template.php

<?PHP
/* Copyright 2010, Lime Technology LLC.
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 */
?>
<?php
// Helper functions
function my_scale($val, &$units, $precision = 2) {
  $unit = array('','KB','MB','GB','TB','PB','EB');
  $i = floor(log($val, 1000));
  $units = $unit[$i];
  return @round($val / pow(1000, $i), $precision);
}
function my_time($time, $fmt = "%c %Z") {
    echo strftime( $fmt, $time);
}
function my_temp($val) {
  echo "{$val}";
  if ($val != "*")
    echo "&deg;C";
}
function mk_option($val, $value, $text, $extra = "") {
  echo "<option value='{$value}'";
  if ($val == $value)
    echo " selected=yes";
  if (strlen($extra))
    echo " {$extra}";
  echo ">{$text}</option>";
}

function help_link($text, $link = "") {
  global $page;
  if ($link == "") $link = $text;
  $href = "javascript:openHelp('$page[Plugin]/$link');";
  return "<a href=\"{$href}\">{$text}</a>";
}
function title_link() {
  global $page;
  $link = array_key_exists('Help', $page) ? $page['Help'] : $page['Title'];
  return help_link($page['Title'], $link);
}
function urlencode_path($path) {
  return str_replace("%2F", "/", urlencode($path));
}

// Return sorted set of pages on the indicated menu.
function find_pages( $menu) {
  global $page_array;
  $pages = array();
  foreach ($page_array as $page) {
    $tok = strtok( $page['Menu'], " ");
    while ($tok !== false) {
      $delim = strpos( $tok, ":");
      if ($delim) {
	$t = substr( $tok, 0, $delim);
	if ($t == $menu) {
          $key = substr( $tok, $delim+1) . $page['Name'];
          $pages[$key] = $page;
	  break;
	}
      }
      else {
	if ($tok == $menu) {
	  $pages[$page['Name']] = $page;
	  break;
	}
      }
      $tok = strtok( " ");
    }
  }
  ksort( $pages);
  return $pages;
}

// Suppose we want to render the page "http://tower/Main/Disk?name=disk1"
// emhttp calls 'popen(cmdline)' where cmdline is:

//  "cd /usr/local/emhttp; /usr/bin/php plugins/webGui/template.php name=disk1&path=Main/Disk"
//                                      argv[0]                     argv[1]

// The output of popen() (ie, the output generated by template.php) is written to
// the http socket (after http headers have been output).

// Here's the document root of the webGui plugin
$root = '/'.dirname( $argv[0]);

// Parse the 'querystring'
// variables provided by emhttp:
//   path=<path>   page path, e.g., path=Main/Disk
//   prev=<path>   prev path, e.g., prev=Main (used to deterine if page was refreshed)
parse_str($argv[1]);

// The current "task" is the first element of the path
$task = strtok( $path, "/");
$page = null;

// Read emhttp status
$var = parse_ini_file( "/var/local/emhttp/var.ini");
$sec = parse_ini_file( "/var/local/emhttp/sec.ini", TRUE);
$devs = parse_ini_file( "/var/local/emhttp/devs.ini", TRUE);
$disks = parse_ini_file( "/var/local/emhttp/disks.ini", TRUE);
$users = parse_ini_file( "/var/local/emhttp/users.ini", TRUE);
$shares = parse_ini_file( "/var/local/emhttp/shares.ini", TRUE);
$sec_nfs = parse_ini_file( "/var/local/emhttp/sec_nfs.ini", TRUE);
$sec_afp = parse_ini_file( "/var/local/emhttp/sec_afp.ini", TRUE);

// Build the pages
$page_array = array();
foreach (glob( "plugins/*/*.page", GLOB_NOSORT) as $entry) {
  $page = parse_ini_file( $entry);
  $page['Name'] = basename( $entry, ".page");
  $page['Root'] = dirname( $entry);
  $page['Plugin'] = basename( $page['Root']);

  // assign defaults
  if (strlen($page['Author']) == 0)
    $page['Author'] = "anonymous";
  if (strlen($page['Version']) == 0)
    $page['Version'] = "unknown";
  if (strlen($page['Title']) == 0)
    $page['Title'] = $page['Name'];
  if (strlen($page['Type']) == 0)
    $page['Type'] = "echo 'Not much here.'";

  if (strlen($page['Icon']) == 0)
    $page['Icon'] = "{$root}/images/default.png";
  else
    $page['Icon'] = "{$page['Root']}/{$page['Icon']}";

  if (!array_key_exists( 'Menu', $page))
    $page['Menu'] = "";

  // handle conditional inclusion on menus
  if (array_key_exists( 'Cond', $page)) {
    eval( "\$enabled=$page[Cond];");
    if (!$enabled)
      $page['Menu'] = "";
  }

  // add to page_array
  $page_array[$page['Name']] = $page;
}

// Here's the page we're rendering
$myPage = $page_array[basename($path)];

