  83
  84    /**************[ END HELP FUNCTIONS ]******************/
  85
  86 ?>
  87
  88 <br>
  89 <table width=95% align=center cellpadding=2 cellspacing=2 border=0>
  90 <tr><td bgcolor="<?php echo $color[0] ?>">
  91    <center><b><?php echo _("Help") ?></b></center>
  92 </td></tr></table>
  93
  94 <? do_hook("help_top") ?>
  95
  96 <table width=90% cellpadding=0 cellspacing=10 border=0 align=center><tr><td>
  97 <?php
  98    if ($HTTP_REFERER) {
  99       $ref = strtolower($HTTP_REFERER);
 100       if (strpos($ref, "src/compose"))
 101          $context = "compose";
 102       else if (strpos($ref, "src/addr"))
 103          $context = "address";
 104       else if (strpos($ref, "src/folders"))
 105          $context = "folders";
 106       else if (strpos($ref, "src/options"))
 107          $context = "options";
 108       else if (strpos($ref, "src/right_main"))
 109          $context = "index";
 110       else if (strpos($ref, "src/read_body"))
 111          $context = "read";
 112    }
 113
 114    if (file_exists("../help/$squirrelmail_language")) {
 115       $help_exists = true;
 116       $user_language = $squirrelmail_language;
 117    } else if (file_exists("../help/en")) {
 118       $help_exists = true;
 119       echo "<center><font color=\"$color[2]\">";
 120       printf (_("The help has not been translated to %s.  It will be displayed in English instead."), $languages[$squirrelmail_language]["NAME"]);
 121       echo "</font></center><br>";
 122       $user_language = "en";
 123    } else {
 124       $help_exists = false;
 125       echo "<br><center><font color=\"$color[2]\">";
 126       echo _("Some or all of the help documents are not present!");
 127       echo "</font></center>";
 128       echo "</td></tr></table>";
 129       exit;
 130    }
 131
 132    if ($help_exists) {
 133       if ($context == "compose")
 134          $chapter = 4;
 135       else if ($context == "address")
 136          $chapter = 5;
 137       else if ($context == "folders")
 138          $chapter = 6;
 139       else if ($context == "options")
 140          $chapter = 7;
 141       else if ($context == "index")
 142          $chapter = 2;
 143       else if ($context == "read")
 144          $chapter = 3;
 145
 146       if (!$chapter) {
 147          echo "<table cellpadding=0 cellspacing=0 border=0 align=center><tr><td>\n";
 148          echo "<b><center>" . _("Table of Contents") . "</center></b><br>";
 149          do_hook("help_chapter");
 150          echo "<ol>\n";
 151          for ($i=0; $i < count($helpdir); $i++) {
 152             $doc = file("../help/$user_language/$helpdir[$i]");
 153             $help_info = get_info($doc, 0);
 154             echo "<li><a href=\"../src/help.php?chapter=". ($i+1) ."\">$help_info[0]</a>\n";
 155             echo "<ul>$help_info[2]</ul>";
 156          }
 157          echo "</ol>\n";
 158          echo "</td></tr></table>\n";
 159       } else {
 160          $doc = file("../help/$user_language/".$helpdir[$chapter-1]);
 161          $help_info = get_info($doc, 0);
 162
 163          echo "<small><center>";
 164
 165          if ($chapter <= 1) echo "<font color=\"$color[9]\">Previous</font> | ";
 166          else echo "<a href=\"../src/help.php?chapter=".($chapter-1)."\">Previous</a> | ";
 167          echo "<a href=\"../src/help.php\">Table of Contents</a>";
 168          if ($chapter >= count($helpdir)) echo " | <font color=\"$color[9]\">Next</font>";
 169          else echo " | <a href=\"../src/help.php?chapter=".($chapter+1)."\">Next</a>";
 170          echo "</center></small><br>\n";
 171
 172          echo "<font size=5><b>$chapter - $help_info[0]</b></font><br><br>\n";
 173          if ($help_info[1])
 174             echo "$help_info[1]";
 175          else
 176             echo "<p>$help_info[2]</p>";
 177
 178          for ($n = $help_info[3]; $n < count($doc); $n++) {
 179             $section++;
 180             $help_info = get_info($doc, $n);
 181             echo "<b>$chapter.$section - $help_info[0]</b>";
 182             echo "<ul>";
 183             echo "$help_info[1]";
 184             echo "</ul>";
 185             $n = $help_info[3];
 186          }
 187
 188          echo "<br><center><a href=\"#pagetop\">" . _("Top") . "</a></center>";
 189       }
 190    }
 191    do_hook("help_bottom");
 192 ?>
 193 <tr><td bgcolor="<?php echo $color[0] ?>">&nbsp;</td></tr></table>
 194 <td></tr></table>
 195 </body></html>