// Gittyup
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">
<head>
<link rel="shortcut icon" href="<?=$root;?>/style/<?=$var['mdColor'];?>.gif" type="image/gif">
<title><?=$var['NAME'];?>/<?=$myPage['Name'];?></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="/plugins/webGui/style/template.css">

<script type="text/javascript">
function refresh() {
  // disable all form elements on the page
  for (var i=0; i<top.window.document.forms.length; i++) {
    var x = top.window.document.forms[i];
    for(var j=0; j<x.length; j++){
      x.elements[j].disabled = true;
    }
  }
  // disable all links on the page
  for (var i=0; i<top.window.document.links.length; i++) {
    var x = top.window.document.links[i];
    // no cross-browser way to disable link, so just turn it gray :)
    x.style.color="gray";
  }
  // reload the page
  window.location=window.location;
}
function done() {
  var path=window.location.pathname;
  var x=path.indexOf("/",1);
  if (x != -1)
    path=path.substring(0,x);
  window.location.replace(path);
}
function chkDelete( form, button) {
  if (form.confirmDelete.checked)
    button.value='Delete';
  else
    button.value='Apply';
}
function openWindow( url, name) {
  var width=((screen.width*2)/3)|0;
  var height=((screen.height*2)/3)|0;
  var features="resizeable=yes,scrollbars=yes,width=" + width + ",height=" + height;
  var myWindow=window.open(url, name, features);
  myWindow.focus();
  return myWindow;
}
function openHelp( topic) {
  var url="http://lime-technology.com/wiki/index.php?title=Plugin/" + topic.replace(/ /g, "_");
  openWindow( url, "unRaidHelp");
}
function openLog( title) {
  var url="/update.htm?cmd=/usr/bin/tail -f /var/log/syslog&forkCmd=Start";
  var myWindow=openWindow( url, "unRaidLog");
  myWindow.document.title = title;
  return myWindow;
}
</script>
</head>

<body>

   <div class="Container">
      <div class="Header">
         <div class="Banner">
            <div class="BannerLogo">
	       <a href="http://lime-technology.com"><img src="/plugins/webGui/images/logo.png"</img></a>
	    </div>
            <div class="BannerTitle">
	       <p><?=$var['NAME'];?><br><?=$var['COMMENT'];?></p>
	    </div>
            <div class="BannerText">
               <p>unRAID Server <em><?=$var['regTy'];?></em>&nbsp;<br>version: <?=$var['version'];?>&nbsp;</p>
            </div>
         </div>

         <div class="TaskBar">
<?          $pages = find_pages( "Tasks"); ?>
<?          foreach ($pages as $page): ?>
<?             $link="/{$page['Name']}"; ?>
<?             if ($page['Name']==$task): ?>
                  <div class="tab_al"></div>
                  <div class="tab_active"><a href="<?=$link;?>"><?=$page['Name'];?></a></div>
                  <div class="tab_ar"></div>
<?             else: ?>
                  <div class="tab_il"></div>
                  <div class="tab_inactive"><a href="<?=$link;?>"><?=$page['Name'];?></a></div>
                  <div class="tab_ir"></div>
<?             endif; ?>
<?          endforeach; ?>
            <div class="Buttons">
	       <button type="button" onClick="javascript:openLog('<?=$var[NAME];?> system log');">Log</button>
            </div>
         </div>
      </div>

      <div class="Content">

<?       if ($myPage['Type'] == "xmenu"): ?>
<?          $pages = find_pages( $myPage['Name']); ?>
<?       else: ?>
<?          $pages = array(); ?>
<?          $pages[$myPage['Name']] = $myPage; ?>
<?       endif; ?>

<?       foreach($pages as $page): ?>
<?          eval("\$page[Title]=\"$page[Title]\";"); ?>
            <p class="ContentTitle"><?=title_link();?></p>
            <hr>
<?          if ($page['Type'] == "menu"): ?>
               <div class="PanelSet">
<?             $pgs = find_pages( $page['Name']); ?>
<?             foreach($pgs as $pg): ?>
<?                $link="{$path}/{$pg['Name']}"; ?>
                  <div class="Panel">
                     <a href="<?=$link;?>">
                     <img class="PanelImg" src="<?=$pg['Icon'];?>" title="<?=$pg['Title'];?>" alt="<?=$pg['Title'];?>"</img>
                     <div class="PanelText"><a class="PanelText" href="<?=$link;?>"><?=$pg['Title'];?></a></div>
                     </a>
                  </div>
<?             endforeach; ?>
               </div>
<?          elseif ($page['Type'] == "php"): ?>
<?             include "{$page['Root']}/{$page['Name']}.php"; ?>
<?          else: ?>
<?             passthru( $page['Type']); ?>
<?          endif; ?>
<?       endforeach; ?>

      </div>

      <iframe id="progressFrame" name="progressFrame" frameborder="0"></iframe>

      <div class="Footer">
         <div style="float:right;">Page author: <?=$myPage['Author'];?>, version: <?=$myPage['Version'];?>&nbsp;</div>
         <div>&nbsp;unRAID&#8482; webGui &copy;2010-2011 Lime Technology LLC</div>
      </div>

   </div>

</body>
</html>